diff options
349 files changed, 4366 insertions, 3079 deletions
diff --git a/Documentation/ABI/stable/sysfs-bus-usb b/Documentation/ABI/stable/sysfs-bus-usb index 2be603c52a24..a6b685724740 100644 --- a/Documentation/ABI/stable/sysfs-bus-usb +++ b/Documentation/ABI/stable/sysfs-bus-usb @@ -37,8 +37,8 @@ Description: that the USB device has been connected to the machine. This file is read-only. Users: - PowerTOP <power@bughost.org> - http://www.lesswatts.org/projects/powertop/ + PowerTOP <powertop@lists.01.org> + https://01.org/powertop/ What: /sys/bus/usb/device/.../power/active_duration Date: January 2008 @@ -57,8 +57,8 @@ Description: will give an integer percentage. Note that this does not account for counter wrap. Users: - PowerTOP <power@bughost.org> - http://www.lesswatts.org/projects/powertop/ + PowerTOP <powertop@lists.01.org> + https://01.org/powertop/ What: /sys/bus/usb/devices/<busnum>-<port[.port]>...:<config num>-<interface num>/supports_autosuspend Date: January 2008 diff --git a/Documentation/ABI/testing/sysfs-devices-power b/Documentation/ABI/testing/sysfs-devices-power index 9d43e7670841..efe449bdf811 100644 --- a/Documentation/ABI/testing/sysfs-devices-power +++ b/Documentation/ABI/testing/sysfs-devices-power @@ -1,6 +1,6 @@ What: /sys/devices/.../power/ Date: January 2009 -Contact: Rafael J. Wysocki <rjw@sisk.pl> +Contact: Rafael J. Wysocki <rjw@rjwysocki.net> Description: The /sys/devices/.../power directory contains attributes allowing the user space to check and modify some power @@ -8,7 +8,7 @@ Description: What: /sys/devices/.../power/wakeup Date: January 2009 -Contact: Rafael J. Wysocki <rjw@sisk.pl> +Contact: Rafael J. Wysocki <rjw@rjwysocki.net> Description: The /sys/devices/.../power/wakeup attribute allows the user space to check if the device is enabled to wake up the system @@ -34,7 +34,7 @@ Description: What: /sys/devices/.../power/control Date: January 2009 -Contact: Rafael J. Wysocki <rjw@sisk.pl> +Contact: Rafael J. Wysocki <rjw@rjwysocki.net> Description: The /sys/devices/.../power/control attribute allows the user space to control the run-time power management of the device. @@ -53,7 +53,7 @@ Description: What: /sys/devices/.../power/async Date: January 2009 -Contact: Rafael J. Wysocki <rjw@sisk.pl> +Contact: Rafael J. Wysocki <rjw@rjwysocki.net> Description: The /sys/devices/.../async attribute allows the user space to enable or diasble the device's suspend and resume callbacks to @@ -79,7 +79,7 @@ Description: What: /sys/devices/.../power/wakeup_count Date: September 2010 -Contact: Rafael J. Wysocki <rjw@sisk.pl> +Contact: Rafael J. Wysocki <rjw@rjwysocki.net> Description: The /sys/devices/.../wakeup_count attribute contains the number of signaled wakeup events associated with the device. This @@ -88,7 +88,7 @@ Description: What: /sys/devices/.../power/wakeup_active_count Date: September 2010 -Contact: Rafael J. Wysocki <rjw@sisk.pl> +Contact: Rafael J. Wysocki <rjw@rjwysocki.net> Description: The /sys/devices/.../wakeup_active_count attribute contains the number of times the processing of wakeup events associated with @@ -98,7 +98,7 @@ Description: What: /sys/devices/.../power/wakeup_abort_count Date: February 2012 -Contact: Rafael J. Wysocki <rjw@sisk.pl> +Contact: Rafael J. Wysocki <rjw@rjwysocki.net> Description: The /sys/devices/.../wakeup_abort_count attribute contains the number of times the processing of a wakeup event associated with @@ -109,7 +109,7 @@ Description: What: /sys/devices/.../power/wakeup_expire_count Date: February 2012 -Contact: Rafael J. Wysocki <rjw@sisk.pl> +Contact: Rafael J. Wysocki <rjw@rjwysocki.net> Description: The /sys/devices/.../wakeup_expire_count attribute contains the number of times a wakeup event associated with the device has @@ -119,7 +119,7 @@ Description: What: /sys/devices/.../power/wakeup_active Date: September 2010 -Contact: Rafael J. Wysocki <rjw@sisk.pl> +Contact: Rafael J. Wysocki <rjw@rjwysocki.net> Description: The /sys/devices/.../wakeup_active attribute contains either 1, or 0, depending on whether or not a wakeup event associated with @@ -129,7 +129,7 @@ Description: What: /sys/devices/.../power/wakeup_total_time_ms Date: September 2010 -Contact: Rafael J. Wysocki <rjw@sisk.pl> +Contact: Rafael J. Wysocki <rjw@rjwysocki.net> Description: The /sys/devices/.../wakeup_total_time_ms attribute contains the total time of processing wakeup events associated with the @@ -139,7 +139,7 @@ Description: What: /sys/devices/.../power/wakeup_max_time_ms Date: September 2010 -Contact: Rafael J. Wysocki <rjw@sisk.pl> +Contact: Rafael J. Wysocki <rjw@rjwysocki.net> Description: The /sys/devices/.../wakeup_max_time_ms attribute contains the maximum time of processing a single wakeup event associated @@ -149,7 +149,7 @@ Description: What: /sys/devices/.../power/wakeup_last_time_ms Date: September 2010 -Contact: Rafael J. Wysocki <rjw@sisk.pl> +Contact: Rafael J. Wysocki <rjw@rjwysocki.net> Description: The /sys/devices/.../wakeup_last_time_ms attribute contains the value of the monotonic clock corresponding to the time of @@ -160,7 +160,7 @@ Description: What: /sys/devices/.../power/wakeup_prevent_sleep_time_ms Date: February 2012 -Contact: Rafael J. Wysocki <rjw@sisk.pl> +Contact: Rafael J. Wysocki <rjw@rjwysocki.net> Description: The /sys/devices/.../wakeup_prevent_sleep_time_ms attribute contains the total time the device has been preventing @@ -189,7 +189,7 @@ Description: What: /sys/devices/.../power/pm_qos_latency_us Date: March 2012 -Contact: Rafael J. Wysocki <rjw@sisk.pl> +Contact: Rafael J. Wysocki <rjw@rjwysocki.net> Description: The /sys/devices/.../power/pm_qos_resume_latency_us attribute contains the PM QoS resume latency limit for the given device, @@ -207,7 +207,7 @@ Description: What: /sys/devices/.../power/pm_qos_no_power_off Date: September 2012 -Contact: Rafael J. Wysocki <rjw@sisk.pl> +Contact: Rafael J. Wysocki <rjw@rjwysocki.net> Description: The /sys/devices/.../power/pm_qos_no_power_off attribute is used for manipulating the PM QoS "no power off" flag. If @@ -222,7 +222,7 @@ Description: What: /sys/devices/.../power/pm_qos_remote_wakeup Date: September 2012 -Contact: Rafael J. Wysocki <rjw@sisk.pl> +Contact: Rafael J. Wysocki <rjw@rjwysocki.net> Description: The /sys/devices/.../power/pm_qos_remote_wakeup attribute is used for manipulating the PM QoS "remote wakeup required" diff --git a/Documentation/ABI/testing/sysfs-power b/Documentation/ABI/testing/sysfs-power index 217772615d02..205a73878441 100644 --- a/Documentation/ABI/testing/sysfs-power +++ b/Documentation/ABI/testing/sysfs-power @@ -1,6 +1,6 @@ What: /sys/power/ Date: August 2006 -Contact: Rafael J. Wysocki <rjw@sisk.pl> +Contact: Rafael J. Wysocki <rjw@rjwysocki.net> Description: The /sys/power directory will contain files that will provide a unified interface to the power management @@ -8,7 +8,7 @@ Description: What: /sys/power/state Date: August 2006 -Contact: Rafael J. Wysocki <rjw@sisk.pl> +Contact: Rafael J. Wysocki <rjw@rjwysocki.net> Description: The /sys/power/state file controls the system power state. Reading from this file returns what states are supported, @@ -22,7 +22,7 @@ Description: What: /sys/power/disk Date: September 2006 -Contact: Rafael J. Wysocki <rjw@sisk.pl> +Contact: Rafael J. Wysocki <rjw@rjwysocki.net> Description: The /sys/power/disk file controls the operating mode of the suspend-to-disk mechanism. Reading from this file returns @@ -67,7 +67,7 @@ Description: What: /sys/power/image_size Date: August 2006 -Contact: Rafael J. Wysocki <rjw@sisk.pl> +Contact: Rafael J. Wysocki <rjw@rjwysocki.net> Description: The /sys/power/image_size file controls the size of the image created by the suspend-to-disk mechanism. It can be written a @@ -84,7 +84,7 @@ Description: What: /sys/power/pm_trace Date: August 2006 -Contact: Rafael J. Wysocki <rjw@sisk.pl> +Contact: Rafael J. Wysocki <rjw@rjwysocki.net> Description: The /sys/power/pm_trace file controls the code which saves the last PM event point in the RTC across reboots, so that you can @@ -133,7 +133,7 @@ Description: What: /sys/power/pm_async Date: January 2009 -Contact: Rafael J. Wysocki <rjw@sisk.pl> +Contact: Rafael J. Wysocki <rjw@rjwysocki.net> Description: The /sys/power/pm_async file controls the switch allowing the user space to enable or disable asynchronous suspend and resume @@ -146,7 +146,7 @@ Description: What: /sys/power/wakeup_count Date: July 2010 -Contact: Rafael J. Wysocki <rjw@sisk.pl> +Contact: Rafael J. Wysocki <rjw@rjwysocki.net> Description: The /sys/power/wakeup_count file allows user space to put the system into a sleep state while taking into account the @@ -161,7 +161,7 @@ Description: What: /sys/power/reserved_size Date: May 2011 -Contact: Rafael J. Wysocki <rjw@sisk.pl> +Contact: Rafael J. Wysocki <rjw@rjwysocki.net> Description: The /sys/power/reserved_size file allows user space to control the amount of memory reserved for allocations made by device @@ -175,7 +175,7 @@ Description: What: /sys/power/autosleep Date: April 2012 -Contact: Rafael J. Wysocki <rjw@sisk.pl> +Contact: Rafael J. Wysocki <rjw@rjwysocki.net> Description: The /sys/power/autosleep file can be written one of the strings returned by reads from /sys/power/state. If that happens, a @@ -192,7 +192,7 @@ Description: What: /sys/power/wake_lock Date: February 2012 -Contact: Rafael J. Wysocki <rjw@sisk.pl> +Contact: Rafael J. Wysocki <rjw@rjwysocki.net> Description: The /sys/power/wake_lock file allows user space to create wakeup source objects and activate them on demand (if one of @@ -219,7 +219,7 @@ Description: What: /sys/power/wake_unlock Date: February 2012 -Contact: Rafael J. Wysocki <rjw@sisk.pl> +Contact: Rafael J. Wysocki <rjw@rjwysocki.net> Description: The /sys/power/wake_unlock file allows user space to deactivate wakeup sources created with the help of /sys/power/wake_lock. diff --git a/Documentation/acpi/dsdt-override.txt b/Documentation/acpi/dsdt-override.txt index febbb1ba4d23..784841caa6e6 100644 --- a/Documentation/acpi/dsdt-override.txt +++ b/Documentation/acpi/dsdt-override.txt @@ -4,4 +4,4 @@ CONFIG_ACPI_CUSTOM_DSDT builds the image into the kernel. When to use this method is described in detail on the Linux/ACPI home page: -http://www.lesswatts.org/projects/acpi/overridingDSDT.php +https://01.org/linux-acpi/documentation/overriding-dsdt diff --git a/Documentation/devicetree/bindings/memory.txt b/Documentation/devicetree/bindings/memory.txt deleted file mode 100644 index eb2469365593..000000000000 --- a/Documentation/devicetree/bindings/memory.txt +++ /dev/null @@ -1,168 +0,0 @@ -*** Memory binding *** - -The /memory node provides basic information about the address and size -of the physical memory. This node is usually filled or updated by the -bootloader, depending on the actual memory configuration of the given -hardware. - -The memory layout is described by the following node: - -/ { - #address-cells = <(n)>; - #size-cells = <(m)>; - memory { - device_type = "memory"; - reg = <(baseaddr1) (size1) - (baseaddr2) (size2) - ... - (baseaddrN) (sizeN)>; - }; - ... -}; - -A memory node follows the typical device tree rules for "reg" property: -n: number of cells used to store base address value -m: number of cells used to store size value -baseaddrX: defines a base address of the defined memory bank -sizeX: the size of the defined memory bank - - -More than one memory bank can be defined. - - -*** Reserved memory regions *** - -In /memory/reserved-memory node one can create child nodes describing -particular reserved (excluded from normal use) memory regions. Such -memory regions are usually designed for the special usage by various -device drivers. A good example are contiguous memory allocations or -memory sharing with other operating system on the same hardware board. -Those special memory regions might depend on the board configuration and -devices used on the target system. - -Parameters for each memory region can be encoded into the device tree -with the following convention: - -[(label):] (name) { - compatible = "linux,contiguous-memory-region", "reserved-memory-region"; - reg = <(address) (size)>; - (linux,default-contiguous-region); -}; - -compatible: one or more of: - - "linux,contiguous-memory-region" - enables binding of this - region to Contiguous Memory Allocator (special region for - contiguous memory allocations, shared with movable system - memory, Linux kernel-specific). - - "reserved-memory-region" - compatibility is defined, given - region is assigned for exclusive usage for by the respective - devices. - -reg: standard property defining the base address and size of - the memory region - -linux,default-contiguous-region: property indicating that the region - is the default region for all contiguous memory - allocations, Linux specific (optional) - -It is optional to specify the base address, so if one wants to use -autoconfiguration of the base address, '0' can be specified as a base -address in the 'reg' property. - -The /memory/reserved-memory node must contain the same #address-cells -and #size-cells value as the root node. - - -*** Device node's properties *** - -Once regions in the /memory/reserved-memory node have been defined, they -may be referenced by other device nodes. Bindings that wish to reference -memory regions should explicitly document their use of the following -property: - -memory-region = <&phandle_to_defined_region>; - -This property indicates that the device driver should use the memory -region pointed by the given phandle. - - -*** Example *** - -This example defines a memory consisting of 4 memory banks. 3 contiguous -regions are defined for Linux kernel, one default of all device drivers -(named contig_mem, placed at 0x72000000, 64MiB), one dedicated to the -framebuffer device (labelled display_mem, placed at 0x78000000, 8MiB) -and one for multimedia processing (labelled multimedia_mem, placed at -0x77000000, 64MiB). 'display_mem' region is then assigned to fb@12300000 -device for DMA memory allocations (Linux kernel drivers will use CMA is -available or dma-exclusive usage otherwise). 'multimedia_mem' is -assigned to scaler@12500000 and codec@12600000 devices for contiguous -memory allocations when CMA driver is enabled. - -The reason for creating a separate region for framebuffer device is to -match the framebuffer base address to the one configured by bootloader, -so once Linux kernel drivers starts no glitches on the displayed boot -logo appears. Scaller and codec drivers should share the memory -allocations. - -/ { - #address-cells = <1>; - #size-cells = <1>; - - /* ... */ - - memory { - reg = <0x40000000 0x10000000 - 0x50000000 0x10000000 - 0x60000000 0x10000000 - 0x70000000 0x10000000>; - - reserved-memory { - #address-cells = <1>; - #size-cells = <1>; - - /* - * global autoconfigured region for contiguous allocations - * (used only with Contiguous Memory Allocator) - */ - contig_region@0 { - compatible = "linux,contiguous-memory-region"; - reg = <0x0 0x4000000>; - linux,default-contiguous-region; - }; - - /* - * special region for framebuffer - */ - display_region: region@78000000 { - compatible = "linux,contiguous-memory-region", "reserved-memory-region"; - reg = <0x78000000 0x800000>; - }; - - /* - * special region for multimedia processing devices - */ - multimedia_region: region@77000000 { - compatible = "linux,contiguous-memory-region"; - reg = <0x77000000 0x4000000>; - }; - }; - }; - - /* ... */ - - fb0: fb@12300000 { - status = "okay"; - memory-region = <&display_region>; - }; - - scaler: scaler@12500000 { - status = "okay"; - memory-region = <&multimedia_region>; - }; - - codec: codec@12600000 { - status = "okay"; - memory-region = <&multimedia_region>; - }; -}; diff --git a/Documentation/devicetree/bindings/regulator/as3722-regulator.txt b/Documentation/devicetree/bindings/regulator/as3722-regulator.txt new file mode 100644 index 000000000000..caad0c8a258d --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/as3722-regulator.txt @@ -0,0 +1,91 @@ +Regulator of AMS AS3722 PMIC. +Name of the regulator subnode must be "regulators". + +Optional properties: +-------------------- +The input supply of regulators are the optional properties on the +regulator node. The AS3722 is having 7 DCDC step-down regulators as +sd[0-6], 10 LDOs as ldo[0-7], ldo[9-11]. The input supply of these +regulators are provided through following properties: +vsup-sd2-supply: Input supply for SD2. +vsup-sd3-supply: Input supply for SD3. +vsup-sd4-supply: Input supply for SD4. +vsup-sd5-supply: Input supply for SD5. +vin-ldo0-supply: Input supply for LDO0. +vin-ldo1-6-supply: Input supply for LDO1 and LDO6. +vin-ldo2-5-7-supply: Input supply for LDO2, LDO5 and LDO7. +vin-ldo3-4-supply: Input supply for LDO3 and LDO4. +vin-ldo9-10-supply: Input supply for LDO9 and LDO10. +vin-ldo11-supply: Input supply for LDO11. + +Optional nodes: +-------------- +- regulators : Must contain a sub-node per regulator from the list below. + Each sub-node should contain the constraints and initialization + information for that regulator. See regulator.txt for a + description of standard properties for these sub-nodes. + Additional custom properties are listed below. + sd[0-6], ldo[0-7], ldo[9-11]. + + Optional sub-node properties: + ---------------------------- + ams,ext-control: External control of the rail. The option of + this properties will tell which external input is + controlling this rail. Valid values are 0, 1, 2 ad 3. + 0: There is no external control of this rail. + 1: Rail is controlled by ENABLE1 input pin. + 2: Rail is controlled by ENABLE2 input pin. + 3: Rail is controlled by ENABLE3 input pin. + ams,enable-tracking: Enable tracking with SD1, only supported + by LDO3. + +Example: +------- + ams3722: ams3722 { + compatible = "ams,as3722"; + reg = <0x40>; + ... + + regulators { + vsup-sd2-supply = <...>; + ... + + sd0 { + regulator-name = "vdd_cpu"; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <1400000>; + regulator-always-on; + ams,ext-control = <2>; + }; + + sd1 { + regulator-name = "vdd_core"; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <1400000>; + regulator-always-on; + ams,ext-control = <1>; + }; + + sd2 { + regulator-name = "vddio_ddr"; + regulator-min-microvolt = <1350000>; + regulator-max-microvolt = <1350000>; + regulator-always-on; + }; + + sd4 { + regulator-name = "avdd-hdmi-pex"; + regulator-min-microvolt = <1050000>; + regulator-max-microvolt = <1050000>; + regulator-always-on; + }; + + sd5 { + regulator-name = "vdd-1v8"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-always-on; + }; + .... + }; + }; diff --git a/Documentation/devicetree/bindings/regulator/da9210.txt b/Documentation/devicetree/bindings/regulator/da9210.txt new file mode 100644 index 000000000000..f120f229d67d --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/da9210.txt @@ -0,0 +1,21 @@ +* Dialog Semiconductor DA9210 Voltage Regulator + +Required properties: + +- compatible: must be "diasemi,da9210" +- reg: the i2c slave address of the regulator. It should be 0x68. + +Any standard regulator properties can be used to configure the single da9210 +DCDC. + +Example: + + da9210@68 { + compatible = "diasemi,da9210"; + reg = <0x68>; + + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <1000000>; + regulator-boot-on; + regulator-always-on; + }; diff --git a/Documentation/devicetree/bindings/regulator/palmas-pmic.txt b/Documentation/devicetree/bindings/regulator/palmas-pmic.txt index 875639ae0606..42e6b6bc48ff 100644 --- a/Documentation/devicetree/bindings/regulator/palmas-pmic.txt +++ b/Documentation/devicetree/bindings/regulator/palmas-pmic.txt @@ -26,11 +26,17 @@ Optional nodes: For ti,palmas-pmic - smps12, smps123, smps3 depending on OTP, smps45, smps457, smps7 depending on variant, smps6, smps[8-9], - smps10_out2, smps10_out1, do[1-9], ldoln, ldousb. + smps10_out2, smps10_out1, ldo[1-9], ldoln, ldousb. Optional sub-node properties: ti,warm-reset - maintain voltage during warm reset(boolean) - ti,roof-floor - control voltage selection by pin(boolean) + ti,roof-floor - This takes as optional argument on platform supporting + the rail from desired external control. If there is no argument then + it will be assume that it is controlled by NSLEEP pin. + The valid value for external pins are: + ENABLE1 then 1, + ENABLE2 then 2 or + NSLEEP then 3. ti,mode-sleep - mode to adopt in pmic sleep 0 - off, 1 - auto, 2 - eco, 3 - forced pwm ti,smps-range - OTP has the wrong range set for the hardware so override @@ -61,7 +67,7 @@ pmic { regulator-always-on; regulator-boot-on; ti,warm-reset; - ti,roof-floor; + ti,roof-floor = <1>; /* ENABLE1 control */ ti,mode-sleep = <0>; ti,smps-range = <1>; }; diff --git a/Documentation/devicetree/bindings/regulator/regulator.txt b/Documentation/devicetree/bindings/regulator/regulator.txt index 2bd8f0978765..e2c7f1e7251a 100644 --- a/Documentation/devicetree/bindings/regulator/regulator.txt +++ b/Documentation/devicetree/bindings/regulator/regulator.txt @@ -14,6 +14,11 @@ Optional properties: - regulator-ramp-delay: ramp delay for regulator(in uV/uS) For hardwares which support disabling ramp rate, it should be explicitly intialised to zero (regulator-ramp-delay = <0>) for disabling ramp delay. +- regulator-enable-ramp-delay: The time taken, in microseconds, for the supply + rail to reach the target voltage, plus/minus whatever tolerance the board + design requires. This property describes the total system ramp time + required due to the combination of internal ramping of the regulator itself, + and board design issues such as trace capacitance and load on the supply. Deprecated properties: - regulator-compatible: If a regulator chip contains multiple diff --git a/Documentation/driver-model/devres.txt b/Documentation/driver-model/devres.txt index fcb34a5697ea..3d9c2a766230 100644 --- a/Documentation/driver-model/devres.txt +++ b/Documentation/driver-model/devres.txt @@ -283,6 +283,7 @@ REGULATOR devm_regulator_get() devm_regulator_put() devm_regulator_bulk_get() + devm_regulator_register() CLOCK devm_clk_get() diff --git a/Documentation/sound/alsa/HD-Audio-Models.txt b/Documentation/sound/alsa/HD-Audio-Models.txt index f911e3656209..85c362d8ea34 100644 --- a/Documentation/sound/alsa/HD-Audio-Models.txt +++ b/Documentation/sound/alsa/HD-Audio-Models.txt @@ -28,6 +28,7 @@ ALC269/270/275/276/28x/29x alc269-dmic Enable ALC269(VA) digital mic workaround alc271-dmic Enable ALC271X digital mic workaround inv-dmic Inverted internal mic workaround + headset-mic Indicates a combined headset (headphone+mic) jack lenovo-dock Enables docking station I/O for some Lenovos dell-headset-multi Headset jack, which can also be used as mic-in dell-headset-dock Headset jack (without mic-in), and also dock I/O diff --git a/MAINTAINERS b/MAINTAINERS index 8a0cbf3cf2c8..a7c34ef3509d 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -237,11 +237,11 @@ F: drivers/platform/x86/acer-wmi.c ACPI M: Len Brown <lenb@kernel.org> -M: Rafael J. Wysocki <rjw@sisk.pl> +M: Rafael J. Wysocki <rjw@rjwysocki.net> L: linux-acpi@vger.kernel.org -W: http://www.lesswatts.org/projects/acpi/ -Q: http://patchwork.kernel.org/project/linux-acpi/list/ -T: git git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux +W: https://01.org/linux-acpi +Q: https://patchwork.kernel.org/project/linux-acpi/list/ +T: git git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm S: Supported F: drivers/acpi/ F: drivers/pnp/pnpacpi/ @@ -256,21 +256,21 @@ F: drivers/pci/*/*/*acpi* ACPI FAN DRIVER M: Zhang Rui <rui.zhang@intel.com> L: linux-acpi@vger.kernel.org -W: http://www.lesswatts.org/projects/acpi/ +W: https://01.org/linux-acpi S: Supported F: drivers/acpi/fan.c ACPI THERMAL DRIVER M: Zhang Rui <rui.zhang@intel.com> L: linux-acpi@vger.kernel.org -W: http://www.lesswatts.org/projects/acpi/ +W: https://01.org/linux-acpi S: Supported F: drivers/acpi/*thermal* ACPI VIDEO DRIVER M: Zhang Rui <rui.zhang@intel.com> L: linux-acpi@vger.kernel.org -W: http://www.lesswatts.org/projects/acpi/ +W: https://01.org/linux-acpi S: Supported F: drivers/acpi/video.c @@ -2300,7 +2300,7 @@ S: Maintained F: drivers/net/ethernet/ti/cpmac.c CPU FREQUENCY DRIVERS -M: Rafael J. Wysocki <rjw@sisk.pl> +M: Rafael J. Wysocki <rjw@rjwysocki.net> M: Viresh Kumar <viresh.kumar@linaro.org> L: cpufreq@vger.kernel.org L: linux-pm@vger.kernel.org @@ -2331,7 +2331,7 @@ S: Maintained F: drivers/cpuidle/cpuidle-big_little.c CPUIDLE DRIVERS -M: Rafael J. Wysocki <rjw@sisk.pl> +M: Rafael J. Wysocki <rjw@rjwysocki.net> M: Daniel Lezcano <daniel.lezcano@linaro.org> L: linux-pm@vger.kernel.org S: Maintained @@ -3553,7 +3553,7 @@ F: fs/freevxfs/ FREEZER M: Pavel Machek <pavel@ucw.cz> -M: "Rafael J. Wysocki" <rjw@sisk.pl> +M: "Rafael J. Wysocki" <rjw@rjwysocki.net> L: linux-pm@vger.kernel.org S: Supported F: Documentation/power/freezing-of-tasks.txt @@ -3624,6 +3624,12 @@ L: linux-scsi@vger.kernel.org S: Odd Fixes (e.g., new signatures) F: drivers/scsi/fdomain.* +GCOV BASED KERNEL PROFILING +M: Peter Oberparleiter <oberpar@linux.vnet.ibm.com> +S: Maintained +F: kernel/gcov/ +F: Documentation/gcov.txt + GDT SCSI DISK ARRAY CONTROLLER DRIVER M: Achim Leubner <achim_leubner@adaptec.com> L: linux-scsi@vger.kernel.org @@ -3889,7 +3895,7 @@ F: drivers/video/hgafb.c HIBERNATION (aka Software Suspend, aka swsusp) M: Pavel Machek <pavel@ucw.cz> -M: "Rafael J. Wysocki" <rjw@sisk.pl> +M: "Rafael J. Wysocki" <rjw@rjwysocki.net> L: linux-pm@vger.kernel.org S: Supported F: arch/x86/power/ @@ -4339,7 +4345,7 @@ F: drivers/video/i810/ INTEL MENLOW THERMAL DRIVER M: Sujith Thomas <sujith.thomas@intel.com> L: platform-driver-x86@vger.kernel.org -W: http://www.lesswatts.org/projects/acpi/ +W: https://01.org/linux-acpi S: Supported F: drivers/platform/x86/intel_menlow.c @@ -8095,7 +8101,7 @@ F: drivers/sh/ SUSPEND TO RAM M: Len Brown <len.brown@intel.com> M: Pavel Machek <pavel@ucw.cz> -M: "Rafael J. Wysocki" <rjw@sisk.pl> +M: "Rafael J. Wysocki" <rjw@rjwysocki.net> L: linux-pm@vger.kernel.org S: Supported F: Documentation/power/ @@ -1,7 +1,7 @@ VERSION = 3 PATCHLEVEL = 12 SUBLEVEL = 0 -EXTRAVERSION = -rc4 +EXTRAVERSION = -rc6 NAME = One Giant Leap for Frogkind # *DOCUMENTATION* diff --git a/arch/arc/kernel/ptrace.c b/arch/arc/kernel/ptrace.c index 333238564b67..5d76706139dd 100644 --- a/arch/arc/kernel/ptrace.c +++ b/arch/arc/kernel/ptrace.c @@ -102,7 +102,7 @@ static int genregs_set(struct task_struct *target, REG_IGNORE_ONE(pad2); REG_IN_CHUNK(callee, efa, cregs); /* callee_regs[r25..r13] */ REG_IGNORE_ONE(efa); /* efa update invalid */ - REG_IN_ONE(stop_pc, &ptregs->ret); /* stop_pc: PC update */ + REG_IGNORE_ONE(stop_pc); /* PC updated via @ret */ return ret; } diff --git a/arch/arm/Makefile b/arch/arm/Makefile index a37a50f575a2..db50b626be98 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -296,10 +296,15 @@ archprepare: # Convert bzImage to zImage bzImage: zImage -zImage Image xipImage bootpImage uImage: vmlinux +BOOT_TARGETS = zImage Image xipImage bootpImage uImage +INSTALL_TARGETS = zinstall uinstall install + +PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS) + +$(BOOT_TARGETS): vmlinux $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@ -zinstall uinstall install: vmlinux +$(INSTALL_TARGETS): $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@ %.dtb: | scripts diff --git a/arch/arm/boot/Makefile b/arch/arm/boot/Makefile index 84aa2caf07ed..ec2f8065f955 100644 --- a/arch/arm/boot/Makefile +++ b/arch/arm/boot/Makefile @@ -95,24 +95,24 @@ initrd: @test "$(INITRD)" != "" || \ (echo You must specify INITRD; exit -1) -install: $(obj)/Image - $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \ +install: + $(CONFIG_SHELL) $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" \ $(obj)/Image System.map "$(INSTALL_PATH)" -zinstall: $(obj)/zImage - $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \ +zinstall: + $(CONFIG_SHELL) $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" \ $(obj)/zImage System.map "$(INSTALL_PATH)" -uinstall: $(obj)/uImage - $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \ +uinstall: + $(CONFIG_SHELL) $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" \ $(obj)/uImage System.map "$(INSTALL_PATH)" zi: - $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \ + $(CONFIG_SHELL) $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" \ $(obj)/zImage System.map "$(INSTALL_PATH)" i: - $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \ + $(CONFIG_SHELL) $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" \ $(obj)/Image System.map "$(INSTALL_PATH)" subdir- := bootp compressed dts diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi index 7d7cc777ff7b..bbac42a78ce5 100644 --- a/arch/arm/boot/dts/exynos5250.dtsi +++ b/arch/arm/boot/dts/exynos5250.dtsi @@ -96,6 +96,11 @@ <1 14 0xf08>, <1 11 0xf08>, <1 10 0xf08>; + /* Unfortunately we need this since some versions of U-Boot + * on Exynos don't set the CNTFRQ register, so we need the + * value from DT. + */ + clock-frequency = <24000000>; }; mct@101C0000 { diff --git a/arch/arm/boot/dts/omap3-beagle-xm.dts b/arch/arm/boot/dts/omap3-beagle-xm.dts index 0c514dc8460c..2816bf612672 100644 --- a/arch/arm/boot/dts/omap3-beagle-xm.dts +++ b/arch/arm/boot/dts/omap3-beagle-xm.dts @@ -11,7 +11,7 @@ / { model = "TI OMAP3 BeagleBoard xM"; - compatible = "ti,omap3-beagle-xm", "ti,omap3-beagle", "ti,omap3"; + compatible = "ti,omap3-beagle-xm", "ti,omap36xx", "ti,omap3"; cpus { cpu@0 { diff --git a/arch/arm/boot/dts/omap3.dtsi b/arch/arm/boot/dts/omap3.dtsi index 7d95cda1fae4..b41bd57f4328 100644 --- a/arch/arm/boot/dts/omap3.dtsi +++ b/arch/arm/boot/dts/omap3.dtsi @@ -108,7 +108,7 @@ #address-cells = <1>; #size-cells = <0>; pinctrl-single,register-width = <16>; - pinctrl-single,function-mask = <0x7f1f>; + pinctrl-single,function-mask = <0xff1f>; }; omap3_pmx_wkup: pinmux@0x48002a00 { @@ -117,7 +117,7 @@ #address-cells = <1>; #size-cells = <0>; pinctrl-single,register-width = <16>; - pinctrl-single,function-mask = <0x7f1f>; + pinctrl-single,function-mask = <0xff1f>; }; gpio1: gpio@48310000 { diff --git a/arch/arm/boot/install.sh b/arch/arm/boot/install.sh index 06ea7d42ce8e..2a45092a40e3 100644 --- a/arch/arm/boot/install.sh +++ b/arch/arm/boot/install.sh @@ -20,6 +20,20 @@ # $4 - default install path (blank if root directory) # +verify () { + if [ ! -f "$1" ]; then + echo "" 1>&2 + echo " *** Missing file: $1" 1>&2 + echo ' *** You need to run "make" before "make install".' 1>&2 + echo "" 1>&2 + exit 1 + fi +} + +# Make sure the files actually exist +verify "$2" +verify "$3" + # User may have a custom install script if [ -x ~/bin/${INSTALLKERNEL} ]; then exec ~/bin/${INSTALLKERNEL} "$@"; fi if [ -x /sbin/${INSTALLKERNEL} ]; then exec /sbin/${INSTALLKERNEL} "$@"; fi diff --git a/arch/arm/common/mcpm_entry.c b/arch/arm/common/mcpm_entry.c index 370236dd1a03..990250965f2c 100644 --- a/arch/arm/common/mcpm_entry.c +++ b/arch/arm/common/mcpm_entry.c @@ -51,7 +51,8 @@ void mcpm_cpu_power_down(void) { phys_reset_t phys_reset; - BUG_ON(!platform_ops); + if (WARN_ON_ONCE(!platform_ops || !platform_ops->power_down)) + return; BUG_ON(!irqs_disabled()); /* @@ -93,7 +94,8 @@ void mcpm_cpu_suspend(u64 expected_residency) { phys_reset_t phys_reset; - BUG_ON(!platform_ops); + if (WARN_ON_ONCE(!platform_ops || !platform_ops->suspend)) + return; BUG_ON(!irqs_disabled()); /* Very similar to mcpm_cpu_power_down() */ diff --git a/arch/arm/common/sharpsl_param.c b/arch/arm/common/sharpsl_param.c index d56c932580eb..025f6ce38596 100644 --- a/arch/arm/common/sharpsl_param.c +++ b/arch/arm/common/sharpsl_param.c @@ -15,6 +15,7 @@ #include <linux/module.h> #include <linux/string.h> #include <asm/mach/sharpsl_param.h> +#include <asm/memory.h> /* * Certain hardware parameters determined at the time of device manufacture, @@ -25,8 +26,10 @@ */ #ifdef CONFIG_ARCH_SA1100 #define PARAM_BASE 0xe8ffc000 +#define param_start(x) (void *)(x) #else #define PARAM_BASE 0xa0000a00 +#define param_start(x) __va(x) #endif #define MAGIC_CHG(a,b,c,d) ( ( d << 24 ) | ( c << 16 ) | ( b << 8 ) | a ) @@ -41,7 +44,7 @@ EXPORT_SYMBOL(sharpsl_param); void sharpsl_save_param(void) { - memcpy(&sharpsl_param, (void *)PARAM_BASE, sizeof(struct sharpsl_param_info)); + memcpy(&sharpsl_param, param_start(PARAM_BASE), sizeof(struct sharpsl_param_info)); if (sharpsl_param.comadj_keyword != COMADJ_MAGIC) sharpsl_param.comadj=-1; diff --git a/arch/arm/include/asm/Kbuild b/arch/arm/include/asm/Kbuild index d3db39860b9c..59ceae8f3c95 100644 --- a/arch/arm/include/asm/Kbuild +++ b/arch/arm/include/asm/Kbuild @@ -31,5 +31,4 @@ generic-y += termbits.h generic-y += termios.h generic-y += timex.h generic-y += trace_clock.h -generic-y += types.h generic-y += unaligned.h diff --git a/arch/arm/include/asm/jump_label.h b/arch/arm/include/asm/jump_label.h index bfc198c75913..863c892b4aaa 100644 --- a/arch/arm/include/asm/jump_label.h +++ b/arch/arm/include/asm/jump_label.h @@ -16,7 +16,7 @@ static __always_inline bool arch_static_branch(struct static_key *key) { - asm goto("1:\n\t" + asm_volatile_goto("1:\n\t" JUMP_LABEL_NOP "\n\t" ".pushsection __jump_table, \"aw\"\n\t" ".word 1b, %l[l_yes], %c0\n\t" diff --git a/arch/arm/include/asm/mcpm.h b/arch/arm/include/asm/mcpm.h index 0f7b7620e9a5..fc82a88f5b69 100644 --- a/arch/arm/include/asm/mcpm.h +++ b/arch/arm/include/asm/mcpm.h @@ -76,8 +76,11 @@ int mcpm_cpu_power_up(unsigned int cpu, unsigned int cluster); * * This must be called with interrupts disabled. * - * This does not return. Re-entry in the kernel is expected via - * mcpm_entry_point. + * On success this does not return. Re-entry in the kernel is expected + * via mcpm_entry_point. + * + * This will return if mcpm_platform_register() has not been called + * previously in which case the caller should take appropriate action. */ void mcpm_cpu_power_down(void); @@ -98,8 +101,11 @@ void mcpm_cpu_power_down(void); * * This must be called with interrupts disabled. * - * This does not return. Re-entry in the kernel is expected via - * mcpm_entry_point. + * On success this does not return. Re-entry in the kernel is expected + * via mcpm_entry_point. + * + * This will return if mcpm_platform_register() has not been called + * previously in which case the caller should take appropriate action. */ void mcpm_cpu_suspend(u64 expected_residency); diff --git a/arch/arm/include/asm/syscall.h b/arch/arm/include/asm/syscall.h index f1d96d4e8092..73ddd7239b33 100644 --- a/arch/arm/include/asm/syscall.h +++ b/arch/arm/include/asm/syscall.h @@ -57,6 +57,9 @@ static inline void syscall_get_arguments(struct task_struct *task, unsigned int i, unsigned int n, unsigned long *args) { + if (n == 0) + return; + if (i + n > SYSCALL_MAX_ARGS) { unsigned long *args_bad = args + SYSCALL_MAX_ARGS - i; unsigned int n_bad = n + i - SYSCALL_MAX_ARGS; @@ -81,6 +84,9 @@ static inline void syscall_set_arguments(struct task_struct *task, unsigned int i, unsigned int n, const unsigned long *args) { + if (n == 0) + return; + if (i + n > SYSCALL_MAX_ARGS) { pr_warning("%s called with max args %d, handling only %d\n", __func__, i + n, SYSCALL_MAX_ARGS); diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S index 2c7cc1e03473..476de57dcef2 100644 --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -487,7 +487,26 @@ __fixup_smp: mrc p15, 0, r0, c0, c0, 5 @ read MPIDR and r0, r0, #0xc0000000 @ multiprocessing extensions and teq r0, #0x80000000 @ not part of a uniprocessor system? - moveq pc, lr @ yes, assume SMP + bne __fixup_smp_on_up @ no, assume UP + + @ Core indicates it is SMP. Check for Aegis SOC where a single + @ Cortex-A9 CPU is present but SMP operations fault. + mov r4, #0x41000000 + orr r4, r4, #0x0000c000 + orr r4, r4, #0x00000090 + teq r3, r4 @ Check for ARM Cortex-A9 + movne pc, lr @ Not ARM Cortex-A9, + + @ If a future SoC *does* use 0x0 as the PERIPH_BASE, then the + @ below address check will need to be #ifdef'd or equivalent + @ for the Aegis platform. + mrc p15, 4, r0, c15, c0 @ get SCU base address + teq r0, #0x0 @ '0' on actual UP A9 hardware + beq __fixup_smp_on_up @ So its an A9 UP + ldr r0, [r0, #4] @ read SCU Config + and r0, r0, #0x3 @ number of CPUs + teq r0, #0x0 @ is 1? + movne pc, lr __fixup_smp_on_up: adr r0, 1f diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c index 39c78387ddec..87162e1b94a5 100644 --- a/arch/arm/mach-omap2/board-generic.c +++ b/arch/arm/mach-omap2/board-generic.c @@ -129,6 +129,24 @@ DT_MACHINE_START(OMAP3_DT, "Generic OMAP3 (Flattened Device Tree)") .restart = omap3xxx_restart, MACHINE_END +static const char *omap36xx_boards_compat[] __initdata = { + "ti,omap36xx", + NULL, +}; + +DT_MACHINE_START(OMAP36XX_DT, "Generic OMAP36xx (Flattened Device Tree)") + .reserve = omap_reserve, + .map_io = omap3_map_io, + .init_early = omap3630_init_early, + .init_irq = omap_intc_of_init, + .handle_irq = omap3_intc_handle_irq, + .init_machine = omap_generic_init, + .init_late = omap3_init_late, + .init_time = omap3_sync32k_timer_init, + .dt_compat = omap36xx_boards_compat, + .restart = omap3xxx_restart, +MACHINE_END + static const char *omap3_gp_boards_compat[] __initdata = { "ti,omap3-beagle", "timll,omap3-devkit8000", diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c index c3270c0f1fce..f6fe388af989 100644 --- a/arch/arm/mach-omap2/board-rx51-peripherals.c +++ b/arch/arm/mach-omap2/board-rx51-peripherals.c @@ -167,38 +167,47 @@ static struct lp55xx_led_config rx51_lp5523_led_config[] = { .name = "lp5523:kb1", .chan_nr = 0, .led_current = 50, + .max_current = 100, }, { .name = "lp5523:kb2", .chan_nr = 1, .led_current = 50, + .max_current = 100, }, { .name = "lp5523:kb3", .chan_nr = 2, .led_current = 50, + .max_current = 100, }, { .name = "lp5523:kb4", .chan_nr = 3, .led_current = 50, + .max_current = 100, }, { .name = "lp5523:b", .chan_nr = 4, .led_current = 50, + .max_current = 100, }, { .name = "lp5523:g", .chan_nr = 5, .led_current = 50, + .max_current = 100, }, { .name = "lp5523:r", .chan_nr = 6, .led_current = 50, + .max_current = 100, }, { .name = "lp5523:kb5", .chan_nr = 7, .led_current = 50, + .max_current = 100, }, { .name = "lp5523:kb6", .chan_nr = 8, .led_current = 50, + .max_current = 100, } }; diff --git a/arch/arm/mach-omap2/gpmc-onenand.c b/arch/arm/mach-omap2/gpmc-onenand.c index 64b5a8346982..8b6876c98ce1 100644 --- a/arch/arm/mach-omap2/gpmc-onenand.c +++ b/arch/arm/mach-omap2/gpmc-onenand.c @@ -272,9 +272,19 @@ static int omap2_onenand_setup_async(void __iomem *onenand_base) struct gpmc_timings t; int ret; - if (gpmc_onenand_data->of_node) + if (gpmc_onenand_data->of_node) { gpmc_read_settings_dt(gpmc_onenand_data->of_node, &onenand_async); + if (onenand_async.sync_read || onenand_async.sync_write) { + if (onenand_async.sync_write) + gpmc_onenand_data->flags |= + ONENAND_SYNC_READWRITE; + else + gpmc_onenand_data->flags |= ONENAND_SYNC_READ; + onenand_async.sync_read = false; + onenand_async.sync_write = false; + } + } omap2_onenand_set_async_mode(onenand_base); diff --git a/arch/arm/mach-omap2/mux.h b/arch/arm/mach-omap2/mux.h index 5d2080ef7923..16f78a990d04 100644 --- a/arch/arm/mach-omap2/mux.h +++ b/arch/arm/mach-omap2/mux.h @@ -28,7 +28,7 @@ #define OMAP_PULL_UP (1 << 4) #define OMAP_ALTELECTRICALSEL (1 << 5) -/* 34xx specific mux bit defines */ +/* omap3/4/5 specific mux bit defines */ #define OMAP_INPUT_EN (1 << 8) #define OMAP_OFF_EN (1 << 9) #define OMAP_OFFOUT_EN (1 << 10) @@ -36,8 +36,6 @@ #define OMAP_OFF_PULL_EN (1 << 12) #define OMAP_OFF_PULL_UP (1 << 13) #define OMAP_WAKEUP_EN (1 << 14) - -/* 44xx specific mux bit defines */ #define OMAP_WAKEUP_EVENT (1 << 15) /* Active pin states */ diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c index fa74a0625da1..ead48fa5715e 100644 --- a/arch/arm/mach-omap2/timer.c +++ b/arch/arm/mach-omap2/timer.c @@ -628,7 +628,7 @@ void __init omap4_local_timer_init(void) #endif /* CONFIG_HAVE_ARM_TWD */ #endif /* CONFIG_ARCH_OMAP4 */ -#ifdef CONFIG_SOC_OMAP5 +#if defined(CONFIG_SOC_OMAP5) || defined(CONFIG_SOC_DRA7XX) void __init omap5_realtime_timer_init(void) { omap4_sync32k_timer_init(); @@ -636,7 +636,7 @@ void __init omap5_realtime_timer_init(void) clocksource_of_init(); } -#endif /* CONFIG_SOC_OMAP5 */ +#endif /* CONFIG_SOC_OMAP5 || CONFIG_SOC_DRA7XX */ /** * omap_timer_init - build and register timer device with an diff --git a/arch/arm/mach-s3c64xx/mach-crag6410.c b/arch/arm/mach-s3c64xx/mach-crag6410.c index eb8e5a1aca42..f27ca3b89f4c 100644 --- a/arch/arm/mach-s3c64xx/mach-crag6410.c +++ b/arch/arm/mach-s3c64xx/mach-crag6410.c @@ -310,10 +310,6 @@ static struct regulator_consumer_supply wallvdd_consumers[] = { REGULATOR_SUPPLY("SPKVDDL", "spi0.1"), REGULATOR_SUPPLY("SPKVDDR", "spi0.1"), - REGULATOR_SUPPLY("SPKVDDL", "wm5102-codec"), - REGULATOR_SUPPLY("SPKVDDR", "wm5102-codec"), - REGULATOR_SUPPLY("SPKVDDL", "wm5110-codec"), - REGULATOR_SUPPLY("SPKVDDR", "wm5110-codec"), REGULATOR_SUPPLY("DC1VDD", "0-0034"), REGULATOR_SUPPLY("DC2VDD", "0-0034"), @@ -653,14 +649,6 @@ static struct regulator_consumer_supply pvdd_1v8_consumers[] = { REGULATOR_SUPPLY("DBVDD3", "spi0.1"), REGULATOR_SUPPLY("LDOVDD", "spi0.1"), REGULATOR_SUPPLY("CPVDD", "spi0.1"), - - REGULATOR_SUPPLY("DBVDD2", "wm5102-codec"), - REGULATOR_SUPPLY("DBVDD3", "wm5102-codec"), - REGULATOR_SUPPLY("CPVDD", "wm5102-codec"), - - REGULATOR_SUPPLY("DBVDD2", "wm5110-codec"), - REGULATOR_SUPPLY("DBVDD3", "wm5110-codec"), - REGULATOR_SUPPLY("CPVDD", "wm5110-codec"), }; static struct regulator_init_data pvdd_1v8 = { diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index f5e1a8471714..1272ed202dde 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -1232,7 +1232,8 @@ __iommu_create_mapping(struct device *dev, struct page **pages, size_t size) break; len = (j - i) << PAGE_SHIFT; - ret = iommu_map(mapping->domain, iova, phys, len, 0); + ret = iommu_map(mapping->domain, iova, phys, len, + IOMMU_READ|IOMMU_WRITE); if (ret < 0) goto fail; iova += len; @@ -1431,6 +1432,27 @@ static int arm_iommu_get_sgtable(struct device *dev, struct sg_table *sgt, GFP_KERNEL); } +static int __dma_direction_to_prot(enum dma_data_direction dir) +{ + int prot; + + switch (dir) { + case DMA_BIDIRECTIONAL: + prot = IOMMU_READ | IOMMU_WRITE; + break; + case DMA_TO_DEVICE: + prot = IOMMU_READ; + break; + case DMA_FROM_DEVICE: + prot = IOMMU_WRITE; + break; + default: + prot = 0; + } + + return prot; +} + /* * Map a part of the scatter-gather list into contiguous io address space */ @@ -1444,6 +1466,7 @@ static int __map_sg_chunk(struct device *dev, struct scatterlist *sg, int ret = 0; unsigned int count; struct scatterlist *s; + int prot; size = PAGE_ALIGN(size); *handle = DMA_ERROR_CODE; @@ -1460,7 +1483,9 @@ static int __map_sg_chunk(struct device *dev, struct scatterlist *sg, !dma_get_attr(DMA_ATTR_SKIP_CPU_SYNC, attrs)) __dma_page_cpu_to_dev(sg_page(s), s->offset, s->length, dir); - ret = iommu_map(mapping->domain, iova, phys, len, 0); + prot = __dma_direction_to_prot(dir); + + ret = iommu_map(mapping->domain, iova, phys, len, prot); if (ret < 0) goto fail; count += len >> PAGE_SHIFT; @@ -1665,19 +1690,7 @@ static dma_addr_t arm_coherent_iommu_map_page(struct device *dev, struct page *p if (dma_addr == DMA_ERROR_CODE) return dma_addr; - switch (dir) { - case DMA_BIDIRECTIONAL: - prot = IOMMU_READ | IOMMU_WRITE; - break; - case DMA_TO_DEVICE: - prot = IOMMU_READ; - break; - case DMA_FROM_DEVICE: - prot = IOMMU_WRITE; - break; - default: - prot = 0; - } + prot = __dma_direction_to_prot(dir); ret = iommu_map(mapping->domain, dma_addr, page_to_phys(page), len, prot); if (ret < 0) diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index febaee7ca57b..18ec4c504abf 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -17,7 +17,6 @@ #include <linux/nodemask.h> #include <linux/initrd.h> #include <linux/of_fdt.h> -#include <linux/of_reserved_mem.h> #include <linux/highmem.h> #include <linux/gfp.h> #include <linux/memblock.h> @@ -379,8 +378,6 @@ void __init arm_memblock_init(struct meminfo *mi, if (mdesc->reserve) mdesc->reserve(); - early_init_dt_scan_reserved_mem(); - /* * reserve memory for DMA contigouos allocations, * must come from DMA area inside low memory diff --git a/arch/mips/include/asm/jump_label.h b/arch/mips/include/asm/jump_label.h index 4d6d77ed9b9d..e194f957ca8c 100644 --- a/arch/mips/include/asm/jump_label.h +++ b/arch/mips/include/asm/jump_label.h @@ -22,7 +22,7 @@ static __always_inline bool arch_static_branch(struct static_key *key) { - asm goto("1:\tnop\n\t" + asm_volatile_goto("1:\tnop\n\t" "nop\n\t" ".pushsection __jump_table, \"aw\"\n\t" WORD_INSN " 1b, %l[l_yes], %0\n\t" diff --git a/arch/mips/kernel/octeon_switch.S b/arch/mips/kernel/octeon_switch.S index 4204d76af854..029e002a4ea0 100644 --- a/arch/mips/kernel/octeon_switch.S +++ b/arch/mips/kernel/octeon_switch.S @@ -73,7 +73,7 @@ 3: #if defined(CONFIG_CC_STACKPROTECTOR) && !defined(CONFIG_SMP) - PTR_L t8, __stack_chk_guard + PTR_LA t8, __stack_chk_guard LONG_L t9, TASK_STACK_CANARY(a1) LONG_S t9, 0(t8) #endif diff --git a/arch/mips/kernel/r2300_switch.S b/arch/mips/kernel/r2300_switch.S index 38af83f84c4a..20b7b040e76f 100644 --- a/arch/mips/kernel/r2300_switch.S +++ b/arch/mips/kernel/r2300_switch.S @@ -67,7 +67,7 @@ LEAF(resume) 1: #if defined(CONFIG_CC_STACKPROTECTOR) && !defined(CONFIG_SMP) - PTR_L t8, __stack_chk_guard + PTR_LA t8, __stack_chk_guard LONG_L t9, TASK_STACK_CANARY(a1) LONG_S t9, 0(t8) #endif diff --git a/arch/mips/kernel/r4k_switch.S b/arch/mips/kernel/r4k_switch.S index 921238a6bd26..078de5eaca8f 100644 --- a/arch/mips/kernel/r4k_switch.S +++ b/arch/mips/kernel/r4k_switch.S @@ -69,7 +69,7 @@ 1: #if defined(CONFIG_CC_STACKPROTECTOR) && !defined(CONFIG_SMP) - PTR_L t8, __stack_chk_guard + PTR_LA t8, __stack_chk_guard LONG_L t9, TASK_STACK_CANARY(a1) LONG_S t9, 0(t8) #endif diff --git a/arch/parisc/include/asm/traps.h b/arch/parisc/include/asm/traps.h index 1945f995f2df..4736020ba5ea 100644 --- a/arch/parisc/include/asm/traps.h +++ b/arch/parisc/include/asm/traps.h @@ -6,7 +6,7 @@ struct pt_regs; /* traps.c */ void parisc_terminate(char *msg, struct pt_regs *regs, - int code, unsigned long offset); + int code, unsigned long offset) __noreturn __cold; /* mm/fault.c */ void do_page_fault(struct pt_regs *regs, unsigned long code, diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c index c035673209f7..b521c0adf4ec 100644 --- a/arch/parisc/kernel/cache.c +++ b/arch/parisc/kernel/cache.c @@ -602,6 +602,7 @@ flush_cache_page(struct vm_area_struct *vma, unsigned long vmaddr, unsigned long __flush_cache_page(vma, vmaddr, PFN_PHYS(pfn)); } } +EXPORT_SYMBOL_GPL(flush_cache_page); #ifdef CONFIG_PARISC_TMPALIAS diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c index 8a252f2d6c08..2b96602e812f 100644 --- a/arch/parisc/kernel/smp.c +++ b/arch/parisc/kernel/smp.c @@ -72,7 +72,6 @@ enum ipi_message_type { IPI_NOP=0, IPI_RESCHEDULE=1, IPI_CALL_FUNC, - IPI_CALL_FUNC_SINGLE, IPI_CPU_START, IPI_CPU_STOP, IPI_CPU_TEST @@ -164,11 +163,6 @@ ipi_interrupt(int irq, void *dev_id) generic_smp_call_function_interrupt(); break; - case IPI_CALL_FUNC_SINGLE: - smp_debug(100, KERN_DEBUG "CPU%d IPI_CALL_FUNC_SINGLE\n", this_cpu); - generic_smp_call_function_single_interrupt(); - break; - case IPI_CPU_START: smp_debug(100, KERN_DEBUG "CPU%d IPI_CPU_START\n", this_cpu); break; @@ -260,7 +254,7 @@ void arch_send_call_function_ipi_mask(const struct cpumask *mask) void arch_send_call_function_single_ipi(int cpu) { - send_IPI_single(cpu, IPI_CALL_FUNC_SINGLE); + send_IPI_single(cpu, IPI_CALL_FUNC); } /* diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c index 04e47c6a4562..1cd1d0c83b6d 100644 --- a/arch/parisc/kernel/traps.c +++ b/arch/parisc/kernel/traps.c @@ -291,11 +291,6 @@ void die_if_kernel(char *str, struct pt_regs *regs, long err) do_exit(SIGSEGV); } -int syscall_ipi(int (*syscall) (struct pt_regs *), struct pt_regs *regs) -{ - return syscall(regs); -} - /* gdb uses break 4,8 */ #define GDB_BREAK_INSN 0x10004 static void handle_gdb_break(struct pt_regs *regs, int wot) @@ -805,14 +800,14 @@ void notrace handle_interruption(int code, struct pt_regs *regs) else { /* - * The kernel should never fault on its own address space. + * The kernel should never fault on its own address space, + * unless pagefault_disable() was called before. */ - if (fault_space == 0) + if (fault_space == 0 && !in_atomic()) { pdc_chassis_send_status(PDC_CHASSIS_DIRECT_PANIC); parisc_terminate("Kernel Fault", regs, code, fault_address); - } } diff --git a/arch/parisc/lib/memcpy.c b/arch/parisc/lib/memcpy.c index ac4370b1ca40..b5507ec06b84 100644 --- a/arch/parisc/lib/memcpy.c +++ b/arch/parisc/lib/memcpy.c @@ -56,7 +56,7 @@ #ifdef __KERNEL__ #include <linux/module.h> #include <linux/compiler.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #define s_space "%%sr1" #define d_space "%%sr2" #else @@ -524,4 +524,17 @@ EXPORT_SYMBOL(copy_to_user); EXPORT_SYMBOL(copy_from_user); EXPORT_SYMBOL(copy_in_user); EXPORT_SYMBOL(memcpy); + +long probe_kernel_read(void *dst, const void *src, size_t size) +{ + unsigned long addr = (unsigned long)src; + + if (size < 0 || addr < PAGE_SIZE) + return -EFAULT; + + /* check for I/O space F_EXTEND(0xfff00000) access as well? */ + + return __probe_kernel_read(dst, src, size); +} + #endif diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c index 00c0ed333a3d..0293588d5b8c 100644 --- a/arch/parisc/mm/fault.c +++ b/arch/parisc/mm/fault.c @@ -171,20 +171,25 @@ void do_page_fault(struct pt_regs *regs, unsigned long code, unsigned long address) { struct vm_area_struct *vma, *prev_vma; - struct task_struct *tsk = current; - struct mm_struct *mm = tsk->mm; + struct task_struct *tsk; + struct mm_struct *mm; unsigned long acc_type; int fault; - unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; + unsigned int flags; - if (in_atomic() || !mm) + if (in_atomic()) goto no_context; + tsk = current; + mm = tsk->mm; + if (!mm) + goto no_context; + + flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; if (user_mode(regs)) flags |= FAULT_FLAG_USER; acc_type = parisc_acctyp(code, regs->iir); - if (acc_type & VM_WRITE) flags |= FAULT_FLAG_WRITE; retry: diff --git a/arch/powerpc/include/asm/jump_label.h b/arch/powerpc/include/asm/jump_label.h index ae098c438f00..f016bb699b5f 100644 --- a/arch/powerpc/include/asm/jump_label.h +++ b/arch/powerpc/include/asm/jump_label.h @@ -19,7 +19,7 @@ static __always_inline bool arch_static_branch(struct static_key *key) { - asm goto("1:\n\t" + asm_volatile_goto("1:\n\t" "nop\n\t" ".pushsection __jump_table, \"aw\"\n\t" JUMP_ENTRY_TYPE "1b, %l[l_yes], %c0\n\t" diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 57d286a78f86..c7cb8c232d2f 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -495,14 +495,15 @@ void __do_irq(struct pt_regs *regs) void do_IRQ(struct pt_regs *regs) { struct pt_regs *old_regs = set_irq_regs(regs); - struct thread_info *curtp, *irqtp; + struct thread_info *curtp, *irqtp, *sirqtp; /* Switch to the irq stack to handle this */ curtp = current_thread_info(); irqtp = hardirq_ctx[raw_smp_processor_id()]; + sirqtp = softirq_ctx[raw_smp_processor_id()]; /* Already there ? */ - if (unlikely(curtp == irqtp)) { + if (unlikely(curtp == irqtp || curtp == sirqtp)) { __do_irq(regs); set_irq_regs(old_regs); return; diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S index 294b7af28cdd..c71103b8a748 100644 --- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S +++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S @@ -1066,7 +1066,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_206) BEGIN_FTR_SECTION mfspr r8, SPRN_DSCR ld r7, HSTATE_DSCR(r13) - std r8, VCPU_DSCR(r7) + std r8, VCPU_DSCR(r9) mtspr SPRN_DSCR, r7 END_FTR_SECTION_IFSET(CPU_FTR_ARCH_206) diff --git a/arch/powerpc/kvm/e500_mmu_host.c b/arch/powerpc/kvm/e500_mmu_host.c index 1c6a9d729df4..c65593abae8e 100644 --- a/arch/powerpc/kvm/e500_mmu_host.c +++ b/arch/powerpc/kvm/e500_mmu_host.c @@ -332,6 +332,13 @@ static inline int kvmppc_e500_shadow_map(struct kvmppc_vcpu_e500 *vcpu_e500, unsigned long hva; int pfnmap = 0; int tsize = BOOK3E_PAGESZ_4K; + int ret = 0; + unsigned long mmu_seq; + struct kvm *kvm = vcpu_e500->vcpu.kvm; + + /* used to check for invalidations in progress */ + mmu_seq = kvm->mmu_notifier_seq; + smp_rmb(); /* * Translate guest physical to true physical, acquiring @@ -449,6 +456,12 @@ static inline int kvmppc_e500_shadow_map(struct kvmppc_vcpu_e500 *vcpu_e500, gvaddr &= ~((tsize_pages << PAGE_SHIFT) - 1); } + spin_lock(&kvm->mmu_lock); + if (mmu_notifier_retry(kvm, mmu_seq)) { + ret = -EAGAIN; + goto out; + } + kvmppc_e500_ref_setup(ref, gtlbe, pfn); kvmppc_e500_setup_stlbe(&vcpu_e500->vcpu, gtlbe, tsize, @@ -457,10 +470,13 @@ static inline int kvmppc_e500_shadow_map(struct kvmppc_vcpu_e500 *vcpu_e500, /* Clear i-cache for new pages */ kvmppc_mmu_flush_icache(pfn); +out: + spin_unlock(&kvm->mmu_lock); + /* Drop refcount on page, so that mmu notifiers can clear it */ kvm_release_pfn_clean(pfn); - return 0; + return ret; } /* XXX only map the one-one case, for now use TLB0 */ diff --git a/arch/s390/include/asm/jump_label.h b/arch/s390/include/asm/jump_label.h index 6c32190dc73e..346b1c85ffb4 100644 --- a/arch/s390/include/asm/jump_label.h +++ b/arch/s390/include/asm/jump_label.h @@ -15,7 +15,7 @@ static __always_inline bool arch_static_branch(struct static_key *key) { - asm goto("0: brcl 0,0\n" + asm_volatile_goto("0: brcl 0,0\n" ".pushsection __jump_table, \"aw\"\n" ASM_ALIGN "\n" ASM_PTR " 0b, %l[label], %0\n" diff --git a/arch/s390/kernel/crash_dump.c b/arch/s390/kernel/crash_dump.c index c84f33d51f7b..7dd21720e5b0 100644 --- a/arch/s390/kernel/crash_dump.c +++ b/arch/s390/kernel/crash_dump.c @@ -40,28 +40,26 @@ static inline void *load_real_addr(void *addr) } /* - * Copy up to one page to vmalloc or real memory + * Copy real to virtual or real memory */ -static ssize_t copy_page_real(void *buf, void *src, size_t csize) +static int copy_from_realmem(void *dest, void *src, size_t count) { - size_t size; + unsigned long size; + int rc; - if (is_vmalloc_addr(buf)) { - BUG_ON(csize >= PAGE_SIZE); - /* If buf is not page aligned, copy first part */ - size = min(roundup(__pa(buf), PAGE_SIZE) - __pa(buf), csize); - if (size) { - if (memcpy_real(load_real_addr(buf), src, size)) - return -EFAULT; - buf += size; - src += size; - } - /* Copy second part */ - size = csize - size; - return (size) ? memcpy_real(load_real_addr(buf), src, size) : 0; - } else { - return memcpy_real(buf, src, csize); - } + if (!count) + return 0; + if (!is_vmalloc_or_module_addr(dest)) + return memcpy_real(dest, src, count); + do { + size = min(count, PAGE_SIZE - (__pa(dest) & ~PAGE_MASK)); + if (memcpy_real(load_real_addr(dest), src, size)) + return -EFAULT; + count -= size; + dest += size; + src += size; + } while (count); + return 0; } /* @@ -114,7 +112,7 @@ static ssize_t copy_oldmem_page_kdump(char *buf, size_t csize, rc = copy_to_user_real((void __force __user *) buf, (void *) src, csize); else - rc = copy_page_real(buf, (void *) src, csize); + rc = copy_from_realmem(buf, (void *) src, csize); return (rc == 0) ? rc : csize; } @@ -210,7 +208,7 @@ int copy_from_oldmem(void *dest, void *src, size_t count) if (OLDMEM_BASE) { if ((unsigned long) src < OLDMEM_SIZE) { copied = min(count, OLDMEM_SIZE - (unsigned long) src); - rc = memcpy_real(dest, src + OLDMEM_BASE, copied); + rc = copy_from_realmem(dest, src + OLDMEM_BASE, copied); if (rc) return rc; } @@ -223,7 +221,7 @@ int copy_from_oldmem(void *dest, void *src, size_t count) return rc; } } - return memcpy_real(dest + copied, src + copied, count - copied); + return copy_from_realmem(dest + copied, src + copied, count - copied); } /* diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S index cc30d1fb000c..0dc2b6d0a1ec 100644 --- a/arch/s390/kernel/entry.S +++ b/arch/s390/kernel/entry.S @@ -266,6 +266,7 @@ sysc_sigpending: tm __TI_flags+3(%r12),_TIF_SYSCALL jno sysc_return lm %r2,%r7,__PT_R2(%r11) # load svc arguments + l %r10,__TI_sysc_table(%r12) # 31 bit system call table xr %r8,%r8 # svc 0 returns -ENOSYS clc __PT_INT_CODE+2(2,%r11),BASED(.Lnr_syscalls+2) jnl sysc_nr_ok # invalid svc number -> do svc 0 diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S index 2b2188b97c6a..e5b43c97a834 100644 --- a/arch/s390/kernel/entry64.S +++ b/arch/s390/kernel/entry64.S @@ -297,6 +297,7 @@ sysc_sigpending: tm __TI_flags+7(%r12),_TIF_SYSCALL jno sysc_return lmg %r2,%r7,__PT_R2(%r11) # load svc arguments + lg %r10,__TI_sysc_table(%r12) # address of system call table lghi %r8,0 # svc 0 returns -ENOSYS llgh %r1,__PT_INT_CODE+2(%r11) # load new svc number cghi %r1,NR_syscalls diff --git a/arch/s390/kernel/kprobes.c b/arch/s390/kernel/kprobes.c index 0ce9fb245034..d86e64eddb42 100644 --- a/arch/s390/kernel/kprobes.c +++ b/arch/s390/kernel/kprobes.c @@ -67,6 +67,11 @@ static int __kprobes is_prohibited_opcode(kprobe_opcode_t *insn) case 0xac: /* stnsm */ case 0xad: /* stosm */ return -EINVAL; + case 0xc6: + switch (insn[0] & 0x0f) { + case 0x00: /* exrl */ + return -EINVAL; + } } switch (insn[0]) { case 0x0101: /* pr */ @@ -180,7 +185,6 @@ static int __kprobes is_insn_relative_long(kprobe_opcode_t *insn) break; case 0xc6: switch (insn[0] & 0x0f) { - case 0x00: /* exrl */ case 0x02: /* pfdrl */ case 0x04: /* cghrl */ case 0x05: /* chrl */ diff --git a/arch/sparc/include/asm/jump_label.h b/arch/sparc/include/asm/jump_label.h index 5080d16a832f..ec2e2e2aba7d 100644 --- a/arch/sparc/include/asm/jump_label.h +++ b/arch/sparc/include/asm/jump_label.h @@ -9,7 +9,7 @@ static __always_inline bool arch_static_branch(struct static_key *key) { - asm goto("1:\n\t" + asm_volatile_goto("1:\n\t" "nop\n\t" "nop\n\t" ".pushsection __jump_table, \"aw\"\n\t" diff --git a/arch/tile/include/asm/atomic.h b/arch/tile/include/asm/atomic.h index d385eaadece7..709798460763 100644 --- a/arch/tile/include/asm/atomic.h +++ b/arch/tile/include/asm/atomic.h @@ -166,7 +166,7 @@ static inline int atomic_cmpxchg(atomic_t *v, int o, int n) * * Atomically sets @v to @i and returns old @v */ -static inline u64 atomic64_xchg(atomic64_t *v, u64 n) +static inline long long atomic64_xchg(atomic64_t *v, long long n) { return xchg64(&v->counter, n); } @@ -180,7 +180,8 @@ static inline u64 atomic64_xchg(atomic64_t *v, u64 n) * Atomically checks if @v holds @o and replaces it with @n if so. * Returns the old value at @v. */ -static inline u64 atomic64_cmpxchg(atomic64_t *v, u64 o, u64 n) +static inline long long atomic64_cmpxchg(atomic64_t *v, long long o, + long long n) { return cmpxchg64(&v->counter, o, n); } diff --git a/arch/tile/include/asm/atomic_32.h b/arch/tile/include/asm/atomic_32.h index 0d0395b1b152..1ad4a1f7d42b 100644 --- a/arch/tile/include/asm/atomic_32.h +++ b/arch/tile/include/asm/atomic_32.h @@ -80,7 +80,7 @@ static inline void atomic_set(atomic_t *v, int n) /* A 64bit atomic type */ typedef struct { - u64 __aligned(8) counter; + long long counter; } atomic64_t; #define ATOMIC64_INIT(val) { (val) } @@ -91,14 +91,14 @@ typedef struct { * * Atomically reads the value of @v. */ -static inline u64 atomic64_read(const atomic64_t *v) +static inline long long atomic64_read(const atomic64_t *v) { /* * Requires an atomic op to read both 32-bit parts consistently. * Casting away const is safe since the atomic support routines * do not write to memory if the value has not been modified. */ - return _atomic64_xchg_add((u64 *)&v->counter, 0); + return _atomic64_xchg_add((long long *)&v->counter, 0); } /** @@ -108,7 +108,7 @@ static inline u64 atomic64_read(const atomic64_t *v) * * Atomically adds @i to @v. */ -static inline void atomic64_add(u64 i, atomic64_t *v) +static inline void atomic64_add(long long i, atomic64_t *v) { _atomic64_xchg_add(&v->counter, i); } @@ -120,7 +120,7 @@ static inline void atomic64_add(u64 i, atomic64_t *v) * * Atomically adds @i to @v and returns @i + @v */ -static inline u64 atomic64_add_return(u64 i, atomic64_t *v) +static inline long long atomic64_add_return(long long i, atomic64_t *v) { smp_mb(); /* barrier for proper semantics */ return _atomic64_xchg_add(&v->counter, i) + i; @@ -135,7 +135,8 @@ static inline u64 atomic64_add_return(u64 i, atomic64_t *v) * Atomically adds @a to @v, so long as @v was not already @u. * Returns non-zero if @v was not @u, and zero otherwise. */ -static inline u64 atomic64_add_unless(atomic64_t *v, u64 a, u64 u) +static inline long long atomic64_add_unless(atomic64_t *v, long long a, + long long u) { smp_mb(); /* barrier for proper semantics */ return _atomic64_xchg_add_unless(&v->counter, a, u) != u; @@ -151,7 +152,7 @@ static inline u64 atomic64_add_unless(atomic64_t *v, u64 a, u64 u) * atomic64_set() can't be just a raw store, since it would be lost if it * fell between the load and store of one of the other atomic ops. */ -static inline void atomic64_set(atomic64_t *v, u64 n) +static inline void atomic64_set(atomic64_t *v, long long n) { _atomic64_xchg(&v->counter, n); } @@ -236,11 +237,13 @@ extern struct __get_user __atomic_xchg_add_unless(volatile int *p, extern struct __get_user __atomic_or(volatile int *p, int *lock, int n); extern struct __get_user __atomic_andn(volatile int *p, int *lock, int n); extern struct __get_user __atomic_xor(volatile int *p, int *lock, int n); -extern u64 __atomic64_cmpxchg(volatile u64 *p, int *lock, u64 o, u64 n); -extern u64 __atomic64_xchg(volatile u64 *p, int *lock, u64 n); -extern u64 __atomic64_xchg_add(volatile u64 *p, int *lock, u64 n); -extern u64 __atomic64_xchg_add_unless(volatile u64 *p, - int *lock, u64 o, u64 n); +extern long long __atomic64_cmpxchg(volatile long long *p, int *lock, + long long o, long long n); +extern long long __atomic64_xchg(volatile long long *p, int *lock, long long n); +extern long long __atomic64_xchg_add(volatile long long *p, int *lock, + long long n); +extern long long __atomic64_xchg_add_unless(volatile long long *p, + int *lock, long long o, long long n); /* Return failure from the atomic wrappers. */ struct __get_user __atomic_bad_address(int __user *addr); diff --git a/arch/tile/include/asm/cmpxchg.h b/arch/tile/include/asm/cmpxchg.h index 4001d5eab4bb..0ccda3c425be 100644 --- a/arch/tile/include/asm/cmpxchg.h +++ b/arch/tile/include/asm/cmpxchg.h @@ -35,10 +35,10 @@ int _atomic_xchg(int *ptr, int n); int _atomic_xchg_add(int *v, int i); int _atomic_xchg_add_unless(int *v, int a, int u); int _atomic_cmpxchg(int *ptr, int o, int n); -u64 _atomic64_xchg(u64 *v, u64 n); -u64 _atomic64_xchg_add(u64 *v, u64 i); -u64 _atomic64_xchg_add_unless(u64 *v, u64 a, u64 u); -u64 _atomic64_cmpxchg(u64 *v, u64 o, u64 n); +long long _atomic64_xchg(long long *v, long long n); +long long _atomic64_xchg_add(long long *v, long long i); +long long _atomic64_xchg_add_unless(long long *v, long long a, long long u); +long long _atomic64_cmpxchg(long long *v, long long o, long long n); #define xchg(ptr, n) \ ({ \ @@ -53,7 +53,8 @@ u64 _atomic64_cmpxchg(u64 *v, u64 o, u64 n); if (sizeof(*(ptr)) != 4) \ __cmpxchg_called_with_bad_pointer(); \ smp_mb(); \ - (typeof(*(ptr)))_atomic_cmpxchg((int *)ptr, (int)o, (int)n); \ + (typeof(*(ptr)))_atomic_cmpxchg((int *)ptr, (int)o, \ + (int)n); \ }) #define xchg64(ptr, n) \ @@ -61,7 +62,8 @@ u64 _atomic64_cmpxchg(u64 *v, u64 o, u64 n); if (sizeof(*(ptr)) != 8) \ __xchg_called_with_bad_pointer(); \ smp_mb(); \ - (typeof(*(ptr)))_atomic64_xchg((u64 *)(ptr), (u64)(n)); \ + (typeof(*(ptr)))_atomic64_xchg((long long *)(ptr), \ + (long long)(n)); \ }) #define cmpxchg64(ptr, o, n) \ @@ -69,7 +71,8 @@ u64 _atomic64_cmpxchg(u64 *v, u64 o, u64 n); if (sizeof(*(ptr)) != 8) \ __cmpxchg_called_with_bad_pointer(); \ smp_mb(); \ - (typeof(*(ptr)))_atomic64_cmpxchg((u64 *)ptr, (u64)o, (u64)n); \ + (typeof(*(ptr)))_atomic64_cmpxchg((long long *)ptr, \ + (long long)o, (long long)n); \ }) #else @@ -81,10 +84,11 @@ u64 _atomic64_cmpxchg(u64 *v, u64 o, u64 n); switch (sizeof(*(ptr))) { \ case 4: \ __x = (typeof(__x))(unsigned long) \ - __insn_exch4((ptr), (u32)(unsigned long)(n)); \ + __insn_exch4((ptr), \ + (u32)(unsigned long)(n)); \ break; \ case 8: \ - __x = (typeof(__x)) \ + __x = (typeof(__x)) \ __insn_exch((ptr), (unsigned long)(n)); \ break; \ default: \ @@ -103,10 +107,12 @@ u64 _atomic64_cmpxchg(u64 *v, u64 o, u64 n); switch (sizeof(*(ptr))) { \ case 4: \ __x = (typeof(__x))(unsigned long) \ - __insn_cmpexch4((ptr), (u32)(unsigned long)(n)); \ + __insn_cmpexch4((ptr), \ + (u32)(unsigned long)(n)); \ break; \ case 8: \ - __x = (typeof(__x))__insn_cmpexch((ptr), (u64)(n)); \ + __x = (typeof(__x))__insn_cmpexch((ptr), \ + (long long)(n)); \ break; \ default: \ __cmpxchg_called_with_bad_pointer(); \ diff --git a/arch/tile/include/asm/percpu.h b/arch/tile/include/asm/percpu.h index 63294f5a8efb..4f7ae39fa202 100644 --- a/arch/tile/include/asm/percpu.h +++ b/arch/tile/include/asm/percpu.h @@ -15,9 +15,37 @@ #ifndef _ASM_TILE_PERCPU_H #define _ASM_TILE_PERCPU_H -register unsigned long __my_cpu_offset __asm__("tp"); -#define __my_cpu_offset __my_cpu_offset -#define set_my_cpu_offset(tp) (__my_cpu_offset = (tp)) +register unsigned long my_cpu_offset_reg asm("tp"); + +#ifdef CONFIG_PREEMPT +/* + * For full preemption, we can't just use the register variable + * directly, since we need barrier() to hazard against it, causing the + * compiler to reload anything computed from a previous "tp" value. + * But we also don't want to use volatile asm, since we'd like the + * compiler to be able to cache the value across multiple percpu reads. + * So we use a fake stack read as a hazard against barrier(). + * The 'U' constraint is like 'm' but disallows postincrement. + */ +static inline unsigned long __my_cpu_offset(void) +{ + unsigned long tp; + register unsigned long *sp asm("sp"); + asm("move %0, tp" : "=r" (tp) : "U" (*sp)); + return tp; +} +#define __my_cpu_offset __my_cpu_offset() +#else +/* + * We don't need to hazard against barrier() since "tp" doesn't ever + * change with PREEMPT_NONE, and with PREEMPT_VOLUNTARY it only + * changes at function call points, at which we are already re-reading + * the value of "tp" due to "my_cpu_offset_reg" being a global variable. + */ +#define __my_cpu_offset my_cpu_offset_reg +#endif + +#define set_my_cpu_offset(tp) (my_cpu_offset_reg = (tp)) #include <asm-generic/percpu.h> diff --git a/arch/tile/kernel/hardwall.c b/arch/tile/kernel/hardwall.c index df27a1fd94a3..531f4c365351 100644 --- a/arch/tile/kernel/hardwall.c +++ b/arch/tile/kernel/hardwall.c @@ -66,7 +66,7 @@ static struct hardwall_type hardwall_types[] = { 0, "udn", LIST_HEAD_INIT(hardwall_types[HARDWALL_UDN].list), - __SPIN_LOCK_INITIALIZER(hardwall_types[HARDWALL_UDN].lock), + __SPIN_LOCK_UNLOCKED(hardwall_types[HARDWALL_UDN].lock), NULL }, #ifndef __tilepro__ @@ -77,7 +77,7 @@ static struct hardwall_type hardwall_types[] = { 1, /* disabled pending hypervisor support */ "idn", LIST_HEAD_INIT(hardwall_types[HARDWALL_IDN].list), - __SPIN_LOCK_INITIALIZER(hardwall_types[HARDWALL_IDN].lock), + __SPIN_LOCK_UNLOCKED(hardwall_types[HARDWALL_IDN].lock), NULL }, { /* access to user-space IPI */ @@ -87,7 +87,7 @@ static struct hardwall_type hardwall_types[] = { 0, "ipi", LIST_HEAD_INIT(hardwall_types[HARDWALL_IPI].list), - __SPIN_LOCK_INITIALIZER(hardwall_types[HARDWALL_IPI].lock), + __SPIN_LOCK_UNLOCKED(hardwall_types[HARDWALL_IPI].lock), NULL }, #endif diff --git a/arch/tile/kernel/intvec_32.S b/arch/tile/kernel/intvec_32.S index 088d5c141e68..2cbe6d5dd6b0 100644 --- a/arch/tile/kernel/intvec_32.S +++ b/arch/tile/kernel/intvec_32.S @@ -815,6 +815,9 @@ STD_ENTRY(interrupt_return) } bzt r28, 1f bnz r29, 1f + /* Disable interrupts explicitly for preemption. */ + IRQ_DISABLE(r20,r21) + TRACE_IRQS_OFF jal preempt_schedule_irq FEEDBACK_REENTER(interrupt_return) 1: diff --git a/arch/tile/kernel/intvec_64.S b/arch/tile/kernel/intvec_64.S index ec755d3f3734..b8fc497f2437 100644 --- a/arch/tile/kernel/intvec_64.S +++ b/arch/tile/kernel/intvec_64.S @@ -841,6 +841,9 @@ STD_ENTRY(interrupt_return) } beqzt r28, 1f bnez r29, 1f + /* Disable interrupts explicitly for preemption. */ + IRQ_DISABLE(r20,r21) + TRACE_IRQS_OFF jal preempt_schedule_irq FEEDBACK_REENTER(interrupt_return) 1: diff --git a/arch/tile/kernel/stack.c b/arch/tile/kernel/stack.c index 362284af3afd..c93977a62116 100644 --- a/arch/tile/kernel/stack.c +++ b/arch/tile/kernel/stack.c @@ -23,6 +23,7 @@ #include <linux/mmzone.h> #include <linux/dcache.h> #include <linux/fs.h> +#include <linux/string.h> #include <asm/backtrace.h> #include <asm/page.h> #include <asm/ucontext.h> @@ -332,21 +333,18 @@ static void describe_addr(struct KBacktraceIterator *kbt, } if (vma->vm_file) { - char *s; p = d_path(&vma->vm_file->f_path, buf, bufsize); if (IS_ERR(p)) p = "?"; - s = strrchr(p, '/'); - if (s) - p = s+1; + name = kbasename(p); } else { - p = "anon"; + name = "anon"; } /* Generate a string description of the vma info. */ - namelen = strlen(p); + namelen = strlen(name); remaining = (bufsize - 1) - namelen; - memmove(buf, p, namelen); + memmove(buf, name, namelen); snprintf(buf + namelen, remaining, "[%lx+%lx] ", vma->vm_start, vma->vm_end - vma->vm_start); } diff --git a/arch/tile/lib/atomic_32.c b/arch/tile/lib/atomic_32.c index 759efa337be8..c89b211fd9e7 100644 --- a/arch/tile/lib/atomic_32.c +++ b/arch/tile/lib/atomic_32.c @@ -107,19 +107,19 @@ unsigned long _atomic_xor(volatile unsigned long *p, unsigned long mask) EXPORT_SYMBOL(_atomic_xor); -u64 _atomic64_xchg(u64 *v, u64 n) +long long _atomic64_xchg(long long *v, long long n) { return __atomic64_xchg(v, __atomic_setup(v), n); } EXPORT_SYMBOL(_atomic64_xchg); -u64 _atomic64_xchg_add(u64 *v, u64 i) +long long _atomic64_xchg_add(long long *v, long long i) { return __atomic64_xchg_add(v, __atomic_setup(v), i); } EXPORT_SYMBOL(_atomic64_xchg_add); -u64 _atomic64_xchg_add_unless(u64 *v, u64 a, u64 u) +long long _atomic64_xchg_add_unless(long long *v, long long a, long long u) { /* * Note: argument order is switched here since it is easier @@ -130,7 +130,7 @@ u64 _atomic64_xchg_add_unless(u64 *v, u64 a, u64 u) } EXPORT_SYMBOL(_atomic64_xchg_add_unless); -u64 _atomic64_cmpxchg(u64 *v, u64 o, u64 n) +long long _atomic64_cmpxchg(long long *v, long long o, long long n) { return __atomic64_cmpxchg(v, __atomic_setup(v), o, n); } diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index ee2fb9d37745..f67e839f06c8 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -860,7 +860,7 @@ source "kernel/Kconfig.preempt" config X86_UP_APIC bool "Local APIC support on uniprocessors" - depends on X86_32 && !SMP && !X86_32_NON_STANDARD + depends on X86_32 && !SMP && !X86_32_NON_STANDARD && !PCI_MSI ---help--- A local APIC (Advanced Programmable Interrupt Controller) is an integrated interrupt controller in the CPU. If you have a single-CPU @@ -885,11 +885,11 @@ config X86_UP_IOAPIC config X86_LOCAL_APIC def_bool y - depends on X86_64 || SMP || X86_32_NON_STANDARD || X86_UP_APIC + depends on X86_64 || SMP || X86_32_NON_STANDARD || X86_UP_APIC || PCI_MSI config X86_IO_APIC def_bool y - depends on X86_64 || SMP || X86_32_NON_STANDARD || X86_UP_IOAPIC + depends on X86_64 || SMP || X86_32_NON_STANDARD || X86_UP_IOAPIC || PCI_MSI config X86_VISWS_APIC def_bool y @@ -1033,6 +1033,7 @@ config X86_REBOOTFIXUPS config MICROCODE tristate "CPU microcode loading support" + depends on CPU_SUP_AMD || CPU_SUP_INTEL select FW_LOADER ---help--- diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h index d3f5c63078d8..89270b4318db 100644 --- a/arch/x86/include/asm/cpufeature.h +++ b/arch/x86/include/asm/cpufeature.h @@ -374,7 +374,7 @@ static __always_inline __pure bool __static_cpu_has(u16 bit) * Catch too early usage of this before alternatives * have run. */ - asm goto("1: jmp %l[t_warn]\n" + asm_volatile_goto("1: jmp %l[t_warn]\n" "2:\n" ".section .altinstructions,\"a\"\n" " .long 1b - .\n" @@ -388,7 +388,7 @@ static __always_inline __pure bool __static_cpu_has(u16 bit) #endif - asm goto("1: jmp %l[t_no]\n" + asm_volatile_goto("1: jmp %l[t_no]\n" "2:\n" ".section .altinstructions,\"a\"\n" " .long 1b - .\n" @@ -453,7 +453,7 @@ static __always_inline __pure bool _static_cpu_has_safe(u16 bit) * have. Thus, we force the jump to the widest, 4-byte, signed relative * offset even though the last would often fit in less bytes. */ - asm goto("1: .byte 0xe9\n .long %l[t_dynamic] - 2f\n" + asm_volatile_goto("1: .byte 0xe9\n .long %l[t_dynamic] - 2f\n" "2:\n" ".section .altinstructions,\"a\"\n" " .long 1b - .\n" /* src offset */ diff --git a/arch/x86/include/asm/jump_label.h b/arch/x86/include/asm/jump_label.h index 64507f35800c..6a2cefb4395a 100644 --- a/arch/x86/include/asm/jump_label.h +++ b/arch/x86/include/asm/jump_label.h @@ -18,7 +18,7 @@ static __always_inline bool arch_static_branch(struct static_key *key) { - asm goto("1:" + asm_volatile_goto("1:" ".byte " __stringify(STATIC_KEY_INIT_NOP) "\n\t" ".pushsection __jump_table, \"aw\" \n\t" _ASM_ALIGN "\n\t" diff --git a/arch/x86/include/asm/mutex_64.h b/arch/x86/include/asm/mutex_64.h index e7e6751648ed..07537a44216e 100644 --- a/arch/x86/include/asm/mutex_64.h +++ b/arch/x86/include/asm/mutex_64.h @@ -20,7 +20,7 @@ static inline void __mutex_fastpath_lock(atomic_t *v, void (*fail_fn)(atomic_t *)) { - asm volatile goto(LOCK_PREFIX " decl %0\n" + asm_volatile_goto(LOCK_PREFIX " decl %0\n" " jns %l[exit]\n" : : "m" (v->counter) : "memory", "cc" @@ -75,7 +75,7 @@ static inline int __mutex_fastpath_lock_retval(atomic_t *count) static inline void __mutex_fastpath_unlock(atomic_t *v, void (*fail_fn)(atomic_t *)) { - asm volatile goto(LOCK_PREFIX " incl %0\n" + asm_volatile_goto(LOCK_PREFIX " incl %0\n" " jg %l[exit]\n" : : "m" (v->counter) : "memory", "cc" diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c index 1191ac1c9d25..a419814cea57 100644 --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -113,7 +113,7 @@ static int __init early_get_pnodeid(void) break; case UV3_HUB_PART_NUMBER: case UV3_HUB_PART_NUMBER_X: - uv_min_hub_revision_id += UV3_HUB_REVISION_BASE - 1; + uv_min_hub_revision_id += UV3_HUB_REVISION_BASE; break; } diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c index 897783b3302a..9d8449158cf9 100644 --- a/arch/x86/kernel/cpu/perf_event.c +++ b/arch/x86/kernel/cpu/perf_event.c @@ -1888,10 +1888,7 @@ void arch_perf_update_userpage(struct perf_event_mmap_page *userpg, u64 now) userpg->cap_user_rdpmc = x86_pmu.attr_rdpmc; userpg->pmc_width = x86_pmu.cntval_bits; - if (!boot_cpu_has(X86_FEATURE_CONSTANT_TSC)) - return; - - if (!boot_cpu_has(X86_FEATURE_NONSTOP_TSC)) + if (!sched_clock_stable) return; userpg->cap_user_time = 1; @@ -1899,10 +1896,8 @@ void arch_perf_update_userpage(struct perf_event_mmap_page *userpg, u64 now) userpg->time_shift = CYC2NS_SCALE_FACTOR; userpg->time_offset = this_cpu_read(cyc2ns_offset) - now; - if (sched_clock_stable && !check_tsc_disabled()) { - userpg->cap_user_time_zero = 1; - userpg->time_zero = this_cpu_read(cyc2ns_offset); - } + userpg->cap_user_time_zero = 1; + userpg->time_zero = this_cpu_read(cyc2ns_offset); } /* diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c index 697b93af02dd..a0e2a8a80c94 100644 --- a/arch/x86/kernel/kvm.c +++ b/arch/x86/kernel/kvm.c @@ -775,11 +775,22 @@ void __init kvm_spinlock_init(void) if (!kvm_para_has_feature(KVM_FEATURE_PV_UNHALT)) return; - printk(KERN_INFO "KVM setup paravirtual spinlock\n"); + pv_lock_ops.lock_spinning = PV_CALLEE_SAVE(kvm_lock_spinning); + pv_lock_ops.unlock_kick = kvm_unlock_kick; +} + +static __init int kvm_spinlock_init_jump(void) +{ + if (!kvm_para_available()) + return 0; + if (!kvm_para_has_feature(KVM_FEATURE_PV_UNHALT)) + return 0; static_key_slow_inc(¶virt_ticketlocks_enabled); + printk(KERN_INFO "KVM setup paravirtual spinlock\n"); - pv_lock_ops.lock_spinning = PV_CALLEE_SAVE(kvm_lock_spinning); - pv_lock_ops.unlock_kick = kvm_unlock_kick; + return 0; } +early_initcall(kvm_spinlock_init_jump); + #endif /* CONFIG_PARAVIRT_SPINLOCKS */ diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c index e643e744e4d8..7e920bff99a3 100644 --- a/arch/x86/kernel/reboot.c +++ b/arch/x86/kernel/reboot.c @@ -326,6 +326,14 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "Latitude E6320"), }, }, + { /* Handle problems with rebooting on the Latitude E5410. */ + .callback = set_pci_reboot, + .ident = "Dell Latitude E5410", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Latitude E5410"), + }, + }, { /* Handle problems with rebooting on the Latitude E5420. */ .callback = set_pci_reboot, .ident = "Dell Latitude E5420", diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 3b8e7459dd4d..2b2fce1b2009 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -3255,25 +3255,29 @@ static void vmx_decache_cr4_guest_bits(struct kvm_vcpu *vcpu) static void ept_load_pdptrs(struct kvm_vcpu *vcpu) { + struct kvm_mmu *mmu = vcpu->arch.walk_mmu; + if (!test_bit(VCPU_EXREG_PDPTR, (unsigned long *)&vcpu->arch.regs_dirty)) return; if (is_paging(vcpu) && is_pae(vcpu) && !is_long_mode(vcpu)) { - vmcs_write64(GUEST_PDPTR0, vcpu->arch.mmu.pdptrs[0]); - vmcs_write64(GUEST_PDPTR1, vcpu->arch.mmu.pdptrs[1]); - vmcs_write64(GUEST_PDPTR2, vcpu->arch.mmu.pdptrs[2]); - vmcs_write64(GUEST_PDPTR3, vcpu->arch.mmu.pdptrs[3]); + vmcs_write64(GUEST_PDPTR0, mmu->pdptrs[0]); + vmcs_write64(GUEST_PDPTR1, mmu->pdptrs[1]); + vmcs_write64(GUEST_PDPTR2, mmu->pdptrs[2]); + vmcs_write64(GUEST_PDPTR3, mmu->pdptrs[3]); } } static void ept_save_pdptrs(struct kvm_vcpu *vcpu) { + struct kvm_mmu *mmu = vcpu->arch.walk_mmu; + if (is_paging(vcpu) && is_pae(vcpu) && !is_long_mode(vcpu)) { - vcpu->arch.mmu.pdptrs[0] = vmcs_read64(GUEST_PDPTR0); - vcpu->arch.mmu.pdptrs[1] = vmcs_read64(GUEST_PDPTR1); - vcpu->arch.mmu.pdptrs[2] = vmcs_read64(GUEST_PDPTR2); - vcpu->arch.mmu.pdptrs[3] = vmcs_read64(GUEST_PDPTR3); + mmu->pdptrs[0] = vmcs_read64(GUEST_PDPTR0); + mmu->pdptrs[1] = vmcs_read64(GUEST_PDPTR1); + mmu->pdptrs[2] = vmcs_read64(GUEST_PDPTR2); + mmu->pdptrs[3] = vmcs_read64(GUEST_PDPTR3); } __set_bit(VCPU_EXREG_PDPTR, @@ -7777,10 +7781,6 @@ static void prepare_vmcs02(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12) vmcs_write64(GUEST_PDPTR1, vmcs12->guest_pdptr1); vmcs_write64(GUEST_PDPTR2, vmcs12->guest_pdptr2); vmcs_write64(GUEST_PDPTR3, vmcs12->guest_pdptr3); - __clear_bit(VCPU_EXREG_PDPTR, - (unsigned long *)&vcpu->arch.regs_avail); - __clear_bit(VCPU_EXREG_PDPTR, - (unsigned long *)&vcpu->arch.regs_dirty); } kvm_register_write(vcpu, VCPU_REGS_RSP, vmcs12->guest_rsp); diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c index d1e4777b4e75..31d04758b76f 100644 --- a/arch/x86/xen/smp.c +++ b/arch/x86/xen/smp.c @@ -278,6 +278,15 @@ static void __init xen_smp_prepare_boot_cpu(void) old memory can be recycled */ make_lowmem_page_readwrite(xen_initial_gdt); +#ifdef CONFIG_X86_32 + /* + * Xen starts us with XEN_FLAT_RING1_DS, but linux code + * expects __USER_DS + */ + loadsegment(ds, __USER_DS); + loadsegment(es, __USER_DS); +#endif + xen_filter_cpu_maps(); xen_setup_vcpu_info_placement(); } diff --git a/block/partitions/efi.c b/block/partitions/efi.c index 1eb09ee5311b..a8287b49d062 100644 --- a/block/partitions/efi.c +++ b/block/partitions/efi.c @@ -222,11 +222,16 @@ check_hybrid: * the disk size. * * Hybrid MBRs do not necessarily comply with this. + * + * Consider a bad value here to be a warning to support dd'ing + * an image from a smaller disk to a larger disk. */ if (ret == GPT_MBR_PROTECTIVE) { sz = le32_to_cpu(mbr->partition_record[part].size_in_lba); if (sz != (uint32_t) total_sectors - 1 && sz != 0xFFFFFFFF) - ret = 0; + pr_debug("GPT: mbr size in lba (%u) different than whole disk (%u).\n", + sz, min_t(uint32_t, + total_sectors - 1, 0xFFFFFFFF)); } done: return ret; diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 22327e6a7236..6efe2ac6902f 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -24,7 +24,7 @@ menuconfig ACPI are configured, ACPI is used. The project home page for the Linux ACPI subsystem is here: - <http://www.lesswatts.org/projects/acpi/> + <https://01.org/linux-acpi> Linux support for ACPI is based on Intel Corporation's ACPI Component Architecture (ACPI CA). For more information on the @@ -123,9 +123,9 @@ config ACPI_BUTTON default y help This driver handles events on the power, sleep, and lid buttons. - A daemon reads /proc/acpi/event and perform user-defined actions - such as shutting down the system. This is necessary for - software-controlled poweroff. + A daemon reads events from input devices or via netlink and + performs user-defined actions such as shutting down the system. + This is necessary for software-controlled poweroff. To compile this driver as a module, choose M here: the module will be called button. diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c index 59d3202f6b36..a94383d1f350 100644 --- a/drivers/acpi/device_pm.c +++ b/drivers/acpi/device_pm.c @@ -1025,60 +1025,4 @@ void acpi_dev_pm_detach(struct device *dev, bool power_off) } } EXPORT_SYMBOL_GPL(acpi_dev_pm_detach); - -/** - * acpi_dev_pm_add_dependent - Add physical device depending for PM. - * @handle: Handle of ACPI device node. - * @depdev: Device depending on that node for PM. - */ -void acpi_dev_pm_add_dependent(acpi_handle handle, struct device *depdev) -{ - struct acpi_device_physical_node *dep; - struct acpi_device *adev; - - if (!depdev || acpi_bus_get_device(handle, &adev)) - return; - - mutex_lock(&adev->physical_node_lock); - - list_for_each_entry(dep, &adev->power_dependent, node) - if (dep->dev == depdev) - goto out; - - dep = kzalloc(sizeof(*dep), GFP_KERNEL); - if (dep) { - dep->dev = depdev; - list_add_tail(&dep->node, &adev->power_dependent); - } - - out: - mutex_unlock(&adev->physical_node_lock); -} -EXPORT_SYMBOL_GPL(acpi_dev_pm_add_dependent); - -/** - * acpi_dev_pm_remove_dependent - Remove physical device depending for PM. - * @handle: Handle of ACPI device node. - * @depdev: Device depending on that node for PM. - */ -void acpi_dev_pm_remove_dependent(acpi_handle handle, struct device *depdev) -{ - struct acpi_device_physical_node *dep; - struct acpi_device *adev; - - if (!depdev || acpi_bus_get_device(handle, &adev)) - return; - - mutex_lock(&adev->physical_node_lock); - - list_for_each_entry(dep, &adev->power_dependent, node) - if (dep->dev == depdev) { - list_del(&dep->node); - kfree(dep); - break; - } - - mutex_unlock(&adev->physical_node_lock); -} -EXPORT_SYMBOL_GPL(acpi_dev_pm_remove_dependent); #endif /* CONFIG_PM */ diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c index 0dbe5cdf3396..c2ad391d8041 100644 --- a/drivers/acpi/power.c +++ b/drivers/acpi/power.c @@ -59,16 +59,9 @@ ACPI_MODULE_NAME("power"); #define ACPI_POWER_RESOURCE_STATE_ON 0x01 #define ACPI_POWER_RESOURCE_STATE_UNKNOWN 0xFF -struct acpi_power_dependent_device { - struct list_head node; - struct acpi_device *adev; - struct work_struct work; -}; - struct acpi_power_resource { struct acpi_device device; struct list_head list_node; - struct list_head dependent; char *name; u32 system_level; u32 order; @@ -233,32 +226,6 @@ static int acpi_power_get_list_state(struct list_head *list, int *state) return 0; } -static void acpi_power_resume_dependent(struct work_struct *work) -{ - struct acpi_power_dependent_device *dep; - struct acpi_device_physical_node *pn; - struct acpi_device *adev; - int state; - - dep = container_of(work, struct acpi_power_dependent_device, work); - adev = dep->adev; - if (acpi_power_get_inferred_state(adev, &state)) - return; - - if (state > ACPI_STATE_D0) - return; - - mutex_lock(&adev->physical_node_lock); - - list_for_each_entry(pn, &adev->physical_node_list, node) - pm_request_resume(pn->dev); - - list_for_each_entry(pn, &adev->power_dependent, node) - pm_request_resume(pn->dev); - - mutex_unlock(&adev->physical_node_lock); -} - static int __acpi_power_on(struct acpi_power_resource *resource) { acpi_status status = AE_OK; @@ -283,14 +250,8 @@ static int acpi_power_on_unlocked(struct acpi_power_resource *resource) resource->name)); } else { result = __acpi_power_on(resource); - if (result) { + if (result) resource->ref_count--; - } else { - struct acpi_power_dependent_device *dep; - - list_for_each_entry(dep, &resource->dependent, node) - schedule_work(&dep->work); - } } return result; } @@ -390,52 +351,6 @@ static int acpi_power_on_list(struct list_head *list) return result; } -static void acpi_power_add_dependent(struct acpi_power_resource *resource, - struct acpi_device *adev) -{ - struct acpi_power_dependent_device *dep; - - mutex_lock(&resource->resource_lock); - - list_for_each_entry(dep, &resource->dependent, node) - if (dep->adev == adev) - goto out; - - dep = kzalloc(sizeof(*dep), GFP_KERNEL); - if (!dep) - goto out; - - dep->adev = adev; - INIT_WORK(&dep->work, acpi_power_resume_dependent); - list_add_tail(&dep->node, &resource->dependent); - - out: - mutex_unlock(&resource->resource_lock); -} - -static void acpi_power_remove_dependent(struct acpi_power_resource *resource, - struct acpi_device *adev) -{ - struct acpi_power_dependent_device *dep; - struct work_struct *work = NULL; - - mutex_lock(&resource->resource_lock); - - list_for_each_entry(dep, &resource->dependent, node) - if (dep->adev == adev) { - list_del(&dep->node); - work = &dep->work; - break; - } - - mutex_unlock(&resource->resource_lock); - - if (work) { - cancel_work_sync(work); - kfree(dep); - } -} - static struct attribute *attrs[] = { NULL, }; @@ -524,8 +439,6 @@ static void acpi_power_expose_hide(struct acpi_device *adev, void acpi_power_add_remove_device(struct acpi_device *adev, bool add) { - struct acpi_device_power_state *ps; - struct acpi_power_resource_entry *entry; int state; if (adev->wakeup.flags.valid) @@ -535,16 +448,6 @@ void acpi_power_add_remove_device(struct acpi_device *adev, bool add) if (!adev->power.flags.power_resources) return; - ps = &adev->power.states[ACPI_STATE_D0]; - list_for_each_entry(entry, &ps->resources, node) { - struct acpi_power_resource *resource = entry->resource; - - if (add) - acpi_power_add_dependent(resource, adev); - else - acpi_power_remove_dependent(resource, adev); - } - for (state = ACPI_STATE_D0; state <= ACPI_STATE_D3_HOT; state++) acpi_power_expose_hide(adev, &adev->power.states[state].resources, @@ -882,7 +785,6 @@ int acpi_add_power_resource(acpi_handle handle) acpi_init_device_object(device, handle, ACPI_BUS_TYPE_POWER, ACPI_STA_DEFAULT); mutex_init(&resource->resource_lock); - INIT_LIST_HEAD(&resource->dependent); INIT_LIST_HEAD(&resource->list_node); resource->name = device->pnp.bus_id; strcpy(acpi_device_name(device), ACPI_POWER_DEVICE_NAME); @@ -936,8 +838,10 @@ void acpi_resume_power_resources(void) mutex_lock(&resource->resource_lock); result = acpi_power_get_state(resource->device.handle, &state); - if (result) + if (result) { + mutex_unlock(&resource->resource_lock); continue; + } if (state == ACPI_POWER_RESOURCE_STATE_OFF && resource->ref_count) { diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 407ad13cac2f..fee8a297c7d9 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -999,7 +999,6 @@ int acpi_device_add(struct acpi_device *device, INIT_LIST_HEAD(&device->wakeup_list); INIT_LIST_HEAD(&device->physical_node_list); mutex_init(&device->physical_node_lock); - INIT_LIST_HEAD(&device->power_dependent); new_bus_id = kzalloc(sizeof(struct acpi_device_bus_id), GFP_KERNEL); if (!new_bus_id) { diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c index 4ba8b0405572..ab714d2ad978 100644 --- a/drivers/ata/libata-acpi.c +++ b/drivers/ata/libata-acpi.c @@ -1035,17 +1035,3 @@ void ata_acpi_on_disable(struct ata_device *dev) { ata_acpi_clear_gtf(dev); } - -void ata_scsi_acpi_bind(struct ata_device *dev) -{ - acpi_handle handle = ata_dev_acpi_handle(dev); - if (handle) - acpi_dev_pm_add_dependent(handle, &dev->sdev->sdev_gendev); -} - -void ata_scsi_acpi_unbind(struct ata_device *dev) -{ - acpi_handle handle = ata_dev_acpi_handle(dev); - if (handle) - acpi_dev_pm_remove_dependent(handle, &dev->sdev->sdev_gendev); -} diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 97a0cef12959..db6dfcfa3e2e 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -3679,7 +3679,6 @@ void ata_scsi_scan_host(struct ata_port *ap, int sync) if (!IS_ERR(sdev)) { dev->sdev = sdev; scsi_device_put(sdev); - ata_scsi_acpi_bind(dev); } else { dev->sdev = NULL; } @@ -3767,8 +3766,6 @@ static void ata_scsi_remove_dev(struct ata_device *dev) struct scsi_device *sdev; unsigned long flags; - ata_scsi_acpi_unbind(dev); - /* Alas, we need to grab scan_mutex to ensure SCSI device * state doesn't change underneath us and thus * scsi_device_get() always succeeds. The mutex locking can diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h index eeeb77845d48..45b5ab3a95d5 100644 --- a/drivers/ata/libata.h +++ b/drivers/ata/libata.h @@ -121,8 +121,6 @@ extern void ata_acpi_set_state(struct ata_port *ap, pm_message_t state); extern void ata_acpi_bind_port(struct ata_port *ap); extern void ata_acpi_bind_dev(struct ata_device *dev); extern acpi_handle ata_dev_acpi_handle(struct ata_device *dev); -extern void ata_scsi_acpi_bind(struct ata_device *dev); -extern void ata_scsi_acpi_unbind(struct ata_device *dev); #else static inline void ata_acpi_dissociate(struct ata_host *host) { } static inline int ata_acpi_on_suspend(struct ata_port *ap) { return 0; } @@ -133,8 +131,6 @@ static inline void ata_acpi_set_state(struct ata_port *ap, pm_message_t state) { } static inline void ata_acpi_bind_port(struct ata_port *ap) {} static inline void ata_acpi_bind_dev(struct ata_device *dev) {} -static inline void ata_scsi_acpi_bind(struct ata_device *dev) {} -static inline void ata_scsi_acpi_unbind(struct ata_device *dev) {} #endif /* libata-scsi.c */ diff --git a/drivers/base/memory.c b/drivers/base/memory.c index 9e59f6535c44..bece691cb5d9 100644 --- a/drivers/base/memory.c +++ b/drivers/base/memory.c @@ -333,8 +333,10 @@ store_mem_state(struct device *dev, online_type = ONLINE_KEEP; else if (!strncmp(buf, "offline", min_t(int, count, 7))) online_type = -1; - else - return -EINVAL; + else { + ret = -EINVAL; + goto err; + } switch (online_type) { case ONLINE_KERNEL: @@ -357,6 +359,7 @@ store_mem_state(struct device *dev, ret = -EINVAL; /* should never happen */ } +err: unlock_device_hotplug(); if (ret) diff --git a/drivers/char/random.c b/drivers/char/random.c index 7737b5bd26af..7a744d391756 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -640,7 +640,7 @@ struct timer_rand_state { */ void add_device_randomness(const void *buf, unsigned int size) { - unsigned long time = get_cycles() ^ jiffies; + unsigned long time = random_get_entropy() ^ jiffies; mix_pool_bytes(&input_pool, buf, size, NULL); mix_pool_bytes(&input_pool, &time, sizeof(time), NULL); @@ -677,7 +677,7 @@ static void add_timer_randomness(struct timer_rand_state *state, unsigned num) goto out; sample.jiffies = jiffies; - sample.cycles = get_cycles(); + sample.cycles = random_get_entropy(); sample.num = num; mix_pool_bytes(&input_pool, &sample, sizeof(sample), NULL); @@ -744,7 +744,7 @@ void add_interrupt_randomness(int irq, int irq_flags) struct fast_pool *fast_pool = &__get_cpu_var(irq_randomness); struct pt_regs *regs = get_irq_regs(); unsigned long now = jiffies; - __u32 input[4], cycles = get_cycles(); + __u32 input[4], cycles = random_get_entropy(); input[0] = cycles ^ jiffies; input[1] = irq; @@ -1459,12 +1459,11 @@ struct ctl_table random_table[] = { static u32 random_int_secret[MD5_MESSAGE_BYTES / 4] ____cacheline_aligned; -static int __init random_int_secret_init(void) +int random_int_secret_init(void) { get_random_bytes(random_int_secret, sizeof(random_int_secret)); return 0; } -late_initcall(random_int_secret_init); /* * Get a random word for internal kernel use only. Similar to urandom but @@ -1483,7 +1482,7 @@ unsigned int get_random_int(void) hash = get_cpu_var(get_random_int_hash); - hash[0] += current->pid + jiffies + get_cycles(); + hash[0] += current->pid + jiffies + random_get_entropy(); md5_transform(hash, random_int_secret); ret = hash[0]; put_cpu_var(get_random_int_hash); diff --git a/drivers/char/tpm/xen-tpmfront.c b/drivers/char/tpm/xen-tpmfront.c index 06189e55b4e5..94c280d36e8b 100644 --- a/drivers/char/tpm/xen-tpmfront.c +++ b/drivers/char/tpm/xen-tpmfront.c @@ -10,6 +10,7 @@ #include <linux/errno.h> #include <linux/err.h> #include <linux/interrupt.h> +#include <xen/xen.h> #include <xen/events.h> #include <xen/interface/io/tpmif.h> #include <xen/grant_table.h> diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 32b3479a2405..badf6206b2b2 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -383,6 +383,7 @@ static void intel_pstate_get_min_max(struct cpudata *cpu, int *min, int *max) static void intel_pstate_set_pstate(struct cpudata *cpu, int pstate) { int max_perf, min_perf; + u64 val; intel_pstate_get_min_max(cpu, &min_perf, &max_perf); @@ -394,11 +395,11 @@ static void intel_pstate_set_pstate(struct cpudata *cpu, int pstate) trace_cpu_frequency(pstate * 100000, cpu->cpu); cpu->pstate.current_pstate = pstate; + val = pstate << 8; if (limits.no_turbo) - wrmsrl(MSR_IA32_PERF_CTL, BIT(32) | (pstate << 8)); - else - wrmsrl(MSR_IA32_PERF_CTL, pstate << 8); + val |= (u64)1 << 32; + wrmsrl(MSR_IA32_PERF_CTL, val); } static inline void intel_pstate_pstate_increase(struct cpudata *cpu, int steps) @@ -637,8 +638,8 @@ static int intel_pstate_cpu_exit(struct cpufreq_policy *policy) static int intel_pstate_cpu_init(struct cpufreq_policy *policy) { - int rc, min_pstate, max_pstate; struct cpudata *cpu; + int rc; rc = intel_pstate_init_cpu(policy->cpu); if (rc) @@ -652,9 +653,8 @@ static int intel_pstate_cpu_init(struct cpufreq_policy *policy) else policy->policy = CPUFREQ_POLICY_POWERSAVE; - intel_pstate_get_min_max(cpu, &min_pstate, &max_pstate); - policy->min = min_pstate * 100000; - policy->max = max_pstate * 100000; + policy->min = cpu->pstate.min_pstate * 100000; + policy->max = cpu->pstate.turbo_pstate * 100000; /* cpuinfo and default policy values */ policy->cpuinfo.min_freq = cpu->pstate.min_pstate * 100000; diff --git a/drivers/cpufreq/s3c64xx-cpufreq.c b/drivers/cpufreq/s3c64xx-cpufreq.c index 8a72b0c555f8..15631f92ab7d 100644 --- a/drivers/cpufreq/s3c64xx-cpufreq.c +++ b/drivers/cpufreq/s3c64xx-cpufreq.c @@ -166,7 +166,7 @@ static void __init s3c64xx_cpufreq_config_regulator(void) if (freq->frequency == CPUFREQ_ENTRY_INVALID) continue; - dvfs = &s3c64xx_dvfs_table[freq->index]; + dvfs = &s3c64xx_dvfs_table[freq->driver_data]; found = 0; for (i = 0; i < count; i++) { diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c index 098a8da450f0..3519111c566b 100644 --- a/drivers/dma/edma.c +++ b/drivers/dma/edma.c @@ -306,6 +306,7 @@ static struct dma_async_tx_descriptor *edma_prep_slave_sg( EDMA_SLOT_ANY); if (echan->slot[i] < 0) { dev_err(dev, "Failed to allocate slot\n"); + kfree(edesc); return NULL; } } diff --git a/drivers/dma/sh/rcar-hpbdma.c b/drivers/dma/sh/rcar-hpbdma.c index 45a520281ce1..ebad84591a6e 100644 --- a/drivers/dma/sh/rcar-hpbdma.c +++ b/drivers/dma/sh/rcar-hpbdma.c @@ -93,6 +93,7 @@ struct hpb_dmae_chan { void __iomem *base; const struct hpb_dmae_slave_config *cfg; char dev_id[16]; /* unique name per DMAC of channel */ + dma_addr_t slave_addr; }; struct hpb_dmae_device { @@ -432,7 +433,6 @@ hpb_dmae_alloc_chan_resources(struct hpb_dmae_chan *hpb_chan, hpb_chan->xfer_mode = XFER_DOUBLE; } else { dev_err(hpb_chan->shdma_chan.dev, "DCR setting error"); - shdma_free_irq(&hpb_chan->shdma_chan); return -EINVAL; } @@ -446,7 +446,8 @@ hpb_dmae_alloc_chan_resources(struct hpb_dmae_chan *hpb_chan, return 0; } -static int hpb_dmae_set_slave(struct shdma_chan *schan, int slave_id, bool try) +static int hpb_dmae_set_slave(struct shdma_chan *schan, int slave_id, + dma_addr_t slave_addr, bool try) { struct hpb_dmae_chan *chan = to_chan(schan); const struct hpb_dmae_slave_config *sc = @@ -457,6 +458,7 @@ static int hpb_dmae_set_slave(struct shdma_chan *schan, int slave_id, bool try) if (try) return 0; chan->cfg = sc; + chan->slave_addr = slave_addr ? : sc->addr; return hpb_dmae_alloc_chan_resources(chan, sc); } @@ -468,7 +470,7 @@ static dma_addr_t hpb_dmae_slave_addr(struct shdma_chan *schan) { struct hpb_dmae_chan *chan = to_chan(schan); - return chan->cfg->addr; + return chan->slave_addr; } static struct shdma_desc *hpb_dmae_embedded_desc(void *buf, int i) @@ -614,7 +616,6 @@ static void hpb_dmae_chan_remove(struct hpb_dmae_device *hpbdev) shdma_for_each_chan(schan, &hpbdev->shdma_dev, i) { BUG_ON(!schan); - shdma_free_irq(schan); shdma_chan_remove(schan); } dma_dev->chancnt = 0; diff --git a/drivers/gpio/gpio-lynxpoint.c b/drivers/gpio/gpio-lynxpoint.c index 2d9ca6055e5e..41b5913ddabe 100644 --- a/drivers/gpio/gpio-lynxpoint.c +++ b/drivers/gpio/gpio-lynxpoint.c @@ -248,14 +248,15 @@ static void lp_gpio_irq_handler(unsigned irq, struct irq_desc *desc) struct lp_gpio *lg = irq_data_get_irq_handler_data(data); struct irq_chip *chip = irq_data_get_irq_chip(data); u32 base, pin, mask; - unsigned long reg, pending; + unsigned long reg, ena, pending; unsigned virq; /* check from GPIO controller which pin triggered the interrupt */ for (base = 0; base < lg->chip.ngpio; base += 32) { reg = lp_gpio_reg(&lg->chip, base, LP_INT_STAT); + ena = lp_gpio_reg(&lg->chip, base, LP_INT_ENABLE); - while ((pending = inl(reg))) { + while ((pending = (inl(reg) & inl(ena)))) { pin = __ffs(pending); mask = BIT(pin); /* Clear before handling so we don't lose an edge */ diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 86ef3461ec06..0dee0e0c247a 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -136,7 +136,7 @@ static struct gpio_desc *gpio_to_desc(unsigned gpio) */ static int desc_to_gpio(const struct gpio_desc *desc) { - return desc->chip->base + gpio_chip_hwgpio(desc); + return desc - &gpio_desc[0]; } @@ -1398,7 +1398,7 @@ static int gpiod_request(struct gpio_desc *desc, const char *label) int status = -EPROBE_DEFER; unsigned long flags; - if (!desc || !desc->chip) { + if (!desc) { pr_warn("%s: invalid GPIO\n", __func__); return -EINVAL; } @@ -1406,6 +1406,8 @@ static int gpiod_request(struct gpio_desc *desc, const char *label) spin_lock_irqsave(&gpio_lock, flags); chip = desc->chip; + if (chip == NULL) + goto done; if (!try_module_get(chip->owner)) goto done; diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 1688ff500513..830f7501cb4d 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -2925,6 +2925,8 @@ int drm_edid_to_speaker_allocation(struct edid *edid, u8 **sadb) /* Speaker Allocation Data Block */ if (dbl == 3) { *sadb = kmalloc(dbl, GFP_KERNEL); + if (!*sadb) + return -ENOMEM; memcpy(*sadb, &db[1], dbl); count = dbl; break; diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index f6f6cc7fc133..3d13ca6e257f 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -416,14 +416,6 @@ static void drm_fb_helper_dpms(struct fb_info *info, int dpms_mode) return; /* - * fbdev->blank can be called from irq context in case of a panic. - * Since we already have our own special panic handler which will - * restore the fbdev console mode completely, just bail out early. - */ - if (oops_in_progress) - return; - - /* * For each CRTC in this fb, turn the connectors on/off. */ drm_modeset_lock_all(dev); diff --git a/drivers/gpu/drm/gma500/gtt.c b/drivers/gpu/drm/gma500/gtt.c index 92babac362ec..2db731f00930 100644 --- a/drivers/gpu/drm/gma500/gtt.c +++ b/drivers/gpu/drm/gma500/gtt.c @@ -204,6 +204,7 @@ static int psb_gtt_attach_pages(struct gtt_range *gt) if (IS_ERR(pages)) return PTR_ERR(pages); + gt->npage = gt->gem.size / PAGE_SIZE; gt->pages = pages; return 0; diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index c27a21034a5e..d5c784d48671 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1290,12 +1290,9 @@ static int i915_load_modeset_init(struct drm_device *dev) * then we do not take part in VGA arbitration and the * vga_client_register() fails with -ENODEV. */ - if (!HAS_PCH_SPLIT(dev)) { - ret = vga_client_register(dev->pdev, dev, NULL, - i915_vga_set_decode); - if (ret && ret != -ENODEV) - goto out; - } + ret = vga_client_register(dev->pdev, dev, NULL, i915_vga_set_decode); + if (ret && ret != -ENODEV) + goto out; intel_register_dsm_handler(); @@ -1351,12 +1348,6 @@ static int i915_load_modeset_init(struct drm_device *dev) */ intel_fbdev_initial_config(dev); - /* - * Must do this after fbcon init so that - * vgacon_save_screen() works during the handover. - */ - i915_disable_vga_mem(dev); - /* Only enable hotplug handling once the fbdev is fully set up. */ dev_priv->enable_hotplug_processing = true; diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index c159e1a6810f..38f96f65d87a 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -3881,6 +3881,9 @@ #define GEN7_SQ_CHICKEN_MBCUNIT_CONFIG 0x9030 #define GEN7_SQ_CHICKEN_MBCUNIT_SQINTMOB (1<<11) +#define HSW_SCRATCH1 0xb038 +#define HSW_SCRATCH1_L3_DATA_ATOMICS_DISABLE (1<<27) + #define HSW_FUSE_STRAP 0x42014 #define HSW_CDCLK_LIMIT (1 << 24) @@ -4728,6 +4731,9 @@ #define GEN7_ROW_CHICKEN2_GT2 0xf4f4 #define DOP_CLOCK_GATING_DISABLE (1<<0) +#define HSW_ROW_CHICKEN3 0xe49c +#define HSW_ROW_CHICKEN3_L3_GLOBAL_ATOMICS_DISABLE (1 << 6) + #define G4X_AUD_VID_DID (dev_priv->info->display_mmio_offset + 0x62020) #define INTEL_AUDIO_DEVCL 0x808629FB #define INTEL_AUDIO_DEVBLC 0x80862801 diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index e5822e79f912..581fb4b2f766 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -3941,8 +3941,6 @@ static void intel_connector_check_state(struct intel_connector *connector) * consider. */ void intel_connector_dpms(struct drm_connector *connector, int mode) { - struct intel_encoder *encoder = intel_attached_encoder(connector); - /* All the simple cases only support two dpms states. */ if (mode != DRM_MODE_DPMS_ON) mode = DRM_MODE_DPMS_OFF; @@ -3953,10 +3951,8 @@ void intel_connector_dpms(struct drm_connector *connector, int mode) connector->dpms = mode; /* Only need to change hw state when actually enabled */ - if (encoder->base.crtc) - intel_encoder_dpms(encoder, mode); - else - WARN_ON(encoder->connectors_active != false); + if (connector->encoder) + intel_encoder_dpms(to_intel_encoder(connector->encoder), mode); intel_modeset_check_state(connector->dev); } @@ -10049,33 +10045,6 @@ static void i915_disable_vga(struct drm_device *dev) POSTING_READ(vga_reg); } -static void i915_enable_vga_mem(struct drm_device *dev) -{ - /* Enable VGA memory on Intel HD */ - if (HAS_PCH_SPLIT(dev)) { - vga_get_uninterruptible(dev->pdev, VGA_RSRC_LEGACY_IO); - outb(inb(VGA_MSR_READ) | VGA_MSR_MEM_EN, VGA_MSR_WRITE); - vga_set_legacy_decoding(dev->pdev, VGA_RSRC_LEGACY_IO | - VGA_RSRC_LEGACY_MEM | - VGA_RSRC_NORMAL_IO | - VGA_RSRC_NORMAL_MEM); - vga_put(dev->pdev, VGA_RSRC_LEGACY_IO); - } -} - -void i915_disable_vga_mem(struct drm_device *dev) -{ - /* Disable VGA memory on Intel HD */ - if (HAS_PCH_SPLIT(dev)) { - vga_get_uninterruptible(dev->pdev, VGA_RSRC_LEGACY_IO); - outb(inb(VGA_MSR_READ) & ~VGA_MSR_MEM_EN, VGA_MSR_WRITE); - vga_set_legacy_decoding(dev->pdev, VGA_RSRC_LEGACY_IO | - VGA_RSRC_NORMAL_IO | - VGA_RSRC_NORMAL_MEM); - vga_put(dev->pdev, VGA_RSRC_LEGACY_IO); - } -} - void intel_modeset_init_hw(struct drm_device *dev) { intel_init_power_well(dev); @@ -10354,7 +10323,6 @@ void i915_redisable_vga(struct drm_device *dev) if (I915_READ(vga_reg) != VGA_DISP_DISABLE) { DRM_DEBUG_KMS("Something enabled VGA plane, disabling it\n"); i915_disable_vga(dev); - i915_disable_vga_mem(dev); } } @@ -10568,8 +10536,6 @@ void intel_modeset_cleanup(struct drm_device *dev) intel_disable_fbc(dev); - i915_enable_vga_mem(dev); - intel_disable_gt_powersave(dev); ironlake_teardown_rc6(dev); diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 79c14e298ba6..2c555f91bfae 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1467,7 +1467,7 @@ static void intel_edp_psr_setup(struct intel_dp *intel_dp) /* Avoid continuous PSR exit by masking memup and hpd */ I915_WRITE(EDP_PSR_DEBUG_CTL, EDP_PSR_DEBUG_MASK_MEMUP | - EDP_PSR_DEBUG_MASK_HPD); + EDP_PSR_DEBUG_MASK_HPD | EDP_PSR_DEBUG_MASK_LPSP); intel_dp->psr_setup_done = true; } diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 28cae80495e2..9b7b68fd5d47 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -793,6 +793,5 @@ extern void hsw_pc8_disable_interrupts(struct drm_device *dev); extern void hsw_pc8_restore_interrupts(struct drm_device *dev); extern void intel_aux_display_runtime_get(struct drm_i915_private *dev_priv); extern void intel_aux_display_runtime_put(struct drm_i915_private *dev_priv); -extern void i915_disable_vga_mem(struct drm_device *dev); #endif /* __INTEL_DRV_H__ */ diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index dd176b7296c1..f4c5e95b2d6f 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3864,8 +3864,6 @@ static void valleyview_enable_rps(struct drm_device *dev) dev_priv->rps.rpe_delay), dev_priv->rps.rpe_delay); - INIT_DELAYED_WORK(&dev_priv->rps.vlv_work, vlv_rps_timer_work); - valleyview_set_rps(dev_priv->dev, dev_priv->rps.rpe_delay); gen6_enable_rps_interrupts(dev); @@ -4955,6 +4953,11 @@ static void haswell_init_clock_gating(struct drm_device *dev) I915_WRITE(GEN7_L3_CHICKEN_MODE_REGISTER, GEN7_WA_L3_CHICKEN_MODE); + /* L3 caching of data atomics doesn't work -- disable it. */ + I915_WRITE(HSW_SCRATCH1, HSW_SCRATCH1_L3_DATA_ATOMICS_DISABLE); + I915_WRITE(HSW_ROW_CHICKEN3, + _MASKED_BIT_ENABLE(HSW_ROW_CHICKEN3_L3_GLOBAL_ATOMICS_DISABLE)); + /* This is required by WaCatErrorRejectionIssue:hsw */ I915_WRITE(GEN7_SQ_CHICKEN_MBCUNIT_CONFIG, I915_READ(GEN7_SQ_CHICKEN_MBCUNIT_CONFIG) | @@ -5681,5 +5684,7 @@ void intel_pm_init(struct drm_device *dev) INIT_DELAYED_WORK(&dev_priv->rps.delayed_resume_work, intel_gen6_powersave_work); + + INIT_DELAYED_WORK(&dev_priv->rps.vlv_work, vlv_rps_timer_work); } diff --git a/drivers/gpu/drm/nouveau/core/subdev/mc/base.c b/drivers/gpu/drm/nouveau/core/subdev/mc/base.c index 37712a6df923..e290cfa4acee 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/mc/base.c +++ b/drivers/gpu/drm/nouveau/core/subdev/mc/base.c @@ -113,7 +113,7 @@ nouveau_mc_create_(struct nouveau_object *parent, struct nouveau_object *engine, pmc->use_msi = false; break; default: - pmc->use_msi = nouveau_boolopt(device->cfgopt, "NvMSI", true); + pmc->use_msi = nouveau_boolopt(device->cfgopt, "NvMSI", false); if (pmc->use_msi) { pmc->use_msi = pci_enable_msi(device->pdev) == 0; if (pmc->use_msi) { diff --git a/drivers/gpu/drm/radeon/btc_dpm.c b/drivers/gpu/drm/radeon/btc_dpm.c index b162e98a2953..9b6950d9b3c0 100644 --- a/drivers/gpu/drm/radeon/btc_dpm.c +++ b/drivers/gpu/drm/radeon/btc_dpm.c @@ -1930,7 +1930,7 @@ static int btc_set_mc_special_registers(struct radeon_device *rdev, } j++; - if (j > SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE) + if (j >= SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE) return -EINVAL; tmp = RREG32(MC_PMG_CMD_MRS); @@ -1945,7 +1945,7 @@ static int btc_set_mc_special_registers(struct radeon_device *rdev, } j++; - if (j > SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE) + if (j >= SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE) return -EINVAL; break; case MC_SEQ_RESERVE_M >> 2: @@ -1959,7 +1959,7 @@ static int btc_set_mc_special_registers(struct radeon_device *rdev, } j++; - if (j > SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE) + if (j >= SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE) return -EINVAL; break; default: diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index d02fd1c045d5..b874ccdf52f7 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -77,6 +77,8 @@ static void cik_pcie_gen3_enable(struct radeon_device *rdev); static void cik_program_aspm(struct radeon_device *rdev); static void cik_init_pg(struct radeon_device *rdev); static void cik_init_cg(struct radeon_device *rdev); +static void cik_fini_pg(struct radeon_device *rdev); +static void cik_fini_cg(struct radeon_device *rdev); static void cik_enable_gui_idle_interrupt(struct radeon_device *rdev, bool enable); @@ -4185,6 +4187,10 @@ static void cik_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask) dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS)); + /* disable CG/PG */ + cik_fini_pg(rdev); + cik_fini_cg(rdev); + /* stop the rlc */ cik_rlc_stop(rdev); diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 555164e270a7..b5c67a99dda9 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -3131,7 +3131,7 @@ static void evergreen_gpu_init(struct radeon_device *rdev) rdev->config.evergreen.sx_max_export_size = 256; rdev->config.evergreen.sx_max_export_pos_size = 64; rdev->config.evergreen.sx_max_export_smx_size = 192; - rdev->config.evergreen.max_hw_contexts = 8; + rdev->config.evergreen.max_hw_contexts = 4; rdev->config.evergreen.sq_num_cf_insts = 2; rdev->config.evergreen.sc_prim_fifo_size = 0x40; diff --git a/drivers/gpu/drm/radeon/evergreen_hdmi.c b/drivers/gpu/drm/radeon/evergreen_hdmi.c index f71ce390aebe..f815c20640bd 100644 --- a/drivers/gpu/drm/radeon/evergreen_hdmi.c +++ b/drivers/gpu/drm/radeon/evergreen_hdmi.c @@ -288,8 +288,7 @@ void evergreen_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode /* fglrx clears sth in AFMT_AUDIO_PACKET_CONTROL2 here */ WREG32(HDMI_ACR_PACKET_CONTROL + offset, - HDMI_ACR_AUTO_SEND | /* allow hw to sent ACR packets when required */ - HDMI_ACR_SOURCE); /* select SW CTS value */ + HDMI_ACR_AUTO_SEND); /* allow hw to sent ACR packets when required */ evergreen_hdmi_update_ACR(encoder, mode->clock); diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h index 8768fd6a1e27..4f6d2962767d 100644 --- a/drivers/gpu/drm/radeon/evergreend.h +++ b/drivers/gpu/drm/radeon/evergreend.h @@ -1501,7 +1501,7 @@ * 6. COMMAND [29:22] | BYTE_COUNT [20:0] */ # define PACKET3_CP_DMA_DST_SEL(x) ((x) << 20) - /* 0 - SRC_ADDR + /* 0 - DST_ADDR * 1 - GDS */ # define PACKET3_CP_DMA_ENGINE(x) ((x) << 27) @@ -1516,7 +1516,7 @@ # define PACKET3_CP_DMA_CP_SYNC (1 << 31) /* COMMAND */ # define PACKET3_CP_DMA_DIS_WC (1 << 21) -# define PACKET3_CP_DMA_CMD_SRC_SWAP(x) ((x) << 23) +# define PACKET3_CP_DMA_CMD_SRC_SWAP(x) ((x) << 22) /* 0 - none * 1 - 8 in 16 * 2 - 8 in 32 diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c index b0fa6002af3e..5b729319f27b 100644 --- a/drivers/gpu/drm/radeon/r600_hdmi.c +++ b/drivers/gpu/drm/radeon/r600_hdmi.c @@ -57,15 +57,15 @@ enum r600_hdmi_iec_status_bits { static const struct radeon_hdmi_acr r600_hdmi_predefined_acr[] = { /* 32kHz 44.1kHz 48kHz */ /* Clock N CTS N CTS N CTS */ - { 25174, 4576, 28125, 7007, 31250, 6864, 28125 }, /* 25,20/1.001 MHz */ + { 25175, 4576, 28125, 7007, 31250, 6864, 28125 }, /* 25,20/1.001 MHz */ { 25200, 4096, 25200, 6272, 28000, 6144, 25200 }, /* 25.20 MHz */ { 27000, 4096, 27000, 6272, 30000, 6144, 27000 }, /* 27.00 MHz */ { 27027, 4096, 27027, 6272, 30030, 6144, 27027 }, /* 27.00*1.001 MHz */ { 54000, 4096, 54000, 6272, 60000, 6144, 54000 }, /* 54.00 MHz */ { 54054, 4096, 54054, 6272, 60060, 6144, 54054 }, /* 54.00*1.001 MHz */ - { 74175, 11648, 210937, 17836, 234375, 11648, 140625 }, /* 74.25/1.001 MHz */ + { 74176, 11648, 210937, 17836, 234375, 11648, 140625 }, /* 74.25/1.001 MHz */ { 74250, 4096, 74250, 6272, 82500, 6144, 74250 }, /* 74.25 MHz */ - { 148351, 11648, 421875, 8918, 234375, 5824, 140625 }, /* 148.50/1.001 MHz */ + { 148352, 11648, 421875, 8918, 234375, 5824, 140625 }, /* 148.50/1.001 MHz */ { 148500, 4096, 148500, 6272, 165000, 6144, 148500 }, /* 148.50 MHz */ { 0, 4096, 0, 6272, 0, 6144, 0 } /* Other */ }; @@ -75,8 +75,15 @@ static const struct radeon_hdmi_acr r600_hdmi_predefined_acr[] = { */ static void r600_hdmi_calc_cts(uint32_t clock, int *CTS, int N, int freq) { - if (*CTS == 0) - *CTS = clock * N / (128 * freq) * 1000; + u64 n; + u32 d; + + if (*CTS == 0) { + n = (u64)clock * (u64)N * 1000ULL; + d = 128 * freq; + do_div(n, d); + *CTS = n; + } DRM_DEBUG("Using ACR timing N=%d CTS=%d for frequency %d\n", N, *CTS, freq); } @@ -444,8 +451,8 @@ void r600_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mod } WREG32(HDMI0_ACR_PACKET_CONTROL + offset, - HDMI0_ACR_AUTO_SEND | /* allow hw to sent ACR packets when required */ - HDMI0_ACR_SOURCE); /* select SW CTS value */ + HDMI0_ACR_SOURCE | /* select SW CTS value - XXX verify that hw CTS works on all families */ + HDMI0_ACR_AUTO_SEND); /* allow hw to sent ACR packets when required */ WREG32(HDMI0_VBI_PACKET_CONTROL + offset, HDMI0_NULL_SEND | /* send null packets when required */ diff --git a/drivers/gpu/drm/radeon/r600d.h b/drivers/gpu/drm/radeon/r600d.h index e673fe26ea84..7b3c7b5932c5 100644 --- a/drivers/gpu/drm/radeon/r600d.h +++ b/drivers/gpu/drm/radeon/r600d.h @@ -1523,7 +1523,7 @@ */ # define PACKET3_CP_DMA_CP_SYNC (1 << 31) /* COMMAND */ -# define PACKET3_CP_DMA_CMD_SRC_SWAP(x) ((x) << 23) +# define PACKET3_CP_DMA_CMD_SRC_SWAP(x) ((x) << 22) /* 0 - none * 1 - 8 in 16 * 2 - 8 in 32 diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index ac07ad1d4f8c..4f6b7fc7ad3c 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -945,6 +945,8 @@ void radeon_dpm_enable_uvd(struct radeon_device *rdev, bool enable) if (enable) { mutex_lock(&rdev->pm.mutex); rdev->pm.dpm.uvd_active = true; + /* disable this for now */ +#if 0 if ((rdev->pm.dpm.sd == 1) && (rdev->pm.dpm.hd == 0)) dpm_state = POWER_STATE_TYPE_INTERNAL_UVD_SD; else if ((rdev->pm.dpm.sd == 2) && (rdev->pm.dpm.hd == 0)) @@ -954,6 +956,7 @@ void radeon_dpm_enable_uvd(struct radeon_device *rdev, bool enable) else if ((rdev->pm.dpm.sd == 0) && (rdev->pm.dpm.hd == 2)) dpm_state = POWER_STATE_TYPE_INTERNAL_UVD_HD2; else +#endif dpm_state = POWER_STATE_TYPE_INTERNAL_UVD; rdev->pm.dpm.state = dpm_state; mutex_unlock(&rdev->pm.mutex); diff --git a/drivers/gpu/drm/radeon/radeon_test.c b/drivers/gpu/drm/radeon/radeon_test.c index f4d6bcee9006..12e8099a0823 100644 --- a/drivers/gpu/drm/radeon/radeon_test.c +++ b/drivers/gpu/drm/radeon/radeon_test.c @@ -36,8 +36,8 @@ static void radeon_do_test_moves(struct radeon_device *rdev, int flag) struct radeon_bo *vram_obj = NULL; struct radeon_bo **gtt_obj = NULL; uint64_t gtt_addr, vram_addr; - unsigned i, n, size; - int r, ring; + unsigned n, size; + int i, r, ring; switch (flag) { case RADEON_TEST_COPY_DMA: diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c index a0f11856ddde..4f2e73f79638 100644 --- a/drivers/gpu/drm/radeon/radeon_uvd.c +++ b/drivers/gpu/drm/radeon/radeon_uvd.c @@ -798,7 +798,8 @@ void radeon_uvd_note_usage(struct radeon_device *rdev) (rdev->pm.dpm.hd != hd)) { rdev->pm.dpm.sd = sd; rdev->pm.dpm.hd = hd; - streams_changed = true; + /* disable this for now */ + /*streams_changed = true;*/ } } diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index c354c1094967..d4652af425b8 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -85,6 +85,9 @@ extern void si_dma_vm_set_page(struct radeon_device *rdev, uint32_t incr, uint32_t flags); static void si_enable_gui_idle_interrupt(struct radeon_device *rdev, bool enable); +static void si_fini_pg(struct radeon_device *rdev); +static void si_fini_cg(struct radeon_device *rdev); +static void si_rlc_stop(struct radeon_device *rdev); static const u32 verde_rlc_save_restore_register_list[] = { @@ -3608,6 +3611,13 @@ static void si_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask) dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS)); + /* disable PG/CG */ + si_fini_pg(rdev); + si_fini_cg(rdev); + + /* stop the rlc */ + si_rlc_stop(rdev); + /* Disable CP parsing/prefetching */ WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT | CP_CE_HALT); diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c index 9ace28702c76..2332aa1bf93c 100644 --- a/drivers/gpu/drm/radeon/si_dpm.c +++ b/drivers/gpu/drm/radeon/si_dpm.c @@ -5208,7 +5208,7 @@ static int si_set_mc_special_registers(struct radeon_device *rdev, table->mc_reg_table_entry[k].mc_data[j] |= 0x100; } j++; - if (j > SMC_SISLANDS_MC_REGISTER_ARRAY_SIZE) + if (j >= SMC_SISLANDS_MC_REGISTER_ARRAY_SIZE) return -EINVAL; if (!pi->mem_gddr5) { @@ -5218,7 +5218,7 @@ static int si_set_mc_special_registers(struct radeon_device *rdev, table->mc_reg_table_entry[k].mc_data[j] = (table->mc_reg_table_entry[k].mc_data[i] & 0xffff0000) >> 16; j++; - if (j > SMC_SISLANDS_MC_REGISTER_ARRAY_SIZE) + if (j >= SMC_SISLANDS_MC_REGISTER_ARRAY_SIZE) return -EINVAL; } break; @@ -5231,7 +5231,7 @@ static int si_set_mc_special_registers(struct radeon_device *rdev, (temp_reg & 0xffff0000) | (table->mc_reg_table_entry[k].mc_data[i] & 0x0000ffff); j++; - if (j > SMC_SISLANDS_MC_REGISTER_ARRAY_SIZE) + if (j >= SMC_SISLANDS_MC_REGISTER_ARRAY_SIZE) return -EINVAL; break; default: diff --git a/drivers/gpu/drm/radeon/sid.h b/drivers/gpu/drm/radeon/sid.h index 52d2ab6b67a0..7e2e0ea66a00 100644 --- a/drivers/gpu/drm/radeon/sid.h +++ b/drivers/gpu/drm/radeon/sid.h @@ -1553,7 +1553,7 @@ * 6. COMMAND [30:21] | BYTE_COUNT [20:0] */ # define PACKET3_CP_DMA_DST_SEL(x) ((x) << 20) - /* 0 - SRC_ADDR + /* 0 - DST_ADDR * 1 - GDS */ # define PACKET3_CP_DMA_ENGINE(x) ((x) << 27) @@ -1568,7 +1568,7 @@ # define PACKET3_CP_DMA_CP_SYNC (1 << 31) /* COMMAND */ # define PACKET3_CP_DMA_DIS_WC (1 << 21) -# define PACKET3_CP_DMA_CMD_SRC_SWAP(x) ((x) << 23) +# define PACKET3_CP_DMA_CMD_SRC_SWAP(x) ((x) << 22) /* 0 - none * 1 - 8 in 16 * 2 - 8 in 32 diff --git a/drivers/gpu/drm/radeon/trinity_dpm.c b/drivers/gpu/drm/radeon/trinity_dpm.c index 7f998bf1cc9d..9364129ba292 100644 --- a/drivers/gpu/drm/radeon/trinity_dpm.c +++ b/drivers/gpu/drm/radeon/trinity_dpm.c @@ -1868,7 +1868,7 @@ int trinity_dpm_init(struct radeon_device *rdev) for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++) pi->at[i] = TRINITY_AT_DFLT; - pi->enable_bapm = true; + pi->enable_bapm = false; pi->enable_nbps_policy = true; pi->enable_sclk_ds = true; pi->enable_gfx_power_gating = true; diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 71b70e3a7a71..c91d547191dd 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -241,6 +241,7 @@ config HID_HOLTEK - Sharkoon Drakonia / Perixx MX-2000 gaming mice - Tracer Sniper TRM-503 / NOVA Gaming Slider X200 / Zalman ZM-GM1 + - SHARKOON DarkGlider Gaming mouse config HOLTEK_FF bool "Holtek On Line Grip force feedback support" diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index b8470b1a10fe..5a8c01112a23 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1715,6 +1715,7 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) }, { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) }, { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) }, + { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) }, { HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_580) }, { HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) }, diff --git a/drivers/hid/hid-holtek-mouse.c b/drivers/hid/hid-holtek-mouse.c index 7e6db3cf46f9..e696566cde46 100644 --- a/drivers/hid/hid-holtek-mouse.c +++ b/drivers/hid/hid-holtek-mouse.c @@ -27,6 +27,7 @@ * - USB ID 04d9:a067, sold as Sharkoon Drakonia and Perixx MX-2000 * - USB ID 04d9:a04a, sold as Tracer Sniper TRM-503, NOVA Gaming Slider X200 * and Zalman ZM-GM1 + * - USB ID 04d9:a081, sold as SHARKOON DarkGlider Gaming mouse */ static __u8 *holtek_mouse_report_fixup(struct hid_device *hdev, __u8 *rdesc, @@ -46,6 +47,7 @@ static __u8 *holtek_mouse_report_fixup(struct hid_device *hdev, __u8 *rdesc, } break; case USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A: + case USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081: if (*rsize >= 113 && rdesc[106] == 0xff && rdesc[107] == 0x7f && rdesc[111] == 0xff && rdesc[112] == 0x7f) { hid_info(hdev, "Fixing up report descriptor\n"); @@ -63,6 +65,8 @@ static const struct hid_device_id holtek_mouse_devices[] = { USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) }, { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) }, + { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, + USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) }, { } }; MODULE_DEVICE_TABLE(hid, holtek_mouse_devices); diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index e60e8d530697..9cbc7ab07dfa 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -450,6 +450,7 @@ #define USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD 0xa055 #define USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067 0xa067 #define USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A 0xa04a +#define USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081 0xa081 #define USB_VENDOR_ID_IMATION 0x0718 #define USB_DEVICE_ID_DISC_STAKKA 0xd000 diff --git a/drivers/hid/hid-roccat-kone.c b/drivers/hid/hid-roccat-kone.c index 602c188e9d86..6101816a7ddd 100644 --- a/drivers/hid/hid-roccat-kone.c +++ b/drivers/hid/hid-roccat-kone.c @@ -382,7 +382,7 @@ static ssize_t kone_sysfs_write_profilex(struct file *fp, } #define PROFILE_ATTR(number) \ static struct bin_attribute bin_attr_profile##number = { \ - .attr = { .name = "profile##number", .mode = 0660 }, \ + .attr = { .name = "profile" #number, .mode = 0660 }, \ .size = sizeof(struct kone_profile), \ .read = kone_sysfs_read_profilex, \ .write = kone_sysfs_write_profilex, \ diff --git a/drivers/hid/hid-roccat-koneplus.c b/drivers/hid/hid-roccat-koneplus.c index 5ddf605b6b89..5e99fcdc71b9 100644 --- a/drivers/hid/hid-roccat-koneplus.c +++ b/drivers/hid/hid-roccat-koneplus.c @@ -229,13 +229,13 @@ static ssize_t koneplus_sysfs_read_profilex_buttons(struct file *fp, #define PROFILE_ATTR(number) \ static struct bin_attribute bin_attr_profile##number##_settings = { \ - .attr = { .name = "profile##number##_settings", .mode = 0440 }, \ + .attr = { .name = "profile" #number "_settings", .mode = 0440 }, \ .size = KONEPLUS_SIZE_PROFILE_SETTINGS, \ .read = koneplus_sysfs_read_profilex_settings, \ .private = &profile_numbers[number-1], \ }; \ static struct bin_attribute bin_attr_profile##number##_buttons = { \ - .attr = { .name = "profile##number##_buttons", .mode = 0440 }, \ + .attr = { .name = "profile" #number "_buttons", .mode = 0440 }, \ .size = KONEPLUS_SIZE_PROFILE_BUTTONS, \ .read = koneplus_sysfs_read_profilex_buttons, \ .private = &profile_numbers[number-1], \ diff --git a/drivers/hid/hid-roccat-kovaplus.c b/drivers/hid/hid-roccat-kovaplus.c index 515bc03136c0..0c8e1ef0b67d 100644 --- a/drivers/hid/hid-roccat-kovaplus.c +++ b/drivers/hid/hid-roccat-kovaplus.c @@ -257,13 +257,13 @@ static ssize_t kovaplus_sysfs_read_profilex_buttons(struct file *fp, #define PROFILE_ATTR(number) \ static struct bin_attribute bin_attr_profile##number##_settings = { \ - .attr = { .name = "profile##number##_settings", .mode = 0440 }, \ + .attr = { .name = "profile" #number "_settings", .mode = 0440 }, \ .size = KOVAPLUS_SIZE_PROFILE_SETTINGS, \ .read = kovaplus_sysfs_read_profilex_settings, \ .private = &profile_numbers[number-1], \ }; \ static struct bin_attribute bin_attr_profile##number##_buttons = { \ - .attr = { .name = "profile##number##_buttons", .mode = 0440 }, \ + .attr = { .name = "profile" #number "_buttons", .mode = 0440 }, \ .size = KOVAPLUS_SIZE_PROFILE_BUTTONS, \ .read = kovaplus_sysfs_read_profilex_buttons, \ .private = &profile_numbers[number-1], \ diff --git a/drivers/hid/hid-roccat-pyra.c b/drivers/hid/hid-roccat-pyra.c index 5a6dbbeee790..1a07e07d99a0 100644 --- a/drivers/hid/hid-roccat-pyra.c +++ b/drivers/hid/hid-roccat-pyra.c @@ -225,13 +225,13 @@ static ssize_t pyra_sysfs_read_profilex_buttons(struct file *fp, #define PROFILE_ATTR(number) \ static struct bin_attribute bin_attr_profile##number##_settings = { \ - .attr = { .name = "profile##number##_settings", .mode = 0440 }, \ + .attr = { .name = "profile" #number "_settings", .mode = 0440 }, \ .size = PYRA_SIZE_PROFILE_SETTINGS, \ .read = pyra_sysfs_read_profilex_settings, \ .private = &profile_numbers[number-1], \ }; \ static struct bin_attribute bin_attr_profile##number##_buttons = { \ - .attr = { .name = "profile##number##_buttons", .mode = 0440 }, \ + .attr = { .name = "profile" #number "_buttons", .mode = 0440 }, \ .size = PYRA_SIZE_PROFILE_BUTTONS, \ .read = pyra_sysfs_read_profilex_buttons, \ .private = &profile_numbers[number-1], \ diff --git a/drivers/hid/hid-wiimote-modules.c b/drivers/hid/hid-wiimote-modules.c index 2e7d644dba18..71adf9e60b13 100644 --- a/drivers/hid/hid-wiimote-modules.c +++ b/drivers/hid/hid-wiimote-modules.c @@ -119,12 +119,22 @@ static const struct wiimod_ops wiimod_keys = { * the rumble motor, this flag shouldn't be set. */ +/* used by wiimod_rumble and wiipro_rumble */ +static void wiimod_rumble_worker(struct work_struct *work) +{ + struct wiimote_data *wdata = container_of(work, struct wiimote_data, + rumble_worker); + + spin_lock_irq(&wdata->state.lock); + wiiproto_req_rumble(wdata, wdata->state.cache_rumble); + spin_unlock_irq(&wdata->state.lock); +} + static int wiimod_rumble_play(struct input_dev *dev, void *data, struct ff_effect *eff) { struct wiimote_data *wdata = input_get_drvdata(dev); __u8 value; - unsigned long flags; /* * The wiimote supports only a single rumble motor so if any magnitude @@ -137,9 +147,10 @@ static int wiimod_rumble_play(struct input_dev *dev, void *data, else value = 0; - spin_lock_irqsave(&wdata->state.lock, flags); - wiiproto_req_rumble(wdata, value); - spin_unlock_irqrestore(&wdata->state.lock, flags); + /* Locking state.lock here might deadlock with input_event() calls. + * schedule_work acts as barrier. Merging multiple changes is fine. */ + wdata->state.cache_rumble = value; + schedule_work(&wdata->rumble_worker); return 0; } @@ -147,6 +158,8 @@ static int wiimod_rumble_play(struct input_dev *dev, void *data, static int wiimod_rumble_probe(const struct wiimod_ops *ops, struct wiimote_data *wdata) { + INIT_WORK(&wdata->rumble_worker, wiimod_rumble_worker); + set_bit(FF_RUMBLE, wdata->input->ffbit); if (input_ff_create_memless(wdata->input, NULL, wiimod_rumble_play)) return -ENOMEM; @@ -159,6 +172,8 @@ static void wiimod_rumble_remove(const struct wiimod_ops *ops, { unsigned long flags; + cancel_work_sync(&wdata->rumble_worker); + spin_lock_irqsave(&wdata->state.lock, flags); wiiproto_req_rumble(wdata, 0); spin_unlock_irqrestore(&wdata->state.lock, flags); @@ -1731,7 +1746,6 @@ static int wiimod_pro_play(struct input_dev *dev, void *data, { struct wiimote_data *wdata = input_get_drvdata(dev); __u8 value; - unsigned long flags; /* * The wiimote supports only a single rumble motor so if any magnitude @@ -1744,9 +1758,10 @@ static int wiimod_pro_play(struct input_dev *dev, void *data, else value = 0; - spin_lock_irqsave(&wdata->state.lock, flags); - wiiproto_req_rumble(wdata, value); - spin_unlock_irqrestore(&wdata->state.lock, flags); + /* Locking state.lock here might deadlock with input_event() calls. + * schedule_work acts as barrier. Merging multiple changes is fine. */ + wdata->state.cache_rumble = value; + schedule_work(&wdata->rumble_worker); return 0; } @@ -1756,6 +1771,8 @@ static int wiimod_pro_probe(const struct wiimod_ops *ops, { int ret, i; + INIT_WORK(&wdata->rumble_worker, wiimod_rumble_worker); + wdata->extension.input = input_allocate_device(); if (!wdata->extension.input) return -ENOMEM; @@ -1817,12 +1834,13 @@ static void wiimod_pro_remove(const struct wiimod_ops *ops, if (!wdata->extension.input) return; + input_unregister_device(wdata->extension.input); + wdata->extension.input = NULL; + cancel_work_sync(&wdata->rumble_worker); + spin_lock_irqsave(&wdata->state.lock, flags); wiiproto_req_rumble(wdata, 0); spin_unlock_irqrestore(&wdata->state.lock, flags); - - input_unregister_device(wdata->extension.input); - wdata->extension.input = NULL; } static const struct wiimod_ops wiimod_pro = { diff --git a/drivers/hid/hid-wiimote.h b/drivers/hid/hid-wiimote.h index f1474f372c0b..75db0c400037 100644 --- a/drivers/hid/hid-wiimote.h +++ b/drivers/hid/hid-wiimote.h @@ -133,13 +133,15 @@ struct wiimote_state { __u8 *cmd_read_buf; __u8 cmd_read_size; - /* calibration data */ + /* calibration/cache data */ __u16 calib_bboard[4][3]; + __u8 cache_rumble; }; struct wiimote_data { struct hid_device *hdev; struct input_dev *input; + struct work_struct rumble_worker; struct led_classdev *leds[4]; struct input_dev *accel; struct input_dev *ir; diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c index 8918dd12bb69..6a6dd5cd7833 100644 --- a/drivers/hid/hidraw.c +++ b/drivers/hid/hidraw.c @@ -308,18 +308,25 @@ static int hidraw_fasync(int fd, struct file *file, int on) static void drop_ref(struct hidraw *hidraw, int exists_bit) { if (exists_bit) { - hid_hw_close(hidraw->hid); hidraw->exist = 0; - if (hidraw->open) + if (hidraw->open) { + hid_hw_close(hidraw->hid); wake_up_interruptible(&hidraw->wait); + } } else { --hidraw->open; } - - if (!hidraw->open && !hidraw->exist) { - device_destroy(hidraw_class, MKDEV(hidraw_major, hidraw->minor)); - hidraw_table[hidraw->minor] = NULL; - kfree(hidraw); + if (!hidraw->open) { + if (!hidraw->exist) { + device_destroy(hidraw_class, + MKDEV(hidraw_major, hidraw->minor)); + hidraw_table[hidraw->minor] = NULL; + kfree(hidraw); + } else { + /* close device for last reader */ + hid_hw_power(hidraw->hid, PM_HINT_NORMAL); + hid_hw_close(hidraw->hid); + } } } diff --git a/drivers/hid/uhid.c b/drivers/hid/uhid.c index 5bf2fb785844..93b00d76374c 100644 --- a/drivers/hid/uhid.c +++ b/drivers/hid/uhid.c @@ -615,7 +615,7 @@ static const struct file_operations uhid_fops = { static struct miscdevice uhid_misc = { .fops = &uhid_fops, - .minor = MISC_DYNAMIC_MINOR, + .minor = UHID_MINOR, .name = UHID_NAME, }; @@ -634,4 +634,5 @@ module_exit(uhid_exit); MODULE_LICENSE("GPL"); MODULE_AUTHOR("David Herrmann <dh.herrmann@gmail.com>"); MODULE_DESCRIPTION("User-space I/O driver support for HID subsystem"); +MODULE_ALIAS_MISCDEV(UHID_MINOR); MODULE_ALIAS("devname:" UHID_NAME); diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c index 98814d12a604..3288f13d2d87 100644 --- a/drivers/hwmon/applesmc.c +++ b/drivers/hwmon/applesmc.c @@ -230,6 +230,7 @@ static int send_argument(const char *key) static int read_smc(u8 cmd, const char *key, u8 *buffer, u8 len) { + u8 status, data = 0; int i; if (send_command(cmd) || send_argument(key)) { @@ -237,6 +238,7 @@ static int read_smc(u8 cmd, const char *key, u8 *buffer, u8 len) return -EIO; } + /* This has no effect on newer (2012) SMCs */ if (send_byte(len, APPLESMC_DATA_PORT)) { pr_warn("%.4s: read len fail\n", key); return -EIO; @@ -250,6 +252,17 @@ static int read_smc(u8 cmd, const char *key, u8 *buffer, u8 len) buffer[i] = inb(APPLESMC_DATA_PORT); } + /* Read the data port until bit0 is cleared */ + for (i = 0; i < 16; i++) { + udelay(APPLESMC_MIN_WAIT); + status = inb(APPLESMC_CMD_PORT); + if (!(status & 0x01)) + break; + data = inb(APPLESMC_DATA_PORT); + } + if (i) + pr_warn("flushed %d bytes, last value is: %d\n", i, data); + return 0; } diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c index 4c1b60539a25..0aa01136f8d9 100644 --- a/drivers/i2c/busses/i2c-designware-platdrv.c +++ b/drivers/i2c/busses/i2c-designware-platdrv.c @@ -270,7 +270,8 @@ static SIMPLE_DEV_PM_OPS(dw_i2c_dev_pm_ops, dw_i2c_suspend, dw_i2c_resume); MODULE_ALIAS("platform:i2c_designware"); static struct platform_driver dw_i2c_driver = { - .remove = dw_i2c_remove, + .probe = dw_i2c_probe, + .remove = dw_i2c_remove, .driver = { .name = "i2c_designware", .owner = THIS_MODULE, @@ -282,7 +283,7 @@ static struct platform_driver dw_i2c_driver = { static int __init dw_i2c_init_driver(void) { - return platform_driver_probe(&dw_i2c_driver, dw_i2c_probe); + return platform_driver_register(&dw_i2c_driver); } subsys_initcall(dw_i2c_init_driver); diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c index ccf46656bdad..1d7efa3169cd 100644 --- a/drivers/i2c/busses/i2c-imx.c +++ b/drivers/i2c/busses/i2c-imx.c @@ -365,7 +365,7 @@ static void i2c_imx_stop(struct imx_i2c_struct *i2c_imx) clk_disable_unprepare(i2c_imx->clk); } -static void __init i2c_imx_set_clk(struct imx_i2c_struct *i2c_imx, +static void i2c_imx_set_clk(struct imx_i2c_struct *i2c_imx, unsigned int rate) { struct imx_i2c_clk_pair *i2c_clk_div = i2c_imx->hwdata->clk_div; @@ -589,7 +589,7 @@ static struct i2c_algorithm i2c_imx_algo = { .functionality = i2c_imx_func, }; -static int __init i2c_imx_probe(struct platform_device *pdev) +static int i2c_imx_probe(struct platform_device *pdev) { const struct of_device_id *of_id = of_match_device(i2c_imx_dt_ids, &pdev->dev); @@ -697,7 +697,7 @@ static int __init i2c_imx_probe(struct platform_device *pdev) return 0; /* Return OK */ } -static int __exit i2c_imx_remove(struct platform_device *pdev) +static int i2c_imx_remove(struct platform_device *pdev) { struct imx_i2c_struct *i2c_imx = platform_get_drvdata(pdev); @@ -715,7 +715,8 @@ static int __exit i2c_imx_remove(struct platform_device *pdev) } static struct platform_driver i2c_imx_driver = { - .remove = __exit_p(i2c_imx_remove), + .probe = i2c_imx_probe, + .remove = i2c_imx_remove, .driver = { .name = DRIVER_NAME, .owner = THIS_MODULE, @@ -726,7 +727,7 @@ static struct platform_driver i2c_imx_driver = { static int __init i2c_adap_imx_init(void) { - return platform_driver_probe(&i2c_imx_driver, i2c_imx_probe); + return platform_driver_register(&i2c_imx_driver); } subsys_initcall(i2c_adap_imx_init); diff --git a/drivers/i2c/busses/i2c-mxs.c b/drivers/i2c/busses/i2c-mxs.c index f4a01675fa71..b7c857774708 100644 --- a/drivers/i2c/busses/i2c-mxs.c +++ b/drivers/i2c/busses/i2c-mxs.c @@ -780,12 +780,13 @@ static struct platform_driver mxs_i2c_driver = { .owner = THIS_MODULE, .of_match_table = mxs_i2c_dt_ids, }, + .probe = mxs_i2c_probe, .remove = mxs_i2c_remove, }; static int __init mxs_i2c_init(void) { - return platform_driver_probe(&mxs_i2c_driver, mxs_i2c_probe); + return platform_driver_register(&mxs_i2c_driver); } subsys_initcall(mxs_i2c_init); diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index 6d8308d5dc4e..9967a6f9c2ff 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -939,6 +939,9 @@ omap_i2c_isr_thread(int this_irq, void *dev_id) /* * ProDB0017052: Clear ARDY bit twice */ + if (stat & OMAP_I2C_STAT_ARDY) + omap_i2c_ack_stat(dev, OMAP_I2C_STAT_ARDY); + if (stat & (OMAP_I2C_STAT_ARDY | OMAP_I2C_STAT_NACK | OMAP_I2C_STAT_AL)) { omap_i2c_ack_stat(dev, (OMAP_I2C_STAT_RRDY | diff --git a/drivers/i2c/busses/i2c-stu300.c b/drivers/i2c/busses/i2c-stu300.c index f8f6f2e552db..04a17b9b38bb 100644 --- a/drivers/i2c/busses/i2c-stu300.c +++ b/drivers/i2c/busses/i2c-stu300.c @@ -859,8 +859,7 @@ static const struct i2c_algorithm stu300_algo = { .functionality = stu300_func, }; -static int __init -stu300_probe(struct platform_device *pdev) +static int stu300_probe(struct platform_device *pdev) { struct stu300_dev *dev; struct i2c_adapter *adap; @@ -966,8 +965,7 @@ static SIMPLE_DEV_PM_OPS(stu300_pm, stu300_suspend, stu300_resume); #define STU300_I2C_PM NULL #endif -static int __exit -stu300_remove(struct platform_device *pdev) +static int stu300_remove(struct platform_device *pdev) { struct stu300_dev *dev = platform_get_drvdata(pdev); @@ -989,13 +987,14 @@ static struct platform_driver stu300_i2c_driver = { .pm = STU300_I2C_PM, .of_match_table = stu300_dt_match, }, - .remove = __exit_p(stu300_remove), + .probe = stu300_probe, + .remove = stu300_remove, }; static int __init stu300_init(void) { - return platform_driver_probe(&stu300_i2c_driver, stu300_probe); + return platform_driver_register(&stu300_i2c_driver); } static void __exit stu300_exit(void) diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 29d3f045a2bf..3be58f89ac77 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -1134,6 +1134,9 @@ static void acpi_i2c_register_devices(struct i2c_adapter *adap) acpi_handle handle; acpi_status status; + if (!adap->dev.parent) + return; + handle = ACPI_HANDLE(adap->dev.parent); if (!handle) return; diff --git a/drivers/i2c/muxes/i2c-arb-gpio-challenge.c b/drivers/i2c/muxes/i2c-arb-gpio-challenge.c index 74b41ae690f3..928656e241dd 100644 --- a/drivers/i2c/muxes/i2c-arb-gpio-challenge.c +++ b/drivers/i2c/muxes/i2c-arb-gpio-challenge.c @@ -200,7 +200,7 @@ static int i2c_arbitrator_probe(struct platform_device *pdev) arb->parent = of_find_i2c_adapter_by_node(parent_np); if (!arb->parent) { dev_err(dev, "Cannot find parent bus\n"); - return -EINVAL; + return -EPROBE_DEFER; } /* Actually add the mux adapter */ diff --git a/drivers/i2c/muxes/i2c-mux-gpio.c b/drivers/i2c/muxes/i2c-mux-gpio.c index 5d4a99ba743e..a764da777f08 100644 --- a/drivers/i2c/muxes/i2c-mux-gpio.c +++ b/drivers/i2c/muxes/i2c-mux-gpio.c @@ -66,7 +66,7 @@ static int i2c_mux_gpio_probe_dt(struct gpiomux *mux, struct device_node *adapter_np, *child; struct i2c_adapter *adapter; unsigned *values, *gpios; - int i = 0; + int i = 0, ret; if (!np) return -ENODEV; @@ -79,7 +79,7 @@ static int i2c_mux_gpio_probe_dt(struct gpiomux *mux, adapter = of_find_i2c_adapter_by_node(adapter_np); if (!adapter) { dev_err(&pdev->dev, "Cannot find parent bus\n"); - return -ENODEV; + return -EPROBE_DEFER; } mux->data.parent = i2c_adapter_id(adapter); put_device(&adapter->dev); @@ -116,8 +116,12 @@ static int i2c_mux_gpio_probe_dt(struct gpiomux *mux, return -ENOMEM; } - for (i = 0; i < mux->data.n_gpios; i++) - gpios[i] = of_get_named_gpio(np, "mux-gpios", i); + for (i = 0; i < mux->data.n_gpios; i++) { + ret = of_get_named_gpio(np, "mux-gpios", i); + if (ret < 0) + return ret; + gpios[i] = ret; + } mux->data.gpios = gpios; @@ -177,7 +181,7 @@ static int i2c_mux_gpio_probe(struct platform_device *pdev) if (!parent) { dev_err(&pdev->dev, "Parent adapter (%d) not found\n", mux->data.parent); - return -ENODEV; + return -EPROBE_DEFER; } mux->parent = parent; diff --git a/drivers/i2c/muxes/i2c-mux-pinctrl.c b/drivers/i2c/muxes/i2c-mux-pinctrl.c index 69a91732ae65..68a37157377d 100644 --- a/drivers/i2c/muxes/i2c-mux-pinctrl.c +++ b/drivers/i2c/muxes/i2c-mux-pinctrl.c @@ -113,7 +113,7 @@ static int i2c_mux_pinctrl_parse_dt(struct i2c_mux_pinctrl *mux, adapter = of_find_i2c_adapter_by_node(adapter_np); if (!adapter) { dev_err(mux->dev, "Cannot find parent bus\n"); - return -ENODEV; + return -EPROBE_DEFER; } mux->pdata->parent_bus_num = i2c_adapter_id(adapter); put_device(&adapter->dev); @@ -211,7 +211,7 @@ static int i2c_mux_pinctrl_probe(struct platform_device *pdev) if (!mux->parent) { dev_err(&pdev->dev, "Parent adapter (%d) not found\n", mux->pdata->parent_bus_num); - ret = -ENODEV; + ret = -EPROBE_DEFER; goto err; } diff --git a/drivers/iio/frequency/adf4350.c b/drivers/iio/frequency/adf4350.c index a7b30be86ae0..52605c0ea3a6 100644 --- a/drivers/iio/frequency/adf4350.c +++ b/drivers/iio/frequency/adf4350.c @@ -525,8 +525,10 @@ static int adf4350_probe(struct spi_device *spi) } indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st)); - if (indio_dev == NULL) - return -ENOMEM; + if (indio_dev == NULL) { + ret = -ENOMEM; + goto error_disable_clk; + } st = iio_priv(indio_dev); diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c index 2710f7245c3b..2db7dcd826b9 100644 --- a/drivers/iio/industrialio-buffer.c +++ b/drivers/iio/industrialio-buffer.c @@ -477,6 +477,9 @@ void iio_disable_all_buffers(struct iio_dev *indio_dev) indio_dev->currentmode = INDIO_DIRECT_MODE; if (indio_dev->setup_ops->postdisable) indio_dev->setup_ops->postdisable(indio_dev); + + if (indio_dev->available_scan_masks == NULL) + kfree(indio_dev->active_scan_mask); } int iio_update_buffers(struct iio_dev *indio_dev, diff --git a/drivers/infiniband/hw/amso1100/c2_ae.c b/drivers/infiniband/hw/amso1100/c2_ae.c index d5d1929753e4..cedda25232be 100644 --- a/drivers/infiniband/hw/amso1100/c2_ae.c +++ b/drivers/infiniband/hw/amso1100/c2_ae.c @@ -141,7 +141,7 @@ static const char *to_qp_state_str(int state) return "C2_QP_STATE_ERROR"; default: return "<invalid QP state>"; - }; + } } void c2_ae_event(struct c2_dev *c2dev, u32 mq_index) diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 3f831de9a4d8..b1a6cb3a2809 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -164,6 +164,7 @@ int mlx5_vector2eqn(struct mlx5_ib_dev *dev, int vector, int *eqn, int *irqn) static int alloc_comp_eqs(struct mlx5_ib_dev *dev) { struct mlx5_eq_table *table = &dev->mdev.priv.eq_table; + char name[MLX5_MAX_EQ_NAME]; struct mlx5_eq *eq, *n; int ncomp_vec; int nent; @@ -180,11 +181,10 @@ static int alloc_comp_eqs(struct mlx5_ib_dev *dev) goto clean; } - snprintf(eq->name, MLX5_MAX_EQ_NAME, "mlx5_comp%d", i); + snprintf(name, MLX5_MAX_EQ_NAME, "mlx5_comp%d", i); err = mlx5_create_map_eq(&dev->mdev, eq, i + MLX5_EQ_VEC_COMP_BASE, nent, 0, - eq->name, - &dev->mdev.priv.uuari.uars[0]); + name, &dev->mdev.priv.uuari.uars[0]); if (err) { kfree(eq); goto clean; @@ -301,9 +301,8 @@ static int mlx5_ib_query_device(struct ib_device *ibdev, props->max_srq_sge = max_rq_sg - 1; props->max_fast_reg_page_list_len = (unsigned int)-1; props->local_ca_ack_delay = dev->mdev.caps.local_ca_ack_delay; - props->atomic_cap = dev->mdev.caps.flags & MLX5_DEV_CAP_FLAG_ATOMIC ? - IB_ATOMIC_HCA : IB_ATOMIC_NONE; - props->masked_atomic_cap = IB_ATOMIC_HCA; + props->atomic_cap = IB_ATOMIC_NONE; + props->masked_atomic_cap = IB_ATOMIC_NONE; props->max_pkeys = be16_to_cpup((__be16 *)(out_mad->data + 28)); props->max_mcast_grp = 1 << dev->mdev.caps.log_max_mcg; props->max_mcast_qp_attach = dev->mdev.caps.max_qp_mcg; @@ -1006,6 +1005,11 @@ static void mlx5_ib_event(struct mlx5_core_dev *dev, enum mlx5_dev_event event, ibev.device = &ibdev->ib_dev; ibev.element.port_num = port; + if (port < 1 || port > ibdev->num_ports) { + mlx5_ib_warn(ibdev, "warning: event on port %d\n", port); + return; + } + if (ibdev->ib_active) ib_dispatch_event(&ibev); } diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c index bd41df95b6f0..3453580b1eb2 100644 --- a/drivers/infiniband/hw/mlx5/mr.c +++ b/drivers/infiniband/hw/mlx5/mr.c @@ -42,6 +42,10 @@ enum { DEF_CACHE_SIZE = 10, }; +enum { + MLX5_UMR_ALIGN = 2048 +}; + static __be64 *mr_align(__be64 *ptr, int align) { unsigned long mask = align - 1; @@ -61,13 +65,11 @@ static int order2idx(struct mlx5_ib_dev *dev, int order) static int add_keys(struct mlx5_ib_dev *dev, int c, int num) { - struct device *ddev = dev->ib_dev.dma_device; struct mlx5_mr_cache *cache = &dev->cache; struct mlx5_cache_ent *ent = &cache->ent[c]; struct mlx5_create_mkey_mbox_in *in; struct mlx5_ib_mr *mr; int npages = 1 << ent->order; - int size = sizeof(u64) * npages; int err = 0; int i; @@ -83,21 +85,6 @@ static int add_keys(struct mlx5_ib_dev *dev, int c, int num) } mr->order = ent->order; mr->umred = 1; - mr->pas = kmalloc(size + 0x3f, GFP_KERNEL); - if (!mr->pas) { - kfree(mr); - err = -ENOMEM; - goto out; - } - mr->dma = dma_map_single(ddev, mr_align(mr->pas, 0x40), size, - DMA_TO_DEVICE); - if (dma_mapping_error(ddev, mr->dma)) { - kfree(mr->pas); - kfree(mr); - err = -ENOMEM; - goto out; - } - in->seg.status = 1 << 6; in->seg.xlt_oct_size = cpu_to_be32((npages + 1) / 2); in->seg.qpn_mkey7_0 = cpu_to_be32(0xffffff << 8); @@ -108,8 +95,6 @@ static int add_keys(struct mlx5_ib_dev *dev, int c, int num) sizeof(*in)); if (err) { mlx5_ib_warn(dev, "create mkey failed %d\n", err); - dma_unmap_single(ddev, mr->dma, size, DMA_TO_DEVICE); - kfree(mr->pas); kfree(mr); goto out; } @@ -129,11 +114,9 @@ out: static void remove_keys(struct mlx5_ib_dev *dev, int c, int num) { - struct device *ddev = dev->ib_dev.dma_device; struct mlx5_mr_cache *cache = &dev->cache; struct mlx5_cache_ent *ent = &cache->ent[c]; struct mlx5_ib_mr *mr; - int size; int err; int i; @@ -149,14 +132,10 @@ static void remove_keys(struct mlx5_ib_dev *dev, int c, int num) ent->size--; spin_unlock(&ent->lock); err = mlx5_core_destroy_mkey(&dev->mdev, &mr->mmr); - if (err) { + if (err) mlx5_ib_warn(dev, "failed destroy mkey\n"); - } else { - size = ALIGN(sizeof(u64) * (1 << mr->order), 0x40); - dma_unmap_single(ddev, mr->dma, size, DMA_TO_DEVICE); - kfree(mr->pas); + else kfree(mr); - } } } @@ -408,13 +387,12 @@ static void free_cached_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr) static void clean_keys(struct mlx5_ib_dev *dev, int c) { - struct device *ddev = dev->ib_dev.dma_device; struct mlx5_mr_cache *cache = &dev->cache; struct mlx5_cache_ent *ent = &cache->ent[c]; struct mlx5_ib_mr *mr; - int size; int err; + cancel_delayed_work(&ent->dwork); while (1) { spin_lock(&ent->lock); if (list_empty(&ent->head)) { @@ -427,14 +405,10 @@ static void clean_keys(struct mlx5_ib_dev *dev, int c) ent->size--; spin_unlock(&ent->lock); err = mlx5_core_destroy_mkey(&dev->mdev, &mr->mmr); - if (err) { + if (err) mlx5_ib_warn(dev, "failed destroy mkey\n"); - } else { - size = ALIGN(sizeof(u64) * (1 << mr->order), 0x40); - dma_unmap_single(ddev, mr->dma, size, DMA_TO_DEVICE); - kfree(mr->pas); + else kfree(mr); - } } } @@ -540,13 +514,15 @@ int mlx5_mr_cache_cleanup(struct mlx5_ib_dev *dev) int i; dev->cache.stopped = 1; - destroy_workqueue(dev->cache.wq); + flush_workqueue(dev->cache.wq); mlx5_mr_cache_debugfs_cleanup(dev); for (i = 0; i < MAX_MR_CACHE_ENTRIES; i++) clean_keys(dev, i); + destroy_workqueue(dev->cache.wq); + return 0; } @@ -675,10 +651,12 @@ static struct mlx5_ib_mr *reg_umr(struct ib_pd *pd, struct ib_umem *umem, int page_shift, int order, int access_flags) { struct mlx5_ib_dev *dev = to_mdev(pd->device); + struct device *ddev = dev->ib_dev.dma_device; struct umr_common *umrc = &dev->umrc; struct ib_send_wr wr, *bad; struct mlx5_ib_mr *mr; struct ib_sge sg; + int size = sizeof(u64) * npages; int err; int i; @@ -697,7 +675,22 @@ static struct mlx5_ib_mr *reg_umr(struct ib_pd *pd, struct ib_umem *umem, if (!mr) return ERR_PTR(-EAGAIN); - mlx5_ib_populate_pas(dev, umem, page_shift, mr_align(mr->pas, 0x40), 1); + mr->pas = kmalloc(size + MLX5_UMR_ALIGN - 1, GFP_KERNEL); + if (!mr->pas) { + err = -ENOMEM; + goto error; + } + + mlx5_ib_populate_pas(dev, umem, page_shift, + mr_align(mr->pas, MLX5_UMR_ALIGN), 1); + + mr->dma = dma_map_single(ddev, mr_align(mr->pas, MLX5_UMR_ALIGN), size, + DMA_TO_DEVICE); + if (dma_mapping_error(ddev, mr->dma)) { + kfree(mr->pas); + err = -ENOMEM; + goto error; + } memset(&wr, 0, sizeof(wr)); wr.wr_id = (u64)(unsigned long)mr; @@ -718,6 +711,9 @@ static struct mlx5_ib_mr *reg_umr(struct ib_pd *pd, struct ib_umem *umem, wait_for_completion(&mr->done); up(&umrc->sem); + dma_unmap_single(ddev, mr->dma, size, DMA_TO_DEVICE); + kfree(mr->pas); + if (mr->status != IB_WC_SUCCESS) { mlx5_ib_warn(dev, "reg umr failed\n"); err = -EFAULT; diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index 045f8cdbd303..5659ea880741 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -203,7 +203,7 @@ static int sq_overhead(enum ib_qp_type qp_type) switch (qp_type) { case IB_QPT_XRC_INI: - size = sizeof(struct mlx5_wqe_xrc_seg); + size += sizeof(struct mlx5_wqe_xrc_seg); /* fall through */ case IB_QPT_RC: size += sizeof(struct mlx5_wqe_ctrl_seg) + @@ -211,20 +211,23 @@ static int sq_overhead(enum ib_qp_type qp_type) sizeof(struct mlx5_wqe_raddr_seg); break; + case IB_QPT_XRC_TGT: + return 0; + case IB_QPT_UC: - size = sizeof(struct mlx5_wqe_ctrl_seg) + + size += sizeof(struct mlx5_wqe_ctrl_seg) + sizeof(struct mlx5_wqe_raddr_seg); break; case IB_QPT_UD: case IB_QPT_SMI: case IB_QPT_GSI: - size = sizeof(struct mlx5_wqe_ctrl_seg) + + size += sizeof(struct mlx5_wqe_ctrl_seg) + sizeof(struct mlx5_wqe_datagram_seg); break; case MLX5_IB_QPT_REG_UMR: - size = sizeof(struct mlx5_wqe_ctrl_seg) + + size += sizeof(struct mlx5_wqe_ctrl_seg) + sizeof(struct mlx5_wqe_umr_ctrl_seg) + sizeof(struct mlx5_mkey_seg); break; @@ -270,7 +273,8 @@ static int calc_sq_size(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr, return wqe_size; if (wqe_size > dev->mdev.caps.max_sq_desc_sz) { - mlx5_ib_dbg(dev, "\n"); + mlx5_ib_dbg(dev, "wqe_size(%d) > max_sq_desc_sz(%d)\n", + wqe_size, dev->mdev.caps.max_sq_desc_sz); return -EINVAL; } @@ -280,9 +284,15 @@ static int calc_sq_size(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr, wq_size = roundup_pow_of_two(attr->cap.max_send_wr * wqe_size); qp->sq.wqe_cnt = wq_size / MLX5_SEND_WQE_BB; + if (qp->sq.wqe_cnt > dev->mdev.caps.max_wqes) { + mlx5_ib_dbg(dev, "wqe count(%d) exceeds limits(%d)\n", + qp->sq.wqe_cnt, dev->mdev.caps.max_wqes); + return -ENOMEM; + } qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); qp->sq.max_gs = attr->cap.max_send_sge; - qp->sq.max_post = 1 << ilog2(wq_size / wqe_size); + qp->sq.max_post = wq_size / wqe_size; + attr->cap.max_send_wr = qp->sq.max_post; return wq_size; } @@ -1280,6 +1290,11 @@ static enum mlx5_qp_optpar opt_mask[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE][MLX5_Q MLX5_QP_OPTPAR_Q_KEY, [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_PKEY_INDEX | MLX5_QP_OPTPAR_Q_KEY, + [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | + MLX5_QP_OPTPAR_RRE | + MLX5_QP_OPTPAR_RAE | + MLX5_QP_OPTPAR_RWE | + MLX5_QP_OPTPAR_PKEY_INDEX, }, }, [MLX5_QP_STATE_RTR] = { @@ -1314,6 +1329,11 @@ static enum mlx5_qp_optpar opt_mask[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE][MLX5_Q [MLX5_QP_STATE_RTS] = { [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_Q_KEY, + [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE, + [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RNR_TIMEOUT | + MLX5_QP_OPTPAR_RWE | + MLX5_QP_OPTPAR_RAE | + MLX5_QP_OPTPAR_RRE, }, }, }; @@ -1651,29 +1671,6 @@ static __always_inline void set_raddr_seg(struct mlx5_wqe_raddr_seg *rseg, rseg->reserved = 0; } -static void set_atomic_seg(struct mlx5_wqe_atomic_seg *aseg, struct ib_send_wr *wr) -{ - if (wr->opcode == IB_WR_ATOMIC_CMP_AND_SWP) { - aseg->swap_add = cpu_to_be64(wr->wr.atomic.swap); - aseg->compare = cpu_to_be64(wr->wr.atomic.compare_add); - } else if (wr->opcode == IB_WR_MASKED_ATOMIC_FETCH_AND_ADD) { - aseg->swap_add = cpu_to_be64(wr->wr.atomic.compare_add); - aseg->compare = cpu_to_be64(wr->wr.atomic.compare_add_mask); - } else { - aseg->swap_add = cpu_to_be64(wr->wr.atomic.compare_add); - aseg->compare = 0; - } -} - -static void set_masked_atomic_seg(struct mlx5_wqe_masked_atomic_seg *aseg, - struct ib_send_wr *wr) -{ - aseg->swap_add = cpu_to_be64(wr->wr.atomic.swap); - aseg->swap_add_mask = cpu_to_be64(wr->wr.atomic.swap_mask); - aseg->compare = cpu_to_be64(wr->wr.atomic.compare_add); - aseg->compare_mask = cpu_to_be64(wr->wr.atomic.compare_add_mask); -} - static void set_datagram_seg(struct mlx5_wqe_datagram_seg *dseg, struct ib_send_wr *wr) { @@ -2063,28 +2060,11 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, case IB_WR_ATOMIC_CMP_AND_SWP: case IB_WR_ATOMIC_FETCH_AND_ADD: - set_raddr_seg(seg, wr->wr.atomic.remote_addr, - wr->wr.atomic.rkey); - seg += sizeof(struct mlx5_wqe_raddr_seg); - - set_atomic_seg(seg, wr); - seg += sizeof(struct mlx5_wqe_atomic_seg); - - size += (sizeof(struct mlx5_wqe_raddr_seg) + - sizeof(struct mlx5_wqe_atomic_seg)) / 16; - break; - case IB_WR_MASKED_ATOMIC_CMP_AND_SWP: - set_raddr_seg(seg, wr->wr.atomic.remote_addr, - wr->wr.atomic.rkey); - seg += sizeof(struct mlx5_wqe_raddr_seg); - - set_masked_atomic_seg(seg, wr); - seg += sizeof(struct mlx5_wqe_masked_atomic_seg); - - size += (sizeof(struct mlx5_wqe_raddr_seg) + - sizeof(struct mlx5_wqe_masked_atomic_seg)) / 16; - break; + mlx5_ib_warn(dev, "Atomic operations are not supported yet\n"); + err = -ENOSYS; + *bad_wr = wr; + goto out; case IB_WR_LOCAL_INV: next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; diff --git a/drivers/infiniband/hw/mlx5/srq.c b/drivers/infiniband/hw/mlx5/srq.c index 84d297afd6a9..0aa478bc291a 100644 --- a/drivers/infiniband/hw/mlx5/srq.c +++ b/drivers/infiniband/hw/mlx5/srq.c @@ -295,7 +295,7 @@ struct ib_srq *mlx5_ib_create_srq(struct ib_pd *pd, mlx5_vfree(in); if (err) { mlx5_ib_dbg(dev, "create SRQ failed, err %d\n", err); - goto err_srq; + goto err_usr_kern_srq; } mlx5_ib_dbg(dev, "create SRQ with srqn 0x%x\n", srq->msrq.srqn); @@ -316,6 +316,8 @@ struct ib_srq *mlx5_ib_create_srq(struct ib_pd *pd, err_core: mlx5_core_destroy_srq(&dev->mdev, &srq->msrq); + +err_usr_kern_srq: if (pd->uobject) destroy_srq_user(pd, srq); else diff --git a/drivers/infiniband/hw/mthca/mthca_eq.c b/drivers/infiniband/hw/mthca/mthca_eq.c index 7c9d35f39d75..690201738993 100644 --- a/drivers/infiniband/hw/mthca/mthca_eq.c +++ b/drivers/infiniband/hw/mthca/mthca_eq.c @@ -357,7 +357,7 @@ static int mthca_eq_int(struct mthca_dev *dev, struct mthca_eq *eq) mthca_warn(dev, "Unhandled event %02x(%02x) on EQ %d\n", eqe->type, eqe->subtype, eq->eqn); break; - }; + } set_eqe_hw(eqe); ++eq->cons_index; diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c index 4ed8235d2d36..50219ab2279d 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c @@ -150,7 +150,7 @@ enum ib_qp_state get_ibqp_state(enum ocrdma_qp_state qps) return IB_QPS_SQE; case OCRDMA_QPS_ERR: return IB_QPS_ERR; - }; + } return IB_QPS_ERR; } @@ -171,7 +171,7 @@ static enum ocrdma_qp_state get_ocrdma_qp_state(enum ib_qp_state qps) return OCRDMA_QPS_SQE; case IB_QPS_ERR: return OCRDMA_QPS_ERR; - }; + } return OCRDMA_QPS_ERR; } @@ -1982,7 +1982,7 @@ int ocrdma_mbx_create_qp(struct ocrdma_qp *qp, struct ib_qp_init_attr *attrs, break; default: return -EINVAL; - }; + } cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_CREATE_QP, sizeof(*cmd)); if (!cmd) diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_main.c b/drivers/infiniband/hw/ocrdma/ocrdma_main.c index 56e004940f18..0ce7674621ea 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_main.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_main.c @@ -531,7 +531,7 @@ static void ocrdma_event_handler(struct ocrdma_dev *dev, u32 event) case BE_DEV_DOWN: ocrdma_close(dev); break; - }; + } } static struct ocrdma_driver ocrdma_drv = { diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c index 6e982bb43c31..69f1d1221a6b 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c @@ -141,7 +141,7 @@ static inline void get_link_speed_and_width(struct ocrdma_dev *dev, /* Unsupported */ *ib_speed = IB_SPEED_SDR; *ib_width = IB_WIDTH_1X; - }; + } } @@ -2331,7 +2331,7 @@ static enum ib_wc_status ocrdma_to_ibwc_err(u16 status) default: ibwc_status = IB_WC_GENERAL_ERR; break; - }; + } return ibwc_status; } @@ -2370,7 +2370,7 @@ static void ocrdma_update_wc(struct ocrdma_qp *qp, struct ib_wc *ibwc, pr_err("%s() invalid opcode received = 0x%x\n", __func__, hdr->cw & OCRDMA_WQE_OPCODE_MASK); break; - }; + } } static void ocrdma_set_cqe_status_flushed(struct ocrdma_qp *qp, diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index fe302e33f72e..c880ebaf1553 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -52,7 +52,7 @@ config AMD_IOMMU select PCI_PRI select PCI_PASID select IOMMU_API - depends on X86_64 && PCI && ACPI && X86_IO_APIC + depends on X86_64 && PCI && ACPI ---help--- With this option you can enable support for AMD IOMMU hardware in your system. An IOMMU is a hardware component which provides diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c index 71eb233b9ace..b6a74bcbb08f 100644 --- a/drivers/md/bcache/request.c +++ b/drivers/md/bcache/request.c @@ -996,6 +996,7 @@ static void request_write(struct cached_dev *dc, struct search *s) closure_bio_submit(bio, cl, s->d); } else { bch_writeback_add(dc); + s->op.cache_bio = bio; if (bio->bi_rw & REQ_FLUSH) { /* Also need to send a flush to the backing device */ @@ -1008,8 +1009,6 @@ static void request_write(struct cached_dev *dc, struct search *s) flush->bi_private = cl; closure_bio_submit(flush, cl, s->d); - } else { - s->op.cache_bio = bio; } } out: diff --git a/drivers/md/dm-snap-persistent.c b/drivers/md/dm-snap-persistent.c index 4caa8e6d59d7..2d2b1b7588d7 100644 --- a/drivers/md/dm-snap-persistent.c +++ b/drivers/md/dm-snap-persistent.c @@ -269,6 +269,14 @@ static chunk_t area_location(struct pstore *ps, chunk_t area) return NUM_SNAPSHOT_HDR_CHUNKS + ((ps->exceptions_per_area + 1) * area); } +static void skip_metadata(struct pstore *ps) +{ + uint32_t stride = ps->exceptions_per_area + 1; + chunk_t next_free = ps->next_free; + if (sector_div(next_free, stride) == NUM_SNAPSHOT_HDR_CHUNKS) + ps->next_free++; +} + /* * Read or write a metadata area. Remembering to skip the first * chunk which holds the header. @@ -502,6 +510,8 @@ static int read_exceptions(struct pstore *ps, ps->current_area--; + skip_metadata(ps); + return 0; } @@ -616,8 +626,6 @@ static int persistent_prepare_exception(struct dm_exception_store *store, struct dm_exception *e) { struct pstore *ps = get_info(store); - uint32_t stride; - chunk_t next_free; sector_t size = get_dev_size(dm_snap_cow(store->snap)->bdev); /* Is there enough room ? */ @@ -630,10 +638,8 @@ static int persistent_prepare_exception(struct dm_exception_store *store, * Move onto the next free pending, making sure to take * into account the location of the metadata chunks. */ - stride = (ps->exceptions_per_area + 1); - next_free = ++ps->next_free; - if (sector_div(next_free, stride) == 1) - ps->next_free++; + ps->next_free++; + skip_metadata(ps); atomic_inc(&ps->pending_count); return 0; diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c index 5ac3aa48473b..022b1863d36c 100644 --- a/drivers/mfd/arizona-core.c +++ b/drivers/mfd/arizona-core.c @@ -569,13 +569,25 @@ static struct mfd_cell early_devs[] = { { .name = "arizona-ldo1" }, }; +static const char *wm5102_supplies[] = { + "DBVDD2", + "DBVDD3", + "CPVDD", + "SPKVDDL", + "SPKVDDR", +}; + static struct mfd_cell wm5102_devs[] = { { .name = "arizona-micsupp" }, { .name = "arizona-extcon" }, { .name = "arizona-gpio" }, { .name = "arizona-haptics" }, { .name = "arizona-pwm" }, - { .name = "wm5102-codec" }, + { + .name = "wm5102-codec", + .parent_supplies = wm5102_supplies, + .num_parent_supplies = ARRAY_SIZE(wm5102_supplies), + }, }; static struct mfd_cell wm5110_devs[] = { @@ -584,7 +596,17 @@ static struct mfd_cell wm5110_devs[] = { { .name = "arizona-gpio" }, { .name = "arizona-haptics" }, { .name = "arizona-pwm" }, - { .name = "wm5110-codec" }, + { + .name = "wm5110-codec", + .parent_supplies = wm5102_supplies, + .num_parent_supplies = ARRAY_SIZE(wm5102_supplies), + }, +}; + +static const char *wm8997_supplies[] = { + "DBVDD2", + "CPVDD", + "SPKVDD", }; static struct mfd_cell wm8997_devs[] = { @@ -593,7 +615,11 @@ static struct mfd_cell wm8997_devs[] = { { .name = "arizona-gpio" }, { .name = "arizona-haptics" }, { .name = "arizona-pwm" }, - { .name = "wm8997-codec" }, + { + .name = "wm8997-codec", + .parent_supplies = wm8997_supplies, + .num_parent_supplies = ARRAY_SIZE(wm8997_supplies), + }, }; int arizona_dev_init(struct arizona *arizona) diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c index f421586f29fb..adc8ea36e7c4 100644 --- a/drivers/mfd/mfd-core.c +++ b/drivers/mfd/mfd-core.c @@ -20,6 +20,7 @@ #include <linux/module.h> #include <linux/irqdomain.h> #include <linux/of.h> +#include <linux/regulator/consumer.h> static struct device_type mfd_dev_type = { .name = "mfd_device", @@ -99,6 +100,13 @@ static int mfd_add_device(struct device *parent, int id, pdev->dev.dma_mask = parent->dma_mask; pdev->dev.dma_parms = parent->dma_parms; + ret = devm_regulator_bulk_register_supply_alias( + &pdev->dev, cell->parent_supplies, + parent, cell->parent_supplies, + cell->num_parent_supplies); + if (ret < 0) + goto fail_res; + if (parent->of_node && cell->of_compatible) { for_each_child_of_node(parent->of_node, np) { if (of_device_is_compatible(np, cell->of_compatible)) { @@ -112,12 +120,12 @@ static int mfd_add_device(struct device *parent, int id, ret = platform_device_add_data(pdev, cell->platform_data, cell->pdata_size); if (ret) - goto fail_res; + goto fail_alias; } ret = mfd_platform_add_cell(pdev, cell); if (ret) - goto fail_res; + goto fail_alias; for (r = 0; r < cell->num_resources; r++) { res[r].name = cell->resources[r].name; @@ -152,17 +160,17 @@ static int mfd_add_device(struct device *parent, int id, if (!cell->ignore_resource_conflicts) { ret = acpi_check_resource_conflict(&res[r]); if (ret) - goto fail_res; + goto fail_alias; } } ret = platform_device_add_resources(pdev, res, cell->num_resources); if (ret) - goto fail_res; + goto fail_alias; ret = platform_device_add(pdev); if (ret) - goto fail_res; + goto fail_alias; if (cell->pm_runtime_no_callbacks) pm_runtime_no_callbacks(&pdev->dev); @@ -171,6 +179,10 @@ static int mfd_add_device(struct device *parent, int id, return 0; +fail_alias: + devm_regulator_bulk_unregister_supply_alias(&pdev->dev, + cell->parent_supplies, + cell->num_parent_supplies); fail_res: kfree(res); fail_device: diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c index 26b14f9fcac6..6bc9618af094 100644 --- a/drivers/mtd/devices/m25p80.c +++ b/drivers/mtd/devices/m25p80.c @@ -168,12 +168,25 @@ static inline int write_disable(struct m25p *flash) */ static inline int set_4byte(struct m25p *flash, u32 jedec_id, int enable) { + int status; + bool need_wren = false; + switch (JEDEC_MFR(jedec_id)) { - case CFI_MFR_MACRONIX: case CFI_MFR_ST: /* Micron, actually */ + /* Some Micron need WREN command; all will accept it */ + need_wren = true; + case CFI_MFR_MACRONIX: case 0xEF /* winbond */: + if (need_wren) + write_enable(flash); + flash->command[0] = enable ? OPCODE_EN4B : OPCODE_EX4B; - return spi_write(flash->spi, flash->command, 1); + status = spi_write(flash->spi, flash->command, 1); + + if (need_wren) + write_disable(flash); + + return status; default: /* Spansion style */ flash->command[0] = OPCODE_BRWR; diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 7ed4841327f2..d340b2f198c6 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -2869,10 +2869,8 @@ static int nand_flash_detect_ext_param_page(struct mtd_info *mtd, len = le16_to_cpu(p->ext_param_page_length) * 16; ep = kmalloc(len, GFP_KERNEL); - if (!ep) { - ret = -ENOMEM; - goto ext_out; - } + if (!ep) + return -ENOMEM; /* Send our own NAND_CMD_PARAM. */ chip->cmdfunc(mtd, NAND_CMD_PARAM, 0, -1); @@ -2920,7 +2918,7 @@ static int nand_flash_detect_ext_param_page(struct mtd_info *mtd, } pr_info("ONFI extended param page detected.\n"); - return 0; + ret = 0; ext_out: kfree(ep); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c index 5472cbd34028..6ca30739625f 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c @@ -180,28 +180,32 @@ static int verify_block_sig(struct mlx5_cmd_prot_block *block) return 0; } -static void calc_block_sig(struct mlx5_cmd_prot_block *block, u8 token) +static void calc_block_sig(struct mlx5_cmd_prot_block *block, u8 token, + int csum) { block->token = token; - block->ctrl_sig = ~xor8_buf(block->rsvd0, sizeof(*block) - sizeof(block->data) - 2); - block->sig = ~xor8_buf(block, sizeof(*block) - 1); + if (csum) { + block->ctrl_sig = ~xor8_buf(block->rsvd0, sizeof(*block) - + sizeof(block->data) - 2); + block->sig = ~xor8_buf(block, sizeof(*block) - 1); + } } -static void calc_chain_sig(struct mlx5_cmd_msg *msg, u8 token) +static void calc_chain_sig(struct mlx5_cmd_msg *msg, u8 token, int csum) { struct mlx5_cmd_mailbox *next = msg->next; while (next) { - calc_block_sig(next->buf, token); + calc_block_sig(next->buf, token, csum); next = next->next; } } -static void set_signature(struct mlx5_cmd_work_ent *ent) +static void set_signature(struct mlx5_cmd_work_ent *ent, int csum) { ent->lay->sig = ~xor8_buf(ent->lay, sizeof(*ent->lay)); - calc_chain_sig(ent->in, ent->token); - calc_chain_sig(ent->out, ent->token); + calc_chain_sig(ent->in, ent->token, csum); + calc_chain_sig(ent->out, ent->token, csum); } static void poll_timeout(struct mlx5_cmd_work_ent *ent) @@ -539,8 +543,7 @@ static void cmd_work_handler(struct work_struct *work) lay->type = MLX5_PCI_CMD_XPORT; lay->token = ent->token; lay->status_own = CMD_OWNER_HW; - if (!cmd->checksum_disabled) - set_signature(ent); + set_signature(ent, !cmd->checksum_disabled); dump_command(dev, ent, 1); ktime_get_ts(&ent->ts1); @@ -773,8 +776,6 @@ static int mlx5_copy_from_msg(void *to, struct mlx5_cmd_msg *from, int size) copy = min_t(int, size, MLX5_CMD_DATA_BLOCK_SIZE); block = next->buf; - if (xor8_buf(block, sizeof(*block)) != 0xff) - return -EINVAL; memcpy(to, block->data, copy); to += copy; @@ -1361,6 +1362,7 @@ int mlx5_cmd_init(struct mlx5_core_dev *dev) goto err_map; } + cmd->checksum_disabled = 1; cmd->max_reg_cmds = (1 << cmd->log_sz) - 1; cmd->bitmask = (1 << cmd->max_reg_cmds) - 1; @@ -1510,7 +1512,7 @@ int mlx5_cmd_status_to_err(struct mlx5_outbox_hdr *hdr) case MLX5_CMD_STAT_BAD_SYS_STATE_ERR: return -EIO; case MLX5_CMD_STAT_BAD_RES_ERR: return -EINVAL; case MLX5_CMD_STAT_RES_BUSY: return -EBUSY; - case MLX5_CMD_STAT_LIM_ERR: return -EINVAL; + case MLX5_CMD_STAT_LIM_ERR: return -ENOMEM; case MLX5_CMD_STAT_BAD_RES_STATE_ERR: return -EINVAL; case MLX5_CMD_STAT_IX_ERR: return -EINVAL; case MLX5_CMD_STAT_NO_RES_ERR: return -EAGAIN; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eq.c b/drivers/net/ethernet/mellanox/mlx5/core/eq.c index 443cc4d7b024..2231d93cc7ad 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c @@ -366,9 +366,11 @@ int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx, goto err_in; } + snprintf(eq->name, MLX5_MAX_EQ_NAME, "%s@pci:%s", + name, pci_name(dev->pdev)); eq->eqn = out.eq_number; err = request_irq(table->msix_arr[vecidx].vector, mlx5_msix_handler, 0, - name, eq); + eq->name, eq); if (err) goto err_eq; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index b47739b0b5f6..bc0f5fb66e24 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -165,9 +165,7 @@ static int handle_hca_cap(struct mlx5_core_dev *dev) struct mlx5_cmd_set_hca_cap_mbox_in *set_ctx = NULL; struct mlx5_cmd_query_hca_cap_mbox_in query_ctx; struct mlx5_cmd_set_hca_cap_mbox_out set_out; - struct mlx5_profile *prof = dev->profile; u64 flags; - int csum = 1; int err; memset(&query_ctx, 0, sizeof(query_ctx)); @@ -197,20 +195,14 @@ static int handle_hca_cap(struct mlx5_core_dev *dev) memcpy(&set_ctx->hca_cap, &query_out->hca_cap, sizeof(set_ctx->hca_cap)); - if (prof->mask & MLX5_PROF_MASK_CMDIF_CSUM) { - csum = !!prof->cmdif_csum; - flags = be64_to_cpu(set_ctx->hca_cap.flags); - if (csum) - flags |= MLX5_DEV_CAP_FLAG_CMDIF_CSUM; - else - flags &= ~MLX5_DEV_CAP_FLAG_CMDIF_CSUM; - - set_ctx->hca_cap.flags = cpu_to_be64(flags); - } - if (dev->profile->mask & MLX5_PROF_MASK_QP_SIZE) set_ctx->hca_cap.log_max_qp = dev->profile->log_max_qp; + flags = be64_to_cpu(query_out->hca_cap.flags); + /* disable checksum */ + flags &= ~MLX5_DEV_CAP_FLAG_CMDIF_CSUM; + + set_ctx->hca_cap.flags = cpu_to_be64(flags); memset(&set_out, 0, sizeof(set_out)); set_ctx->hca_cap.log_uar_page_sz = cpu_to_be16(PAGE_SHIFT - 12); set_ctx->hdr.opcode = cpu_to_be16(MLX5_CMD_OP_SET_HCA_CAP); @@ -225,9 +217,6 @@ static int handle_hca_cap(struct mlx5_core_dev *dev) if (err) goto query_ex; - if (!csum) - dev->cmd.checksum_disabled = 1; - query_ex: kfree(query_out); kfree(set_ctx); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c index 3a2408d44820..7b12acf210f8 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c @@ -90,6 +90,10 @@ struct mlx5_manage_pages_outbox { __be64 pas[0]; }; +enum { + MAX_RECLAIM_TIME_MSECS = 5000, +}; + static int insert_page(struct mlx5_core_dev *dev, u64 addr, struct page *page, u16 func_id) { struct rb_root *root = &dev->priv.page_root; @@ -279,6 +283,9 @@ static int reclaim_pages(struct mlx5_core_dev *dev, u32 func_id, int npages, int err; int i; + if (nclaimed) + *nclaimed = 0; + memset(&in, 0, sizeof(in)); outlen = sizeof(*out) + npages * sizeof(out->pas[0]); out = mlx5_vzalloc(outlen); @@ -388,20 +395,25 @@ static int optimal_reclaimed_pages(void) int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev) { - unsigned long end = jiffies + msecs_to_jiffies(5000); + unsigned long end = jiffies + msecs_to_jiffies(MAX_RECLAIM_TIME_MSECS); struct fw_page *fwp; struct rb_node *p; + int nclaimed = 0; int err; do { p = rb_first(&dev->priv.page_root); if (p) { fwp = rb_entry(p, struct fw_page, rb_node); - err = reclaim_pages(dev, fwp->func_id, optimal_reclaimed_pages(), NULL); + err = reclaim_pages(dev, fwp->func_id, + optimal_reclaimed_pages(), + &nclaimed); if (err) { mlx5_core_warn(dev, "failed reclaiming pages (%d)\n", err); return err; } + if (nclaimed) + end = jiffies + msecs_to_jiffies(MAX_RECLAIM_TIME_MSECS); } if (time_after(jiffies, end)) { mlx5_core_warn(dev, "FW did not return all pages. giving up...\n"); diff --git a/drivers/of/Kconfig b/drivers/of/Kconfig index 9d2009a9004d..78cc76053328 100644 --- a/drivers/of/Kconfig +++ b/drivers/of/Kconfig @@ -74,10 +74,4 @@ config OF_MTD depends on MTD def_bool y -config OF_RESERVED_MEM - depends on OF_FLATTREE && (DMA_CMA || (HAVE_GENERIC_DMA_COHERENT && HAVE_MEMBLOCK)) - def_bool y - help - Initialization code for DMA reserved memory - endmenu # OF diff --git a/drivers/of/Makefile b/drivers/of/Makefile index ed9660adad77..efd05102c405 100644 --- a/drivers/of/Makefile +++ b/drivers/of/Makefile @@ -9,4 +9,3 @@ obj-$(CONFIG_OF_MDIO) += of_mdio.o obj-$(CONFIG_OF_PCI) += of_pci.o obj-$(CONFIG_OF_PCI_IRQ) += of_pci_irq.o obj-$(CONFIG_OF_MTD) += of_mtd.o -obj-$(CONFIG_OF_RESERVED_MEM) += of_reserved_mem.o diff --git a/drivers/of/base.c b/drivers/of/base.c index 865d3f66c86b..7d4c70f859e3 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -303,10 +303,8 @@ struct device_node *of_get_cpu_node(int cpu, unsigned int *thread) struct device_node *cpun, *cpus; cpus = of_find_node_by_path("/cpus"); - if (!cpus) { - pr_warn("Missing cpus node, bailing out\n"); + if (!cpus) return NULL; - } for_each_child_of_node(cpus, cpun) { if (of_node_cmp(cpun->type, "cpu")) diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index 229dd9d69e18..a4fa9ad31b8f 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -18,7 +18,6 @@ #include <linux/string.h> #include <linux/errno.h> #include <linux/slab.h> -#include <linux/random.h> #include <asm/setup.h> /* for COMMAND_LINE_SIZE */ #ifdef CONFIG_PPC @@ -803,14 +802,3 @@ void __init unflatten_device_tree(void) } #endif /* CONFIG_OF_EARLY_FLATTREE */ - -/* Feed entire flattened device tree into the random pool */ -static int __init add_fdt_randomness(void) -{ - if (initial_boot_params) - add_device_randomness(initial_boot_params, - be32_to_cpu(initial_boot_params->totalsize)); - - return 0; -} -core_initcall(add_fdt_randomness); diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c deleted file mode 100644 index 0fe40c7d6904..000000000000 --- a/drivers/of/of_reserved_mem.c +++ /dev/null @@ -1,173 +0,0 @@ -/* - * Device tree based initialization code for reserved memory. - * - * Copyright (c) 2013 Samsung Electronics Co., Ltd. - * http://www.samsung.com - * Author: Marek Szyprowski <m.szyprowski@samsung.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License or (at your optional) any later version of the license. - */ - -#include <linux/memblock.h> -#include <linux/err.h> -#include <linux/of.h> -#include <linux/of_fdt.h> -#include <linux/of_platform.h> -#include <linux/mm.h> -#include <linux/sizes.h> -#include <linux/mm_types.h> -#include <linux/dma-contiguous.h> -#include <linux/dma-mapping.h> -#include <linux/of_reserved_mem.h> - -#define MAX_RESERVED_REGIONS 16 -struct reserved_mem { - phys_addr_t base; - unsigned long size; - struct cma *cma; - char name[32]; -}; -static struct reserved_mem reserved_mem[MAX_RESERVED_REGIONS]; -static int reserved_mem_count; - -static int __init fdt_scan_reserved_mem(unsigned long node, const char *uname, - int depth, void *data) -{ - struct reserved_mem *rmem = &reserved_mem[reserved_mem_count]; - phys_addr_t base, size; - int is_cma, is_reserved; - unsigned long len; - const char *status; - __be32 *prop; - - is_cma = IS_ENABLED(CONFIG_DMA_CMA) && - of_flat_dt_is_compatible(node, "linux,contiguous-memory-region"); - is_reserved = of_flat_dt_is_compatible(node, "reserved-memory-region"); - - if (!is_reserved && !is_cma) { - /* ignore node and scan next one */ - return 0; - } - - status = of_get_flat_dt_prop(node, "status", &len); - if (status && strcmp(status, "okay") != 0) { - /* ignore disabled node nad scan next one */ - return 0; - } - - prop = of_get_flat_dt_prop(node, "reg", &len); - if (!prop || (len < (dt_root_size_cells + dt_root_addr_cells) * - sizeof(__be32))) { - pr_err("Reserved mem: node %s, incorrect \"reg\" property\n", - uname); - /* ignore node and scan next one */ - return 0; - } - base = dt_mem_next_cell(dt_root_addr_cells, &prop); - size = dt_mem_next_cell(dt_root_size_cells, &prop); - - if (!size) { - /* ignore node and scan next one */ - return 0; - } - - pr_info("Reserved mem: found %s, memory base %lx, size %ld MiB\n", - uname, (unsigned long)base, (unsigned long)size / SZ_1M); - - if (reserved_mem_count == ARRAY_SIZE(reserved_mem)) - return -ENOSPC; - - rmem->base = base; - rmem->size = size; - strlcpy(rmem->name, uname, sizeof(rmem->name)); - - if (is_cma) { - struct cma *cma; - if (dma_contiguous_reserve_area(size, base, 0, &cma) == 0) { - rmem->cma = cma; - reserved_mem_count++; - if (of_get_flat_dt_prop(node, - "linux,default-contiguous-region", - NULL)) - dma_contiguous_set_default(cma); - } - } else if (is_reserved) { - if (memblock_remove(base, size) == 0) - reserved_mem_count++; - else - pr_err("Failed to reserve memory for %s\n", uname); - } - - return 0; -} - -static struct reserved_mem *get_dma_memory_region(struct device *dev) -{ - struct device_node *node; - const char *name; - int i; - - node = of_parse_phandle(dev->of_node, "memory-region", 0); - if (!node) - return NULL; - - name = kbasename(node->full_name); - for (i = 0; i < reserved_mem_count; i++) - if (strcmp(name, reserved_mem[i].name) == 0) - return &reserved_mem[i]; - return NULL; -} - -/** - * of_reserved_mem_device_init() - assign reserved memory region to given device - * - * This function assign memory region pointed by "memory-region" device tree - * property to the given device. - */ -void of_reserved_mem_device_init(struct device *dev) -{ - struct reserved_mem *region = get_dma_memory_region(dev); - if (!region) - return; - - if (region->cma) { - dev_set_cma_area(dev, region->cma); - pr_info("Assigned CMA %s to %s device\n", region->name, - dev_name(dev)); - } else { - if (dma_declare_coherent_memory(dev, region->base, region->base, - region->size, DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE) != 0) - pr_info("Declared reserved memory %s to %s device\n", - region->name, dev_name(dev)); - } -} - -/** - * of_reserved_mem_device_release() - release reserved memory device structures - * - * This function releases structures allocated for memory region handling for - * the given device. - */ -void of_reserved_mem_device_release(struct device *dev) -{ - struct reserved_mem *region = get_dma_memory_region(dev); - if (!region && !region->cma) - dma_release_declared_memory(dev); -} - -/** - * early_init_dt_scan_reserved_mem() - create reserved memory regions - * - * This function grabs memory from early allocator for device exclusive use - * defined in device tree structures. It should be called by arch specific code - * once the early allocator (memblock) has been activated and all other - * subsystems have already allocated/reserved memory. - */ -void __init early_init_dt_scan_reserved_mem(void) -{ - of_scan_flat_dt_by_path("/memory/reserved-memory", - fdt_scan_reserved_mem, NULL); -} diff --git a/drivers/of/platform.c b/drivers/of/platform.c index 9b439ac63d8e..f6dcde220821 100644 --- a/drivers/of/platform.c +++ b/drivers/of/platform.c @@ -21,7 +21,6 @@ #include <linux/of_device.h> #include <linux/of_irq.h> #include <linux/of_platform.h> -#include <linux/of_reserved_mem.h> #include <linux/platform_device.h> const struct of_device_id of_default_bus_match_table[] = { @@ -219,8 +218,6 @@ static struct platform_device *of_platform_device_create_pdata( dev->dev.bus = &platform_bus_type; dev->dev.platform_data = platform_data; - of_reserved_mem_device_init(&dev->dev); - /* We do not fill the DMA ops for platform devices by default. * This is currently the responsibility of the platform code * to do such, possibly using a device notifier @@ -228,7 +225,6 @@ static struct platform_device *of_platform_device_create_pdata( if (of_device_add(dev) != 0) { platform_device_put(dev); - of_reserved_mem_device_release(&dev->dev); return NULL; } diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c index 0b7d23b4ad95..be12fbfcae10 100644 --- a/drivers/pci/hotplug/acpiphp_glue.c +++ b/drivers/pci/hotplug/acpiphp_glue.c @@ -994,14 +994,16 @@ void acpiphp_enumerate_slots(struct pci_bus *bus) /* * This bridge should have been registered as a hotplug function - * under its parent, so the context has to be there. If not, we - * are in deep goo. + * under its parent, so the context should be there, unless the + * parent is going to be handled by pciehp, in which case this + * bridge is not interesting to us either. */ mutex_lock(&acpiphp_context_lock); context = acpiphp_get_context(handle); - if (WARN_ON(!context)) { + if (!context) { mutex_unlock(&acpiphp_context_lock); put_device(&bus->dev); + pci_dev_put(bridge->pci_dev); kfree(bridge); return; } diff --git a/drivers/regulator/88pm800.c b/drivers/regulator/88pm800.c index 3459f60dcfd1..d333f7eac106 100644 --- a/drivers/regulator/88pm800.c +++ b/drivers/regulator/88pm800.c @@ -141,18 +141,14 @@ struct pm800_regulators { /* Ranges are sorted in ascending order. */ static const struct regulator_linear_range buck1_volt_range[] = { - { .min_uV = 600000, .max_uV = 1587500, .min_sel = 0, .max_sel = 0x4f, - .uV_step = 12500 }, - { .min_uV = 1600000, .max_uV = 1800000, .min_sel = 0x50, - .max_sel = 0x54, .uV_step = 50000 }, + REGULATOR_LINEAR_RANGE(600000, 0, 0x4f, 12500), + REGULATOR_LINEAR_RANGE(1600000, 0x50, 0x54, 50000), }; /* BUCK 2~5 have same ranges. */ static const struct regulator_linear_range buck2_5_volt_range[] = { - { .min_uV = 600000, .max_uV = 1587500, .min_sel = 0, .max_sel = 0x4f, - .uV_step = 12500 }, - { .min_uV = 1600000, .max_uV = 3300000, .min_sel = 0x50, - .max_sel = 0x72, .uV_step = 50000 }, + REGULATOR_LINEAR_RANGE(600000, 0, 0x4f, 12500), + REGULATOR_LINEAR_RANGE(1600000, 0x50, 0x72, 50000), }; static const unsigned int ldo1_volt_table[] = { diff --git a/drivers/regulator/88pm8607.c b/drivers/regulator/88pm8607.c index 70230974468c..f704d83c93c4 100644 --- a/drivers/regulator/88pm8607.c +++ b/drivers/regulator/88pm8607.c @@ -391,7 +391,8 @@ static int pm8607_regulator_probe(struct platform_device *pdev) else config.regmap = chip->regmap_companion; - info->regulator = regulator_register(&info->desc, &config); + info->regulator = devm_regulator_register(&pdev->dev, &info->desc, + &config); if (IS_ERR(info->regulator)) { dev_err(&pdev->dev, "failed to register regulator %s\n", info->desc.name); @@ -402,14 +403,6 @@ static int pm8607_regulator_probe(struct platform_device *pdev) return 0; } -static int pm8607_regulator_remove(struct platform_device *pdev) -{ - struct pm8607_regulator_info *info = platform_get_drvdata(pdev); - - regulator_unregister(info->regulator); - return 0; -} - static struct platform_device_id pm8607_regulator_driver_ids[] = { { .name = "88pm860x-regulator", @@ -428,7 +421,6 @@ static struct platform_driver pm8607_regulator_driver = { .owner = THIS_MODULE, }, .probe = pm8607_regulator_probe, - .remove = pm8607_regulator_remove, .id_table = pm8607_regulator_driver_ids, }; diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index dfe58096b374..ce785f481281 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -28,16 +28,6 @@ config REGULATOR_DEBUG help Say yes here to enable debugging support. -config REGULATOR_DUMMY - bool "Provide a dummy regulator if regulator lookups fail" - help - If this option is enabled then when a regulator lookup fails - and the board has not specified that it has provided full - constraints the regulator core will provide an always - enabled dummy regulator, allowing consumer drivers to continue. - - A warning will be generated when this substitution is done. - config REGULATOR_FIXED_VOLTAGE tristate "Fixed voltage regulator support" help @@ -133,6 +123,14 @@ config REGULATOR_AS3711 This driver provides support for the voltage regulators on the AS3711 PMIC +config REGULATOR_AS3722 + tristate "AMS AS3722 PMIC Regulators" + depends on MFD_AS3722 + help + This driver provides support for the voltage regulators on the + AS3722 PMIC. This will enable support for all the software + controllable DCDC/LDO regulators. + config REGULATOR_DA903X tristate "Dialog Semiconductor DA9030/DA9034 regulators" depends on PMIC_DA903X @@ -429,6 +427,14 @@ config REGULATOR_TI_ABB on TI SoCs may be unstable without enabling this as it provides device specific optimized bias to allow/optimize functionality. +config REGULATOR_STW481X_VMMC + bool "ST Microelectronics STW481X VMMC regulator" + depends on MFD_STW481X + default y if MFD_STW481X + help + This driver supports the internal VMMC regulator in the STw481x + PMIC chips. + config REGULATOR_TPS51632 tristate "TI TPS51632 Power Regulator" depends on I2C diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index 185cce246022..01c597ea1744 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -3,7 +3,7 @@ # -obj-$(CONFIG_REGULATOR) += core.o dummy.o fixed-helper.o helpers.o +obj-$(CONFIG_REGULATOR) += core.o dummy.o fixed-helper.o helpers.o devres.o obj-$(CONFIG_OF) += of_regulator.o obj-$(CONFIG_REGULATOR_FIXED_VOLTAGE) += fixed.o obj-$(CONFIG_REGULATOR_VIRTUAL_CONSUMER) += virtual.o @@ -18,6 +18,7 @@ obj-$(CONFIG_REGULATOR_AD5398) += ad5398.o obj-$(CONFIG_REGULATOR_ANATOP) += anatop-regulator.o obj-$(CONFIG_REGULATOR_ARIZONA) += arizona-micsupp.o arizona-ldo1.o obj-$(CONFIG_REGULATOR_AS3711) += as3711-regulator.o +obj-$(CONFIG_REGULATOR_AS3722) += as3722-regulator.o obj-$(CONFIG_REGULATOR_DA903X) += da903x.o obj-$(CONFIG_REGULATOR_DA9052) += da9052-regulator.o obj-$(CONFIG_REGULATOR_DA9055) += da9055-regulator.o @@ -56,6 +57,7 @@ obj-$(CONFIG_REGULATOR_PCF50633) += pcf50633-regulator.o obj-$(CONFIG_REGULATOR_RC5T583) += rc5t583-regulator.o obj-$(CONFIG_REGULATOR_S2MPS11) += s2mps11.o obj-$(CONFIG_REGULATOR_S5M8767) += s5m8767.o +obj-$(CONFIG_REGULATOR_STW481X_VMMC) += stw481x-vmmc.o obj-$(CONFIG_REGULATOR_TI_ABB) += ti-abb-regulator.o obj-$(CONFIG_REGULATOR_TPS6105X) += tps6105x-regulator.o obj-$(CONFIG_REGULATOR_TPS62360) += tps62360-regulator.o diff --git a/drivers/regulator/aat2870-regulator.c b/drivers/regulator/aat2870-regulator.c index 881159dfcb5e..f70a9bfa5ff2 100644 --- a/drivers/regulator/aat2870-regulator.c +++ b/drivers/regulator/aat2870-regulator.c @@ -176,7 +176,7 @@ static int aat2870_regulator_probe(struct platform_device *pdev) config.driver_data = ri; config.init_data = dev_get_platdata(&pdev->dev); - rdev = regulator_register(&ri->desc, &config); + rdev = devm_regulator_register(&pdev->dev, &ri->desc, &config); if (IS_ERR(rdev)) { dev_err(&pdev->dev, "Failed to register regulator %s\n", ri->desc.name); @@ -187,21 +187,12 @@ static int aat2870_regulator_probe(struct platform_device *pdev) return 0; } -static int aat2870_regulator_remove(struct platform_device *pdev) -{ - struct regulator_dev *rdev = platform_get_drvdata(pdev); - - regulator_unregister(rdev); - return 0; -} - static struct platform_driver aat2870_regulator_driver = { .driver = { .name = "aat2870-regulator", .owner = THIS_MODULE, }, .probe = aat2870_regulator_probe, - .remove = aat2870_regulator_remove, }; static int __init aat2870_regulator_init(void) diff --git a/drivers/regulator/ab3100.c b/drivers/regulator/ab3100.c index 7d5eaa874b2d..77b46d0b37a6 100644 --- a/drivers/regulator/ab3100.c +++ b/drivers/regulator/ab3100.c @@ -535,7 +535,7 @@ static int ab3100_regulator_register(struct platform_device *pdev, config.dev = &pdev->dev; config.driver_data = reg; - rdev = regulator_register(desc, &config); + rdev = devm_regulator_register(&pdev->dev, desc, &config); if (IS_ERR(rdev)) { err = PTR_ERR(rdev); dev_err(&pdev->dev, @@ -616,7 +616,6 @@ static int ab3100_regulators_remove(struct platform_device *pdev) for (i = 0; i < AB3100_NUM_REGULATORS; i++) { struct ab3100_regulator *reg = &ab3100_regulators[i]; - regulator_unregister(reg->rdev); reg->rdev = NULL; } return 0; diff --git a/drivers/regulator/ab8500-ext.c b/drivers/regulator/ab8500-ext.c index 02ff691cdb8b..29c0faaf8eba 100644 --- a/drivers/regulator/ab8500-ext.c +++ b/drivers/regulator/ab8500-ext.c @@ -413,16 +413,12 @@ static int ab8500_ext_regulator_probe(struct platform_device *pdev) &pdata->ext_regulator[i]; /* register regulator with framework */ - info->rdev = regulator_register(&info->desc, &config); + info->rdev = devm_regulator_register(&pdev->dev, &info->desc, + &config); if (IS_ERR(info->rdev)) { err = PTR_ERR(info->rdev); dev_err(&pdev->dev, "failed to register regulator %s\n", info->desc.name); - /* when we fail, un-register all earlier regulators */ - while (--i >= 0) { - info = &ab8500_ext_regulator_info[i]; - regulator_unregister(info->rdev); - } return err; } @@ -433,26 +429,8 @@ static int ab8500_ext_regulator_probe(struct platform_device *pdev) return 0; } -static int ab8500_ext_regulator_remove(struct platform_device *pdev) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(ab8500_ext_regulator_info); i++) { - struct ab8500_ext_regulator_info *info = NULL; - info = &ab8500_ext_regulator_info[i]; - - dev_vdbg(rdev_get_dev(info->rdev), - "%s-remove\n", info->desc.name); - - regulator_unregister(info->rdev); - } - - return 0; -} - static struct platform_driver ab8500_ext_regulator_driver = { .probe = ab8500_ext_regulator_probe, - .remove = ab8500_ext_regulator_remove, .driver = { .name = "ab8500-ext-regulator", .owner = THIS_MODULE, diff --git a/drivers/regulator/ad5398.c b/drivers/regulator/ad5398.c index b2b203cb6b2f..48016a050d5f 100644 --- a/drivers/regulator/ad5398.c +++ b/drivers/regulator/ad5398.c @@ -219,7 +219,6 @@ static int ad5398_probe(struct i2c_client *client, struct ad5398_chip_info *chip; const struct ad5398_current_data_format *df = (struct ad5398_current_data_format *)id->driver_data; - int ret; if (!init_data) return -EINVAL; @@ -240,33 +239,21 @@ static int ad5398_probe(struct i2c_client *client, chip->current_offset = df->current_offset; chip->current_mask = (chip->current_level - 1) << chip->current_offset; - chip->rdev = regulator_register(&ad5398_reg, &config); + chip->rdev = devm_regulator_register(&client->dev, &ad5398_reg, + &config); if (IS_ERR(chip->rdev)) { - ret = PTR_ERR(chip->rdev); dev_err(&client->dev, "failed to register %s %s\n", id->name, ad5398_reg.name); - goto err; + return PTR_ERR(chip->rdev); } i2c_set_clientdata(client, chip); dev_dbg(&client->dev, "%s regulator driver is registered.\n", id->name); return 0; - -err: - return ret; -} - -static int ad5398_remove(struct i2c_client *client) -{ - struct ad5398_chip_info *chip = i2c_get_clientdata(client); - - regulator_unregister(chip->rdev); - return 0; } static struct i2c_driver ad5398_driver = { .probe = ad5398_probe, - .remove = ad5398_remove, .driver = { .name = "ad5398", }, diff --git a/drivers/regulator/anatop-regulator.c b/drivers/regulator/anatop-regulator.c index 0d4a8ccbb536..c734d0980826 100644 --- a/drivers/regulator/anatop-regulator.c +++ b/drivers/regulator/anatop-regulator.c @@ -200,7 +200,7 @@ static int anatop_regulator_probe(struct platform_device *pdev) config.regmap = sreg->anatop; /* register regulator */ - rdev = regulator_register(rdesc, &config); + rdev = devm_regulator_register(dev, rdesc, &config); if (IS_ERR(rdev)) { dev_err(dev, "failed to register %s\n", rdesc->name); @@ -223,7 +223,6 @@ static int anatop_regulator_remove(struct platform_device *pdev) struct anatop_regulator *sreg = rdev_get_drvdata(rdev); const char *name = sreg->name; - regulator_unregister(rdev); kfree(name); return 0; @@ -256,7 +255,7 @@ static void __exit anatop_regulator_exit(void) } module_exit(anatop_regulator_exit); -MODULE_AUTHOR("Nancy Chen <Nancy.Chen@freescale.com>, " - "Ying-Chun Liu (PaulLiu) <paul.liu@linaro.org>"); +MODULE_AUTHOR("Nancy Chen <Nancy.Chen@freescale.com>"); +MODULE_AUTHOR("Ying-Chun Liu (PaulLiu) <paul.liu@linaro.org>"); MODULE_DESCRIPTION("ANATOP Regulator driver"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/regulator/arizona-ldo1.c b/drivers/regulator/arizona-ldo1.c index 81d8681c3195..4f6c2055f6b2 100644 --- a/drivers/regulator/arizona-ldo1.c +++ b/drivers/regulator/arizona-ldo1.c @@ -226,7 +226,7 @@ static int arizona_ldo1_probe(struct platform_device *pdev) else config.init_data = &ldo1->init_data; - ldo1->regulator = regulator_register(desc, &config); + ldo1->regulator = devm_regulator_register(&pdev->dev, desc, &config); if (IS_ERR(ldo1->regulator)) { ret = PTR_ERR(ldo1->regulator); dev_err(arizona->dev, "Failed to register LDO1 supply: %d\n", @@ -239,18 +239,8 @@ static int arizona_ldo1_probe(struct platform_device *pdev) return 0; } -static int arizona_ldo1_remove(struct platform_device *pdev) -{ - struct arizona_ldo1 *ldo1 = platform_get_drvdata(pdev); - - regulator_unregister(ldo1->regulator); - - return 0; -} - static struct platform_driver arizona_ldo1_driver = { .probe = arizona_ldo1_probe, - .remove = arizona_ldo1_remove, .driver = { .name = "arizona-ldo1", .owner = THIS_MODULE, diff --git a/drivers/regulator/arizona-micsupp.c b/drivers/regulator/arizona-micsupp.c index e87536bf0bed..724706a97dc4 100644 --- a/drivers/regulator/arizona-micsupp.c +++ b/drivers/regulator/arizona-micsupp.c @@ -225,7 +225,9 @@ static int arizona_micsupp_probe(struct platform_device *pdev) regmap_update_bits(arizona->regmap, ARIZONA_MIC_CHARGE_PUMP_1, ARIZONA_CPMIC_BYPASS, 0); - micsupp->regulator = regulator_register(&arizona_micsupp, &config); + micsupp->regulator = devm_regulator_register(&pdev->dev, + &arizona_micsupp, + &config); if (IS_ERR(micsupp->regulator)) { ret = PTR_ERR(micsupp->regulator); dev_err(arizona->dev, "Failed to register mic supply: %d\n", @@ -238,18 +240,8 @@ static int arizona_micsupp_probe(struct platform_device *pdev) return 0; } -static int arizona_micsupp_remove(struct platform_device *pdev) -{ - struct arizona_micsupp *micsupp = platform_get_drvdata(pdev); - - regulator_unregister(micsupp->regulator); - - return 0; -} - static struct platform_driver arizona_micsupp_driver = { .probe = arizona_micsupp_probe, - .remove = arizona_micsupp_remove, .driver = { .name = "arizona-micsupp", .owner = THIS_MODULE, diff --git a/drivers/regulator/as3711-regulator.c b/drivers/regulator/as3711-regulator.c index 8406cd745da2..c77a58478cca 100644 --- a/drivers/regulator/as3711-regulator.c +++ b/drivers/regulator/as3711-regulator.c @@ -117,26 +117,19 @@ static struct regulator_ops as3711_dldo_ops = { }; static const struct regulator_linear_range as3711_sd_ranges[] = { - { .min_uV = 612500, .max_uV = 1400000, - .min_sel = 0x1, .max_sel = 0x40, .uV_step = 12500 }, - { .min_uV = 1425000, .max_uV = 2600000, - .min_sel = 0x41, .max_sel = 0x70, .uV_step = 25000 }, - { .min_uV = 2650000, .max_uV = 3350000, - .min_sel = 0x71, .max_sel = 0x7f, .uV_step = 50000 }, + REGULATOR_LINEAR_RANGE(612500, 0x1, 0x40, 12500), + REGULATOR_LINEAR_RANGE(1425000, 0x41, 0x70, 25000), + REGULATOR_LINEAR_RANGE(2650000, 0x71, 0x7f, 50000), }; static const struct regulator_linear_range as3711_aldo_ranges[] = { - { .min_uV = 1200000, .max_uV = 1950000, - .min_sel = 0, .max_sel = 0xf, .uV_step = 50000 }, - { .min_uV = 1800000, .max_uV = 3300000, - .min_sel = 0x10, .max_sel = 0x1f, .uV_step = 100000 }, + REGULATOR_LINEAR_RANGE(1200000, 0, 0xf, 50000), + REGULATOR_LINEAR_RANGE(1800000, 0x10, 0x1f, 100000), }; static const struct regulator_linear_range as3711_dldo_ranges[] = { - { .min_uV = 900000, .max_uV = 1700000, - .min_sel = 0, .max_sel = 0x10, .uV_step = 50000 }, - { .min_uV = 1750000, .max_uV = 3300000, - .min_sel = 0x20, .max_sel = 0x3f, .uV_step = 50000 }, + REGULATOR_LINEAR_RANGE(900000, 0, 0x10, 50000), + REGULATOR_LINEAR_RANGE(1750000, 0x20, 0x3f, 50000), }; #define AS3711_REG(_id, _en_reg, _en_bit, _vmask, _vshift, _min_uV, _max_uV, _sfx) \ @@ -273,33 +266,16 @@ static int as3711_regulator_probe(struct platform_device *pdev) config.regmap = as3711->regmap; config.of_node = of_node[id]; - rdev = regulator_register(&ri->desc, &config); + rdev = devm_regulator_register(&pdev->dev, &ri->desc, &config); if (IS_ERR(rdev)) { dev_err(&pdev->dev, "Failed to register regulator %s\n", ri->desc.name); - ret = PTR_ERR(rdev); - goto eregreg; + return PTR_ERR(rdev); } reg->rdev = rdev; } platform_set_drvdata(pdev, regs); return 0; - -eregreg: - while (--id >= 0) - regulator_unregister(regs[id].rdev); - - return ret; -} - -static int as3711_regulator_remove(struct platform_device *pdev) -{ - struct as3711_regulator *regs = platform_get_drvdata(pdev); - int id; - - for (id = 0; id < AS3711_REGULATOR_NUM; ++id) - regulator_unregister(regs[id].rdev); - return 0; } static struct platform_driver as3711_regulator_driver = { @@ -308,7 +284,6 @@ static struct platform_driver as3711_regulator_driver = { .owner = THIS_MODULE, }, .probe = as3711_regulator_probe, - .remove = as3711_regulator_remove, }; static int __init as3711_regulator_init(void) diff --git a/drivers/regulator/as3722-regulator.c b/drivers/regulator/as3722-regulator.c new file mode 100644 index 000000000000..5917fe3dc983 --- /dev/null +++ b/drivers/regulator/as3722-regulator.c @@ -0,0 +1,908 @@ +/* + * Voltage regulator support for AMS AS3722 PMIC + * + * Copyright (C) 2013 ams + * + * Author: Florian Lobmaier <florian.lobmaier@ams.com> + * Author: Laxman Dewangan <ldewangan@nvidia.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include <linux/err.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/mfd/as3722.h> +#include <linux/of.h> +#include <linux/of_platform.h> +#include <linux/platform_device.h> +#include <linux/regulator/driver.h> +#include <linux/regulator/machine.h> +#include <linux/regulator/of_regulator.h> +#include <linux/slab.h> + +/* Regulator IDs */ +enum as3722_regulators_id { + AS3722_REGULATOR_ID_SD0, + AS3722_REGULATOR_ID_SD1, + AS3722_REGULATOR_ID_SD2, + AS3722_REGULATOR_ID_SD3, + AS3722_REGULATOR_ID_SD4, + AS3722_REGULATOR_ID_SD5, + AS3722_REGULATOR_ID_SD6, + AS3722_REGULATOR_ID_LDO0, + AS3722_REGULATOR_ID_LDO1, + AS3722_REGULATOR_ID_LDO2, + AS3722_REGULATOR_ID_LDO3, + AS3722_REGULATOR_ID_LDO4, + AS3722_REGULATOR_ID_LDO5, + AS3722_REGULATOR_ID_LDO6, + AS3722_REGULATOR_ID_LDO7, + AS3722_REGULATOR_ID_LDO9, + AS3722_REGULATOR_ID_LDO10, + AS3722_REGULATOR_ID_LDO11, + AS3722_REGULATOR_ID_MAX, +}; + +struct as3722_register_mapping { + u8 regulator_id; + const char *name; + const char *sname; + u8 vsel_reg; + u8 vsel_mask; + int n_voltages; + u32 enable_reg; + u8 enable_mask; + u32 control_reg; + u8 mode_mask; + u32 sleep_ctrl_reg; + u8 sleep_ctrl_mask; +}; + +struct as3722_regulator_config_data { + struct regulator_init_data *reg_init; + bool enable_tracking; + int ext_control; +}; + +struct as3722_regulators { + struct device *dev; + struct as3722 *as3722; + struct regulator_dev *rdevs[AS3722_REGULATOR_ID_MAX]; + struct regulator_desc desc[AS3722_REGULATOR_ID_MAX]; + struct as3722_regulator_config_data + reg_config_data[AS3722_REGULATOR_ID_MAX]; +}; + +static const struct as3722_register_mapping as3722_reg_lookup[] = { + { + .regulator_id = AS3722_REGULATOR_ID_SD0, + .name = "as3722-sd0", + .vsel_reg = AS3722_SD0_VOLTAGE_REG, + .vsel_mask = AS3722_SD_VSEL_MASK, + .enable_reg = AS3722_SD_CONTROL_REG, + .enable_mask = AS3722_SDn_CTRL(0), + .sleep_ctrl_reg = AS3722_ENABLE_CTRL1_REG, + .sleep_ctrl_mask = AS3722_SD0_EXT_ENABLE_MASK, + .control_reg = AS3722_SD0_CONTROL_REG, + .mode_mask = AS3722_SD0_MODE_FAST, + .n_voltages = AS3722_SD0_VSEL_MAX + 1, + }, + { + .regulator_id = AS3722_REGULATOR_ID_SD1, + .name = "as3722-sd1", + .vsel_reg = AS3722_SD1_VOLTAGE_REG, + .vsel_mask = AS3722_SD_VSEL_MASK, + .enable_reg = AS3722_SD_CONTROL_REG, + .enable_mask = AS3722_SDn_CTRL(1), + .sleep_ctrl_reg = AS3722_ENABLE_CTRL1_REG, + .sleep_ctrl_mask = AS3722_SD1_EXT_ENABLE_MASK, + .control_reg = AS3722_SD1_CONTROL_REG, + .mode_mask = AS3722_SD1_MODE_FAST, + .n_voltages = AS3722_SD0_VSEL_MAX + 1, + }, + { + .regulator_id = AS3722_REGULATOR_ID_SD2, + .name = "as3722-sd2", + .sname = "vsup-sd2", + .vsel_reg = AS3722_SD2_VOLTAGE_REG, + .vsel_mask = AS3722_SD_VSEL_MASK, + .enable_reg = AS3722_SD_CONTROL_REG, + .enable_mask = AS3722_SDn_CTRL(2), + .sleep_ctrl_reg = AS3722_ENABLE_CTRL1_REG, + .sleep_ctrl_mask = AS3722_SD2_EXT_ENABLE_MASK, + .control_reg = AS3722_SD23_CONTROL_REG, + .mode_mask = AS3722_SD2_MODE_FAST, + .n_voltages = AS3722_SD2_VSEL_MAX + 1, + }, + { + .regulator_id = AS3722_REGULATOR_ID_SD3, + .name = "as3722-sd3", + .sname = "vsup-sd3", + .vsel_reg = AS3722_SD3_VOLTAGE_REG, + .vsel_mask = AS3722_SD_VSEL_MASK, + .enable_reg = AS3722_SD_CONTROL_REG, + .enable_mask = AS3722_SDn_CTRL(3), + .sleep_ctrl_reg = AS3722_ENABLE_CTRL1_REG, + .sleep_ctrl_mask = AS3722_SD3_EXT_ENABLE_MASK, + .control_reg = AS3722_SD23_CONTROL_REG, + .mode_mask = AS3722_SD3_MODE_FAST, + .n_voltages = AS3722_SD2_VSEL_MAX + 1, + }, + { + .regulator_id = AS3722_REGULATOR_ID_SD4, + .name = "as3722-sd4", + .sname = "vsup-sd4", + .vsel_reg = AS3722_SD4_VOLTAGE_REG, + .vsel_mask = AS3722_SD_VSEL_MASK, + .enable_reg = AS3722_SD_CONTROL_REG, + .enable_mask = AS3722_SDn_CTRL(4), + .sleep_ctrl_reg = AS3722_ENABLE_CTRL2_REG, + .sleep_ctrl_mask = AS3722_SD4_EXT_ENABLE_MASK, + .control_reg = AS3722_SD4_CONTROL_REG, + .mode_mask = AS3722_SD4_MODE_FAST, + .n_voltages = AS3722_SD2_VSEL_MAX + 1, + }, + { + .regulator_id = AS3722_REGULATOR_ID_SD5, + .name = "as3722-sd5", + .sname = "vsup-sd5", + .vsel_reg = AS3722_SD5_VOLTAGE_REG, + .vsel_mask = AS3722_SD_VSEL_MASK, + .enable_reg = AS3722_SD_CONTROL_REG, + .enable_mask = AS3722_SDn_CTRL(5), + .sleep_ctrl_reg = AS3722_ENABLE_CTRL2_REG, + .sleep_ctrl_mask = AS3722_SD5_EXT_ENABLE_MASK, + .control_reg = AS3722_SD5_CONTROL_REG, + .mode_mask = AS3722_SD5_MODE_FAST, + .n_voltages = AS3722_SD2_VSEL_MAX + 1, + }, + { + .regulator_id = AS3722_REGULATOR_ID_SD6, + .name = "as3722-sd6", + .vsel_reg = AS3722_SD6_VOLTAGE_REG, + .vsel_mask = AS3722_SD_VSEL_MASK, + .enable_reg = AS3722_SD_CONTROL_REG, + .enable_mask = AS3722_SDn_CTRL(6), + .sleep_ctrl_reg = AS3722_ENABLE_CTRL2_REG, + .sleep_ctrl_mask = AS3722_SD6_EXT_ENABLE_MASK, + .control_reg = AS3722_SD6_CONTROL_REG, + .mode_mask = AS3722_SD6_MODE_FAST, + .n_voltages = AS3722_SD0_VSEL_MAX + 1, + }, + { + .regulator_id = AS3722_REGULATOR_ID_LDO0, + .name = "as3722-ldo0", + .sname = "vin-ldo0", + .vsel_reg = AS3722_LDO0_VOLTAGE_REG, + .vsel_mask = AS3722_LDO0_VSEL_MASK, + .enable_reg = AS3722_LDOCONTROL0_REG, + .enable_mask = AS3722_LDO0_CTRL, + .sleep_ctrl_reg = AS3722_ENABLE_CTRL3_REG, + .sleep_ctrl_mask = AS3722_LDO0_EXT_ENABLE_MASK, + .n_voltages = AS3722_LDO0_NUM_VOLT, + }, + { + .regulator_id = AS3722_REGULATOR_ID_LDO1, + .name = "as3722-ldo1", + .sname = "vin-ldo1-6", + .vsel_reg = AS3722_LDO1_VOLTAGE_REG, + .vsel_mask = AS3722_LDO_VSEL_MASK, + .enable_reg = AS3722_LDOCONTROL0_REG, + .enable_mask = AS3722_LDO1_CTRL, + .sleep_ctrl_reg = AS3722_ENABLE_CTRL3_REG, + .sleep_ctrl_mask = AS3722_LDO1_EXT_ENABLE_MASK, + .n_voltages = AS3722_LDO_NUM_VOLT, + }, + { + .regulator_id = AS3722_REGULATOR_ID_LDO2, + .name = "as3722-ldo2", + .sname = "vin-ldo2-5-7", + .vsel_reg = AS3722_LDO2_VOLTAGE_REG, + .vsel_mask = AS3722_LDO_VSEL_MASK, + .enable_reg = AS3722_LDOCONTROL0_REG, + .enable_mask = AS3722_LDO2_CTRL, + .sleep_ctrl_reg = AS3722_ENABLE_CTRL3_REG, + .sleep_ctrl_mask = AS3722_LDO2_EXT_ENABLE_MASK, + .n_voltages = AS3722_LDO_NUM_VOLT, + }, + { + .regulator_id = AS3722_REGULATOR_ID_LDO3, + .name = "as3722-ldo3", + .name = "vin-ldo3-4", + .vsel_reg = AS3722_LDO3_VOLTAGE_REG, + .vsel_mask = AS3722_LDO3_VSEL_MASK, + .enable_reg = AS3722_LDOCONTROL0_REG, + .enable_mask = AS3722_LDO3_CTRL, + .sleep_ctrl_reg = AS3722_ENABLE_CTRL3_REG, + .sleep_ctrl_mask = AS3722_LDO3_EXT_ENABLE_MASK, + .n_voltages = AS3722_LDO3_NUM_VOLT, + }, + { + .regulator_id = AS3722_REGULATOR_ID_LDO4, + .name = "as3722-ldo4", + .name = "vin-ldo3-4", + .vsel_reg = AS3722_LDO4_VOLTAGE_REG, + .vsel_mask = AS3722_LDO_VSEL_MASK, + .enable_reg = AS3722_LDOCONTROL0_REG, + .enable_mask = AS3722_LDO4_CTRL, + .sleep_ctrl_reg = AS3722_ENABLE_CTRL4_REG, + .sleep_ctrl_mask = AS3722_LDO4_EXT_ENABLE_MASK, + .n_voltages = AS3722_LDO_NUM_VOLT, + }, + { + .regulator_id = AS3722_REGULATOR_ID_LDO5, + .name = "as3722-ldo5", + .sname = "vin-ldo2-5-7", + .vsel_reg = AS3722_LDO5_VOLTAGE_REG, + .vsel_mask = AS3722_LDO_VSEL_MASK, + .enable_reg = AS3722_LDOCONTROL0_REG, + .enable_mask = AS3722_LDO5_CTRL, + .sleep_ctrl_reg = AS3722_ENABLE_CTRL4_REG, + .sleep_ctrl_mask = AS3722_LDO5_EXT_ENABLE_MASK, + .n_voltages = AS3722_LDO_NUM_VOLT, + }, + { + .regulator_id = AS3722_REGULATOR_ID_LDO6, + .name = "as3722-ldo6", + .sname = "vin-ldo1-6", + .vsel_reg = AS3722_LDO6_VOLTAGE_REG, + .vsel_mask = AS3722_LDO_VSEL_MASK, + .enable_reg = AS3722_LDOCONTROL0_REG, + .enable_mask = AS3722_LDO6_CTRL, + .sleep_ctrl_reg = AS3722_ENABLE_CTRL4_REG, + .sleep_ctrl_mask = AS3722_LDO6_EXT_ENABLE_MASK, + .n_voltages = AS3722_LDO_NUM_VOLT, + }, + { + .regulator_id = AS3722_REGULATOR_ID_LDO7, + .name = "as3722-ldo7", + .sname = "vin-ldo2-5-7", + .vsel_reg = AS3722_LDO7_VOLTAGE_REG, + .vsel_mask = AS3722_LDO_VSEL_MASK, + .enable_reg = AS3722_LDOCONTROL0_REG, + .enable_mask = AS3722_LDO7_CTRL, + .sleep_ctrl_reg = AS3722_ENABLE_CTRL4_REG, + .sleep_ctrl_mask = AS3722_LDO7_EXT_ENABLE_MASK, + .n_voltages = AS3722_LDO_NUM_VOLT, + }, + { + .regulator_id = AS3722_REGULATOR_ID_LDO9, + .name = "as3722-ldo9", + .sname = "vin-ldo9-10", + .vsel_reg = AS3722_LDO9_VOLTAGE_REG, + .vsel_mask = AS3722_LDO_VSEL_MASK, + .enable_reg = AS3722_LDOCONTROL1_REG, + .enable_mask = AS3722_LDO9_CTRL, + .sleep_ctrl_reg = AS3722_ENABLE_CTRL5_REG, + .sleep_ctrl_mask = AS3722_LDO9_EXT_ENABLE_MASK, + .n_voltages = AS3722_LDO_NUM_VOLT, + }, + { + .regulator_id = AS3722_REGULATOR_ID_LDO10, + .name = "as3722-ldo10", + .sname = "vin-ldo9-10", + .vsel_reg = AS3722_LDO10_VOLTAGE_REG, + .vsel_mask = AS3722_LDO_VSEL_MASK, + .enable_reg = AS3722_LDOCONTROL1_REG, + .enable_mask = AS3722_LDO10_CTRL, + .sleep_ctrl_reg = AS3722_ENABLE_CTRL5_REG, + .sleep_ctrl_mask = AS3722_LDO10_EXT_ENABLE_MASK, + .n_voltages = AS3722_LDO_NUM_VOLT, + }, + { + .regulator_id = AS3722_REGULATOR_ID_LDO11, + .name = "as3722-ldo11", + .sname = "vin-ldo11", + .vsel_reg = AS3722_LDO11_VOLTAGE_REG, + .vsel_mask = AS3722_LDO_VSEL_MASK, + .enable_reg = AS3722_LDOCONTROL1_REG, + .enable_mask = AS3722_LDO11_CTRL, + .sleep_ctrl_reg = AS3722_ENABLE_CTRL5_REG, + .sleep_ctrl_mask = AS3722_LDO11_EXT_ENABLE_MASK, + .n_voltages = AS3722_LDO_NUM_VOLT, + }, +}; + + +static const int as3722_ldo_current[] = { 150000, 300000 }; +static const int as3722_sd016_current[] = { 2500000, 3000000, 3500000 }; + +static int as3722_current_to_index(int min_uA, int max_uA, + const int *curr_table, int n_currents) +{ + int i; + + for (i = n_currents - 1; i >= 0; i--) { + if ((min_uA <= curr_table[i]) && (curr_table[i] <= max_uA)) + return i; + } + return -EINVAL; +} + +static int as3722_ldo_get_current_limit(struct regulator_dev *rdev) +{ + struct as3722_regulators *as3722_regs = rdev_get_drvdata(rdev); + struct as3722 *as3722 = as3722_regs->as3722; + int id = rdev_get_id(rdev); + u32 val; + int ret; + + ret = as3722_read(as3722, as3722_reg_lookup[id].vsel_reg, &val); + if (ret < 0) { + dev_err(as3722_regs->dev, "Reg 0x%02x read failed: %d\n", + as3722_reg_lookup[id].vsel_reg, ret); + return ret; + } + if (val & AS3722_LDO_ILIMIT_MASK) + return 300000; + return 150000; +} + +static int as3722_ldo_set_current_limit(struct regulator_dev *rdev, + int min_uA, int max_uA) +{ + struct as3722_regulators *as3722_regs = rdev_get_drvdata(rdev); + struct as3722 *as3722 = as3722_regs->as3722; + int id = rdev_get_id(rdev); + int ret; + u32 reg = 0; + + ret = as3722_current_to_index(min_uA, max_uA, as3722_ldo_current, + ARRAY_SIZE(as3722_ldo_current)); + if (ret < 0) { + dev_err(as3722_regs->dev, + "Current range min:max = %d:%d does not support\n", + min_uA, max_uA); + return ret; + } + if (ret) + reg = AS3722_LDO_ILIMIT_BIT; + return as3722_update_bits(as3722, as3722_reg_lookup[id].vsel_reg, + AS3722_LDO_ILIMIT_MASK, reg); +} + +static struct regulator_ops as3722_ldo0_ops = { + .is_enabled = regulator_is_enabled_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .list_voltage = regulator_list_voltage_linear, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_current_limit = as3722_ldo_get_current_limit, + .set_current_limit = as3722_ldo_set_current_limit, +}; + +static struct regulator_ops as3722_ldo0_extcntrl_ops = { + .list_voltage = regulator_list_voltage_linear, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_current_limit = as3722_ldo_get_current_limit, + .set_current_limit = as3722_ldo_set_current_limit, +}; + +static int as3722_ldo3_set_tracking_mode(struct as3722_regulators *as3722_reg, + int id, u8 mode) +{ + struct as3722 *as3722 = as3722_reg->as3722; + + switch (mode) { + case AS3722_LDO3_MODE_PMOS: + case AS3722_LDO3_MODE_PMOS_TRACKING: + case AS3722_LDO3_MODE_NMOS: + case AS3722_LDO3_MODE_SWITCH: + return as3722_update_bits(as3722, + as3722_reg_lookup[id].vsel_reg, + AS3722_LDO3_MODE_MASK, mode); + + default: + return -EINVAL; + } +} + +static int as3722_ldo3_get_current_limit(struct regulator_dev *rdev) +{ + return 150000; +} + +static struct regulator_ops as3722_ldo3_ops = { + .is_enabled = regulator_is_enabled_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .list_voltage = regulator_list_voltage_linear, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_current_limit = as3722_ldo3_get_current_limit, +}; + +static struct regulator_ops as3722_ldo3_extcntrl_ops = { + .list_voltage = regulator_list_voltage_linear, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_current_limit = as3722_ldo3_get_current_limit, +}; + +static const struct regulator_linear_range as3722_ldo_ranges[] = { + REGULATOR_LINEAR_RANGE(825000, 0x01, 0x24, 25000), + REGULATOR_LINEAR_RANGE(1725000, 0x40, 0x7F, 25000), +}; + +static struct regulator_ops as3722_ldo_ops = { + .is_enabled = regulator_is_enabled_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .map_voltage = regulator_map_voltage_linear_range, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .list_voltage = regulator_list_voltage_linear_range, + .get_current_limit = as3722_ldo_get_current_limit, + .set_current_limit = as3722_ldo_set_current_limit, +}; + +static struct regulator_ops as3722_ldo_extcntrl_ops = { + .map_voltage = regulator_map_voltage_linear_range, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .list_voltage = regulator_list_voltage_linear_range, + .get_current_limit = as3722_ldo_get_current_limit, + .set_current_limit = as3722_ldo_set_current_limit, +}; + +static unsigned int as3722_sd_get_mode(struct regulator_dev *rdev) +{ + struct as3722_regulators *as3722_regs = rdev_get_drvdata(rdev); + struct as3722 *as3722 = as3722_regs->as3722; + int id = rdev_get_id(rdev); + u32 val; + int ret; + + if (!as3722_reg_lookup[id].control_reg) + return -ENOTSUPP; + + ret = as3722_read(as3722, as3722_reg_lookup[id].control_reg, &val); + if (ret < 0) { + dev_err(as3722_regs->dev, "Reg 0x%02x read failed: %d\n", + as3722_reg_lookup[id].control_reg, ret); + return ret; + } + + if (val & as3722_reg_lookup[id].mode_mask) + return REGULATOR_MODE_FAST; + else + return REGULATOR_MODE_NORMAL; +} + +static int as3722_sd_set_mode(struct regulator_dev *rdev, + unsigned int mode) +{ + struct as3722_regulators *as3722_regs = rdev_get_drvdata(rdev); + struct as3722 *as3722 = as3722_regs->as3722; + u8 id = rdev_get_id(rdev); + u8 val = 0; + int ret; + + if (!as3722_reg_lookup[id].control_reg) + return -ERANGE; + + switch (mode) { + case REGULATOR_MODE_FAST: + val = as3722_reg_lookup[id].mode_mask; + case REGULATOR_MODE_NORMAL: /* fall down */ + break; + default: + return -EINVAL; + } + + ret = as3722_update_bits(as3722, as3722_reg_lookup[id].control_reg, + as3722_reg_lookup[id].mode_mask, val); + if (ret < 0) { + dev_err(as3722_regs->dev, "Reg 0x%02x update failed: %d\n", + as3722_reg_lookup[id].control_reg, ret); + return ret; + } + return ret; +} + +static int as3722_sd016_get_current_limit(struct regulator_dev *rdev) +{ + struct as3722_regulators *as3722_regs = rdev_get_drvdata(rdev); + struct as3722 *as3722 = as3722_regs->as3722; + int id = rdev_get_id(rdev); + u32 val, reg; + int mask; + int ret; + + switch (id) { + case AS3722_REGULATOR_ID_SD0: + reg = AS3722_OVCURRENT_REG; + mask = AS3722_OVCURRENT_SD0_TRIP_MASK; + break; + case AS3722_REGULATOR_ID_SD1: + reg = AS3722_OVCURRENT_REG; + mask = AS3722_OVCURRENT_SD1_TRIP_MASK; + break; + case AS3722_REGULATOR_ID_SD6: + reg = AS3722_OVCURRENT_DEB_REG; + mask = AS3722_OVCURRENT_SD6_TRIP_MASK; + break; + default: + return -EINVAL; + } + ret = as3722_read(as3722, reg, &val); + if (ret < 0) { + dev_err(as3722_regs->dev, "Reg 0x%02x read failed: %d\n", + reg, ret); + return ret; + } + val &= mask; + val >>= ffs(mask) - 1; + if (val == 3) + return -EINVAL; + return as3722_sd016_current[val]; +} + +static int as3722_sd016_set_current_limit(struct regulator_dev *rdev, + int min_uA, int max_uA) +{ + struct as3722_regulators *as3722_regs = rdev_get_drvdata(rdev); + struct as3722 *as3722 = as3722_regs->as3722; + int id = rdev_get_id(rdev); + int ret; + int val; + int mask; + u32 reg; + + ret = as3722_current_to_index(min_uA, max_uA, as3722_sd016_current, + ARRAY_SIZE(as3722_sd016_current)); + if (ret < 0) { + dev_err(as3722_regs->dev, + "Current range min:max = %d:%d does not support\n", + min_uA, max_uA); + return ret; + } + + switch (id) { + case AS3722_REGULATOR_ID_SD0: + reg = AS3722_OVCURRENT_REG; + mask = AS3722_OVCURRENT_SD0_TRIP_MASK; + break; + case AS3722_REGULATOR_ID_SD1: + reg = AS3722_OVCURRENT_REG; + mask = AS3722_OVCURRENT_SD1_TRIP_MASK; + break; + case AS3722_REGULATOR_ID_SD6: + reg = AS3722_OVCURRENT_DEB_REG; + mask = AS3722_OVCURRENT_SD6_TRIP_MASK; + break; + default: + return -EINVAL; + } + val = ret & mask; + val <<= ffs(mask) - 1; + return as3722_update_bits(as3722, reg, mask, val); +} + +static const struct regulator_linear_range as3722_sd2345_ranges[] = { + REGULATOR_LINEAR_RANGE(612500, 0x01, 0x40, 12500), + REGULATOR_LINEAR_RANGE(1425000, 0x41, 0x70, 25000), + REGULATOR_LINEAR_RANGE(2650000, 0x71, 0x7F, 50000), +}; + +static struct regulator_ops as3722_sd016_ops = { + .is_enabled = regulator_is_enabled_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .list_voltage = regulator_list_voltage_linear, + .map_voltage = regulator_map_voltage_linear, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_current_limit = as3722_sd016_get_current_limit, + .set_current_limit = as3722_sd016_set_current_limit, + .get_mode = as3722_sd_get_mode, + .set_mode = as3722_sd_set_mode, +}; + +static struct regulator_ops as3722_sd016_extcntrl_ops = { + .list_voltage = regulator_list_voltage_linear, + .map_voltage = regulator_map_voltage_linear, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_current_limit = as3722_sd016_get_current_limit, + .set_current_limit = as3722_sd016_set_current_limit, + .get_mode = as3722_sd_get_mode, + .set_mode = as3722_sd_set_mode, +}; + +static struct regulator_ops as3722_sd2345_ops = { + .is_enabled = regulator_is_enabled_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .list_voltage = regulator_list_voltage_linear_range, + .map_voltage = regulator_map_voltage_linear_range, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .get_mode = as3722_sd_get_mode, + .set_mode = as3722_sd_set_mode, +}; + +static struct regulator_ops as3722_sd2345_extcntrl_ops = { + .list_voltage = regulator_list_voltage_linear_range, + .map_voltage = regulator_map_voltage_linear_range, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .get_mode = as3722_sd_get_mode, + .set_mode = as3722_sd_set_mode, +}; + +static int as3722_extreg_init(struct as3722_regulators *as3722_regs, int id, + int ext_pwr_ctrl) +{ + int ret; + unsigned int val; + + if ((ext_pwr_ctrl < AS3722_EXT_CONTROL_ENABLE1) || + (ext_pwr_ctrl > AS3722_EXT_CONTROL_ENABLE3)) + return -EINVAL; + + val = ext_pwr_ctrl << (ffs(as3722_reg_lookup[id].sleep_ctrl_mask) - 1); + ret = as3722_update_bits(as3722_regs->as3722, + as3722_reg_lookup[id].sleep_ctrl_reg, + as3722_reg_lookup[id].sleep_ctrl_mask, val); + if (ret < 0) + dev_err(as3722_regs->dev, "Reg 0x%02x update failed: %d\n", + as3722_reg_lookup[id].sleep_ctrl_reg, ret); + return ret; +} + +static struct of_regulator_match as3722_regulator_matches[] = { + { .name = "sd0", }, + { .name = "sd1", }, + { .name = "sd2", }, + { .name = "sd3", }, + { .name = "sd4", }, + { .name = "sd5", }, + { .name = "sd6", }, + { .name = "ldo0", }, + { .name = "ldo1", }, + { .name = "ldo2", }, + { .name = "ldo3", }, + { .name = "ldo4", }, + { .name = "ldo5", }, + { .name = "ldo6", }, + { .name = "ldo7", }, + { .name = "ldo9", }, + { .name = "ldo10", }, + { .name = "ldo11", }, +}; + +static int as3722_get_regulator_dt_data(struct platform_device *pdev, + struct as3722_regulators *as3722_regs) +{ + struct device_node *np; + struct as3722_regulator_config_data *reg_config; + u32 prop; + int id; + int ret; + + np = of_get_child_by_name(pdev->dev.parent->of_node, "regulators"); + if (!np) { + dev_err(&pdev->dev, "Device is not having regulators node\n"); + return -ENODEV; + } + pdev->dev.of_node = np; + + ret = of_regulator_match(&pdev->dev, np, as3722_regulator_matches, + ARRAY_SIZE(as3722_regulator_matches)); + if (ret < 0) { + dev_err(&pdev->dev, "Parsing of regulator node failed: %d\n", + ret); + return ret; + } + + for (id = 0; id < ARRAY_SIZE(as3722_regulator_matches); ++id) { + struct device_node *reg_node; + + reg_config = &as3722_regs->reg_config_data[id]; + reg_config->reg_init = as3722_regulator_matches[id].init_data; + reg_node = as3722_regulator_matches[id].of_node; + + if (!reg_config->reg_init || !reg_node) + continue; + + ret = of_property_read_u32(reg_node, "ams,ext-control", &prop); + if (!ret) { + if (prop < 3) + reg_config->ext_control = prop; + else + dev_warn(&pdev->dev, + "ext-control have invalid option: %u\n", + prop); + } + reg_config->enable_tracking = + of_property_read_bool(reg_node, "ams,enable-tracking"); + } + return 0; +} + +static int as3722_regulator_probe(struct platform_device *pdev) +{ + struct as3722 *as3722 = dev_get_drvdata(pdev->dev.parent); + struct as3722_regulators *as3722_regs; + struct as3722_regulator_config_data *reg_config; + struct regulator_dev *rdev; + struct regulator_config config = { }; + struct regulator_ops *ops; + int id; + int ret; + + as3722_regs = devm_kzalloc(&pdev->dev, sizeof(*as3722_regs), + GFP_KERNEL); + if (!as3722_regs) + return -ENOMEM; + + as3722_regs->dev = &pdev->dev; + as3722_regs->as3722 = as3722; + platform_set_drvdata(pdev, as3722_regs); + + ret = as3722_get_regulator_dt_data(pdev, as3722_regs); + if (ret < 0) + return ret; + + config.dev = &pdev->dev; + config.driver_data = as3722_regs; + config.regmap = as3722->regmap; + + for (id = 0; id < AS3722_REGULATOR_ID_MAX; id++) { + reg_config = &as3722_regs->reg_config_data[id]; + + as3722_regs->desc[id].name = as3722_reg_lookup[id].name; + as3722_regs->desc[id].supply_name = as3722_reg_lookup[id].sname; + as3722_regs->desc[id].id = as3722_reg_lookup[id].regulator_id; + as3722_regs->desc[id].n_voltages = + as3722_reg_lookup[id].n_voltages; + as3722_regs->desc[id].type = REGULATOR_VOLTAGE; + as3722_regs->desc[id].owner = THIS_MODULE; + as3722_regs->desc[id].enable_reg = + as3722_reg_lookup[id].enable_reg; + as3722_regs->desc[id].enable_mask = + as3722_reg_lookup[id].enable_mask; + as3722_regs->desc[id].vsel_reg = as3722_reg_lookup[id].vsel_reg; + as3722_regs->desc[id].vsel_mask = + as3722_reg_lookup[id].vsel_mask; + switch (id) { + case AS3722_REGULATOR_ID_LDO0: + if (reg_config->ext_control) + ops = &as3722_ldo0_extcntrl_ops; + else + ops = &as3722_ldo0_ops; + as3722_regs->desc[id].min_uV = 825000; + as3722_regs->desc[id].uV_step = 25000; + as3722_regs->desc[id].linear_min_sel = 1; + as3722_regs->desc[id].enable_time = 500; + break; + case AS3722_REGULATOR_ID_LDO3: + if (reg_config->ext_control) + ops = &as3722_ldo3_extcntrl_ops; + else + ops = &as3722_ldo3_ops; + as3722_regs->desc[id].min_uV = 620000; + as3722_regs->desc[id].uV_step = 20000; + as3722_regs->desc[id].linear_min_sel = 1; + as3722_regs->desc[id].enable_time = 500; + if (reg_config->enable_tracking) { + ret = as3722_ldo3_set_tracking_mode(as3722_regs, + id, AS3722_LDO3_MODE_PMOS_TRACKING); + if (ret < 0) { + dev_err(&pdev->dev, + "LDO3 tracking failed: %d\n", + ret); + return ret; + } + } + break; + case AS3722_REGULATOR_ID_SD0: + case AS3722_REGULATOR_ID_SD1: + case AS3722_REGULATOR_ID_SD6: + if (reg_config->ext_control) + ops = &as3722_sd016_extcntrl_ops; + else + ops = &as3722_sd016_ops; + as3722_regs->desc[id].min_uV = 610000; + as3722_regs->desc[id].uV_step = 10000; + as3722_regs->desc[id].linear_min_sel = 1; + break; + case AS3722_REGULATOR_ID_SD2: + case AS3722_REGULATOR_ID_SD3: + case AS3722_REGULATOR_ID_SD4: + case AS3722_REGULATOR_ID_SD5: + if (reg_config->ext_control) + ops = &as3722_sd2345_extcntrl_ops; + else + ops = &as3722_sd2345_ops; + as3722_regs->desc[id].linear_ranges = + as3722_sd2345_ranges; + as3722_regs->desc[id].n_linear_ranges = + ARRAY_SIZE(as3722_sd2345_ranges); + break; + default: + if (reg_config->ext_control) + ops = &as3722_ldo_extcntrl_ops; + else + ops = &as3722_ldo_ops; + as3722_regs->desc[id].min_uV = 825000; + as3722_regs->desc[id].uV_step = 25000; + as3722_regs->desc[id].linear_min_sel = 1; + as3722_regs->desc[id].enable_time = 500; + as3722_regs->desc[id].linear_ranges = as3722_ldo_ranges; + as3722_regs->desc[id].n_linear_ranges = + ARRAY_SIZE(as3722_ldo_ranges); + break; + } + as3722_regs->desc[id].ops = ops; + config.init_data = reg_config->reg_init; + config.of_node = as3722_regulator_matches[id].of_node; + rdev = devm_regulator_register(&pdev->dev, + &as3722_regs->desc[id], &config); + if (IS_ERR(rdev)) { + ret = PTR_ERR(rdev); + dev_err(&pdev->dev, "regulator %d register failed %d\n", + id, ret); + return ret; + } + + as3722_regs->rdevs[id] = rdev; + if (reg_config->ext_control) { + ret = regulator_enable_regmap(rdev); + if (ret < 0) { + dev_err(&pdev->dev, + "Regulator %d enable failed: %d\n", + id, ret); + return ret; + } + ret = as3722_extreg_init(as3722_regs, id, + reg_config->ext_control); + if (ret < 0) { + dev_err(&pdev->dev, + "AS3722 ext control failed: %d", ret); + return ret; + } + } + } + return 0; +} + +static const struct of_device_id of_as3722_regulator_match[] = { + { .compatible = "ams,as3722-regulator", }, + {}, +}; +MODULE_DEVICE_TABLE(of, of_as3722_regulator_match); + +static struct platform_driver as3722_regulator_driver = { + .driver = { + .name = "as3722-regulator", + .owner = THIS_MODULE, + .of_match_table = of_as3722_regulator_match, + }, + .probe = as3722_regulator_probe, +}; + +module_platform_driver(as3722_regulator_driver); + +MODULE_ALIAS("platform:as3722-regulator"); +MODULE_DESCRIPTION("AS3722 regulator driver"); +MODULE_AUTHOR("Florian Lobmaier <florian.lobmaier@ams.com>"); +MODULE_AUTHOR("Laxman Dewangan <ldewangan@nvidia.com>"); +MODULE_LICENSE("GPL"); diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index a01b8b3b70ca..6382f0af353b 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -36,6 +36,7 @@ #include <trace/events/regulator.h> #include "dummy.h" +#include "internal.h" #define rdev_crit(rdev, fmt, ...) \ pr_crit("%s: " fmt, rdev_get_name(rdev), ##__VA_ARGS__) @@ -52,8 +53,8 @@ static DEFINE_MUTEX(regulator_list_mutex); static LIST_HEAD(regulator_list); static LIST_HEAD(regulator_map_list); static LIST_HEAD(regulator_ena_gpio_list); +static LIST_HEAD(regulator_supply_alias_list); static bool has_full_constraints; -static bool board_wants_dummy_regulator; static struct dentry *debugfs_root; @@ -83,22 +84,16 @@ struct regulator_enable_gpio { }; /* - * struct regulator + * struct regulator_supply_alias * - * One for each consumer device. + * Used to map lookups for a supply onto an alternative device. */ -struct regulator { - struct device *dev; +struct regulator_supply_alias { struct list_head list; - unsigned int always_on:1; - unsigned int bypass:1; - int uA_load; - int min_uV; - int max_uV; - char *supply_name; - struct device_attribute dev_attr; - struct regulator_dev *rdev; - struct dentry *debugfs; + struct device *src_dev; + const char *src_supply; + struct device *alias_dev; + const char *alias_supply; }; static int _regulator_is_enabled(struct regulator_dev *rdev); @@ -923,6 +918,36 @@ static int machine_constraints_voltage(struct regulator_dev *rdev, return 0; } +static int machine_constraints_current(struct regulator_dev *rdev, + struct regulation_constraints *constraints) +{ + struct regulator_ops *ops = rdev->desc->ops; + int ret; + + if (!constraints->min_uA && !constraints->max_uA) + return 0; + + if (constraints->min_uA > constraints->max_uA) { + rdev_err(rdev, "Invalid current constraints\n"); + return -EINVAL; + } + + if (!ops->set_current_limit || !ops->get_current_limit) { + rdev_warn(rdev, "Operation of current configuration missing\n"); + return 0; + } + + /* Set regulator current in constraints range */ + ret = ops->set_current_limit(rdev, constraints->min_uA, + constraints->max_uA); + if (ret < 0) { + rdev_err(rdev, "Failed to set current constraint, %d\n", ret); + return ret; + } + + return 0; +} + /** * set_machine_constraints - sets regulator constraints * @rdev: regulator source @@ -953,6 +978,10 @@ static int set_machine_constraints(struct regulator_dev *rdev, if (ret != 0) goto out; + ret = machine_constraints_current(rdev, rdev->constraints); + if (ret != 0) + goto out; + /* do we need to setup our suspend state */ if (rdev->constraints->initial_state) { ret = suspend_prepare(rdev, rdev->constraints->initial_state); @@ -1186,11 +1215,39 @@ overflow_err: static int _regulator_get_enable_time(struct regulator_dev *rdev) { + if (rdev->constraints && rdev->constraints->enable_time) + return rdev->constraints->enable_time; if (!rdev->desc->ops->enable_time) return rdev->desc->enable_time; return rdev->desc->ops->enable_time(rdev); } +static struct regulator_supply_alias *regulator_find_supply_alias( + struct device *dev, const char *supply) +{ + struct regulator_supply_alias *map; + + list_for_each_entry(map, ®ulator_supply_alias_list, list) + if (map->src_dev == dev && strcmp(map->src_supply, supply) == 0) + return map; + + return NULL; +} + +static void regulator_supply_alias(struct device **dev, const char **supply) +{ + struct regulator_supply_alias *map; + + map = regulator_find_supply_alias(*dev, *supply); + if (map) { + dev_dbg(*dev, "Mapping supply %s to %s,%s\n", + *supply, map->alias_supply, + dev_name(map->alias_dev)); + *dev = map->alias_dev; + *supply = map->alias_supply; + } +} + static struct regulator_dev *regulator_dev_lookup(struct device *dev, const char *supply, int *ret) @@ -1200,6 +1257,8 @@ static struct regulator_dev *regulator_dev_lookup(struct device *dev, struct regulator_map *map; const char *devname = NULL; + regulator_supply_alias(&dev, &supply); + /* first do a dt based lookup */ if (dev && dev->of_node) { node = of_get_regulator(dev, supply); @@ -1243,16 +1302,16 @@ static struct regulator_dev *regulator_dev_lookup(struct device *dev, /* Internal regulator request function */ static struct regulator *_regulator_get(struct device *dev, const char *id, - bool exclusive) + bool exclusive, bool allow_dummy) { struct regulator_dev *rdev; struct regulator *regulator = ERR_PTR(-EPROBE_DEFER); const char *devname = NULL; - int ret = 0; + int ret = -EPROBE_DEFER; if (id == NULL) { pr_err("get() with no identifier\n"); - return regulator; + return ERR_PTR(-EINVAL); } if (dev) @@ -1264,34 +1323,32 @@ static struct regulator *_regulator_get(struct device *dev, const char *id, if (rdev) goto found; + regulator = ERR_PTR(ret); + /* * If we have return value from dev_lookup fail, we do not expect to * succeed, so, quit with appropriate error value */ - if (ret) { - regulator = ERR_PTR(ret); + if (ret && ret != -ENODEV) { goto out; } - if (board_wants_dummy_regulator) { - rdev = dummy_regulator_rdev; - goto found; - } - -#ifdef CONFIG_REGULATOR_DUMMY if (!devname) devname = "deviceless"; - /* If the board didn't flag that it was fully constrained then - * substitute in a dummy regulator so consumers can continue. + /* + * Assume that a regulator is physically present and enabled + * even if it isn't hooked up and just provide a dummy. */ - if (!has_full_constraints) { + if (has_full_constraints && allow_dummy) { pr_warn("%s supply %s not found, using dummy regulator\n", devname, id); + rdev = dummy_regulator_rdev; goto found; + } else { + dev_err(dev, "dummy supplies not allowed\n"); } -#endif mutex_unlock(®ulator_list_mutex); return regulator; @@ -1349,44 +1406,10 @@ out: */ struct regulator *regulator_get(struct device *dev, const char *id) { - return _regulator_get(dev, id, false); + return _regulator_get(dev, id, false, true); } EXPORT_SYMBOL_GPL(regulator_get); -static void devm_regulator_release(struct device *dev, void *res) -{ - regulator_put(*(struct regulator **)res); -} - -/** - * devm_regulator_get - Resource managed regulator_get() - * @dev: device for regulator "consumer" - * @id: Supply name or regulator ID. - * - * Managed regulator_get(). Regulators returned from this function are - * automatically regulator_put() on driver detach. See regulator_get() for more - * information. - */ -struct regulator *devm_regulator_get(struct device *dev, const char *id) -{ - struct regulator **ptr, *regulator; - - ptr = devres_alloc(devm_regulator_release, sizeof(*ptr), GFP_KERNEL); - if (!ptr) - return ERR_PTR(-ENOMEM); - - regulator = regulator_get(dev, id); - if (!IS_ERR(regulator)) { - *ptr = regulator; - devres_add(dev, ptr); - } else { - devres_free(ptr); - } - - return regulator; -} -EXPORT_SYMBOL_GPL(devm_regulator_get); - /** * regulator_get_exclusive - obtain exclusive access to a regulator. * @dev: device for regulator "consumer" @@ -1410,7 +1433,7 @@ EXPORT_SYMBOL_GPL(devm_regulator_get); */ struct regulator *regulator_get_exclusive(struct device *dev, const char *id) { - return _regulator_get(dev, id, true); + return _regulator_get(dev, id, true, false); } EXPORT_SYMBOL_GPL(regulator_get_exclusive); @@ -1439,40 +1462,10 @@ EXPORT_SYMBOL_GPL(regulator_get_exclusive); */ struct regulator *regulator_get_optional(struct device *dev, const char *id) { - return _regulator_get(dev, id, 0); + return _regulator_get(dev, id, false, false); } EXPORT_SYMBOL_GPL(regulator_get_optional); -/** - * devm_regulator_get_optional - Resource managed regulator_get_optional() - * @dev: device for regulator "consumer" - * @id: Supply name or regulator ID. - * - * Managed regulator_get_optional(). Regulators returned from this - * function are automatically regulator_put() on driver detach. See - * regulator_get_optional() for more information. - */ -struct regulator *devm_regulator_get_optional(struct device *dev, - const char *id) -{ - struct regulator **ptr, *regulator; - - ptr = devres_alloc(devm_regulator_release, sizeof(*ptr), GFP_KERNEL); - if (!ptr) - return ERR_PTR(-ENOMEM); - - regulator = regulator_get_optional(dev, id); - if (!IS_ERR(regulator)) { - *ptr = regulator; - devres_add(dev, ptr); - } else { - devres_free(ptr); - } - - return regulator; -} -EXPORT_SYMBOL_GPL(devm_regulator_get_optional); - /* Locks held by regulator_put() */ static void _regulator_put(struct regulator *regulator) { @@ -1499,36 +1492,6 @@ static void _regulator_put(struct regulator *regulator) } /** - * devm_regulator_get_exclusive - Resource managed regulator_get_exclusive() - * @dev: device for regulator "consumer" - * @id: Supply name or regulator ID. - * - * Managed regulator_get_exclusive(). Regulators returned from this function - * are automatically regulator_put() on driver detach. See regulator_get() for - * more information. - */ -struct regulator *devm_regulator_get_exclusive(struct device *dev, - const char *id) -{ - struct regulator **ptr, *regulator; - - ptr = devres_alloc(devm_regulator_release, sizeof(*ptr), GFP_KERNEL); - if (!ptr) - return ERR_PTR(-ENOMEM); - - regulator = _regulator_get(dev, id, 1); - if (!IS_ERR(regulator)) { - *ptr = regulator; - devres_add(dev, ptr); - } else { - devres_free(ptr); - } - - return regulator; -} -EXPORT_SYMBOL_GPL(devm_regulator_get_exclusive); - -/** * regulator_put - "free" the regulator source * @regulator: regulator source * @@ -1544,34 +1507,133 @@ void regulator_put(struct regulator *regulator) } EXPORT_SYMBOL_GPL(regulator_put); -static int devm_regulator_match(struct device *dev, void *res, void *data) +/** + * regulator_register_supply_alias - Provide device alias for supply lookup + * + * @dev: device that will be given as the regulator "consumer" + * @id: Supply name or regulator ID + * @alias_dev: device that should be used to lookup the supply + * @alias_id: Supply name or regulator ID that should be used to lookup the + * supply + * + * All lookups for id on dev will instead be conducted for alias_id on + * alias_dev. + */ +int regulator_register_supply_alias(struct device *dev, const char *id, + struct device *alias_dev, + const char *alias_id) +{ + struct regulator_supply_alias *map; + + map = regulator_find_supply_alias(dev, id); + if (map) + return -EEXIST; + + map = kzalloc(sizeof(struct regulator_supply_alias), GFP_KERNEL); + if (!map) + return -ENOMEM; + + map->src_dev = dev; + map->src_supply = id; + map->alias_dev = alias_dev; + map->alias_supply = alias_id; + + list_add(&map->list, ®ulator_supply_alias_list); + + pr_info("Adding alias for supply %s,%s -> %s,%s\n", + id, dev_name(dev), alias_id, dev_name(alias_dev)); + + return 0; +} +EXPORT_SYMBOL_GPL(regulator_register_supply_alias); + +/** + * regulator_unregister_supply_alias - Remove device alias + * + * @dev: device that will be given as the regulator "consumer" + * @id: Supply name or regulator ID + * + * Remove a lookup alias if one exists for id on dev. + */ +void regulator_unregister_supply_alias(struct device *dev, const char *id) { - struct regulator **r = res; - if (!r || !*r) { - WARN_ON(!r || !*r); - return 0; + struct regulator_supply_alias *map; + + map = regulator_find_supply_alias(dev, id); + if (map) { + list_del(&map->list); + kfree(map); } - return *r == data; } +EXPORT_SYMBOL_GPL(regulator_unregister_supply_alias); /** - * devm_regulator_put - Resource managed regulator_put() - * @regulator: regulator to free + * regulator_bulk_register_supply_alias - register multiple aliases + * + * @dev: device that will be given as the regulator "consumer" + * @id: List of supply names or regulator IDs + * @alias_dev: device that should be used to lookup the supply + * @alias_id: List of supply names or regulator IDs that should be used to + * lookup the supply + * @num_id: Number of aliases to register + * + * @return 0 on success, an errno on failure. * - * Deallocate a regulator allocated with devm_regulator_get(). Normally - * this function will not need to be called and the resource management - * code will ensure that the resource is freed. + * This helper function allows drivers to register several supply + * aliases in one operation. If any of the aliases cannot be + * registered any aliases that were registered will be removed + * before returning to the caller. */ -void devm_regulator_put(struct regulator *regulator) +int regulator_bulk_register_supply_alias(struct device *dev, const char **id, + struct device *alias_dev, + const char **alias_id, + int num_id) { - int rc; + int i; + int ret; + + for (i = 0; i < num_id; ++i) { + ret = regulator_register_supply_alias(dev, id[i], alias_dev, + alias_id[i]); + if (ret < 0) + goto err; + } + + return 0; + +err: + dev_err(dev, + "Failed to create supply alias %s,%s -> %s,%s\n", + id[i], dev_name(dev), alias_id[i], dev_name(alias_dev)); + + while (--i >= 0) + regulator_unregister_supply_alias(dev, id[i]); + + return ret; +} +EXPORT_SYMBOL_GPL(regulator_bulk_register_supply_alias); + +/** + * regulator_bulk_unregister_supply_alias - unregister multiple aliases + * + * @dev: device that will be given as the regulator "consumer" + * @id: List of supply names or regulator IDs + * @num_id: Number of aliases to unregister + * + * This helper function allows drivers to unregister several supply + * aliases in one operation. + */ +void regulator_bulk_unregister_supply_alias(struct device *dev, + const char **id, + int num_id) +{ + int i; - rc = devres_release(regulator->dev, devm_regulator_release, - devm_regulator_match, regulator); - if (rc != 0) - WARN_ON(rc); + for (i = 0; i < num_id; ++i) + regulator_unregister_supply_alias(dev, id[i]); } -EXPORT_SYMBOL_GPL(devm_regulator_put); +EXPORT_SYMBOL_GPL(regulator_bulk_unregister_supply_alias); + /* Manage enable GPIO list. Same GPIO pin can be shared among regulators */ static int regulator_ena_gpio_request(struct regulator_dev *rdev, @@ -1704,11 +1766,39 @@ static int _regulator_do_enable(struct regulator_dev *rdev) * together. */ trace_regulator_enable_delay(rdev_get_name(rdev)); - if (delay >= 1000) { - mdelay(delay / 1000); - udelay(delay % 1000); - } else if (delay) { - udelay(delay); + /* + * Delay for the requested amount of time as per the guidelines in: + * + * Documentation/timers/timers-howto.txt + * + * The assumption here is that regulators will never be enabled in + * atomic context and therefore sleeping functions can be used. + */ + if (delay) { + unsigned int ms = delay / 1000; + unsigned int us = delay % 1000; + + if (ms > 0) { + /* + * For small enough values, handle super-millisecond + * delays in the usleep_range() call below. + */ + if (ms < 20) + us += ms * 1000; + else + msleep(ms); + } + + /* + * Give the scheduler some room to coalesce with any other + * wakeup sources. For delays shorter than 10 us, don't even + * bother setting up high-resolution timers and just busy- + * loop. + */ + if (us >= 10) + usleep_range(us, us + 100); + else + udelay(us); } trace_regulator_enable_complete(rdev_get_name(rdev)); @@ -2489,6 +2579,8 @@ static int _regulator_get_voltage(struct regulator_dev *rdev) ret = rdev->desc->ops->get_voltage(rdev); } else if (rdev->desc->ops->list_voltage) { ret = rdev->desc->ops->list_voltage(rdev, 0); + } else if (rdev->desc->fixed_uV && (rdev->desc->n_voltages == 1)) { + ret = rdev->desc->fixed_uV; } else { return -EINVAL; } @@ -2912,52 +3004,6 @@ err: } EXPORT_SYMBOL_GPL(regulator_bulk_get); -/** - * devm_regulator_bulk_get - managed get multiple regulator consumers - * - * @dev: Device to supply - * @num_consumers: Number of consumers to register - * @consumers: Configuration of consumers; clients are stored here. - * - * @return 0 on success, an errno on failure. - * - * This helper function allows drivers to get several regulator - * consumers in one operation with management, the regulators will - * automatically be freed when the device is unbound. If any of the - * regulators cannot be acquired then any regulators that were - * allocated will be freed before returning to the caller. - */ -int devm_regulator_bulk_get(struct device *dev, int num_consumers, - struct regulator_bulk_data *consumers) -{ - int i; - int ret; - - for (i = 0; i < num_consumers; i++) - consumers[i].consumer = NULL; - - for (i = 0; i < num_consumers; i++) { - consumers[i].consumer = devm_regulator_get(dev, - consumers[i].supply); - if (IS_ERR(consumers[i].consumer)) { - ret = PTR_ERR(consumers[i].consumer); - dev_err(dev, "Failed to get supply '%s': %d\n", - consumers[i].supply, ret); - consumers[i].consumer = NULL; - goto err; - } - } - - return 0; - -err: - for (i = 0; i < num_consumers && consumers[i].consumer; i++) - devm_regulator_put(consumers[i].consumer); - - return ret; -} -EXPORT_SYMBOL_GPL(devm_regulator_bulk_get); - static void regulator_bulk_enable_async(void *data, async_cookie_t cookie) { struct regulator_bulk_data *bulk = data; @@ -3170,7 +3216,8 @@ static int add_regulator_attributes(struct regulator_dev *rdev) /* some attributes need specific methods to be displayed */ if ((ops->get_voltage && ops->get_voltage(rdev) >= 0) || (ops->get_voltage_sel && ops->get_voltage_sel(rdev) >= 0) || - (ops->list_voltage && ops->list_voltage(rdev, 0) >= 0)) { + (ops->list_voltage && ops->list_voltage(rdev, 0) >= 0) || + (rdev->desc->fixed_uV && (rdev->desc->n_voltages == 1))) { status = device_create_file(dev, &dev_attr_microvolts); if (status < 0) return status; @@ -3614,22 +3661,6 @@ void regulator_has_full_constraints(void) EXPORT_SYMBOL_GPL(regulator_has_full_constraints); /** - * regulator_use_dummy_regulator - Provide a dummy regulator when none is found - * - * Calling this function will cause the regulator API to provide a - * dummy regulator to consumers if no physical regulator is found, - * allowing most consumers to proceed as though a regulator were - * configured. This allows systems such as those with software - * controllable regulators for the CPU core only to be brought up more - * readily. - */ -void regulator_use_dummy_regulator(void) -{ - board_wants_dummy_regulator = true; -} -EXPORT_SYMBOL_GPL(regulator_use_dummy_regulator); - -/** * rdev_get_drvdata - get rdev regulator driver data * @rdev: regulator * diff --git a/drivers/regulator/da903x.c b/drivers/regulator/da903x.c index f06854cf8cf5..b431ae357fcd 100644 --- a/drivers/regulator/da903x.c +++ b/drivers/regulator/da903x.c @@ -253,10 +253,8 @@ static int da9034_set_dvc_voltage_sel(struct regulator_dev *rdev, } static const struct regulator_linear_range da9034_ldo12_ranges[] = { - { .min_uV = 1700000, .max_uV = 2050000, .min_sel = 0, .max_sel = 7, - .uV_step = 50000 }, - { .min_uV = 2700000, .max_uV = 3050000, .min_sel = 8, .max_sel = 15, - .uV_step = 50000 }, + REGULATOR_LINEAR_RANGE(1700000, 0, 7, 50000), + REGULATOR_LINEAR_RANGE(2700000, 8, 15, 50000), }; static struct regulator_ops da903x_regulator_ldo_ops = { @@ -463,7 +461,7 @@ static int da903x_regulator_probe(struct platform_device *pdev) config.init_data = dev_get_platdata(&pdev->dev); config.driver_data = ri; - rdev = regulator_register(&ri->desc, &config); + rdev = devm_regulator_register(&pdev->dev, &ri->desc, &config); if (IS_ERR(rdev)) { dev_err(&pdev->dev, "failed to register regulator %s\n", ri->desc.name); @@ -474,21 +472,12 @@ static int da903x_regulator_probe(struct platform_device *pdev) return 0; } -static int da903x_regulator_remove(struct platform_device *pdev) -{ - struct regulator_dev *rdev = platform_get_drvdata(pdev); - - regulator_unregister(rdev); - return 0; -} - static struct platform_driver da903x_regulator_driver = { .driver = { .name = "da903x-regulator", .owner = THIS_MODULE, }, .probe = da903x_regulator_probe, - .remove = da903x_regulator_remove, }; static int __init da903x_regulator_init(void) diff --git a/drivers/regulator/da9052-regulator.c b/drivers/regulator/da9052-regulator.c index 1e4d483f6163..3adeaeffc485 100644 --- a/drivers/regulator/da9052-regulator.c +++ b/drivers/regulator/da9052-regulator.c @@ -70,6 +70,7 @@ struct da9052_regulator_info { int step_uV; int min_uV; int max_uV; + unsigned char activate_bit; }; struct da9052_regulator { @@ -209,6 +210,36 @@ static int da9052_map_voltage(struct regulator_dev *rdev, return sel; } +static int da9052_regulator_set_voltage_sel(struct regulator_dev *rdev, + unsigned int selector) +{ + struct da9052_regulator *regulator = rdev_get_drvdata(rdev); + struct da9052_regulator_info *info = regulator->info; + int id = rdev_get_id(rdev); + int ret; + + ret = da9052_reg_update(regulator->da9052, rdev->desc->vsel_reg, + rdev->desc->vsel_mask, selector); + if (ret < 0) + return ret; + + /* Some LDOs and DCDCs are DVC controlled which requires enabling of + * the activate bit to implment the changes on the output. + */ + switch (id) { + case DA9052_ID_BUCK1: + case DA9052_ID_BUCK2: + case DA9052_ID_BUCK3: + case DA9052_ID_LDO2: + case DA9052_ID_LDO3: + ret = da9052_reg_update(regulator->da9052, DA9052_SUPPLY_REG, + info->activate_bit, info->activate_bit); + break; + } + + return ret; +} + static struct regulator_ops da9052_dcdc_ops = { .get_current_limit = da9052_dcdc_get_current_limit, .set_current_limit = da9052_dcdc_set_current_limit, @@ -216,7 +247,7 @@ static struct regulator_ops da9052_dcdc_ops = { .list_voltage = da9052_list_voltage, .map_voltage = da9052_map_voltage, .get_voltage_sel = regulator_get_voltage_sel_regmap, - .set_voltage_sel = regulator_set_voltage_sel_regmap, + .set_voltage_sel = da9052_regulator_set_voltage_sel, .is_enabled = regulator_is_enabled_regmap, .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, @@ -226,7 +257,7 @@ static struct regulator_ops da9052_ldo_ops = { .list_voltage = da9052_list_voltage, .map_voltage = da9052_map_voltage, .get_voltage_sel = regulator_get_voltage_sel_regmap, - .set_voltage_sel = regulator_set_voltage_sel_regmap, + .set_voltage_sel = da9052_regulator_set_voltage_sel, .is_enabled = regulator_is_enabled_regmap, .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, @@ -243,14 +274,13 @@ static struct regulator_ops da9052_ldo_ops = { .owner = THIS_MODULE,\ .vsel_reg = DA9052_BUCKCORE_REG + DA9052_ID_##_id, \ .vsel_mask = (1 << (sbits)) - 1,\ - .apply_reg = DA9052_SUPPLY_REG, \ - .apply_bit = (abits), \ .enable_reg = DA9052_BUCKCORE_REG + DA9052_ID_##_id, \ .enable_mask = 1 << (ebits),\ },\ .min_uV = (min) * 1000,\ .max_uV = (max) * 1000,\ .step_uV = (step) * 1000,\ + .activate_bit = (abits),\ } #define DA9052_DCDC(_id, step, min, max, sbits, ebits, abits) \ @@ -264,14 +294,13 @@ static struct regulator_ops da9052_ldo_ops = { .owner = THIS_MODULE,\ .vsel_reg = DA9052_BUCKCORE_REG + DA9052_ID_##_id, \ .vsel_mask = (1 << (sbits)) - 1,\ - .apply_reg = DA9052_SUPPLY_REG, \ - .apply_bit = (abits), \ .enable_reg = DA9052_BUCKCORE_REG + DA9052_ID_##_id, \ .enable_mask = 1 << (ebits),\ },\ .min_uV = (min) * 1000,\ .max_uV = (max) * 1000,\ .step_uV = (step) * 1000,\ + .activate_bit = (abits),\ } static struct da9052_regulator_info da9052_regulator_info[] = { @@ -389,8 +418,9 @@ static int da9052_regulator_probe(struct platform_device *pdev) #endif } - regulator->rdev = regulator_register(®ulator->info->reg_desc, - &config); + regulator->rdev = devm_regulator_register(&pdev->dev, + ®ulator->info->reg_desc, + &config); if (IS_ERR(regulator->rdev)) { dev_err(&pdev->dev, "failed to register regulator %s\n", regulator->info->reg_desc.name); @@ -402,17 +432,8 @@ static int da9052_regulator_probe(struct platform_device *pdev) return 0; } -static int da9052_regulator_remove(struct platform_device *pdev) -{ - struct da9052_regulator *regulator = platform_get_drvdata(pdev); - - regulator_unregister(regulator->rdev); - return 0; -} - static struct platform_driver da9052_regulator_driver = { .probe = da9052_regulator_probe, - .remove = da9052_regulator_remove, .driver = { .name = "da9052-regulator", .owner = THIS_MODULE, diff --git a/drivers/regulator/da9055-regulator.c b/drivers/regulator/da9055-regulator.c index 77b53e5a231c..7f340206d329 100644 --- a/drivers/regulator/da9055-regulator.c +++ b/drivers/regulator/da9055-regulator.c @@ -564,13 +564,13 @@ static int da9055_regulator_probe(struct platform_device *pdev) if (ret < 0) return ret; - regulator->rdev = regulator_register(®ulator->info->reg_desc, - &config); + regulator->rdev = devm_regulator_register(&pdev->dev, + ®ulator->info->reg_desc, + &config); if (IS_ERR(regulator->rdev)) { dev_err(&pdev->dev, "Failed to register regulator %s\n", regulator->info->reg_desc.name); - ret = PTR_ERR(regulator->rdev); - return ret; + return PTR_ERR(regulator->rdev); } /* Only LDO 5 and 6 has got the over current interrupt */ @@ -588,7 +588,7 @@ static int da9055_regulator_probe(struct platform_device *pdev) dev_err(&pdev->dev, "Failed to request Regulator IRQ %d: %d\n", irq, ret); - goto err_regulator; + return ret; } } } @@ -596,24 +596,10 @@ static int da9055_regulator_probe(struct platform_device *pdev) platform_set_drvdata(pdev, regulator); return 0; - -err_regulator: - regulator_unregister(regulator->rdev); - return ret; -} - -static int da9055_regulator_remove(struct platform_device *pdev) -{ - struct da9055_regulator *regulator = platform_get_drvdata(pdev); - - regulator_unregister(regulator->rdev); - - return 0; } static struct platform_driver da9055_regulator_driver = { .probe = da9055_regulator_probe, - .remove = da9055_regulator_remove, .driver = { .name = "da9055-regulator", .owner = THIS_MODULE, diff --git a/drivers/regulator/da9063-regulator.c b/drivers/regulator/da9063-regulator.c index b9f2653e4ef9..56727eb745df 100644 --- a/drivers/regulator/da9063-regulator.c +++ b/drivers/regulator/da9063-regulator.c @@ -717,7 +717,7 @@ static int da9063_regulator_probe(struct platform_device *pdev) { struct da9063 *da9063 = dev_get_drvdata(pdev->dev.parent); struct da9063_pdata *da9063_pdata = dev_get_platdata(da9063->dev); - struct of_regulator_match *da9063_reg_matches; + struct of_regulator_match *da9063_reg_matches = NULL; struct da9063_regulators_pdata *regl_pdata; const struct da9063_dev_model *model; struct da9063_regulators *regulators; @@ -847,13 +847,13 @@ static int da9063_regulator_probe(struct platform_device *pdev) if (da9063_reg_matches) config.of_node = da9063_reg_matches[id].of_node; config.regmap = da9063->regmap; - regl->rdev = regulator_register(®l->desc, &config); + regl->rdev = devm_regulator_register(&pdev->dev, ®l->desc, + &config); if (IS_ERR(regl->rdev)) { dev_err(&pdev->dev, "Failed to register %s regulator\n", regl->desc.name); - ret = PTR_ERR(regl->rdev); - goto err; + return PTR_ERR(regl->rdev); } id++; n++; @@ -862,9 +862,8 @@ static int da9063_regulator_probe(struct platform_device *pdev) /* LDOs overcurrent event support */ irq = platform_get_irq_byname(pdev, "LDO_LIM"); if (irq < 0) { - ret = irq; dev_err(&pdev->dev, "Failed to get IRQ.\n"); - goto err; + return irq; } regulators->irq_ldo_lim = regmap_irq_get_virq(da9063->regmap_irq, irq); @@ -881,27 +880,15 @@ static int da9063_regulator_probe(struct platform_device *pdev) } return 0; - -err: - /* Wind back regulators registeration */ - while (--n >= 0) - regulator_unregister(regulators->regulator[n].rdev); - - return ret; } static int da9063_regulator_remove(struct platform_device *pdev) { struct da9063_regulators *regulators = platform_get_drvdata(pdev); - struct da9063_regulator *regl; free_irq(regulators->irq_ldo_lim, regulators); free_irq(regulators->irq_uvov, regulators); - for (regl = ®ulators->regulator[regulators->n_regulators - 1]; - regl >= ®ulators->regulator[0]; regl--) - regulator_unregister(regl->rdev); - return 0; } diff --git a/drivers/regulator/da9210-regulator.c b/drivers/regulator/da9210-regulator.c index f0fe54b38977..6f5ecbe1132e 100644 --- a/drivers/regulator/da9210-regulator.c +++ b/drivers/regulator/da9210-regulator.c @@ -25,6 +25,7 @@ #include <linux/slab.h> #include <linux/regulator/driver.h> #include <linux/regulator/machine.h> +#include <linux/regulator/of_regulator.h> #include <linux/regmap.h> #include "da9210-regulator.h" @@ -126,7 +127,8 @@ static int da9210_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { struct da9210 *chip; - struct da9210_pdata *pdata = i2c->dev.platform_data; + struct device *dev = &i2c->dev; + struct da9210_pdata *pdata = dev_get_platdata(dev); struct regulator_dev *rdev = NULL; struct regulator_config config = { }; int error; @@ -147,12 +149,13 @@ static int da9210_i2c_probe(struct i2c_client *i2c, } config.dev = &i2c->dev; - if (pdata) - config.init_data = &pdata->da9210_constraints; + config.init_data = pdata ? &pdata->da9210_constraints : + of_get_regulator_init_data(dev, dev->of_node); config.driver_data = chip; config.regmap = chip->regmap; + config.of_node = dev->of_node; - rdev = regulator_register(&da9210_reg, &config); + rdev = devm_regulator_register(&i2c->dev, &da9210_reg, &config); if (IS_ERR(rdev)) { dev_err(&i2c->dev, "Failed to register DA9210 regulator\n"); return PTR_ERR(rdev); @@ -165,13 +168,6 @@ static int da9210_i2c_probe(struct i2c_client *i2c, return 0; } -static int da9210_i2c_remove(struct i2c_client *i2c) -{ - struct da9210 *chip = i2c_get_clientdata(i2c); - regulator_unregister(chip->rdev); - return 0; -} - static const struct i2c_device_id da9210_i2c_id[] = { {"da9210", 0}, {}, @@ -185,7 +181,6 @@ static struct i2c_driver da9210_regulator_driver = { .owner = THIS_MODULE, }, .probe = da9210_i2c_probe, - .remove = da9210_i2c_remove, .id_table = da9210_i2c_id, }; diff --git a/drivers/regulator/devres.c b/drivers/regulator/devres.c new file mode 100644 index 000000000000..f44818b838dc --- /dev/null +++ b/drivers/regulator/devres.c @@ -0,0 +1,415 @@ +/* + * devres.c -- Voltage/Current Regulator framework devres implementation. + * + * Copyright 2013 Linaro Ltd + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ + +#include <linux/kernel.h> +#include <linux/err.h> +#include <linux/regmap.h> +#include <linux/regulator/consumer.h> +#include <linux/regulator/driver.h> +#include <linux/module.h> + +#include "internal.h" + +enum { + NORMAL_GET, + EXCLUSIVE_GET, + OPTIONAL_GET, +}; + +static void devm_regulator_release(struct device *dev, void *res) +{ + regulator_put(*(struct regulator **)res); +} + +static struct regulator *_devm_regulator_get(struct device *dev, const char *id, + int get_type) +{ + struct regulator **ptr, *regulator; + + ptr = devres_alloc(devm_regulator_release, sizeof(*ptr), GFP_KERNEL); + if (!ptr) + return ERR_PTR(-ENOMEM); + + switch (get_type) { + case NORMAL_GET: + regulator = regulator_get(dev, id); + break; + case EXCLUSIVE_GET: + regulator = regulator_get_exclusive(dev, id); + break; + case OPTIONAL_GET: + regulator = regulator_get_optional(dev, id); + break; + default: + regulator = ERR_PTR(-EINVAL); + } + + if (!IS_ERR(regulator)) { + *ptr = regulator; + devres_add(dev, ptr); + } else { + devres_free(ptr); + } + + return regulator; +} + +/** + * devm_regulator_get - Resource managed regulator_get() + * @dev: device for regulator "consumer" + * @id: Supply name or regulator ID. + * + * Managed regulator_get(). Regulators returned from this function are + * automatically regulator_put() on driver detach. See regulator_get() for more + * information. + */ +struct regulator *devm_regulator_get(struct device *dev, const char *id) +{ + return _devm_regulator_get(dev, id, NORMAL_GET); +} +EXPORT_SYMBOL_GPL(devm_regulator_get); + +/** + * devm_regulator_get_exclusive - Resource managed regulator_get_exclusive() + * @dev: device for regulator "consumer" + * @id: Supply name or regulator ID. + * + * Managed regulator_get_exclusive(). Regulators returned from this function + * are automatically regulator_put() on driver detach. See regulator_get() for + * more information. + */ +struct regulator *devm_regulator_get_exclusive(struct device *dev, + const char *id) +{ + return _devm_regulator_get(dev, id, EXCLUSIVE_GET); +} +EXPORT_SYMBOL_GPL(devm_regulator_get_exclusive); + +/** + * devm_regulator_get_optional - Resource managed regulator_get_optional() + * @dev: device for regulator "consumer" + * @id: Supply name or regulator ID. + * + * Managed regulator_get_optional(). Regulators returned from this + * function are automatically regulator_put() on driver detach. See + * regulator_get_optional() for more information. + */ +struct regulator *devm_regulator_get_optional(struct device *dev, + const char *id) +{ + return _devm_regulator_get(dev, id, OPTIONAL_GET); +} +EXPORT_SYMBOL_GPL(devm_regulator_get_optional); + +static int devm_regulator_match(struct device *dev, void *res, void *data) +{ + struct regulator **r = res; + if (!r || !*r) { + WARN_ON(!r || !*r); + return 0; + } + return *r == data; +} + +/** + * devm_regulator_put - Resource managed regulator_put() + * @regulator: regulator to free + * + * Deallocate a regulator allocated with devm_regulator_get(). Normally + * this function will not need to be called and the resource management + * code will ensure that the resource is freed. + */ +void devm_regulator_put(struct regulator *regulator) +{ + int rc; + + rc = devres_release(regulator->dev, devm_regulator_release, + devm_regulator_match, regulator); + if (rc != 0) + WARN_ON(rc); +} +EXPORT_SYMBOL_GPL(devm_regulator_put); + +/** + * devm_regulator_bulk_get - managed get multiple regulator consumers + * + * @dev: Device to supply + * @num_consumers: Number of consumers to register + * @consumers: Configuration of consumers; clients are stored here. + * + * @return 0 on success, an errno on failure. + * + * This helper function allows drivers to get several regulator + * consumers in one operation with management, the regulators will + * automatically be freed when the device is unbound. If any of the + * regulators cannot be acquired then any regulators that were + * allocated will be freed before returning to the caller. + */ +int devm_regulator_bulk_get(struct device *dev, int num_consumers, + struct regulator_bulk_data *consumers) +{ + int i; + int ret; + + for (i = 0; i < num_consumers; i++) + consumers[i].consumer = NULL; + + for (i = 0; i < num_consumers; i++) { + consumers[i].consumer = devm_regulator_get(dev, + consumers[i].supply); + if (IS_ERR(consumers[i].consumer)) { + ret = PTR_ERR(consumers[i].consumer); + dev_err(dev, "Failed to get supply '%s': %d\n", + consumers[i].supply, ret); + consumers[i].consumer = NULL; + goto err; + } + } + + return 0; + +err: + for (i = 0; i < num_consumers && consumers[i].consumer; i++) + devm_regulator_put(consumers[i].consumer); + + return ret; +} +EXPORT_SYMBOL_GPL(devm_regulator_bulk_get); + +static void devm_rdev_release(struct device *dev, void *res) +{ + regulator_unregister(*(struct regulator_dev **)res); +} + +/** + * devm_regulator_register - Resource managed regulator_register() + * @regulator_desc: regulator to register + * @config: runtime configuration for regulator + * + * Called by regulator drivers to register a regulator. Returns a + * valid pointer to struct regulator_dev on success or an ERR_PTR() on + * error. The regulator will automatically be released when the device + * is unbound. + */ +struct regulator_dev *devm_regulator_register(struct device *dev, + const struct regulator_desc *regulator_desc, + const struct regulator_config *config) +{ + struct regulator_dev **ptr, *rdev; + + ptr = devres_alloc(devm_rdev_release, sizeof(*ptr), + GFP_KERNEL); + if (!ptr) + return ERR_PTR(-ENOMEM); + + rdev = regulator_register(regulator_desc, config); + if (!IS_ERR(rdev)) { + *ptr = rdev; + devres_add(dev, ptr); + } else { + devres_free(ptr); + } + + return rdev; +} +EXPORT_SYMBOL_GPL(devm_regulator_register); + +static int devm_rdev_match(struct device *dev, void *res, void *data) +{ + struct regulator_dev **r = res; + if (!r || !*r) { + WARN_ON(!r || !*r); + return 0; + } + return *r == data; +} + +/** + * devm_regulator_unregister - Resource managed regulator_unregister() + * @regulator: regulator to free + * + * Unregister a regulator registered with devm_regulator_register(). + * Normally this function will not need to be called and the resource + * management code will ensure that the resource is freed. + */ +void devm_regulator_unregister(struct device *dev, struct regulator_dev *rdev) +{ + int rc; + + rc = devres_release(dev, devm_rdev_release, devm_rdev_match, rdev); + if (rc != 0) + WARN_ON(rc); +} +EXPORT_SYMBOL_GPL(devm_regulator_unregister); + +struct regulator_supply_alias_match { + struct device *dev; + const char *id; +}; + +static int devm_regulator_match_supply_alias(struct device *dev, void *res, + void *data) +{ + struct regulator_supply_alias_match *match = res; + struct regulator_supply_alias_match *target = data; + + return match->dev == target->dev && strcmp(match->id, target->id) == 0; +} + +static void devm_regulator_destroy_supply_alias(struct device *dev, void *res) +{ + struct regulator_supply_alias_match *match = res; + + regulator_unregister_supply_alias(match->dev, match->id); +} + +/** + * devm_regulator_register_supply_alias - Resource managed + * regulator_register_supply_alias() + * + * @dev: device that will be given as the regulator "consumer" + * @id: Supply name or regulator ID + * @alias_dev: device that should be used to lookup the supply + * @alias_id: Supply name or regulator ID that should be used to lookup the + * supply + * + * The supply alias will automatically be unregistered when the source + * device is unbound. + */ +int devm_regulator_register_supply_alias(struct device *dev, const char *id, + struct device *alias_dev, + const char *alias_id) +{ + struct regulator_supply_alias_match *match; + int ret; + + match = devres_alloc(devm_regulator_destroy_supply_alias, + sizeof(struct regulator_supply_alias_match), + GFP_KERNEL); + if (!match) + return -ENOMEM; + + match->dev = dev; + match->id = id; + + ret = regulator_register_supply_alias(dev, id, alias_dev, alias_id); + if (ret < 0) { + devres_free(match); + return ret; + } + + devres_add(dev, match); + + return 0; +} +EXPORT_SYMBOL_GPL(devm_regulator_register_supply_alias); + +/** + * devm_regulator_unregister_supply_alias - Resource managed + * regulator_unregister_supply_alias() + * + * @dev: device that will be given as the regulator "consumer" + * @id: Supply name or regulator ID + * + * Unregister an alias registered with + * devm_regulator_register_supply_alias(). Normally this function + * will not need to be called and the resource management code + * will ensure that the resource is freed. + */ +void devm_regulator_unregister_supply_alias(struct device *dev, const char *id) +{ + struct regulator_supply_alias_match match; + int rc; + + match.dev = dev; + match.id = id; + + rc = devres_release(dev, devm_regulator_destroy_supply_alias, + devm_regulator_match_supply_alias, &match); + if (rc != 0) + WARN_ON(rc); +} +EXPORT_SYMBOL_GPL(devm_regulator_unregister_supply_alias); + +/** + * devm_regulator_bulk_register_supply_alias - Managed register + * multiple aliases + * + * @dev: device that will be given as the regulator "consumer" + * @id: List of supply names or regulator IDs + * @alias_dev: device that should be used to lookup the supply + * @alias_id: List of supply names or regulator IDs that should be used to + * lookup the supply + * @num_id: Number of aliases to register + * + * @return 0 on success, an errno on failure. + * + * This helper function allows drivers to register several supply + * aliases in one operation, the aliases will be automatically + * unregisters when the source device is unbound. If any of the + * aliases cannot be registered any aliases that were registered + * will be removed before returning to the caller. + */ +int devm_regulator_bulk_register_supply_alias(struct device *dev, + const char **id, + struct device *alias_dev, + const char **alias_id, + int num_id) +{ + int i; + int ret; + + for (i = 0; i < num_id; ++i) { + ret = devm_regulator_register_supply_alias(dev, id[i], + alias_dev, + alias_id[i]); + if (ret < 0) + goto err; + } + + return 0; + +err: + dev_err(dev, + "Failed to create supply alias %s,%s -> %s,%s\n", + id[i], dev_name(dev), alias_id[i], dev_name(alias_dev)); + + while (--i >= 0) + devm_regulator_unregister_supply_alias(dev, id[i]); + + return ret; +} +EXPORT_SYMBOL_GPL(devm_regulator_bulk_register_supply_alias); + +/** + * devm_regulator_bulk_unregister_supply_alias - Managed unregister + * multiple aliases + * + * @dev: device that will be given as the regulator "consumer" + * @id: List of supply names or regulator IDs + * @num_id: Number of aliases to unregister + * + * Unregister aliases registered with + * devm_regulator_bulk_register_supply_alias(). Normally this function + * will not need to be called and the resource management code + * will ensure that the resource is freed. + */ +void devm_regulator_bulk_unregister_supply_alias(struct device *dev, + const char **id, + int num_id) +{ + int i; + + for (i = 0; i < num_id; ++i) + devm_regulator_unregister_supply_alias(dev, id[i]); +} +EXPORT_SYMBOL_GPL(devm_regulator_bulk_unregister_supply_alias); diff --git a/drivers/regulator/fan53555.c b/drivers/regulator/fan53555.c index 70b7220c587f..7ca3d9e3b0fe 100644 --- a/drivers/regulator/fan53555.c +++ b/drivers/regulator/fan53555.c @@ -218,9 +218,8 @@ static int fan53555_regulator_register(struct fan53555_device_info *di, rdesc->vsel_mask = VSEL_NSEL_MASK; rdesc->owner = THIS_MODULE; - di->rdev = regulator_register(&di->desc, config); + di->rdev = devm_regulator_register(di->dev, &di->desc, config); return PTR_ERR_OR_ZERO(di->rdev); - } static struct regmap_config fan53555_regmap_config = { @@ -291,14 +290,6 @@ static int fan53555_regulator_probe(struct i2c_client *client, } -static int fan53555_regulator_remove(struct i2c_client *client) -{ - struct fan53555_device_info *di = i2c_get_clientdata(client); - - regulator_unregister(di->rdev); - return 0; -} - static const struct i2c_device_id fan53555_id[] = { {"fan53555", -1}, { }, @@ -309,7 +300,6 @@ static struct i2c_driver fan53555_regulator_driver = { .name = "fan53555-regulator", }, .probe = fan53555_regulator_probe, - .remove = fan53555_regulator_remove, .id_table = fan53555_id, }; diff --git a/drivers/regulator/fixed.c b/drivers/regulator/fixed.c index 7610920014d7..5ea64b94341c 100644 --- a/drivers/regulator/fixed.c +++ b/drivers/regulator/fixed.c @@ -34,7 +34,6 @@ struct fixed_voltage_data { struct regulator_desc desc; struct regulator_dev *dev; - int microvolts; }; @@ -108,30 +107,7 @@ of_get_fixed_voltage_config(struct device *dev) return config; } -static int fixed_voltage_get_voltage(struct regulator_dev *dev) -{ - struct fixed_voltage_data *data = rdev_get_drvdata(dev); - - if (data->microvolts) - return data->microvolts; - else - return -EINVAL; -} - -static int fixed_voltage_list_voltage(struct regulator_dev *dev, - unsigned selector) -{ - struct fixed_voltage_data *data = rdev_get_drvdata(dev); - - if (selector != 0) - return -EINVAL; - - return data->microvolts; -} - static struct regulator_ops fixed_voltage_ops = { - .get_voltage = fixed_voltage_get_voltage, - .list_voltage = fixed_voltage_list_voltage, }; static int reg_fixed_voltage_probe(struct platform_device *pdev) @@ -186,23 +162,21 @@ static int reg_fixed_voltage_probe(struct platform_device *pdev) if (config->microvolts) drvdata->desc.n_voltages = 1; - drvdata->microvolts = config->microvolts; + drvdata->desc.fixed_uV = config->microvolts; if (config->gpio >= 0) cfg.ena_gpio = config->gpio; cfg.ena_gpio_invert = !config->enable_high; if (config->enabled_at_boot) { - if (config->enable_high) { + if (config->enable_high) cfg.ena_gpio_flags |= GPIOF_OUT_INIT_HIGH; - } else { + else cfg.ena_gpio_flags |= GPIOF_OUT_INIT_LOW; - } } else { - if (config->enable_high) { + if (config->enable_high) cfg.ena_gpio_flags |= GPIOF_OUT_INIT_LOW; - } else { + else cfg.ena_gpio_flags |= GPIOF_OUT_INIT_HIGH; - } } if (config->gpio_is_open_drain) cfg.ena_gpio_flags |= GPIOF_OPEN_DRAIN; @@ -222,7 +196,7 @@ static int reg_fixed_voltage_probe(struct platform_device *pdev) platform_set_drvdata(pdev, drvdata); dev_dbg(&pdev->dev, "%s supplying %duV\n", drvdata->desc.name, - drvdata->microvolts); + drvdata->desc.fixed_uV); return 0; diff --git a/drivers/regulator/gpio-regulator.c b/drivers/regulator/gpio-regulator.c index 98a98ffa7fe0..04406a918c04 100644 --- a/drivers/regulator/gpio-regulator.c +++ b/drivers/regulator/gpio-regulator.c @@ -283,7 +283,6 @@ static int gpio_regulator_probe(struct platform_device *pdev) dev_err(&pdev->dev, "No regulator type set\n"); ret = -EINVAL; goto err_memgpio; - break; } drvdata->nr_gpios = config->nr_gpios; diff --git a/drivers/regulator/helpers.c b/drivers/regulator/helpers.c index 6e30df14714b..e221a271ba56 100644 --- a/drivers/regulator/helpers.c +++ b/drivers/regulator/helpers.c @@ -284,9 +284,13 @@ int regulator_map_voltage_linear_range(struct regulator_dev *rdev, } for (i = 0; i < rdev->desc->n_linear_ranges; i++) { + int linear_max_uV; + range = &rdev->desc->linear_ranges[i]; + linear_max_uV = range->min_uV + + (range->max_sel - range->min_sel) * range->uV_step; - if (!(min_uV <= range->max_uV && max_uV >= range->min_uV)) + if (!(min_uV <= linear_max_uV && max_uV >= range->min_uV)) continue; if (min_uV <= range->min_uV) diff --git a/drivers/regulator/internal.h b/drivers/regulator/internal.h new file mode 100644 index 000000000000..84bbda10c396 --- /dev/null +++ b/drivers/regulator/internal.h @@ -0,0 +1,38 @@ +/* + * internal.h -- Voltage/Current Regulator framework internal code + * + * Copyright 2007, 2008 Wolfson Microelectronics PLC. + * Copyright 2008 SlimLogic Ltd. + * + * Author: Liam Girdwood <lrg@slimlogic.co.uk> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ + +#ifndef __REGULATOR_INTERNAL_H +#define __REGULATOR_INTERNAL_H + +/* + * struct regulator + * + * One for each consumer device. + */ +struct regulator { + struct device *dev; + struct list_head list; + unsigned int always_on:1; + unsigned int bypass:1; + int uA_load; + int min_uV; + int max_uV; + char *supply_name; + struct device_attribute dev_attr; + struct regulator_dev *rdev; + struct dentry *debugfs; +}; + +#endif diff --git a/drivers/regulator/isl6271a-regulator.c b/drivers/regulator/isl6271a-regulator.c index 88c1a3acf563..6e5da95fa025 100644 --- a/drivers/regulator/isl6271a-regulator.c +++ b/drivers/regulator/isl6271a-regulator.c @@ -112,7 +112,7 @@ static int isl6271a_probe(struct i2c_client *i2c, struct regulator_config config = { }; struct regulator_init_data *init_data = dev_get_platdata(&i2c->dev); struct isl_pmic *pmic; - int err, i; + int i; if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -EIO; @@ -133,32 +133,17 @@ static int isl6271a_probe(struct i2c_client *i2c, config.init_data = NULL; config.driver_data = pmic; - pmic->rdev[i] = regulator_register(&isl_rd[i], &config); + pmic->rdev[i] = devm_regulator_register(&i2c->dev, &isl_rd[i], + &config); if (IS_ERR(pmic->rdev[i])) { dev_err(&i2c->dev, "failed to register %s\n", id->name); - err = PTR_ERR(pmic->rdev[i]); - goto error; + return PTR_ERR(pmic->rdev[i]); } } i2c_set_clientdata(i2c, pmic); return 0; - -error: - while (--i >= 0) - regulator_unregister(pmic->rdev[i]); - return err; -} - -static int isl6271a_remove(struct i2c_client *i2c) -{ - struct isl_pmic *pmic = i2c_get_clientdata(i2c); - int i; - - for (i = 0; i < 3; i++) - regulator_unregister(pmic->rdev[i]); - return 0; } static const struct i2c_device_id isl6271a_id[] = { @@ -174,7 +159,6 @@ static struct i2c_driver isl6271a_i2c_driver = { .owner = THIS_MODULE, }, .probe = isl6271a_probe, - .remove = isl6271a_remove, .id_table = isl6271a_id, }; diff --git a/drivers/regulator/lp3971.c b/drivers/regulator/lp3971.c index 5a4604ee5ea5..947c05ffe0ab 100644 --- a/drivers/regulator/lp3971.c +++ b/drivers/regulator/lp3971.c @@ -474,8 +474,8 @@ static int lp3971_i2c_remove(struct i2c_client *i2c) } static const struct i2c_device_id lp3971_i2c_id[] = { - { "lp3971", 0 }, - { } + { "lp3971", 0 }, + { } }; MODULE_DEVICE_TABLE(i2c, lp3971_i2c_id); diff --git a/drivers/regulator/lp872x.c b/drivers/regulator/lp872x.c index 2b84b727a3c4..2e4734ff79fc 100644 --- a/drivers/regulator/lp872x.c +++ b/drivers/regulator/lp872x.c @@ -785,7 +785,7 @@ static int lp872x_regulator_register(struct lp872x *lp) struct regulator_desc *desc; struct regulator_config cfg = { }; struct regulator_dev *rdev; - int i, ret; + int i; for (i = 0; i < lp->num_regulators; i++) { desc = (lp->chipid == LP8720) ? &lp8720_regulator_desc[i] : @@ -796,34 +796,16 @@ static int lp872x_regulator_register(struct lp872x *lp) cfg.driver_data = lp; cfg.regmap = lp->regmap; - rdev = regulator_register(desc, &cfg); + rdev = devm_regulator_register(lp->dev, desc, &cfg); if (IS_ERR(rdev)) { dev_err(lp->dev, "regulator register err"); - ret = PTR_ERR(rdev); - goto err; + return PTR_ERR(rdev); } *(lp->regulators + i) = rdev; } return 0; -err: - while (--i >= 0) { - rdev = *(lp->regulators + i); - regulator_unregister(rdev); - } - return ret; -} - -static void lp872x_regulator_unregister(struct lp872x *lp) -{ - struct regulator_dev *rdev; - int i; - - for (i = 0; i < lp->num_regulators; i++) { - rdev = *(lp->regulators + i); - regulator_unregister(rdev); - } } static const struct regmap_config lp872x_regmap_config = { @@ -979,14 +961,6 @@ err_dev: return ret; } -static int lp872x_remove(struct i2c_client *cl) -{ - struct lp872x *lp = i2c_get_clientdata(cl); - - lp872x_regulator_unregister(lp); - return 0; -} - static const struct of_device_id lp872x_dt_ids[] = { { .compatible = "ti,lp8720", }, { .compatible = "ti,lp8725", }, @@ -1008,7 +982,6 @@ static struct i2c_driver lp872x_driver = { .of_match_table = of_match_ptr(lp872x_dt_ids), }, .probe = lp872x_probe, - .remove = lp872x_remove, .id_table = lp872x_ids, }; diff --git a/drivers/regulator/lp8788-buck.c b/drivers/regulator/lp8788-buck.c index 0b015f2a7fd9..948afc249e29 100644 --- a/drivers/regulator/lp8788-buck.c +++ b/drivers/regulator/lp8788-buck.c @@ -515,7 +515,7 @@ static int lp8788_buck_probe(struct platform_device *pdev) cfg.driver_data = buck; cfg.regmap = lp->regmap; - rdev = regulator_register(&lp8788_buck_desc[id], &cfg); + rdev = devm_regulator_register(&pdev->dev, &lp8788_buck_desc[id], &cfg); if (IS_ERR(rdev)) { ret = PTR_ERR(rdev); dev_err(&pdev->dev, "BUCK%d regulator register err = %d\n", @@ -529,18 +529,8 @@ static int lp8788_buck_probe(struct platform_device *pdev) return 0; } -static int lp8788_buck_remove(struct platform_device *pdev) -{ - struct lp8788_buck *buck = platform_get_drvdata(pdev); - - regulator_unregister(buck->regulator); - - return 0; -} - static struct platform_driver lp8788_buck_driver = { .probe = lp8788_buck_probe, - .remove = lp8788_buck_remove, .driver = { .name = LP8788_DEV_BUCK, .owner = THIS_MODULE, diff --git a/drivers/regulator/lp8788-ldo.c b/drivers/regulator/lp8788-ldo.c index 0527d87c6dd5..b9a29a29933f 100644 --- a/drivers/regulator/lp8788-ldo.c +++ b/drivers/regulator/lp8788-ldo.c @@ -543,7 +543,7 @@ static int lp8788_dldo_probe(struct platform_device *pdev) cfg.driver_data = ldo; cfg.regmap = lp->regmap; - rdev = regulator_register(&lp8788_dldo_desc[id], &cfg); + rdev = devm_regulator_register(&pdev->dev, &lp8788_dldo_desc[id], &cfg); if (IS_ERR(rdev)) { ret = PTR_ERR(rdev); dev_err(&pdev->dev, "DLDO%d regulator register err = %d\n", @@ -557,18 +557,8 @@ static int lp8788_dldo_probe(struct platform_device *pdev) return 0; } -static int lp8788_dldo_remove(struct platform_device *pdev) -{ - struct lp8788_ldo *ldo = platform_get_drvdata(pdev); - - regulator_unregister(ldo->regulator); - - return 0; -} - static struct platform_driver lp8788_dldo_driver = { .probe = lp8788_dldo_probe, - .remove = lp8788_dldo_remove, .driver = { .name = LP8788_DEV_DLDO, .owner = THIS_MODULE, @@ -603,7 +593,7 @@ static int lp8788_aldo_probe(struct platform_device *pdev) cfg.driver_data = ldo; cfg.regmap = lp->regmap; - rdev = regulator_register(&lp8788_aldo_desc[id], &cfg); + rdev = devm_regulator_register(&pdev->dev, &lp8788_aldo_desc[id], &cfg); if (IS_ERR(rdev)) { ret = PTR_ERR(rdev); dev_err(&pdev->dev, "ALDO%d regulator register err = %d\n", @@ -617,18 +607,8 @@ static int lp8788_aldo_probe(struct platform_device *pdev) return 0; } -static int lp8788_aldo_remove(struct platform_device *pdev) -{ - struct lp8788_ldo *ldo = platform_get_drvdata(pdev); - - regulator_unregister(ldo->regulator); - - return 0; -} - static struct platform_driver lp8788_aldo_driver = { .probe = lp8788_aldo_probe, - .remove = lp8788_aldo_remove, .driver = { .name = LP8788_DEV_ALDO, .owner = THIS_MODULE, diff --git a/drivers/regulator/max1586.c b/drivers/regulator/max1586.c index 3a599ee0a456..e242dd316d36 100644 --- a/drivers/regulator/max1586.c +++ b/drivers/regulator/max1586.c @@ -166,7 +166,7 @@ static int max1586_pmic_probe(struct i2c_client *client, struct max1586_platform_data *pdata = dev_get_platdata(&client->dev); struct regulator_config config = { }; struct max1586_data *max1586; - int i, id, ret = -ENOMEM; + int i, id; max1586 = devm_kzalloc(&client->dev, sizeof(struct max1586_data) + sizeof(struct regulator_dev *) * (MAX1586_V6 + 1), @@ -193,7 +193,7 @@ static int max1586_pmic_probe(struct i2c_client *client, continue; if (id < MAX1586_V3 || id > MAX1586_V6) { dev_err(&client->dev, "invalid regulator id %d\n", id); - goto err; + return -EINVAL; } if (id == MAX1586_V3) { @@ -207,33 +207,18 @@ static int max1586_pmic_probe(struct i2c_client *client, config.init_data = pdata->subdevs[i].platform_data; config.driver_data = max1586; - rdev[i] = regulator_register(&max1586_reg[id], &config); + rdev[i] = devm_regulator_register(&client->dev, + &max1586_reg[id], &config); if (IS_ERR(rdev[i])) { - ret = PTR_ERR(rdev[i]); dev_err(&client->dev, "failed to register %s\n", max1586_reg[id].name); - goto err; + return PTR_ERR(rdev[i]); } } i2c_set_clientdata(client, max1586); dev_info(&client->dev, "Maxim 1586 regulator driver loaded\n"); return 0; - -err: - while (--i >= 0) - regulator_unregister(rdev[i]); - return ret; -} - -static int max1586_pmic_remove(struct i2c_client *client) -{ - struct max1586_data *max1586 = i2c_get_clientdata(client); - int i; - - for (i = 0; i <= MAX1586_V6; i++) - regulator_unregister(max1586->rdev[i]); - return 0; } static const struct i2c_device_id max1586_id[] = { @@ -244,7 +229,6 @@ MODULE_DEVICE_TABLE(i2c, max1586_id); static struct i2c_driver max1586_pmic_driver = { .probe = max1586_pmic_probe, - .remove = max1586_pmic_remove, .driver = { .name = "max1586", .owner = THIS_MODULE, diff --git a/drivers/regulator/max77686.c b/drivers/regulator/max77686.c index f563057e5690..ae001ccf26f4 100644 --- a/drivers/regulator/max77686.c +++ b/drivers/regulator/max77686.c @@ -478,32 +478,16 @@ static int max77686_pmic_probe(struct platform_device *pdev) config.of_node = pdata->regulators[i].of_node; max77686->opmode[i] = regulators[i].enable_mask; - max77686->rdev[i] = regulator_register(®ulators[i], &config); + max77686->rdev[i] = devm_regulator_register(&pdev->dev, + ®ulators[i], &config); if (IS_ERR(max77686->rdev[i])) { - ret = PTR_ERR(max77686->rdev[i]); dev_err(&pdev->dev, "regulator init failed for %d\n", i); - max77686->rdev[i] = NULL; - goto err; + return PTR_ERR(max77686->rdev[i]); } } return 0; -err: - while (--i >= 0) - regulator_unregister(max77686->rdev[i]); - return ret; -} - -static int max77686_pmic_remove(struct platform_device *pdev) -{ - struct max77686_data *max77686 = platform_get_drvdata(pdev); - int i; - - for (i = 0; i < MAX77686_REGULATORS; i++) - regulator_unregister(max77686->rdev[i]); - - return 0; } static const struct platform_device_id max77686_pmic_id[] = { @@ -518,7 +502,6 @@ static struct platform_driver max77686_pmic_driver = { .owner = THIS_MODULE, }, .probe = max77686_pmic_probe, - .remove = max77686_pmic_remove, .id_table = max77686_pmic_id, }; diff --git a/drivers/regulator/max77693.c b/drivers/regulator/max77693.c index ce4b96c15eba..feb20bf4ccab 100644 --- a/drivers/regulator/max77693.c +++ b/drivers/regulator/max77693.c @@ -230,7 +230,7 @@ static int max77693_pmic_probe(struct platform_device *pdev) struct max77693_dev *iodev = dev_get_drvdata(pdev->dev.parent); struct max77693_pmic_dev *max77693_pmic; struct max77693_regulator_data *rdata = NULL; - int num_rdata, i, ret; + int num_rdata, i; struct regulator_config config; num_rdata = max77693_pmic_init_rdata(&pdev->dev, &rdata); @@ -266,36 +266,16 @@ static int max77693_pmic_probe(struct platform_device *pdev) config.init_data = rdata[i].initdata; config.of_node = rdata[i].of_node; - max77693_pmic->rdev[i] = regulator_register(®ulators[id], - &config); + max77693_pmic->rdev[i] = devm_regulator_register(&pdev->dev, + ®ulators[id], &config); if (IS_ERR(max77693_pmic->rdev[i])) { - ret = PTR_ERR(max77693_pmic->rdev[i]); dev_err(max77693_pmic->dev, "Failed to initialize regulator-%d\n", id); - max77693_pmic->rdev[i] = NULL; - goto err; + return PTR_ERR(max77693_pmic->rdev[i]); } } return 0; - err: - while (--i >= 0) - regulator_unregister(max77693_pmic->rdev[i]); - - return ret; -} - -static int max77693_pmic_remove(struct platform_device *pdev) -{ - struct max77693_pmic_dev *max77693_pmic = platform_get_drvdata(pdev); - struct regulator_dev **rdev = max77693_pmic->rdev; - int i; - - for (i = 0; i < max77693_pmic->num_regulators; i++) - if (rdev[i]) - regulator_unregister(rdev[i]); - - return 0; } static const struct platform_device_id max77693_pmic_id[] = { @@ -311,7 +291,6 @@ static struct platform_driver max77693_pmic_driver = { .owner = THIS_MODULE, }, .probe = max77693_pmic_probe, - .remove = max77693_pmic_remove, .id_table = max77693_pmic_id, }; diff --git a/drivers/regulator/max8649.c b/drivers/regulator/max8649.c index 19c6f08eafd5..7f049c92ee52 100644 --- a/drivers/regulator/max8649.c +++ b/drivers/regulator/max8649.c @@ -234,7 +234,8 @@ static int max8649_regulator_probe(struct i2c_client *client, config.driver_data = info; config.regmap = info->regmap; - info->regulator = regulator_register(&dcdc_desc, &config); + info->regulator = devm_regulator_register(&client->dev, &dcdc_desc, + &config); if (IS_ERR(info->regulator)) { dev_err(info->dev, "failed to register regulator %s\n", dcdc_desc.name); @@ -244,16 +245,6 @@ static int max8649_regulator_probe(struct i2c_client *client, return 0; } -static int max8649_regulator_remove(struct i2c_client *client) -{ - struct max8649_regulator_info *info = i2c_get_clientdata(client); - - if (info) - regulator_unregister(info->regulator); - - return 0; -} - static const struct i2c_device_id max8649_id[] = { { "max8649", 0 }, { } @@ -262,7 +253,6 @@ MODULE_DEVICE_TABLE(i2c, max8649_id); static struct i2c_driver max8649_driver = { .probe = max8649_regulator_probe, - .remove = max8649_regulator_remove, .driver = { .name = "max8649", }, diff --git a/drivers/regulator/max8660.c b/drivers/regulator/max8660.c index 144bcacd734d..8d94d3d7f97f 100644 --- a/drivers/regulator/max8660.c +++ b/drivers/regulator/max8660.c @@ -439,7 +439,7 @@ static int max8660_probe(struct i2c_client *client, for (i = 0; i < pdata->num_subdevs; i++) { if (!pdata->subdevs[i].platform_data) - goto err_out; + return ret; boot_on = pdata->subdevs[i].platform_data->constraints.boot_on; @@ -465,7 +465,7 @@ static int max8660_probe(struct i2c_client *client, case MAX8660_V7: if (type == MAX8661) { dev_err(dev, "Regulator not on this chip!\n"); - goto err_out; + return -EINVAL; } if (boot_on) @@ -475,7 +475,7 @@ static int max8660_probe(struct i2c_client *client, default: dev_err(dev, "invalid regulator %s\n", pdata->subdevs[i].name); - goto err_out; + return ret; } } @@ -489,33 +489,18 @@ static int max8660_probe(struct i2c_client *client, config.of_node = of_node[i]; config.driver_data = max8660; - rdev[i] = regulator_register(&max8660_reg[id], &config); + rdev[i] = devm_regulator_register(&client->dev, + &max8660_reg[id], &config); if (IS_ERR(rdev[i])) { ret = PTR_ERR(rdev[i]); - dev_err(dev, "failed to register %s\n", + dev_err(&client->dev, "failed to register %s\n", max8660_reg[id].name); - goto err_unregister; + return PTR_ERR(rdev[i]); } } i2c_set_clientdata(client, max8660); return 0; - -err_unregister: - while (--i >= 0) - regulator_unregister(rdev[i]); -err_out: - return ret; -} - -static int max8660_remove(struct i2c_client *client) -{ - struct max8660 *max8660 = i2c_get_clientdata(client); - int i; - - for (i = 0; i < MAX8660_V_END; i++) - regulator_unregister(max8660->rdev[i]); - return 0; } static const struct i2c_device_id max8660_id[] = { @@ -527,7 +512,6 @@ MODULE_DEVICE_TABLE(i2c, max8660_id); static struct i2c_driver max8660_driver = { .probe = max8660_probe, - .remove = max8660_remove, .driver = { .name = "max8660", .owner = THIS_MODULE, diff --git a/drivers/regulator/max8907-regulator.c b/drivers/regulator/max8907-regulator.c index 4568c15fa78d..0c5fe6c6ac26 100644 --- a/drivers/regulator/max8907-regulator.c +++ b/drivers/regulator/max8907-regulator.c @@ -350,33 +350,17 @@ static int max8907_regulator_probe(struct platform_device *pdev) pmic->desc[i].ops = &max8907_out5v_hwctl_ops; } - pmic->rdev[i] = regulator_register(&pmic->desc[i], &config); + pmic->rdev[i] = devm_regulator_register(&pdev->dev, + &pmic->desc[i], &config); if (IS_ERR(pmic->rdev[i])) { dev_err(&pdev->dev, "failed to register %s regulator\n", pmic->desc[i].name); - ret = PTR_ERR(pmic->rdev[i]); - goto err_unregister_regulator; + return PTR_ERR(pmic->rdev[i]); } } return 0; - -err_unregister_regulator: - while (--i >= 0) - regulator_unregister(pmic->rdev[i]); - return ret; -} - -static int max8907_regulator_remove(struct platform_device *pdev) -{ - struct max8907_regulator *pmic = platform_get_drvdata(pdev); - int i; - - for (i = 0; i < MAX8907_NUM_REGULATORS; i++) - regulator_unregister(pmic->rdev[i]); - - return 0; } static struct platform_driver max8907_regulator_driver = { @@ -385,7 +369,6 @@ static struct platform_driver max8907_regulator_driver = { .owner = THIS_MODULE, }, .probe = max8907_regulator_probe, - .remove = max8907_regulator_remove, }; static int __init max8907_regulator_init(void) diff --git a/drivers/regulator/max8925-regulator.c b/drivers/regulator/max8925-regulator.c index d80b5fa758ae..759510789e71 100644 --- a/drivers/regulator/max8925-regulator.c +++ b/drivers/regulator/max8925-regulator.c @@ -312,7 +312,7 @@ static int max8925_regulator_probe(struct platform_device *pdev) if (pdata) config.init_data = pdata; - rdev = regulator_register(&ri->desc, &config); + rdev = devm_regulator_register(&pdev->dev, &ri->desc, &config); if (IS_ERR(rdev)) { dev_err(&pdev->dev, "failed to register regulator %s\n", ri->desc.name); @@ -323,22 +323,12 @@ static int max8925_regulator_probe(struct platform_device *pdev) return 0; } -static int max8925_regulator_remove(struct platform_device *pdev) -{ - struct regulator_dev *rdev = platform_get_drvdata(pdev); - - regulator_unregister(rdev); - - return 0; -} - static struct platform_driver max8925_regulator_driver = { .driver = { .name = "max8925-regulator", .owner = THIS_MODULE, }, .probe = max8925_regulator_probe, - .remove = max8925_regulator_remove, }; static int __init max8925_regulator_init(void) diff --git a/drivers/regulator/max8973-regulator.c b/drivers/regulator/max8973-regulator.c index 5b77ab7762e4..892aa1e5b96c 100644 --- a/drivers/regulator/max8973-regulator.c +++ b/drivers/regulator/max8973-regulator.c @@ -467,7 +467,7 @@ static int max8973_probe(struct i2c_client *client, config.regmap = max->regmap; /* Register the regulators */ - rdev = regulator_register(&max->desc, &config); + rdev = devm_regulator_register(&client->dev, &max->desc, &config); if (IS_ERR(rdev)) { ret = PTR_ERR(rdev); dev_err(max->dev, "regulator register failed, err %d\n", ret); @@ -478,14 +478,6 @@ static int max8973_probe(struct i2c_client *client, return 0; } -static int max8973_remove(struct i2c_client *client) -{ - struct max8973_chip *max = i2c_get_clientdata(client); - - regulator_unregister(max->rdev); - return 0; -} - static const struct i2c_device_id max8973_id[] = { {.name = "max8973",}, {}, @@ -499,7 +491,6 @@ static struct i2c_driver max8973_i2c_driver = { .owner = THIS_MODULE, }, .probe = max8973_probe, - .remove = max8973_remove, .id_table = max8973_id, }; diff --git a/drivers/regulator/max8997.c b/drivers/regulator/max8997.c index df20069f0537..2d618fc9c1af 100644 --- a/drivers/regulator/max8997.c +++ b/drivers/regulator/max8997.c @@ -690,8 +690,9 @@ static int max8997_set_voltage_buck(struct regulator_dev *rdev, if (max8997->ignore_gpiodvs_side_effect == false) return -EINVAL; - dev_warn(&rdev->dev, "MAX8997 GPIO-DVS Side Effect Warning: GPIO SET:" - " %d -> %d\n", max8997->buck125_gpioindex, tmp_idx); + dev_warn(&rdev->dev, + "MAX8997 GPIO-DVS Side Effect Warning: GPIO SET: %d -> %d\n", + max8997->buck125_gpioindex, tmp_idx); out: if (new_idx < 0 || new_val < 0) @@ -1081,7 +1082,7 @@ static int max8997_pmic_probe(struct platform_device *pdev) pdata->buck1_voltage[i] + buck1245_voltage_map_desc.step); if (ret < 0) - goto err_out; + return ret; max8997->buck2_vol[i] = ret = max8997_get_voltage_proper_val( @@ -1090,7 +1091,7 @@ static int max8997_pmic_probe(struct platform_device *pdev) pdata->buck2_voltage[i] + buck1245_voltage_map_desc.step); if (ret < 0) - goto err_out; + return ret; max8997->buck5_vol[i] = ret = max8997_get_voltage_proper_val( @@ -1099,7 +1100,7 @@ static int max8997_pmic_probe(struct platform_device *pdev) pdata->buck5_voltage[i] + buck1245_voltage_map_desc.step); if (ret < 0) - goto err_out; + return ret; if (max_buck1 < max8997->buck1_vol[i]) max_buck1 = max8997->buck1_vol[i]; @@ -1143,24 +1144,23 @@ static int max8997_pmic_probe(struct platform_device *pdev) !gpio_is_valid(pdata->buck125_gpios[1]) || !gpio_is_valid(pdata->buck125_gpios[2])) { dev_err(&pdev->dev, "GPIO NOT VALID\n"); - ret = -EINVAL; - goto err_out; + return -EINVAL; } ret = devm_gpio_request(&pdev->dev, pdata->buck125_gpios[0], "MAX8997 SET1"); if (ret) - goto err_out; + return ret; ret = devm_gpio_request(&pdev->dev, pdata->buck125_gpios[1], "MAX8997 SET2"); if (ret) - goto err_out; + return ret; ret = devm_gpio_request(&pdev->dev, pdata->buck125_gpios[2], "MAX8997 SET3"); if (ret) - goto err_out; + return ret; gpio_direction_output(pdata->buck125_gpios[0], (max8997->buck125_gpioindex >> 2) @@ -1205,33 +1205,16 @@ static int max8997_pmic_probe(struct platform_device *pdev) config.driver_data = max8997; config.of_node = pdata->regulators[i].reg_node; - rdev[i] = regulator_register(®ulators[id], &config); + rdev[i] = devm_regulator_register(&pdev->dev, ®ulators[id], + &config); if (IS_ERR(rdev[i])) { - ret = PTR_ERR(rdev[i]); dev_err(max8997->dev, "regulator init failed for %d\n", id); - rdev[i] = NULL; - goto err; + return PTR_ERR(rdev[i]); } } return 0; -err: - while (--i >= 0) - regulator_unregister(rdev[i]); -err_out: - return ret; -} - -static int max8997_pmic_remove(struct platform_device *pdev) -{ - struct max8997_data *max8997 = platform_get_drvdata(pdev); - struct regulator_dev **rdev = max8997->rdev; - int i; - - for (i = 0; i < max8997->num_regulators; i++) - regulator_unregister(rdev[i]); - return 0; } static const struct platform_device_id max8997_pmic_id[] = { @@ -1246,7 +1229,6 @@ static struct platform_driver max8997_pmic_driver = { .owner = THIS_MODULE, }, .probe = max8997_pmic_probe, - .remove = max8997_pmic_remove, .id_table = max8997_pmic_id, }; diff --git a/drivers/regulator/max8998.c b/drivers/regulator/max8998.c index a4c53b2d1aaf..ae3f0656feb0 100644 --- a/drivers/regulator/max8998.c +++ b/drivers/regulator/max8998.c @@ -790,16 +790,14 @@ static int max8998_pmic_probe(struct platform_device *pdev) dev_err(&pdev->dev, "MAX8998 SET1 GPIO defined as 0 !\n"); WARN_ON(!pdata->buck1_set1); - ret = -EIO; - goto err_out; + return -EIO; } /* Check if SET2 is not equal to 0 */ if (!pdata->buck1_set2) { dev_err(&pdev->dev, "MAX8998 SET2 GPIO defined as 0 !\n"); WARN_ON(!pdata->buck1_set2); - ret = -EIO; - goto err_out; + return -EIO; } gpio_request(pdata->buck1_set1, "MAX8998 BUCK1_SET1"); @@ -823,7 +821,7 @@ static int max8998_pmic_probe(struct platform_device *pdev) ret = max8998_write_reg(i2c, MAX8998_REG_BUCK1_VOLTAGE1 + v, i); if (ret) - goto err_out; + return ret; } } @@ -833,8 +831,7 @@ static int max8998_pmic_probe(struct platform_device *pdev) dev_err(&pdev->dev, "MAX8998 SET3 GPIO defined as 0 !\n"); WARN_ON(!pdata->buck2_set3); - ret = -EIO; - goto err_out; + return -EIO; } gpio_request(pdata->buck2_set3, "MAX8998 BUCK2_SET3"); gpio_direction_output(pdata->buck2_set3, @@ -852,7 +849,7 @@ static int max8998_pmic_probe(struct platform_device *pdev) ret = max8998_write_reg(i2c, MAX8998_REG_BUCK2_VOLTAGE1 + v, i); if (ret) - goto err_out; + return ret; } } @@ -875,34 +872,19 @@ static int max8998_pmic_probe(struct platform_device *pdev) config.init_data = pdata->regulators[i].initdata; config.driver_data = max8998; - rdev[i] = regulator_register(®ulators[index], &config); + rdev[i] = devm_regulator_register(&pdev->dev, + ®ulators[index], &config); if (IS_ERR(rdev[i])) { ret = PTR_ERR(rdev[i]); dev_err(max8998->dev, "regulator %s init failed (%d)\n", regulators[index].name, ret); rdev[i] = NULL; - goto err; + return ret; } } return 0; -err: - while (--i >= 0) - regulator_unregister(rdev[i]); -err_out: - return ret; -} - -static int max8998_pmic_remove(struct platform_device *pdev) -{ - struct max8998_data *max8998 = platform_get_drvdata(pdev); - struct regulator_dev **rdev = max8998->rdev; - int i; - - for (i = 0; i < max8998->num_regulators; i++) - regulator_unregister(rdev[i]); - return 0; } static const struct platform_device_id max8998_pmic_id[] = { @@ -918,7 +900,6 @@ static struct platform_driver max8998_pmic_driver = { .owner = THIS_MODULE, }, .probe = max8998_pmic_probe, - .remove = max8998_pmic_remove, .id_table = max8998_pmic_id, }; diff --git a/drivers/regulator/mc13783-regulator.c b/drivers/regulator/mc13783-regulator.c index 5ff99d2703db..7f4a67edf780 100644 --- a/drivers/regulator/mc13783-regulator.c +++ b/drivers/regulator/mc13783-regulator.c @@ -258,34 +258,34 @@ static struct mc13xxx_regulator mc13783_regulators[] = { MC13783_FIXED_DEFINE(REG, VAUDIO, REGULATORMODE0, mc13783_vaudio_val), MC13783_FIXED_DEFINE(REG, VIOHI, REGULATORMODE0, mc13783_viohi_val), - MC13783_DEFINE_REGU(VIOLO, REGULATORMODE0, REGULATORSETTING0, \ + MC13783_DEFINE_REGU(VIOLO, REGULATORMODE0, REGULATORSETTING0, mc13783_violo_val), - MC13783_DEFINE_REGU(VDIG, REGULATORMODE0, REGULATORSETTING0, \ + MC13783_DEFINE_REGU(VDIG, REGULATORMODE0, REGULATORSETTING0, mc13783_vdig_val), - MC13783_DEFINE_REGU(VGEN, REGULATORMODE0, REGULATORSETTING0, \ + MC13783_DEFINE_REGU(VGEN, REGULATORMODE0, REGULATORSETTING0, mc13783_vgen_val), - MC13783_DEFINE_REGU(VRFDIG, REGULATORMODE0, REGULATORSETTING0, \ + MC13783_DEFINE_REGU(VRFDIG, REGULATORMODE0, REGULATORSETTING0, mc13783_vrfdig_val), - MC13783_DEFINE_REGU(VRFREF, REGULATORMODE0, REGULATORSETTING0, \ + MC13783_DEFINE_REGU(VRFREF, REGULATORMODE0, REGULATORSETTING0, mc13783_vrfref_val), - MC13783_DEFINE_REGU(VRFCP, REGULATORMODE0, REGULATORSETTING0, \ + MC13783_DEFINE_REGU(VRFCP, REGULATORMODE0, REGULATORSETTING0, mc13783_vrfcp_val), - MC13783_DEFINE_REGU(VSIM, REGULATORMODE1, REGULATORSETTING0, \ + MC13783_DEFINE_REGU(VSIM, REGULATORMODE1, REGULATORSETTING0, mc13783_vsim_val), - MC13783_DEFINE_REGU(VESIM, REGULATORMODE1, REGULATORSETTING0, \ + MC13783_DEFINE_REGU(VESIM, REGULATORMODE1, REGULATORSETTING0, mc13783_vesim_val), - MC13783_DEFINE_REGU(VCAM, REGULATORMODE1, REGULATORSETTING0, \ + MC13783_DEFINE_REGU(VCAM, REGULATORMODE1, REGULATORSETTING0, mc13783_vcam_val), MC13783_FIXED_DEFINE(REG, VRFBG, REGULATORMODE1, mc13783_vrfbg_val), - MC13783_DEFINE_REGU(VVIB, REGULATORMODE1, REGULATORSETTING1, \ + MC13783_DEFINE_REGU(VVIB, REGULATORMODE1, REGULATORSETTING1, mc13783_vvib_val), - MC13783_DEFINE_REGU(VRF1, REGULATORMODE1, REGULATORSETTING1, \ + MC13783_DEFINE_REGU(VRF1, REGULATORMODE1, REGULATORSETTING1, mc13783_vrf_val), - MC13783_DEFINE_REGU(VRF2, REGULATORMODE1, REGULATORSETTING1, \ + MC13783_DEFINE_REGU(VRF2, REGULATORMODE1, REGULATORSETTING1, mc13783_vrf_val), - MC13783_DEFINE_REGU(VMMC1, REGULATORMODE1, REGULATORSETTING1, \ + MC13783_DEFINE_REGU(VMMC1, REGULATORMODE1, REGULATORSETTING1, mc13783_vmmc_val), - MC13783_DEFINE_REGU(VMMC2, REGULATORMODE1, REGULATORSETTING1, \ + MC13783_DEFINE_REGU(VMMC2, REGULATORMODE1, REGULATORSETTING1, mc13783_vmmc_val), MC13783_GPO_DEFINE(REG, GPO1, POWERMISC, mc13783_gpo_val), MC13783_GPO_DEFINE(REG, GPO2, POWERMISC, mc13783_gpo_val), @@ -400,7 +400,7 @@ static int mc13783_regulator_probe(struct platform_device *pdev) dev_get_platdata(&pdev->dev); struct mc13xxx_regulator_init_data *mc13xxx_data; struct regulator_config config = { }; - int i, ret, num_regulators; + int i, num_regulators; num_regulators = mc13xxx_get_num_regulators_dt(pdev); @@ -444,32 +444,16 @@ static int mc13783_regulator_probe(struct platform_device *pdev) config.driver_data = priv; config.of_node = node; - priv->regulators[i] = regulator_register(desc, &config); + priv->regulators[i] = devm_regulator_register(&pdev->dev, desc, + &config); if (IS_ERR(priv->regulators[i])) { dev_err(&pdev->dev, "failed to register regulator %s\n", mc13783_regulators[i].desc.name); - ret = PTR_ERR(priv->regulators[i]); - goto err; + return PTR_ERR(priv->regulators[i]); } } return 0; -err: - while (--i >= 0) - regulator_unregister(priv->regulators[i]); - - return ret; -} - -static int mc13783_regulator_remove(struct platform_device *pdev) -{ - struct mc13xxx_regulator_priv *priv = platform_get_drvdata(pdev); - int i; - - for (i = 0; i < priv->num_regulators; i++) - regulator_unregister(priv->regulators[i]); - - return 0; } static struct platform_driver mc13783_regulator_driver = { @@ -477,7 +461,6 @@ static struct platform_driver mc13783_regulator_driver = { .name = "mc13783-regulator", .owner = THIS_MODULE, }, - .remove = mc13783_regulator_remove, .probe = mc13783_regulator_probe, }; diff --git a/drivers/regulator/mc13892-regulator.c b/drivers/regulator/mc13892-regulator.c index 1037e07937cf..96c9f80d9550 100644 --- a/drivers/regulator/mc13892-regulator.c +++ b/drivers/regulator/mc13892-regulator.c @@ -611,43 +611,27 @@ static int mc13892_regulator_probe(struct platform_device *pdev) config.driver_data = priv; config.of_node = node; - priv->regulators[i] = regulator_register(desc, &config); + priv->regulators[i] = devm_regulator_register(&pdev->dev, desc, + &config); if (IS_ERR(priv->regulators[i])) { dev_err(&pdev->dev, "failed to register regulator %s\n", mc13892_regulators[i].desc.name); - ret = PTR_ERR(priv->regulators[i]); - goto err; + return PTR_ERR(priv->regulators[i]); } } return 0; -err: - while (--i >= 0) - regulator_unregister(priv->regulators[i]); - return ret; err_unlock: mc13xxx_unlock(mc13892); return ret; } -static int mc13892_regulator_remove(struct platform_device *pdev) -{ - struct mc13xxx_regulator_priv *priv = platform_get_drvdata(pdev); - int i; - - for (i = 0; i < priv->num_regulators; i++) - regulator_unregister(priv->regulators[i]); - - return 0; -} - static struct platform_driver mc13892_regulator_driver = { .driver = { .name = "mc13892-regulator", .owner = THIS_MODULE, }, - .remove = mc13892_regulator_remove, .probe = mc13892_regulator_probe, }; diff --git a/drivers/regulator/of_regulator.c b/drivers/regulator/of_regulator.c index 7827384680d6..ea4f36f2cbe2 100644 --- a/drivers/regulator/of_regulator.c +++ b/drivers/regulator/of_regulator.c @@ -23,6 +23,8 @@ static void of_get_regulation_constraints(struct device_node *np, const __be32 *min_uA, *max_uA, *ramp_delay; struct property *prop; struct regulation_constraints *constraints = &(*init_data)->constraints; + int ret; + u32 pval; constraints->name = of_get_property(np, "regulator-name", NULL); @@ -73,6 +75,10 @@ static void of_get_regulation_constraints(struct device_node *np, else constraints->ramp_disable = true; } + + ret = of_property_read_u32(np, "regulator-enable-ramp-delay", &pval); + if (!ret) + constraints->enable_time = pval; } /** diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c index 7e2b165972e6..9c62b1d34685 100644 --- a/drivers/regulator/palmas-regulator.c +++ b/drivers/regulator/palmas-regulator.c @@ -33,6 +33,7 @@ struct regs_info { u8 vsel_addr; u8 ctrl_addr; u8 tstep_addr; + int sleep_id; }; static const struct regs_info palmas_regs_info[] = { @@ -42,6 +43,7 @@ static const struct regs_info palmas_regs_info[] = { .vsel_addr = PALMAS_SMPS12_VOLTAGE, .ctrl_addr = PALMAS_SMPS12_CTRL, .tstep_addr = PALMAS_SMPS12_TSTEP, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS12, }, { .name = "SMPS123", @@ -49,12 +51,14 @@ static const struct regs_info palmas_regs_info[] = { .vsel_addr = PALMAS_SMPS12_VOLTAGE, .ctrl_addr = PALMAS_SMPS12_CTRL, .tstep_addr = PALMAS_SMPS12_TSTEP, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS12, }, { .name = "SMPS3", .sname = "smps3-in", .vsel_addr = PALMAS_SMPS3_VOLTAGE, .ctrl_addr = PALMAS_SMPS3_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS3, }, { .name = "SMPS45", @@ -62,6 +66,7 @@ static const struct regs_info palmas_regs_info[] = { .vsel_addr = PALMAS_SMPS45_VOLTAGE, .ctrl_addr = PALMAS_SMPS45_CTRL, .tstep_addr = PALMAS_SMPS45_TSTEP, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS45, }, { .name = "SMPS457", @@ -69,6 +74,7 @@ static const struct regs_info palmas_regs_info[] = { .vsel_addr = PALMAS_SMPS45_VOLTAGE, .ctrl_addr = PALMAS_SMPS45_CTRL, .tstep_addr = PALMAS_SMPS45_TSTEP, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS45, }, { .name = "SMPS6", @@ -76,12 +82,14 @@ static const struct regs_info palmas_regs_info[] = { .vsel_addr = PALMAS_SMPS6_VOLTAGE, .ctrl_addr = PALMAS_SMPS6_CTRL, .tstep_addr = PALMAS_SMPS6_TSTEP, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS6, }, { .name = "SMPS7", .sname = "smps7-in", .vsel_addr = PALMAS_SMPS7_VOLTAGE, .ctrl_addr = PALMAS_SMPS7_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS7, }, { .name = "SMPS8", @@ -89,108 +97,128 @@ static const struct regs_info palmas_regs_info[] = { .vsel_addr = PALMAS_SMPS8_VOLTAGE, .ctrl_addr = PALMAS_SMPS8_CTRL, .tstep_addr = PALMAS_SMPS8_TSTEP, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS8, }, { .name = "SMPS9", .sname = "smps9-in", .vsel_addr = PALMAS_SMPS9_VOLTAGE, .ctrl_addr = PALMAS_SMPS9_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS9, }, { .name = "SMPS10_OUT2", .sname = "smps10-in", .ctrl_addr = PALMAS_SMPS10_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS10, }, { .name = "SMPS10_OUT1", .sname = "smps10-out2", .ctrl_addr = PALMAS_SMPS10_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS10, }, { .name = "LDO1", .sname = "ldo1-in", .vsel_addr = PALMAS_LDO1_VOLTAGE, .ctrl_addr = PALMAS_LDO1_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO1, }, { .name = "LDO2", .sname = "ldo2-in", .vsel_addr = PALMAS_LDO2_VOLTAGE, .ctrl_addr = PALMAS_LDO2_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO2, }, { .name = "LDO3", .sname = "ldo3-in", .vsel_addr = PALMAS_LDO3_VOLTAGE, .ctrl_addr = PALMAS_LDO3_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO3, }, { .name = "LDO4", .sname = "ldo4-in", .vsel_addr = PALMAS_LDO4_VOLTAGE, .ctrl_addr = PALMAS_LDO4_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO4, }, { .name = "LDO5", .sname = "ldo5-in", .vsel_addr = PALMAS_LDO5_VOLTAGE, .ctrl_addr = PALMAS_LDO5_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO5, }, { .name = "LDO6", .sname = "ldo6-in", .vsel_addr = PALMAS_LDO6_VOLTAGE, .ctrl_addr = PALMAS_LDO6_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO6, }, { .name = "LDO7", .sname = "ldo7-in", .vsel_addr = PALMAS_LDO7_VOLTAGE, .ctrl_addr = PALMAS_LDO7_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO7, }, { .name = "LDO8", .sname = "ldo8-in", .vsel_addr = PALMAS_LDO8_VOLTAGE, .ctrl_addr = PALMAS_LDO8_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO8, }, { .name = "LDO9", .sname = "ldo9-in", .vsel_addr = PALMAS_LDO9_VOLTAGE, .ctrl_addr = PALMAS_LDO9_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO9, }, { .name = "LDOLN", .sname = "ldoln-in", .vsel_addr = PALMAS_LDOLN_VOLTAGE, .ctrl_addr = PALMAS_LDOLN_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDOLN, }, { .name = "LDOUSB", .sname = "ldousb-in", .vsel_addr = PALMAS_LDOUSB_VOLTAGE, .ctrl_addr = PALMAS_LDOUSB_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDOUSB, }, { .name = "REGEN1", .ctrl_addr = PALMAS_REGEN1_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_REGEN1, }, { .name = "REGEN2", .ctrl_addr = PALMAS_REGEN2_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_REGEN2, }, { .name = "REGEN3", .ctrl_addr = PALMAS_REGEN3_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_REGEN3, }, { .name = "SYSEN1", .ctrl_addr = PALMAS_SYSEN1_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SYSEN1, }, { .name = "SYSEN2", .ctrl_addr = PALMAS_SYSEN2_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SYSEN2, }, }; @@ -478,6 +506,17 @@ static struct regulator_ops palmas_ops_smps = { .set_ramp_delay = palmas_smps_set_ramp_delay, }; +static struct regulator_ops palmas_ops_ext_control_smps = { + .set_mode = palmas_set_mode_smps, + .get_mode = palmas_get_mode_smps, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .list_voltage = palmas_list_voltage_smps, + .map_voltage = palmas_map_voltage_smps, + .set_voltage_time_sel = palma_smps_set_voltage_smps_time_sel, + .set_ramp_delay = palmas_smps_set_ramp_delay, +}; + static struct regulator_ops palmas_ops_smps10 = { .is_enabled = regulator_is_enabled_regmap, .enable = regulator_enable_regmap, @@ -513,12 +552,37 @@ static struct regulator_ops palmas_ops_ldo = { .map_voltage = regulator_map_voltage_linear, }; +static struct regulator_ops palmas_ops_ext_control_ldo = { + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .list_voltage = regulator_list_voltage_linear, + .map_voltage = regulator_map_voltage_linear, +}; + static struct regulator_ops palmas_ops_extreg = { .is_enabled = regulator_is_enabled_regmap, .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, }; +static struct regulator_ops palmas_ops_ext_control_extreg = { +}; + +static int palmas_regulator_config_external(struct palmas *palmas, int id, + struct palmas_reg_init *reg_init) +{ + int sleep_id = palmas_regs_info[id].sleep_id; + int ret; + + ret = palmas_ext_control_req_config(palmas, sleep_id, + reg_init->roof_floor, true); + if (ret < 0) + dev_err(palmas->dev, + "Ext control config for regulator %d failed %d\n", + id, ret); + return ret; +} + /* * setup the hardware based sleep configuration of the SMPS/LDO regulators * from the platform data. This is different to the software based control @@ -577,7 +641,22 @@ static int palmas_smps_init(struct palmas *palmas, int id, return ret; } + if (reg_init->roof_floor && (id != PALMAS_REG_SMPS10_OUT1) && + (id != PALMAS_REG_SMPS10_OUT2)) { + /* Enable externally controlled regulator */ + addr = palmas_regs_info[id].ctrl_addr; + ret = palmas_smps_read(palmas, addr, ®); + if (ret < 0) + return ret; + if (!(reg & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK)) { + reg |= SMPS_CTRL_MODE_ON; + ret = palmas_smps_write(palmas, addr, reg); + if (ret < 0) + return ret; + } + return palmas_regulator_config_external(palmas, id, reg_init); + } return 0; } @@ -608,6 +687,20 @@ static int palmas_ldo_init(struct palmas *palmas, int id, if (ret) return ret; + if (reg_init->roof_floor) { + /* Enable externally controlled regulator */ + addr = palmas_regs_info[id].ctrl_addr; + ret = palmas_update_bits(palmas, PALMAS_LDO_BASE, + addr, PALMAS_LDO1_CTRL_MODE_ACTIVE, + PALMAS_LDO1_CTRL_MODE_ACTIVE); + if (ret < 0) { + dev_err(palmas->dev, + "LDO Register 0x%02x update failed %d\n", + addr, ret); + return ret; + } + return palmas_regulator_config_external(palmas, id, reg_init); + } return 0; } @@ -630,6 +723,21 @@ static int palmas_extreg_init(struct palmas *palmas, int id, addr, ret); return ret; } + + if (reg_init->roof_floor) { + /* Enable externally controlled regulator */ + addr = palmas_regs_info[id].ctrl_addr; + ret = palmas_update_bits(palmas, PALMAS_RESOURCE_BASE, + addr, PALMAS_REGEN1_CTRL_MODE_ACTIVE, + PALMAS_REGEN1_CTRL_MODE_ACTIVE); + if (ret < 0) { + dev_err(palmas->dev, + "Resource Register 0x%02x update failed %d\n", + addr, ret); + return ret; + } + return palmas_regulator_config_external(palmas, id, reg_init); + } return 0; } @@ -712,7 +820,7 @@ static void palmas_dt_to_pdata(struct device *dev, int idx, ret; node = of_node_get(node); - regulators = of_find_node_by_name(node, "regulators"); + regulators = of_get_child_by_name(node, "regulators"); if (!regulators) { dev_info(dev, "regulator node not found\n"); return; @@ -740,9 +848,35 @@ static void palmas_dt_to_pdata(struct device *dev, of_property_read_bool(palmas_matches[idx].of_node, "ti,warm-reset"); - pdata->reg_init[idx]->roof_floor = - of_property_read_bool(palmas_matches[idx].of_node, - "ti,roof-floor"); + ret = of_property_read_u32(palmas_matches[idx].of_node, + "ti,roof-floor", &prop); + /* EINVAL: Property not found */ + if (ret != -EINVAL) { + int econtrol; + + /* use default value, when no value is specified */ + econtrol = PALMAS_EXT_CONTROL_NSLEEP; + if (!ret) { + switch (prop) { + case 1: + econtrol = PALMAS_EXT_CONTROL_ENABLE1; + break; + case 2: + econtrol = PALMAS_EXT_CONTROL_ENABLE2; + break; + case 3: + econtrol = PALMAS_EXT_CONTROL_NSLEEP; + break; + default: + WARN_ON(1); + dev_warn(dev, + "%s: Invalid roof-floor option: %u\n", + palmas_matches[idx].name, prop); + break; + } + } + pdata->reg_init[idx]->roof_floor = econtrol; + } ret = of_property_read_u32(palmas_matches[idx].of_node, "ti,mode-sleep", &prop); @@ -856,7 +990,7 @@ static int palmas_regulators_probe(struct platform_device *pdev) if (ret < 0) { dev_err(&pdev->dev, "reading TSTEP reg failed: %d\n", ret); - goto err_unregister_regulator; + return ret; } pmic->desc[id].ramp_delay = palmas_smps_ramp_delay[reg & 0x3]; @@ -868,7 +1002,9 @@ static int palmas_regulators_probe(struct platform_device *pdev) reg_init = pdata->reg_init[id]; ret = palmas_smps_init(palmas, id, reg_init); if (ret) - goto err_unregister_regulator; + return ret; + } else { + reg_init = NULL; } /* Register the regulators */ @@ -909,11 +1045,15 @@ static int palmas_regulators_probe(struct platform_device *pdev) ret = palmas_smps_read(pmic->palmas, addr, ®); if (ret) - goto err_unregister_regulator; + return ret; if (reg & PALMAS_SMPS12_VOLTAGE_RANGE) pmic->range[id] = 1; - pmic->desc[id].ops = &palmas_ops_smps; + if (reg_init && reg_init->roof_floor) + pmic->desc[id].ops = + &palmas_ops_ext_control_smps; + else + pmic->desc[id].ops = &palmas_ops_smps; pmic->desc[id].n_voltages = PALMAS_SMPS_NUM_VOLTAGES; pmic->desc[id].vsel_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, @@ -925,7 +1065,7 @@ static int palmas_regulators_probe(struct platform_device *pdev) addr = palmas_regs_info[id].ctrl_addr; ret = palmas_smps_read(pmic->palmas, addr, ®); if (ret) - goto err_unregister_regulator; + return ret; pmic->current_reg_mode[id] = reg & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK; } @@ -941,13 +1081,13 @@ static int palmas_regulators_probe(struct platform_device *pdev) pmic->desc[id].supply_name = palmas_regs_info[id].sname; config.of_node = palmas_matches[id].of_node; - rdev = regulator_register(&pmic->desc[id], &config); + rdev = devm_regulator_register(&pdev->dev, &pmic->desc[id], + &config); if (IS_ERR(rdev)) { dev_err(&pdev->dev, "failed to register %s regulator\n", pdev->name); - ret = PTR_ERR(rdev); - goto err_unregister_regulator; + return PTR_ERR(rdev); } /* Save regulator for cleanup */ @@ -956,6 +1096,10 @@ static int palmas_regulators_probe(struct platform_device *pdev) /* Start this loop from the id left from previous loop */ for (; id < PALMAS_NUM_REGS; id++) { + if (pdata && pdata->reg_init[id]) + reg_init = pdata->reg_init[id]; + else + reg_init = NULL; /* Miss out regulators which are not available due * to alternate functions. @@ -969,7 +1113,11 @@ static int palmas_regulators_probe(struct platform_device *pdev) if (id < PALMAS_REG_REGEN1) { pmic->desc[id].n_voltages = PALMAS_LDO_NUM_VOLTAGES; - pmic->desc[id].ops = &palmas_ops_ldo; + if (reg_init && reg_init->roof_floor) + pmic->desc[id].ops = + &palmas_ops_ext_control_ldo; + else + pmic->desc[id].ops = &palmas_ops_ldo; pmic->desc[id].min_uV = 900000; pmic->desc[id].uV_step = 50000; pmic->desc[id].linear_min_sel = 1; @@ -999,7 +1147,11 @@ static int palmas_regulators_probe(struct platform_device *pdev) pmic->desc[id].enable_time = 2000; } else { pmic->desc[id].n_voltages = 1; - pmic->desc[id].ops = &palmas_ops_extreg; + if (reg_init && reg_init->roof_floor) + pmic->desc[id].ops = + &palmas_ops_ext_control_extreg; + else + pmic->desc[id].ops = &palmas_ops_extreg; pmic->desc[id].enable_reg = PALMAS_BASE_TO_REG(PALMAS_RESOURCE_BASE, palmas_regs_info[id].ctrl_addr); @@ -1015,13 +1167,13 @@ static int palmas_regulators_probe(struct platform_device *pdev) pmic->desc[id].supply_name = palmas_regs_info[id].sname; config.of_node = palmas_matches[id].of_node; - rdev = regulator_register(&pmic->desc[id], &config); + rdev = devm_regulator_register(&pdev->dev, &pmic->desc[id], + &config); if (IS_ERR(rdev)) { dev_err(&pdev->dev, "failed to register %s regulator\n", pdev->name); - ret = PTR_ERR(rdev); - goto err_unregister_regulator; + return PTR_ERR(rdev); } /* Save regulator for cleanup */ @@ -1037,31 +1189,14 @@ static int palmas_regulators_probe(struct platform_device *pdev) else ret = palmas_extreg_init(palmas, id, reg_init); - if (ret) { - regulator_unregister(pmic->rdev[id]); - goto err_unregister_regulator; - } + if (ret) + return ret; } } } return 0; - -err_unregister_regulator: - while (--id >= 0) - regulator_unregister(pmic->rdev[id]); - return ret; -} - -static int palmas_regulators_remove(struct platform_device *pdev) -{ - struct palmas_pmic *pmic = platform_get_drvdata(pdev); - int id; - - for (id = 0; id < PALMAS_NUM_REGS; id++) - regulator_unregister(pmic->rdev[id]); - return 0; } static struct of_device_id of_palmas_match_tbl[] = { @@ -1083,7 +1218,6 @@ static struct platform_driver palmas_driver = { .owner = THIS_MODULE, }, .probe = palmas_regulators_probe, - .remove = palmas_regulators_remove, }; static int __init palmas_init(void) diff --git a/drivers/regulator/pcap-regulator.c b/drivers/regulator/pcap-regulator.c index b49eaeedea84..3727b7d0e9ac 100644 --- a/drivers/regulator/pcap-regulator.c +++ b/drivers/regulator/pcap-regulator.c @@ -246,7 +246,8 @@ static int pcap_regulator_probe(struct platform_device *pdev) config.init_data = dev_get_platdata(&pdev->dev); config.driver_data = pcap; - rdev = regulator_register(&pcap_regulators[pdev->id], &config); + rdev = devm_regulator_register(&pdev->dev, &pcap_regulators[pdev->id], + &config); if (IS_ERR(rdev)) return PTR_ERR(rdev); @@ -255,22 +256,12 @@ static int pcap_regulator_probe(struct platform_device *pdev) return 0; } -static int pcap_regulator_remove(struct platform_device *pdev) -{ - struct regulator_dev *rdev = platform_get_drvdata(pdev); - - regulator_unregister(rdev); - - return 0; -} - static struct platform_driver pcap_regulator_driver = { .driver = { .name = "pcap-regulator", .owner = THIS_MODULE, }, .probe = pcap_regulator_probe, - .remove = pcap_regulator_remove, }; static int __init pcap_regulator_init(void) diff --git a/drivers/regulator/pcf50633-regulator.c b/drivers/regulator/pcf50633-regulator.c index 0f3576d48abf..d7da1c15a6da 100644 --- a/drivers/regulator/pcf50633-regulator.c +++ b/drivers/regulator/pcf50633-regulator.c @@ -90,7 +90,8 @@ static int pcf50633_regulator_probe(struct platform_device *pdev) config.driver_data = pcf; config.regmap = pcf->regmap; - rdev = regulator_register(®ulators[pdev->id], &config); + rdev = devm_regulator_register(&pdev->dev, ®ulators[pdev->id], + &config); if (IS_ERR(rdev)) return PTR_ERR(rdev); @@ -102,21 +103,11 @@ static int pcf50633_regulator_probe(struct platform_device *pdev) return 0; } -static int pcf50633_regulator_remove(struct platform_device *pdev) -{ - struct regulator_dev *rdev = platform_get_drvdata(pdev); - - regulator_unregister(rdev); - - return 0; -} - static struct platform_driver pcf50633_regulator_driver = { .driver = { .name = "pcf50633-regltr", }, .probe = pcf50633_regulator_probe, - .remove = pcf50633_regulator_remove, }; static int __init pcf50633_regulator_init(void) diff --git a/drivers/regulator/rc5t583-regulator.c b/drivers/regulator/rc5t583-regulator.c index 5885b4504596..b58affb33143 100644 --- a/drivers/regulator/rc5t583-regulator.c +++ b/drivers/regulator/rc5t583-regulator.c @@ -173,33 +173,16 @@ skip_ext_pwr_config: config.driver_data = reg; config.regmap = rc5t583->regmap; - rdev = regulator_register(&ri->desc, &config); + rdev = devm_regulator_register(&pdev->dev, &ri->desc, &config); if (IS_ERR(rdev)) { dev_err(&pdev->dev, "Failed to register regulator %s\n", ri->desc.name); - ret = PTR_ERR(rdev); - goto clean_exit; + return PTR_ERR(rdev); } reg->rdev = rdev; } platform_set_drvdata(pdev, regs); return 0; - -clean_exit: - while (--id >= 0) - regulator_unregister(regs[id].rdev); - - return ret; -} - -static int rc5t583_regulator_remove(struct platform_device *pdev) -{ - struct rc5t583_regulator *regs = platform_get_drvdata(pdev); - int id; - - for (id = 0; id < RC5T583_REGULATOR_MAX; ++id) - regulator_unregister(regs[id].rdev); - return 0; } static struct platform_driver rc5t583_regulator_driver = { @@ -208,7 +191,6 @@ static struct platform_driver rc5t583_regulator_driver = { .owner = THIS_MODULE, }, .probe = rc5t583_regulator_probe, - .remove = rc5t583_regulator_remove, }; static int __init rc5t583_regulator_init(void) diff --git a/drivers/regulator/s2mps11.c b/drivers/regulator/s2mps11.c index 5eba2ff8c0e8..333677d68d0e 100644 --- a/drivers/regulator/s2mps11.c +++ b/drivers/regulator/s2mps11.c @@ -448,33 +448,17 @@ common_reg: config.of_node = rdata[i].of_node; } - s2mps11->rdev[i] = regulator_register(®ulators[i], &config); + s2mps11->rdev[i] = devm_regulator_register(&pdev->dev, + ®ulators[i], &config); if (IS_ERR(s2mps11->rdev[i])) { ret = PTR_ERR(s2mps11->rdev[i]); dev_err(&pdev->dev, "regulator init failed for %d\n", i); - s2mps11->rdev[i] = NULL; - goto err; + return ret; } } return 0; -err: - for (i = 0; i < S2MPS11_REGULATOR_MAX; i++) - regulator_unregister(s2mps11->rdev[i]); - - return ret; -} - -static int s2mps11_pmic_remove(struct platform_device *pdev) -{ - struct s2mps11_info *s2mps11 = platform_get_drvdata(pdev); - int i; - - for (i = 0; i < S2MPS11_REGULATOR_MAX; i++) - regulator_unregister(s2mps11->rdev[i]); - - return 0; } static const struct platform_device_id s2mps11_pmic_id[] = { @@ -489,7 +473,6 @@ static struct platform_driver s2mps11_pmic_driver = { .owner = THIS_MODULE, }, .probe = s2mps11_pmic_probe, - .remove = s2mps11_pmic_remove, .id_table = s2mps11_pmic_id, }; diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c index c24448bc43cf..cbf91e25cf7f 100644 --- a/drivers/regulator/s5m8767.c +++ b/drivers/regulator/s5m8767.c @@ -522,7 +522,7 @@ static int s5m8767_pmic_dt_parse_pdata(struct platform_device *pdev, struct device_node *pmic_np, *regulators_np, *reg_np; struct sec_regulator_data *rdata; struct sec_opmode_data *rmode; - unsigned int i, dvs_voltage_nr = 1, ret; + unsigned int i, dvs_voltage_nr = 8, ret; pmic_np = iodev->dev->of_node; if (!pmic_np) { @@ -586,15 +586,39 @@ static int s5m8767_pmic_dt_parse_pdata(struct platform_device *pdev, rmode++; } - if (of_get_property(pmic_np, "s5m8767,pmic-buck2-uses-gpio-dvs", NULL)) + if (of_get_property(pmic_np, "s5m8767,pmic-buck2-uses-gpio-dvs", NULL)) { pdata->buck2_gpiodvs = true; - if (of_get_property(pmic_np, "s5m8767,pmic-buck3-uses-gpio-dvs", NULL)) + if (of_property_read_u32_array(pmic_np, + "s5m8767,pmic-buck2-dvs-voltage", + pdata->buck2_voltage, dvs_voltage_nr)) { + dev_err(iodev->dev, "buck2 voltages not specified\n"); + return -EINVAL; + } + } + + if (of_get_property(pmic_np, "s5m8767,pmic-buck3-uses-gpio-dvs", NULL)) { pdata->buck3_gpiodvs = true; - if (of_get_property(pmic_np, "s5m8767,pmic-buck4-uses-gpio-dvs", NULL)) + if (of_property_read_u32_array(pmic_np, + "s5m8767,pmic-buck3-dvs-voltage", + pdata->buck3_voltage, dvs_voltage_nr)) { + dev_err(iodev->dev, "buck3 voltages not specified\n"); + return -EINVAL; + } + } + + if (of_get_property(pmic_np, "s5m8767,pmic-buck4-uses-gpio-dvs", NULL)) { pdata->buck4_gpiodvs = true; + if (of_property_read_u32_array(pmic_np, + "s5m8767,pmic-buck4-dvs-voltage", + pdata->buck4_voltage, dvs_voltage_nr)) { + dev_err(iodev->dev, "buck4 voltages not specified\n"); + return -EINVAL; + } + } + if (pdata->buck2_gpiodvs || pdata->buck3_gpiodvs || pdata->buck4_gpiodvs) { ret = s5m8767_pmic_dt_parse_dvs_gpio(iodev, pdata, pmic_np); @@ -612,32 +636,26 @@ static int s5m8767_pmic_dt_parse_pdata(struct platform_device *pdev, "invalid value for default dvs index, use 0\n"); } } - dvs_voltage_nr = 8; } ret = s5m8767_pmic_dt_parse_ds_gpio(iodev, pdata, pmic_np); if (ret) return -EINVAL; - if (of_property_read_u32_array(pmic_np, - "s5m8767,pmic-buck2-dvs-voltage", - pdata->buck2_voltage, dvs_voltage_nr)) { - dev_err(iodev->dev, "buck2 voltages not specified\n"); - return -EINVAL; - } + if (of_get_property(pmic_np, "s5m8767,pmic-buck2-ramp-enable", NULL)) + pdata->buck2_ramp_enable = true; - if (of_property_read_u32_array(pmic_np, - "s5m8767,pmic-buck3-dvs-voltage", - pdata->buck3_voltage, dvs_voltage_nr)) { - dev_err(iodev->dev, "buck3 voltages not specified\n"); - return -EINVAL; - } + if (of_get_property(pmic_np, "s5m8767,pmic-buck3-ramp-enable", NULL)) + pdata->buck3_ramp_enable = true; - if (of_property_read_u32_array(pmic_np, - "s5m8767,pmic-buck4-dvs-voltage", - pdata->buck4_voltage, dvs_voltage_nr)) { - dev_err(iodev->dev, "buck4 voltages not specified\n"); - return -EINVAL; + if (of_get_property(pmic_np, "s5m8767,pmic-buck4-ramp-enable", NULL)) + pdata->buck4_ramp_enable = true; + + if (pdata->buck2_ramp_enable || pdata->buck3_ramp_enable + || pdata->buck4_ramp_enable) { + if (of_property_read_u32(pmic_np, "s5m8767,pmic-buck-ramp-delay", + &pdata->buck_ramp_delay)) + pdata->buck_ramp_delay = 0; } return 0; @@ -910,34 +928,17 @@ static int s5m8767_pmic_probe(struct platform_device *pdev) config.regmap = iodev->regmap; config.of_node = pdata->regulators[i].reg_node; - rdev[i] = regulator_register(®ulators[id], &config); + rdev[i] = devm_regulator_register(&pdev->dev, ®ulators[id], + &config); if (IS_ERR(rdev[i])) { ret = PTR_ERR(rdev[i]); dev_err(s5m8767->dev, "regulator init failed for %d\n", id); - rdev[i] = NULL; - goto err; + return ret; } } return 0; -err: - for (i = 0; i < s5m8767->num_regulators; i++) - regulator_unregister(rdev[i]); - - return ret; -} - -static int s5m8767_pmic_remove(struct platform_device *pdev) -{ - struct s5m8767_info *s5m8767 = platform_get_drvdata(pdev); - struct regulator_dev **rdev = s5m8767->rdev; - int i; - - for (i = 0; i < s5m8767->num_regulators; i++) - regulator_unregister(rdev[i]); - - return 0; } static const struct platform_device_id s5m8767_pmic_id[] = { @@ -952,7 +953,6 @@ static struct platform_driver s5m8767_pmic_driver = { .owner = THIS_MODULE, }, .probe = s5m8767_pmic_probe, - .remove = s5m8767_pmic_remove, .id_table = s5m8767_pmic_id, }; diff --git a/drivers/regulator/stw481x-vmmc.c b/drivers/regulator/stw481x-vmmc.c new file mode 100644 index 000000000000..f78857bd6a15 --- /dev/null +++ b/drivers/regulator/stw481x-vmmc.c @@ -0,0 +1,111 @@ +/* + * Regulator driver for STw4810/STw4811 VMMC regulator. + * + * Copyright (C) 2013 ST-Ericsson SA + * Written on behalf of Linaro for ST-Ericsson + * + * Author: Linus Walleij <linus.walleij@linaro.org> + * + * License terms: GNU General Public License (GPL) version 2 + */ + +#include <linux/err.h> +#include <linux/init.h> +#include <linux/mfd/stw481x.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/regulator/driver.h> +#include <linux/regulator/of_regulator.h> + +static const unsigned int stw481x_vmmc_voltages[] = { + 1800000, + 1800000, + 2850000, + 3000000, + 1850000, + 2600000, + 2700000, + 3300000, +}; + +static struct regulator_ops stw481x_vmmc_ops = { + .list_voltage = regulator_list_voltage_table, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, +}; + +static struct regulator_desc vmmc_regulator = { + .name = "VMMC", + .id = 0, + .ops = &stw481x_vmmc_ops, + .type = REGULATOR_VOLTAGE, + .owner = THIS_MODULE, + .n_voltages = ARRAY_SIZE(stw481x_vmmc_voltages), + .volt_table = stw481x_vmmc_voltages, + .enable_time = 200, /* FIXME: look this up */ + .enable_reg = STW_CONF1, + .enable_mask = STW_CONF1_PDN_VMMC, + .vsel_reg = STW_CONF1, + .vsel_mask = STW_CONF1_VMMC_MASK, +}; + +static int stw481x_vmmc_regulator_probe(struct platform_device *pdev) +{ + struct stw481x *stw481x = dev_get_platdata(&pdev->dev); + struct regulator_config config = { }; + int ret; + + /* First disable the external VMMC if it's active */ + ret = regmap_update_bits(stw481x->map, STW_CONF2, + STW_CONF2_VMMC_EXT, 0); + if (ret) { + dev_err(&pdev->dev, "could not disable external VMMC\n"); + return ret; + } + + /* Register VMMC regulator */ + config.dev = &pdev->dev; + config.driver_data = stw481x; + config.regmap = stw481x->map; + config.of_node = pdev->dev.of_node; + config.init_data = of_get_regulator_init_data(&pdev->dev, + pdev->dev.of_node); + + stw481x->vmmc_regulator = regulator_register(&vmmc_regulator, &config); + if (IS_ERR(stw481x->vmmc_regulator)) { + dev_err(&pdev->dev, + "error initializing STw481x VMMC regulator\n"); + return PTR_ERR(stw481x->vmmc_regulator); + } + + dev_info(&pdev->dev, "initialized STw481x VMMC regulator\n"); + return 0; +} + +static int stw481x_vmmc_regulator_remove(struct platform_device *pdev) +{ + struct stw481x *stw481x = dev_get_platdata(&pdev->dev); + + regulator_unregister(stw481x->vmmc_regulator); + return 0; +} + +static const struct of_device_id stw481x_vmmc_match[] = { + { .compatible = "st,stw481x-vmmc", }, + {}, +}; + +static struct platform_driver stw481x_vmmc_regulator_driver = { + .driver = { + .name = "stw481x-vmmc-regulator", + .owner = THIS_MODULE, + .of_match_table = stw481x_vmmc_match, + }, + .probe = stw481x_vmmc_regulator_probe, + .remove = stw481x_vmmc_regulator_remove, +}; + +module_platform_driver(stw481x_vmmc_regulator_driver); diff --git a/drivers/regulator/ti-abb-regulator.c b/drivers/regulator/ti-abb-regulator.c index 20c271d49dcb..b187b6bba7ad 100644 --- a/drivers/regulator/ti-abb-regulator.c +++ b/drivers/regulator/ti-abb-regulator.c @@ -615,7 +615,7 @@ static int ti_abb_init_table(struct device *dev, struct ti_abb *abb, pname, *volt_table, vset_mask); continue; } - info->vset = efuse_val & vset_mask >> __ffs(vset_mask); + info->vset = (efuse_val & vset_mask) >> __ffs(vset_mask); dev_dbg(dev, "[%d]v=%d vset=%x\n", i, *volt_table, info->vset); check_abb: switch (info->opp_sel) { @@ -708,39 +708,31 @@ static int ti_abb_probe(struct platform_device *pdev) match = of_match_device(ti_abb_of_match, dev); if (!match) { /* We do not expect this to happen */ - ret = -ENODEV; dev_err(dev, "%s: Unable to match device\n", __func__); - goto err; + return -ENODEV; } if (!match->data) { - ret = -EINVAL; dev_err(dev, "%s: Bad data in match\n", __func__); - goto err; + return -EINVAL; } abb = devm_kzalloc(dev, sizeof(struct ti_abb), GFP_KERNEL); - if (!abb) { - dev_err(dev, "%s: Unable to allocate ABB struct\n", __func__); - ret = -ENOMEM; - goto err; - } + if (!abb) + return -ENOMEM; abb->regs = match->data; /* Map ABB resources */ pname = "base-address"; res = platform_get_resource_byname(pdev, IORESOURCE_MEM, pname); abb->base = devm_ioremap_resource(dev, res); - if (IS_ERR(abb->base)) { - ret = PTR_ERR(abb->base); - goto err; - } + if (IS_ERR(abb->base)) + return PTR_ERR(abb->base); pname = "int-address"; res = platform_get_resource_byname(pdev, IORESOURCE_MEM, pname); if (!res) { dev_err(dev, "Missing '%s' IO resource\n", pname); - ret = -ENODEV; - goto err; + return -ENODEV; } /* * We may have shared interrupt register offsets which are @@ -750,8 +742,7 @@ static int ti_abb_probe(struct platform_device *pdev) resource_size(res)); if (!abb->int_base) { dev_err(dev, "Unable to map '%s'\n", pname); - ret = -ENOMEM; - goto err; + return -ENOMEM; } /* Map Optional resources */ @@ -771,17 +762,19 @@ static int ti_abb_probe(struct platform_device *pdev) resource_size(res)); if (!abb->efuse_base) { dev_err(dev, "Unable to map '%s'\n", pname); - ret = -ENOMEM; - goto err; + return -ENOMEM; } pname = "ldo-address"; res = platform_get_resource_byname(pdev, IORESOURCE_MEM, pname); - abb->ldo_base = devm_ioremap_resource(dev, res); - if (IS_ERR(abb->ldo_base)) { - ret = PTR_ERR(abb->ldo_base); - goto err; + if (!res) { + dev_dbg(dev, "Missing '%s' IO resource\n", pname); + ret = -ENODEV; + goto skip_opt; } + abb->ldo_base = devm_ioremap_resource(dev, res); + if (IS_ERR(abb->ldo_base)) + return PTR_ERR(abb->ldo_base); /* IF ldo_base is set, the following are mandatory */ pname = "ti,ldovbb-override-mask"; @@ -790,12 +783,11 @@ static int ti_abb_probe(struct platform_device *pdev) &abb->ldovbb_override_mask); if (ret) { dev_err(dev, "Missing '%s' (%d)\n", pname, ret); - goto err; + return ret; } if (!abb->ldovbb_override_mask) { dev_err(dev, "Invalid property:'%s' set as 0!\n", pname); - ret = -EINVAL; - goto err; + return -EINVAL; } pname = "ti,ldovbb-vset-mask"; @@ -804,12 +796,11 @@ static int ti_abb_probe(struct platform_device *pdev) &abb->ldovbb_vset_mask); if (ret) { dev_err(dev, "Missing '%s' (%d)\n", pname, ret); - goto err; + return ret; } if (!abb->ldovbb_vset_mask) { dev_err(dev, "Invalid property:'%s' set as 0!\n", pname); - ret = -EINVAL; - goto err; + return -EINVAL; } skip_opt: @@ -819,31 +810,29 @@ skip_opt: &abb->txdone_mask); if (ret) { dev_err(dev, "Missing '%s' (%d)\n", pname, ret); - goto err; + return ret; } if (!abb->txdone_mask) { dev_err(dev, "Invalid property:'%s' set as 0!\n", pname); - ret = -EINVAL; - goto err; + return -EINVAL; } initdata = of_get_regulator_init_data(dev, pdev->dev.of_node); if (!initdata) { - ret = -ENOMEM; dev_err(dev, "%s: Unable to alloc regulator init data\n", __func__); - goto err; + return -ENOMEM; } /* init ABB opp_sel table */ ret = ti_abb_init_table(dev, abb, initdata); if (ret) - goto err; + return ret; /* init ABB timing */ ret = ti_abb_init_timings(dev, abb); if (ret) - goto err; + return ret; desc = &abb->rdesc; desc->name = dev_name(dev); @@ -861,12 +850,12 @@ skip_opt: config.driver_data = abb; config.of_node = pdev->dev.of_node; - rdev = regulator_register(desc, &config); + rdev = devm_regulator_register(dev, desc, &config); if (IS_ERR(rdev)) { ret = PTR_ERR(rdev); dev_err(dev, "%s: failed to register regulator(%d)\n", __func__, ret); - goto err; + return ret; } platform_set_drvdata(pdev, rdev); @@ -874,31 +863,12 @@ skip_opt: ti_abb_rmw(abb->regs->sr2_en_mask, 1, abb->regs->setup_reg, abb->base); return 0; - -err: - dev_err(dev, "%s: Failed to initialize(%d)\n", __func__, ret); - return ret; -} - -/** - * ti_abb_remove() - cleanups - * @pdev: ABB platform device - * - * Return: 0 - */ -static int ti_abb_remove(struct platform_device *pdev) -{ - struct regulator_dev *rdev = platform_get_drvdata(pdev); - - regulator_unregister(rdev); - return 0; } MODULE_ALIAS("platform:ti_abb"); static struct platform_driver ti_abb_driver = { .probe = ti_abb_probe, - .remove = ti_abb_remove, .driver = { .name = "ti_abb", .owner = THIS_MODULE, diff --git a/drivers/regulator/tps51632-regulator.c b/drivers/regulator/tps51632-regulator.c index 9392a7ca3d2d..b0a3f0917a27 100644 --- a/drivers/regulator/tps51632-regulator.c +++ b/drivers/regulator/tps51632-regulator.c @@ -343,7 +343,7 @@ static int tps51632_probe(struct i2c_client *client, config.regmap = tps->regmap; config.of_node = client->dev.of_node; - rdev = regulator_register(&tps->desc, &config); + rdev = devm_regulator_register(&client->dev, &tps->desc, &config); if (IS_ERR(rdev)) { dev_err(tps->dev, "regulator register failed\n"); return PTR_ERR(rdev); @@ -353,14 +353,6 @@ static int tps51632_probe(struct i2c_client *client, return 0; } -static int tps51632_remove(struct i2c_client *client) -{ - struct tps51632_chip *tps = i2c_get_clientdata(client); - - regulator_unregister(tps->rdev); - return 0; -} - static const struct i2c_device_id tps51632_id[] = { {.name = "tps51632",}, {}, @@ -375,7 +367,6 @@ static struct i2c_driver tps51632_i2c_driver = { .of_match_table = of_match_ptr(tps51632_of_match), }, .probe = tps51632_probe, - .remove = tps51632_remove, .id_table = tps51632_id, }; diff --git a/drivers/regulator/tps6105x-regulator.c b/drivers/regulator/tps6105x-regulator.c index ec9453ffb77f..c1e33a3d397b 100644 --- a/drivers/regulator/tps6105x-regulator.c +++ b/drivers/regulator/tps6105x-regulator.c @@ -137,7 +137,7 @@ static int tps6105x_regulator_probe(struct platform_device *pdev) /* This instance is not set for regulator mode so bail out */ if (pdata->mode != TPS6105X_MODE_VOLTAGE) { dev_info(&pdev->dev, - "chip not in voltage mode mode, exit probe \n"); + "chip not in voltage mode mode, exit probe\n"); return 0; } @@ -146,8 +146,9 @@ static int tps6105x_regulator_probe(struct platform_device *pdev) config.driver_data = tps6105x; /* Register regulator with framework */ - tps6105x->regulator = regulator_register(&tps6105x_regulator_desc, - &config); + tps6105x->regulator = devm_regulator_register(&pdev->dev, + &tps6105x_regulator_desc, + &config); if (IS_ERR(tps6105x->regulator)) { ret = PTR_ERR(tps6105x->regulator); dev_err(&tps6105x->client->dev, @@ -159,20 +160,12 @@ static int tps6105x_regulator_probe(struct platform_device *pdev) return 0; } -static int tps6105x_regulator_remove(struct platform_device *pdev) -{ - struct tps6105x *tps6105x = dev_get_platdata(&pdev->dev); - regulator_unregister(tps6105x->regulator); - return 0; -} - static struct platform_driver tps6105x_regulator_driver = { .driver = { .name = "tps6105x-regulator", .owner = THIS_MODULE, }, .probe = tps6105x_regulator_probe, - .remove = tps6105x_regulator_remove, }; static __init int tps6105x_regulator_init(void) diff --git a/drivers/regulator/tps62360-regulator.c b/drivers/regulator/tps62360-regulator.c index 0b7ebb1ebf85..c2c0185a2dcd 100644 --- a/drivers/regulator/tps62360-regulator.c +++ b/drivers/regulator/tps62360-regulator.c @@ -476,7 +476,7 @@ static int tps62360_probe(struct i2c_client *client, config.of_node = client->dev.of_node; /* Register the regulators */ - rdev = regulator_register(&tps->desc, &config); + rdev = devm_regulator_register(&client->dev, &tps->desc, &config); if (IS_ERR(rdev)) { dev_err(tps->dev, "%s(): regulator register failed with err %s\n", @@ -488,20 +488,6 @@ static int tps62360_probe(struct i2c_client *client, return 0; } -/** - * tps62360_remove - tps62360 driver i2c remove handler - * @client: i2c driver client device structure - * - * Unregister TPS driver as an i2c client device driver - */ -static int tps62360_remove(struct i2c_client *client) -{ - struct tps62360_chip *tps = i2c_get_clientdata(client); - - regulator_unregister(tps->rdev); - return 0; -} - static void tps62360_shutdown(struct i2c_client *client) { struct tps62360_chip *tps = i2c_get_clientdata(client); @@ -535,7 +521,6 @@ static struct i2c_driver tps62360_i2c_driver = { .of_match_table = of_match_ptr(tps62360_of_match), }, .probe = tps62360_probe, - .remove = tps62360_remove, .shutdown = tps62360_shutdown, .id_table = tps62360_id, }; diff --git a/drivers/regulator/tps65023-regulator.c b/drivers/regulator/tps65023-regulator.c index a15263d4bdff..3ef67a86115c 100644 --- a/drivers/regulator/tps65023-regulator.c +++ b/drivers/regulator/tps65023-regulator.c @@ -277,12 +277,12 @@ static int tps_65023_probe(struct i2c_client *client, config.regmap = tps->regmap; /* Register the regulators */ - rdev = regulator_register(&tps->desc[i], &config); + rdev = devm_regulator_register(&client->dev, &tps->desc[i], + &config); if (IS_ERR(rdev)) { dev_err(&client->dev, "failed to register %s\n", id->name); - error = PTR_ERR(rdev); - goto fail; + return PTR_ERR(rdev); } /* Save regulator for cleanup */ @@ -293,24 +293,10 @@ static int tps_65023_probe(struct i2c_client *client, /* Enable setting output voltage by I2C */ regmap_update_bits(tps->regmap, TPS65023_REG_CON_CTRL2, - TPS65023_REG_CTRL2_CORE_ADJ, TPS65023_REG_CTRL2_CORE_ADJ); + TPS65023_REG_CTRL2_CORE_ADJ, + TPS65023_REG_CTRL2_CORE_ADJ); return 0; - - fail: - while (--i >= 0) - regulator_unregister(tps->rdev[i]); - return error; -} - -static int tps_65023_remove(struct i2c_client *client) -{ - struct tps_pmic *tps = i2c_get_clientdata(client); - int i; - - for (i = 0; i < TPS65023_NUM_REGULATOR; i++) - regulator_unregister(tps->rdev[i]); - return 0; } static const struct tps_info tps65020_regs[] = { @@ -430,7 +416,6 @@ static struct i2c_driver tps_65023_i2c_driver = { .owner = THIS_MODULE, }, .probe = tps_65023_probe, - .remove = tps_65023_remove, .id_table = tps_65023_id, }; diff --git a/drivers/regulator/tps6507x-regulator.c b/drivers/regulator/tps6507x-regulator.c index 4117ff52dba1..162a0fae20b3 100644 --- a/drivers/regulator/tps6507x-regulator.c +++ b/drivers/regulator/tps6507x-regulator.c @@ -508,13 +508,13 @@ static int tps6507x_pmic_probe(struct platform_device *pdev) config.of_node = tps6507x_reg_matches[i].of_node; } - rdev = regulator_register(&tps->desc[i], &config); + rdev = devm_regulator_register(&pdev->dev, &tps->desc[i], + &config); if (IS_ERR(rdev)) { dev_err(tps6507x_dev->dev, "failed to register %s regulator\n", pdev->name); - error = PTR_ERR(rdev); - goto fail; + return PTR_ERR(rdev); } /* Save regulator for cleanup */ @@ -525,22 +525,6 @@ static int tps6507x_pmic_probe(struct platform_device *pdev) platform_set_drvdata(pdev, tps6507x_dev); return 0; - -fail: - while (--i >= 0) - regulator_unregister(tps->rdev[i]); - return error; -} - -static int tps6507x_pmic_remove(struct platform_device *pdev) -{ - struct tps6507x_dev *tps6507x_dev = platform_get_drvdata(pdev); - struct tps6507x_pmic *tps = tps6507x_dev->pmic; - int i; - - for (i = 0; i < TPS6507X_NUM_REGULATOR; i++) - regulator_unregister(tps->rdev[i]); - return 0; } static struct platform_driver tps6507x_pmic_driver = { @@ -549,7 +533,6 @@ static struct platform_driver tps6507x_pmic_driver = { .owner = THIS_MODULE, }, .probe = tps6507x_pmic_probe, - .remove = tps6507x_pmic_remove, }; static int __init tps6507x_pmic_init(void) diff --git a/drivers/regulator/tps65090-regulator.c b/drivers/regulator/tps65090-regulator.c index c8e70451df38..676f75548f00 100644 --- a/drivers/regulator/tps65090-regulator.c +++ b/drivers/regulator/tps65090-regulator.c @@ -180,7 +180,7 @@ static struct tps65090_platform_data *tps65090_parse_dt_reg_data( return ERR_PTR(-ENOMEM); } - regulators = of_find_node_by_name(np, "regulators"); + regulators = of_get_child_by_name(np, "regulators"); if (!regulators) { dev_err(&pdev->dev, "regulator node not found\n"); return ERR_PTR(-ENODEV); @@ -279,7 +279,7 @@ static int tps65090_regulator_probe(struct platform_device *pdev) if (ret < 0) { dev_err(&pdev->dev, "failed disable ext control\n"); - goto scrub; + return ret; } } } @@ -296,12 +296,11 @@ static int tps65090_regulator_probe(struct platform_device *pdev) else config.of_node = NULL; - rdev = regulator_register(ri->desc, &config); + rdev = devm_regulator_register(&pdev->dev, ri->desc, &config); if (IS_ERR(rdev)) { dev_err(&pdev->dev, "failed to register regulator %s\n", ri->desc->name); - ret = PTR_ERR(rdev); - goto scrub; + return PTR_ERR(rdev); } ri->rdev = rdev; @@ -309,36 +308,13 @@ static int tps65090_regulator_probe(struct platform_device *pdev) if (tps_pdata && is_dcdc(num) && tps_pdata->reg_init_data && tps_pdata->enable_ext_control) { ret = tps65090_config_ext_control(ri, true); - if (ret < 0) { - /* Increment num to get unregister rdev */ - num++; - goto scrub; - } + if (ret < 0) + return ret; } } platform_set_drvdata(pdev, pmic); return 0; - -scrub: - while (--num >= 0) { - ri = &pmic[num]; - regulator_unregister(ri->rdev); - } - return ret; -} - -static int tps65090_regulator_remove(struct platform_device *pdev) -{ - struct tps65090_regulator *pmic = platform_get_drvdata(pdev); - struct tps65090_regulator *ri; - int num; - - for (num = 0; num < TPS65090_REGULATOR_MAX; ++num) { - ri = &pmic[num]; - regulator_unregister(ri->rdev); - } - return 0; } static struct platform_driver tps65090_regulator_driver = { @@ -347,7 +323,6 @@ static struct platform_driver tps65090_regulator_driver = { .owner = THIS_MODULE, }, .probe = tps65090_regulator_probe, - .remove = tps65090_regulator_remove, }; static int __init tps65090_regulator_init(void) diff --git a/drivers/regulator/tps65217-regulator.c b/drivers/regulator/tps65217-regulator.c index 90861d68a0b0..9ea1bf26bd13 100644 --- a/drivers/regulator/tps65217-regulator.c +++ b/drivers/regulator/tps65217-regulator.c @@ -52,25 +52,17 @@ static const unsigned int LDO1_VSEL_table[] = { }; static const struct regulator_linear_range tps65217_uv1_ranges[] = { - { .min_uV = 900000, .max_uV = 1500000, .min_sel = 0, .max_sel = 24, - .uV_step = 25000 }, - { .min_uV = 1550000, .max_uV = 1800000, .min_sel = 25, .max_sel = 30, - .uV_step = 50000 }, - { .min_uV = 1850000, .max_uV = 2900000, .min_sel = 31, .max_sel = 52, - .uV_step = 50000 }, - { .min_uV = 3000000, .max_uV = 3200000, .min_sel = 53, .max_sel = 55, - .uV_step = 100000 }, - { .min_uV = 3300000, .max_uV = 3300000, .min_sel = 56, .max_sel = 62, - .uV_step = 0 }, + REGULATOR_LINEAR_RANGE(900000, 0, 24, 25000), + REGULATOR_LINEAR_RANGE(1550000, 25, 30, 50000), + REGULATOR_LINEAR_RANGE(1850000, 31, 52, 50000), + REGULATOR_LINEAR_RANGE(3000000, 53, 55, 100000), + REGULATOR_LINEAR_RANGE(3300000, 56, 62, 0), }; static const struct regulator_linear_range tps65217_uv2_ranges[] = { - { .min_uV = 1500000, .max_uV = 1900000, .min_sel = 0, .max_sel = 8, - .uV_step = 50000 }, - { .min_uV = 2000000, .max_uV = 2400000, .min_sel = 9, .max_sel = 13, - .uV_step = 100000 }, - { .min_uV = 2450000, .max_uV = 3300000, .min_sel = 14, .max_sel = 31, - .uV_step = 50000 }, + REGULATOR_LINEAR_RANGE(1500000, 0, 8, 50000), + REGULATOR_LINEAR_RANGE(2000000, 9, 13, 100000), + REGULATOR_LINEAR_RANGE(2450000, 14, 31, 50000), }; static int tps65217_pmic_enable(struct regulator_dev *dev) @@ -233,7 +225,7 @@ static int tps65217_regulator_probe(struct platform_device *pdev) struct regulator_init_data *reg_data; struct regulator_dev *rdev; struct regulator_config config = { }; - int i, ret; + int i; if (tps->dev->of_node) pdata = tps65217_parse_dt(pdev); @@ -269,35 +261,18 @@ static int tps65217_regulator_probe(struct platform_device *pdev) if (tps->dev->of_node) config.of_node = pdata->of_node[i]; - rdev = regulator_register(®ulators[i], &config); + rdev = devm_regulator_register(&pdev->dev, ®ulators[i], + &config); if (IS_ERR(rdev)) { dev_err(tps->dev, "failed to register %s regulator\n", pdev->name); - ret = PTR_ERR(rdev); - goto err_unregister_regulator; + return PTR_ERR(rdev); } /* Save regulator for cleanup */ tps->rdev[i] = rdev; } return 0; - -err_unregister_regulator: - while (--i >= 0) - regulator_unregister(tps->rdev[i]); - - return ret; -} - -static int tps65217_regulator_remove(struct platform_device *pdev) -{ - struct tps65217 *tps = platform_get_drvdata(pdev); - unsigned int i; - - for (i = 0; i < TPS65217_NUM_REGULATOR; i++) - regulator_unregister(tps->rdev[i]); - - return 0; } static struct platform_driver tps65217_regulator_driver = { @@ -305,7 +280,6 @@ static struct platform_driver tps65217_regulator_driver = { .name = "tps65217-pmic", }, .probe = tps65217_regulator_probe, - .remove = tps65217_regulator_remove, }; static int __init tps65217_regulator_init(void) diff --git a/drivers/regulator/tps6524x-regulator.c b/drivers/regulator/tps6524x-regulator.c index 62e8d28beabd..9f6bfda711b7 100644 --- a/drivers/regulator/tps6524x-regulator.c +++ b/drivers/regulator/tps6524x-regulator.c @@ -577,21 +577,6 @@ static struct regulator_ops regulator_ops = { .get_current_limit = get_current_limit, }; -static int pmic_remove(struct spi_device *spi) -{ - struct tps6524x *hw = spi_get_drvdata(spi); - int i; - - if (!hw) - return 0; - for (i = 0; i < N_REGULATORS; i++) { - regulator_unregister(hw->rdev[i]); - hw->rdev[i] = NULL; - } - spi_set_drvdata(spi, NULL); - return 0; -} - static int pmic_probe(struct spi_device *spi) { struct tps6524x *hw; @@ -599,7 +584,7 @@ static int pmic_probe(struct spi_device *spi) const struct supply_info *info = supply_info; struct regulator_init_data *init_data; struct regulator_config config = { }; - int ret = 0, i; + int i; init_data = dev_get_platdata(dev); if (!init_data) { @@ -632,24 +617,17 @@ static int pmic_probe(struct spi_device *spi) config.init_data = init_data; config.driver_data = hw; - hw->rdev[i] = regulator_register(&hw->desc[i], &config); - if (IS_ERR(hw->rdev[i])) { - ret = PTR_ERR(hw->rdev[i]); - hw->rdev[i] = NULL; - goto fail; - } + hw->rdev[i] = devm_regulator_register(dev, &hw->desc[i], + &config); + if (IS_ERR(hw->rdev[i])) + return PTR_ERR(hw->rdev[i]); } return 0; - -fail: - pmic_remove(spi); - return ret; } static struct spi_driver pmic_driver = { .probe = pmic_probe, - .remove = pmic_remove, .driver = { .name = "tps6524x", .owner = THIS_MODULE, diff --git a/drivers/regulator/tps6586x-regulator.c b/drivers/regulator/tps6586x-regulator.c index 2c9155b66f09..e8e3a8afd3e2 100644 --- a/drivers/regulator/tps6586x-regulator.c +++ b/drivers/regulator/tps6586x-regulator.c @@ -298,7 +298,7 @@ static struct tps6586x_platform_data *tps6586x_parse_regulator_dt( struct tps6586x_platform_data *pdata; int err; - regs = of_find_node_by_name(np, "regulators"); + regs = of_get_child_by_name(np, "regulators"); if (!regs) { dev_err(&pdev->dev, "regulator node not found\n"); return NULL; @@ -379,15 +379,14 @@ static int tps6586x_regulator_probe(struct platform_device *pdev) ri = find_regulator_info(id); if (!ri) { dev_err(&pdev->dev, "invalid regulator ID specified\n"); - err = -EINVAL; - goto fail; + return -EINVAL; } err = tps6586x_regulator_preinit(pdev->dev.parent, ri); if (err) { dev_err(&pdev->dev, "regulator %d preinit failed, e %d\n", id, err); - goto fail; + return err; } config.dev = pdev->dev.parent; @@ -397,12 +396,12 @@ static int tps6586x_regulator_probe(struct platform_device *pdev) if (tps6586x_reg_matches) config.of_node = tps6586x_reg_matches[id].of_node; - rdev[id] = regulator_register(&ri->desc, &config); + rdev[id] = devm_regulator_register(&pdev->dev, &ri->desc, + &config); if (IS_ERR(rdev[id])) { dev_err(&pdev->dev, "failed to register regulator %s\n", ri->desc.name); - err = PTR_ERR(rdev[id]); - goto fail; + return PTR_ERR(rdev[id]); } if (reg_data) { @@ -411,30 +410,13 @@ static int tps6586x_regulator_probe(struct platform_device *pdev) if (err < 0) { dev_err(&pdev->dev, "Slew rate config failed, e %d\n", err); - regulator_unregister(rdev[id]); - goto fail; + return err; } } } platform_set_drvdata(pdev, rdev); return 0; - -fail: - while (--id >= 0) - regulator_unregister(rdev[id]); - return err; -} - -static int tps6586x_regulator_remove(struct platform_device *pdev) -{ - struct regulator_dev **rdev = platform_get_drvdata(pdev); - int id = TPS6586X_ID_MAX_REGULATOR; - - while (--id >= 0) - regulator_unregister(rdev[id]); - - return 0; } static struct platform_driver tps6586x_regulator_driver = { @@ -443,7 +425,6 @@ static struct platform_driver tps6586x_regulator_driver = { .owner = THIS_MODULE, }, .probe = tps6586x_regulator_probe, - .remove = tps6586x_regulator_remove, }; static int __init tps6586x_regulator_init(void) diff --git a/drivers/regulator/tps65910-regulator.c b/drivers/regulator/tps65910-regulator.c index 10615d2a32e1..23f8d1ce877d 100644 --- a/drivers/regulator/tps65910-regulator.c +++ b/drivers/regulator/tps65910-regulator.c @@ -1177,35 +1177,19 @@ static int tps65910_probe(struct platform_device *pdev) if (tps65910_reg_matches) config.of_node = tps65910_reg_matches[i].of_node; - rdev = regulator_register(&pmic->desc[i], &config); + rdev = devm_regulator_register(&pdev->dev, &pmic->desc[i], + &config); if (IS_ERR(rdev)) { dev_err(tps65910->dev, "failed to register %s regulator\n", pdev->name); - err = PTR_ERR(rdev); - goto err_unregister_regulator; + return PTR_ERR(rdev); } /* Save regulator for cleanup */ pmic->rdev[i] = rdev; } return 0; - -err_unregister_regulator: - while (--i >= 0) - regulator_unregister(pmic->rdev[i]); - return err; -} - -static int tps65910_remove(struct platform_device *pdev) -{ - struct tps65910_reg *pmic = platform_get_drvdata(pdev); - int i; - - for (i = 0; i < pmic->num_regulators; i++) - regulator_unregister(pmic->rdev[i]); - - return 0; } static void tps65910_shutdown(struct platform_device *pdev) @@ -1244,7 +1228,6 @@ static struct platform_driver tps65910_driver = { .owner = THIS_MODULE, }, .probe = tps65910_probe, - .remove = tps65910_remove, .shutdown = tps65910_shutdown, }; diff --git a/drivers/regulator/tps65912-regulator.c b/drivers/regulator/tps65912-regulator.c index 281e52ac64ba..9cafaa0f9455 100644 --- a/drivers/regulator/tps65912-regulator.c +++ b/drivers/regulator/tps65912-regulator.c @@ -119,12 +119,9 @@ struct tps65912_reg { }; static const struct regulator_linear_range tps65912_ldo_ranges[] = { - { .min_uV = 800000, .max_uV = 1600000, .min_sel = 0, .max_sel = 32, - .uV_step = 25000 }, - { .min_uV = 1650000, .max_uV = 3000000, .min_sel = 33, .max_sel = 60, - .uV_step = 50000 }, - { .min_uV = 3100000, .max_uV = 3300000, .min_sel = 61, .max_sel = 63, - .uV_step = 100000 }, + REGULATOR_LINEAR_RANGE(800000, 0, 32, 25000), + REGULATOR_LINEAR_RANGE(1650000, 33, 60, 50000), + REGULATOR_LINEAR_RANGE(3100000, 61, 63, 100000), }; static int tps65912_get_range(struct tps65912_reg *pmic, int id) @@ -461,7 +458,7 @@ static int tps65912_probe(struct platform_device *pdev) struct regulator_dev *rdev; struct tps65912_reg *pmic; struct tps65912_board *pmic_plat_data; - int i, err; + int i; pmic_plat_data = dev_get_platdata(tps65912->dev); if (!pmic_plat_data) @@ -504,34 +501,19 @@ static int tps65912_probe(struct platform_device *pdev) config.init_data = reg_data; config.driver_data = pmic; - rdev = regulator_register(&pmic->desc[i], &config); + rdev = devm_regulator_register(&pdev->dev, &pmic->desc[i], + &config); if (IS_ERR(rdev)) { dev_err(tps65912->dev, "failed to register %s regulator\n", pdev->name); - err = PTR_ERR(rdev); - goto err; + return PTR_ERR(rdev); } /* Save regulator for cleanup */ pmic->rdev[i] = rdev; } return 0; - -err: - while (--i >= 0) - regulator_unregister(pmic->rdev[i]); - return err; -} - -static int tps65912_remove(struct platform_device *pdev) -{ - struct tps65912_reg *tps65912_reg = platform_get_drvdata(pdev); - int i; - - for (i = 0; i < TPS65912_NUM_REGULATOR; i++) - regulator_unregister(tps65912_reg->rdev[i]); - return 0; } static struct platform_driver tps65912_driver = { @@ -540,7 +522,6 @@ static struct platform_driver tps65912_driver = { .owner = THIS_MODULE, }, .probe = tps65912_probe, - .remove = tps65912_remove, }; static int __init tps65912_init(void) diff --git a/drivers/regulator/tps80031-regulator.c b/drivers/regulator/tps80031-regulator.c index 6511d0bfd896..71f457a42623 100644 --- a/drivers/regulator/tps80031-regulator.c +++ b/drivers/regulator/tps80031-regulator.c @@ -719,7 +719,7 @@ static int tps80031_regulator_probe(struct platform_device *pdev) if (ret < 0) { dev_err(&pdev->dev, "regulator config failed, e %d\n", ret); - goto fail; + return ret; } ret = tps80031_power_req_config(pdev->dev.parent, @@ -727,41 +727,22 @@ static int tps80031_regulator_probe(struct platform_device *pdev) if (ret < 0) { dev_err(&pdev->dev, "pwr_req config failed, err %d\n", ret); - goto fail; + return ret; } } - rdev = regulator_register(&ri->rinfo->desc, &config); + rdev = devm_regulator_register(&pdev->dev, &ri->rinfo->desc, + &config); if (IS_ERR(rdev)) { dev_err(&pdev->dev, "register regulator failed %s\n", ri->rinfo->desc.name); - ret = PTR_ERR(rdev); - goto fail; + return PTR_ERR(rdev); } ri->rdev = rdev; } platform_set_drvdata(pdev, pmic); return 0; -fail: - while (--num >= 0) { - ri = &pmic[num]; - regulator_unregister(ri->rdev); - } - return ret; -} - -static int tps80031_regulator_remove(struct platform_device *pdev) -{ - struct tps80031_regulator *pmic = platform_get_drvdata(pdev); - struct tps80031_regulator *ri = NULL; - int num; - - for (num = 0; num < TPS80031_REGULATOR_MAX; ++num) { - ri = &pmic[num]; - regulator_unregister(ri->rdev); - } - return 0; } static struct platform_driver tps80031_regulator_driver = { @@ -770,7 +751,6 @@ static struct platform_driver tps80031_regulator_driver = { .owner = THIS_MODULE, }, .probe = tps80031_regulator_probe, - .remove = tps80031_regulator_remove, }; static int __init tps80031_regulator_init(void) diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c index 78aae4cbb004..8ebd785485c7 100644 --- a/drivers/regulator/twl-regulator.c +++ b/drivers/regulator/twl-regulator.c @@ -1188,7 +1188,7 @@ static int twlreg_probe(struct platform_device *pdev) config.driver_data = info; config.of_node = pdev->dev.of_node; - rdev = regulator_register(&info->desc, &config); + rdev = devm_regulator_register(&pdev->dev, &info->desc, &config); if (IS_ERR(rdev)) { dev_err(&pdev->dev, "can't register %s, %ld\n", info->desc.name, PTR_ERR(rdev)); @@ -1217,7 +1217,6 @@ static int twlreg_remove(struct platform_device *pdev) struct regulator_dev *rdev = platform_get_drvdata(pdev); struct twlreg_info *info = rdev->reg_data; - regulator_unregister(rdev); kfree(info); return 0; } diff --git a/drivers/regulator/vexpress.c b/drivers/regulator/vexpress.c index 4668c7f8133d..f3ae28a7e663 100644 --- a/drivers/regulator/vexpress.c +++ b/drivers/regulator/vexpress.c @@ -96,7 +96,7 @@ static int vexpress_regulator_probe(struct platform_device *pdev) config.driver_data = reg; config.of_node = pdev->dev.of_node; - reg->regdev = regulator_register(®->desc, &config); + reg->regdev = devm_regulator_register(&pdev->dev, ®->desc, &config); if (IS_ERR(reg->regdev)) { err = PTR_ERR(reg->regdev); goto error_regulator_register; @@ -119,7 +119,6 @@ static int vexpress_regulator_remove(struct platform_device *pdev) struct vexpress_regulator *reg = platform_get_drvdata(pdev); vexpress_config_func_put(reg->func); - regulator_unregister(reg->regdev); return 0; } diff --git a/drivers/regulator/wm831x-dcdc.c b/drivers/regulator/wm831x-dcdc.c index 11861cb861df..6823e6f2b88a 100644 --- a/drivers/regulator/wm831x-dcdc.c +++ b/drivers/regulator/wm831x-dcdc.c @@ -387,8 +387,9 @@ static struct regulator_ops wm831x_buckv_ops = { * Set up DVS control. We just log errors since we can still run * (with reduced performance) if we fail. */ -static void wm831x_buckv_dvs_init(struct wm831x_dcdc *dcdc, - struct wm831x_buckv_pdata *pdata) +static void wm831x_buckv_dvs_init(struct platform_device *pdev, + struct wm831x_dcdc *dcdc, + struct wm831x_buckv_pdata *pdata) { struct wm831x *wm831x = dcdc->wm831x; int ret; @@ -402,9 +403,9 @@ static void wm831x_buckv_dvs_init(struct wm831x_dcdc *dcdc, */ dcdc->dvs_gpio_state = pdata->dvs_init_state; - ret = gpio_request_one(pdata->dvs_gpio, - dcdc->dvs_gpio_state ? GPIOF_INIT_HIGH : 0, - "DCDC DVS"); + ret = devm_gpio_request_one(&pdev->dev, pdata->dvs_gpio, + dcdc->dvs_gpio_state ? GPIOF_INIT_HIGH : 0, + "DCDC DVS"); if (ret < 0) { dev_err(wm831x->dev, "Failed to get %s DVS GPIO: %d\n", dcdc->name, ret); @@ -513,7 +514,8 @@ static int wm831x_buckv_probe(struct platform_device *pdev) dcdc->dvs_vsel = ret & WM831X_DC1_DVS_VSEL_MASK; if (pdata && pdata->dcdc[id]) - wm831x_buckv_dvs_init(dcdc, pdata->dcdc[id]->driver_data); + wm831x_buckv_dvs_init(pdev, dcdc, + pdata->dcdc[id]->driver_data); config.dev = pdev->dev.parent; if (pdata) @@ -521,7 +523,8 @@ static int wm831x_buckv_probe(struct platform_device *pdev) config.driver_data = dcdc; config.regmap = wm831x->regmap; - dcdc->regulator = regulator_register(&dcdc->desc, &config); + dcdc->regulator = devm_regulator_register(&pdev->dev, &dcdc->desc, + &config); if (IS_ERR(dcdc->regulator)) { ret = PTR_ERR(dcdc->regulator); dev_err(wm831x->dev, "Failed to register DCDC%d: %d\n", @@ -530,57 +533,35 @@ static int wm831x_buckv_probe(struct platform_device *pdev) } irq = wm831x_irq(wm831x, platform_get_irq_byname(pdev, "UV")); - ret = request_threaded_irq(irq, NULL, wm831x_dcdc_uv_irq, - IRQF_TRIGGER_RISING, dcdc->name, dcdc); + ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, + wm831x_dcdc_uv_irq, + IRQF_TRIGGER_RISING, dcdc->name, dcdc); if (ret != 0) { dev_err(&pdev->dev, "Failed to request UV IRQ %d: %d\n", irq, ret); - goto err_regulator; + goto err; } irq = wm831x_irq(wm831x, platform_get_irq_byname(pdev, "HC")); - ret = request_threaded_irq(irq, NULL, wm831x_dcdc_oc_irq, - IRQF_TRIGGER_RISING, dcdc->name, dcdc); + ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, + wm831x_dcdc_oc_irq, + IRQF_TRIGGER_RISING, dcdc->name, dcdc); if (ret != 0) { dev_err(&pdev->dev, "Failed to request HC IRQ %d: %d\n", irq, ret); - goto err_uv; + goto err; } platform_set_drvdata(pdev, dcdc); return 0; -err_uv: - free_irq(wm831x_irq(wm831x, platform_get_irq_byname(pdev, "UV")), - dcdc); -err_regulator: - regulator_unregister(dcdc->regulator); err: - if (dcdc->dvs_gpio) - gpio_free(dcdc->dvs_gpio); return ret; } -static int wm831x_buckv_remove(struct platform_device *pdev) -{ - struct wm831x_dcdc *dcdc = platform_get_drvdata(pdev); - struct wm831x *wm831x = dcdc->wm831x; - - free_irq(wm831x_irq(wm831x, platform_get_irq_byname(pdev, "HC")), - dcdc); - free_irq(wm831x_irq(wm831x, platform_get_irq_byname(pdev, "UV")), - dcdc); - regulator_unregister(dcdc->regulator); - if (dcdc->dvs_gpio) - gpio_free(dcdc->dvs_gpio); - - return 0; -} - static struct platform_driver wm831x_buckv_driver = { .probe = wm831x_buckv_probe, - .remove = wm831x_buckv_remove, .driver = { .name = "wm831x-buckv", .owner = THIS_MODULE, @@ -681,7 +662,8 @@ static int wm831x_buckp_probe(struct platform_device *pdev) config.driver_data = dcdc; config.regmap = wm831x->regmap; - dcdc->regulator = regulator_register(&dcdc->desc, &config); + dcdc->regulator = devm_regulator_register(&pdev->dev, &dcdc->desc, + &config); if (IS_ERR(dcdc->regulator)) { ret = PTR_ERR(dcdc->regulator); dev_err(wm831x->dev, "Failed to register DCDC%d: %d\n", @@ -690,38 +672,25 @@ static int wm831x_buckp_probe(struct platform_device *pdev) } irq = wm831x_irq(wm831x, platform_get_irq_byname(pdev, "UV")); - ret = request_threaded_irq(irq, NULL, wm831x_dcdc_uv_irq, - IRQF_TRIGGER_RISING, dcdc->name, dcdc); + ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, + wm831x_dcdc_uv_irq, + IRQF_TRIGGER_RISING, dcdc->name, dcdc); if (ret != 0) { dev_err(&pdev->dev, "Failed to request UV IRQ %d: %d\n", irq, ret); - goto err_regulator; + goto err; } platform_set_drvdata(pdev, dcdc); return 0; -err_regulator: - regulator_unregister(dcdc->regulator); err: return ret; } -static int wm831x_buckp_remove(struct platform_device *pdev) -{ - struct wm831x_dcdc *dcdc = platform_get_drvdata(pdev); - - free_irq(wm831x_irq(dcdc->wm831x, platform_get_irq_byname(pdev, "UV")), - dcdc); - regulator_unregister(dcdc->regulator); - - return 0; -} - static struct platform_driver wm831x_buckp_driver = { .probe = wm831x_buckp_probe, - .remove = wm831x_buckp_remove, .driver = { .name = "wm831x-buckp", .owner = THIS_MODULE, @@ -813,7 +782,8 @@ static int wm831x_boostp_probe(struct platform_device *pdev) config.driver_data = dcdc; config.regmap = wm831x->regmap; - dcdc->regulator = regulator_register(&dcdc->desc, &config); + dcdc->regulator = devm_regulator_register(&pdev->dev, &dcdc->desc, + &config); if (IS_ERR(dcdc->regulator)) { ret = PTR_ERR(dcdc->regulator); dev_err(wm831x->dev, "Failed to register DCDC%d: %d\n", @@ -822,39 +792,26 @@ static int wm831x_boostp_probe(struct platform_device *pdev) } irq = wm831x_irq(wm831x, platform_get_irq_byname(pdev, "UV")); - ret = request_threaded_irq(irq, NULL, wm831x_dcdc_uv_irq, - IRQF_TRIGGER_RISING, dcdc->name, - dcdc); + ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, + wm831x_dcdc_uv_irq, + IRQF_TRIGGER_RISING, dcdc->name, + dcdc); if (ret != 0) { dev_err(&pdev->dev, "Failed to request UV IRQ %d: %d\n", irq, ret); - goto err_regulator; + goto err; } platform_set_drvdata(pdev, dcdc); return 0; -err_regulator: - regulator_unregister(dcdc->regulator); err: return ret; } -static int wm831x_boostp_remove(struct platform_device *pdev) -{ - struct wm831x_dcdc *dcdc = platform_get_drvdata(pdev); - - free_irq(wm831x_irq(dcdc->wm831x, platform_get_irq_byname(pdev, "UV")), - dcdc); - regulator_unregister(dcdc->regulator); - - return 0; -} - static struct platform_driver wm831x_boostp_driver = { .probe = wm831x_boostp_probe, - .remove = wm831x_boostp_remove, .driver = { .name = "wm831x-boostp", .owner = THIS_MODULE, @@ -914,7 +871,8 @@ static int wm831x_epe_probe(struct platform_device *pdev) config.driver_data = dcdc; config.regmap = wm831x->regmap; - dcdc->regulator = regulator_register(&dcdc->desc, &config); + dcdc->regulator = devm_regulator_register(&pdev->dev, &dcdc->desc, + &config); if (IS_ERR(dcdc->regulator)) { ret = PTR_ERR(dcdc->regulator); dev_err(wm831x->dev, "Failed to register EPE%d: %d\n", @@ -930,18 +888,8 @@ err: return ret; } -static int wm831x_epe_remove(struct platform_device *pdev) -{ - struct wm831x_dcdc *dcdc = platform_get_drvdata(pdev); - - regulator_unregister(dcdc->regulator); - - return 0; -} - static struct platform_driver wm831x_epe_driver = { .probe = wm831x_epe_probe, - .remove = wm831x_epe_remove, .driver = { .name = "wm831x-epe", .owner = THIS_MODULE, diff --git a/drivers/regulator/wm831x-isink.c b/drivers/regulator/wm831x-isink.c index 4eb373de1fac..0339b886df5d 100644 --- a/drivers/regulator/wm831x-isink.c +++ b/drivers/regulator/wm831x-isink.c @@ -194,7 +194,8 @@ static int wm831x_isink_probe(struct platform_device *pdev) config.init_data = pdata->isink[id]; config.driver_data = isink; - isink->regulator = regulator_register(&isink->desc, &config); + isink->regulator = devm_regulator_register(&pdev->dev, &isink->desc, + &config); if (IS_ERR(isink->regulator)) { ret = PTR_ERR(isink->regulator); dev_err(wm831x->dev, "Failed to register ISINK%d: %d\n", @@ -203,38 +204,26 @@ static int wm831x_isink_probe(struct platform_device *pdev) } irq = wm831x_irq(wm831x, platform_get_irq(pdev, 0)); - ret = request_threaded_irq(irq, NULL, wm831x_isink_irq, - IRQF_TRIGGER_RISING, isink->name, isink); + ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, + wm831x_isink_irq, + IRQF_TRIGGER_RISING, isink->name, + isink); if (ret != 0) { dev_err(&pdev->dev, "Failed to request ISINK IRQ %d: %d\n", irq, ret); - goto err_regulator; + goto err; } platform_set_drvdata(pdev, isink); return 0; -err_regulator: - regulator_unregister(isink->regulator); err: return ret; } -static int wm831x_isink_remove(struct platform_device *pdev) -{ - struct wm831x_isink *isink = platform_get_drvdata(pdev); - - free_irq(wm831x_irq(isink->wm831x, platform_get_irq(pdev, 0)), isink); - - regulator_unregister(isink->regulator); - - return 0; -} - static struct platform_driver wm831x_isink_driver = { .probe = wm831x_isink_probe, - .remove = wm831x_isink_remove, .driver = { .name = "wm831x-isink", .owner = THIS_MODULE, diff --git a/drivers/regulator/wm831x-ldo.c b/drivers/regulator/wm831x-ldo.c index 2205fbc2c37b..46d6700467b5 100644 --- a/drivers/regulator/wm831x-ldo.c +++ b/drivers/regulator/wm831x-ldo.c @@ -63,10 +63,8 @@ static irqreturn_t wm831x_ldo_uv_irq(int irq, void *data) */ static const struct regulator_linear_range wm831x_gp_ldo_ranges[] = { - { .min_uV = 900000, .max_uV = 1600000, .min_sel = 0, .max_sel = 14, - .uV_step = 50000 }, - { .min_uV = 1700000, .max_uV = 3300000, .min_sel = 15, .max_sel = 31, - .uV_step = 100000 }, + REGULATOR_LINEAR_RANGE(900000, 0, 14, 50000), + REGULATOR_LINEAR_RANGE(1700000, 15, 31, 100000), }; static int wm831x_gp_ldo_set_suspend_voltage(struct regulator_dev *rdev, @@ -279,7 +277,8 @@ static int wm831x_gp_ldo_probe(struct platform_device *pdev) config.driver_data = ldo; config.regmap = wm831x->regmap; - ldo->regulator = regulator_register(&ldo->desc, &config); + ldo->regulator = devm_regulator_register(&pdev->dev, &ldo->desc, + &config); if (IS_ERR(ldo->regulator)) { ret = PTR_ERR(ldo->regulator); dev_err(wm831x->dev, "Failed to register LDO%d: %d\n", @@ -288,39 +287,26 @@ static int wm831x_gp_ldo_probe(struct platform_device *pdev) } irq = wm831x_irq(wm831x, platform_get_irq_byname(pdev, "UV")); - ret = request_threaded_irq(irq, NULL, wm831x_ldo_uv_irq, - IRQF_TRIGGER_RISING, ldo->name, - ldo); + ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, + wm831x_ldo_uv_irq, + IRQF_TRIGGER_RISING, ldo->name, + ldo); if (ret != 0) { dev_err(&pdev->dev, "Failed to request UV IRQ %d: %d\n", irq, ret); - goto err_regulator; + goto err; } platform_set_drvdata(pdev, ldo); return 0; -err_regulator: - regulator_unregister(ldo->regulator); err: return ret; } -static int wm831x_gp_ldo_remove(struct platform_device *pdev) -{ - struct wm831x_ldo *ldo = platform_get_drvdata(pdev); - - free_irq(wm831x_irq(ldo->wm831x, - platform_get_irq_byname(pdev, "UV")), ldo); - regulator_unregister(ldo->regulator); - - return 0; -} - static struct platform_driver wm831x_gp_ldo_driver = { .probe = wm831x_gp_ldo_probe, - .remove = wm831x_gp_ldo_remove, .driver = { .name = "wm831x-ldo", .owner = THIS_MODULE, @@ -332,10 +318,8 @@ static struct platform_driver wm831x_gp_ldo_driver = { */ static const struct regulator_linear_range wm831x_aldo_ranges[] = { - { .min_uV = 1000000, .max_uV = 1600000, .min_sel = 0, .max_sel = 12, - .uV_step = 50000 }, - { .min_uV = 1700000, .max_uV = 3500000, .min_sel = 13, .max_sel = 31, - .uV_step = 100000 }, + REGULATOR_LINEAR_RANGE(1000000, 0, 12, 50000), + REGULATOR_LINEAR_RANGE(1700000, 13, 31, 100000), }; static int wm831x_aldo_set_suspend_voltage(struct regulator_dev *rdev, @@ -505,7 +489,8 @@ static int wm831x_aldo_probe(struct platform_device *pdev) config.driver_data = ldo; config.regmap = wm831x->regmap; - ldo->regulator = regulator_register(&ldo->desc, &config); + ldo->regulator = devm_regulator_register(&pdev->dev, &ldo->desc, + &config); if (IS_ERR(ldo->regulator)) { ret = PTR_ERR(ldo->regulator); dev_err(wm831x->dev, "Failed to register LDO%d: %d\n", @@ -514,38 +499,25 @@ static int wm831x_aldo_probe(struct platform_device *pdev) } irq = wm831x_irq(wm831x, platform_get_irq_byname(pdev, "UV")); - ret = request_threaded_irq(irq, NULL, wm831x_ldo_uv_irq, - IRQF_TRIGGER_RISING, ldo->name, ldo); + ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, + wm831x_ldo_uv_irq, + IRQF_TRIGGER_RISING, ldo->name, ldo); if (ret != 0) { dev_err(&pdev->dev, "Failed to request UV IRQ %d: %d\n", irq, ret); - goto err_regulator; + goto err; } platform_set_drvdata(pdev, ldo); return 0; -err_regulator: - regulator_unregister(ldo->regulator); err: return ret; } -static int wm831x_aldo_remove(struct platform_device *pdev) -{ - struct wm831x_ldo *ldo = platform_get_drvdata(pdev); - - free_irq(wm831x_irq(ldo->wm831x, platform_get_irq_byname(pdev, "UV")), - ldo); - regulator_unregister(ldo->regulator); - - return 0; -} - static struct platform_driver wm831x_aldo_driver = { .probe = wm831x_aldo_probe, - .remove = wm831x_aldo_remove, .driver = { .name = "wm831x-aldo", .owner = THIS_MODULE, @@ -663,7 +635,8 @@ static int wm831x_alive_ldo_probe(struct platform_device *pdev) config.driver_data = ldo; config.regmap = wm831x->regmap; - ldo->regulator = regulator_register(&ldo->desc, &config); + ldo->regulator = devm_regulator_register(&pdev->dev, &ldo->desc, + &config); if (IS_ERR(ldo->regulator)) { ret = PTR_ERR(ldo->regulator); dev_err(wm831x->dev, "Failed to register LDO%d: %d\n", @@ -679,18 +652,8 @@ err: return ret; } -static int wm831x_alive_ldo_remove(struct platform_device *pdev) -{ - struct wm831x_ldo *ldo = platform_get_drvdata(pdev); - - regulator_unregister(ldo->regulator); - - return 0; -} - static struct platform_driver wm831x_alive_ldo_driver = { .probe = wm831x_alive_ldo_probe, - .remove = wm831x_alive_ldo_remove, .driver = { .name = "wm831x-alive-ldo", .owner = THIS_MODULE, diff --git a/drivers/regulator/wm8350-regulator.c b/drivers/regulator/wm8350-regulator.c index 61ca9292a429..de7b9c73e3fa 100644 --- a/drivers/regulator/wm8350-regulator.c +++ b/drivers/regulator/wm8350-regulator.c @@ -543,10 +543,8 @@ static int wm8350_dcdc_set_suspend_mode(struct regulator_dev *rdev, } static const struct regulator_linear_range wm8350_ldo_ranges[] = { - { .min_uV = 900000, .max_uV = 1650000, .min_sel = 0, .max_sel = 15, - .uV_step = 50000 }, - { .min_uV = 1800000, .max_uV = 3300000, .min_sel = 16, .max_sel = 31, - .uV_step = 100000 }, + REGULATOR_LINEAR_RANGE(900000, 0, 15, 50000), + REGULATOR_LINEAR_RANGE(1800000, 16, 31, 100000), }; static int wm8350_ldo_set_suspend_voltage(struct regulator_dev *rdev, int uV) @@ -1206,7 +1204,8 @@ static int wm8350_regulator_probe(struct platform_device *pdev) config.regmap = wm8350->regmap; /* register regulator */ - rdev = regulator_register(&wm8350_reg[pdev->id], &config); + rdev = devm_regulator_register(&pdev->dev, &wm8350_reg[pdev->id], + &config); if (IS_ERR(rdev)) { dev_err(&pdev->dev, "failed to register %s\n", wm8350_reg[pdev->id].name); @@ -1217,7 +1216,6 @@ static int wm8350_regulator_probe(struct platform_device *pdev) ret = wm8350_register_irq(wm8350, wm8350_reg[pdev->id].irq, pmic_uv_handler, 0, "UV", rdev); if (ret < 0) { - regulator_unregister(rdev); dev_err(&pdev->dev, "failed to register regulator %s IRQ\n", wm8350_reg[pdev->id].name); return ret; @@ -1233,8 +1231,6 @@ static int wm8350_regulator_remove(struct platform_device *pdev) wm8350_free_irq(wm8350, wm8350_reg[pdev->id].irq, rdev); - regulator_unregister(rdev); - return 0; } diff --git a/drivers/regulator/wm8400-regulator.c b/drivers/regulator/wm8400-regulator.c index 58f51bec13f2..82d829000851 100644 --- a/drivers/regulator/wm8400-regulator.c +++ b/drivers/regulator/wm8400-regulator.c @@ -20,10 +20,8 @@ #include <linux/mfd/wm8400-private.h> static const struct regulator_linear_range wm8400_ldo_ranges[] = { - { .min_uV = 900000, .max_uV = 1600000, .min_sel = 0, .max_sel = 14, - .uV_step = 50000 }, - { .min_uV = 1700000, .max_uV = 3300000, .min_sel = 15, .max_sel = 31, - .uV_step = 100000 }, + REGULATOR_LINEAR_RANGE(900000, 0, 14, 50000), + REGULATOR_LINEAR_RANGE(1700000, 15, 31, 100000), }; static struct regulator_ops wm8400_ldo_ops = { @@ -219,7 +217,8 @@ static int wm8400_regulator_probe(struct platform_device *pdev) config.driver_data = wm8400; config.regmap = wm8400->regmap; - rdev = regulator_register(®ulators[pdev->id], &config); + rdev = devm_regulator_register(&pdev->dev, ®ulators[pdev->id], + &config); if (IS_ERR(rdev)) return PTR_ERR(rdev); @@ -228,21 +227,11 @@ static int wm8400_regulator_probe(struct platform_device *pdev) return 0; } -static int wm8400_regulator_remove(struct platform_device *pdev) -{ - struct regulator_dev *rdev = platform_get_drvdata(pdev); - - regulator_unregister(rdev); - - return 0; -} - static struct platform_driver wm8400_regulator_driver = { .driver = { .name = "wm8400-regulator", }, .probe = wm8400_regulator_probe, - .remove = wm8400_regulator_remove, }; /** diff --git a/drivers/regulator/wm8994-regulator.c b/drivers/regulator/wm8994-regulator.c index 5ee2a208457c..71c5911f2e71 100644 --- a/drivers/regulator/wm8994-regulator.c +++ b/drivers/regulator/wm8994-regulator.c @@ -165,7 +165,9 @@ static int wm8994_ldo_probe(struct platform_device *pdev) ldo->init_data = *pdata->ldo[id].init_data; } - ldo->regulator = regulator_register(&wm8994_ldo_desc[id], &config); + ldo->regulator = devm_regulator_register(&pdev->dev, + &wm8994_ldo_desc[id], + &config); if (IS_ERR(ldo->regulator)) { ret = PTR_ERR(ldo->regulator); dev_err(wm8994->dev, "Failed to register LDO%d: %d\n", @@ -181,18 +183,8 @@ err: return ret; } -static int wm8994_ldo_remove(struct platform_device *pdev) -{ - struct wm8994_ldo *ldo = platform_get_drvdata(pdev); - - regulator_unregister(ldo->regulator); - - return 0; -} - static struct platform_driver wm8994_ldo_driver = { .probe = wm8994_ldo_probe, - .remove = wm8994_ldo_remove, .driver = { .name = "wm8994-ldo", .owner = THIS_MODULE, diff --git a/drivers/s390/char/sclp_cmd.c b/drivers/s390/char/sclp_cmd.c index 8cd34bf644b3..77df9cb00688 100644 --- a/drivers/s390/char/sclp_cmd.c +++ b/drivers/s390/char/sclp_cmd.c @@ -145,9 +145,11 @@ bool __init sclp_has_linemode(void) if (sccb->header.response_code != 0x20) return 0; - if (sccb->sclp_send_mask & (EVTYP_MSG_MASK | EVTYP_PMSGCMD_MASK)) - return 1; - return 0; + if (!(sccb->sclp_send_mask & (EVTYP_OPCMD_MASK | EVTYP_PMSGCMD_MASK))) + return 0; + if (!(sccb->sclp_receive_mask & (EVTYP_MSG_MASK | EVTYP_PMSGCMD_MASK))) + return 0; + return 1; } bool __init sclp_has_vt220(void) diff --git a/drivers/s390/char/tty3270.c b/drivers/s390/char/tty3270.c index a0f47c83fd62..3f4ca4e09a4c 100644 --- a/drivers/s390/char/tty3270.c +++ b/drivers/s390/char/tty3270.c @@ -810,7 +810,7 @@ static void tty3270_resize_work(struct work_struct *work) struct winsize ws; screen = tty3270_alloc_screen(tp->n_rows, tp->n_cols); - if (!screen) + if (IS_ERR(screen)) return; /* Switch to new output size */ spin_lock_bh(&tp->view.lock); diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c index fd7cc566095a..d4ac60b4a56e 100644 --- a/drivers/spi/spi-atmel.c +++ b/drivers/spi/spi-atmel.c @@ -1583,7 +1583,7 @@ static int atmel_spi_probe(struct platform_device *pdev) /* Initialize the hardware */ ret = clk_prepare_enable(clk); if (ret) - goto out_unmap_regs; + goto out_free_irq; spi_writel(as, CR, SPI_BIT(SWRST)); spi_writel(as, CR, SPI_BIT(SWRST)); /* AT91SAM9263 Rev B workaround */ if (as->caps.has_wdrbt) { @@ -1614,6 +1614,7 @@ out_free_dma: spi_writel(as, CR, SPI_BIT(SWRST)); spi_writel(as, CR, SPI_BIT(SWRST)); /* AT91SAM9263 Rev B workaround */ clk_disable_unprepare(clk); +out_free_irq: free_irq(irq, master); out_unmap_regs: iounmap(as->regs); diff --git a/drivers/spi/spi-clps711x.c b/drivers/spi/spi-clps711x.c index 5655acf55bfe..6416798828e7 100644 --- a/drivers/spi/spi-clps711x.c +++ b/drivers/spi/spi-clps711x.c @@ -226,7 +226,6 @@ static int spi_clps711x_probe(struct platform_device *pdev) dev_name(&pdev->dev), hw); if (ret) { dev_err(&pdev->dev, "Can't request IRQ\n"); - clk_put(hw->spi_clk); goto clk_out; } @@ -247,7 +246,6 @@ err_out: gpio_free(hw->chipselect[i]); spi_master_put(master); - kfree(master); return ret; } @@ -263,7 +261,6 @@ static int spi_clps711x_remove(struct platform_device *pdev) gpio_free(hw->chipselect[i]); spi_unregister_master(master); - kfree(master); return 0; } diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c index 6cd07d13ecab..4e44575bd87a 100644 --- a/drivers/spi/spi-fsl-dspi.c +++ b/drivers/spi/spi-fsl-dspi.c @@ -476,15 +476,9 @@ static int dspi_probe(struct platform_device *pdev) master->bus_num = bus_num; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&pdev->dev, "can't get platform resource\n"); - ret = -EINVAL; - goto out_master_put; - } - dspi->base = devm_ioremap_resource(&pdev->dev, res); - if (!dspi->base) { - ret = -EINVAL; + if (IS_ERR(dspi->base)) { + ret = PTR_ERR(dspi->base); goto out_master_put; } diff --git a/drivers/spi/spi-mpc512x-psc.c b/drivers/spi/spi-mpc512x-psc.c index dbc5e999a1f5..6adf4e35816d 100644 --- a/drivers/spi/spi-mpc512x-psc.c +++ b/drivers/spi/spi-mpc512x-psc.c @@ -522,8 +522,10 @@ static int mpc512x_psc_spi_do_probe(struct device *dev, u32 regaddr, psc_num = master->bus_num; snprintf(clk_name, sizeof(clk_name), "psc%d_mclk", psc_num); clk = devm_clk_get(dev, clk_name); - if (IS_ERR(clk)) + if (IS_ERR(clk)) { + ret = PTR_ERR(clk); goto free_irq; + } ret = clk_prepare_enable(clk); if (ret) goto free_irq; diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index 2eb06ee0b326..c1a50674c1e3 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -546,8 +546,17 @@ static irqreturn_t ssp_int(int irq, void *dev_id) if (pm_runtime_suspended(&drv_data->pdev->dev)) return IRQ_NONE; - sccr1_reg = read_SSCR1(reg); + /* + * If the device is not yet in RPM suspended state and we get an + * interrupt that is meant for another device, check if status bits + * are all set to one. That means that the device is already + * powered off. + */ status = read_SSSR(reg); + if (status == ~0) + return IRQ_NONE; + + sccr1_reg = read_SSCR1(reg); /* Ignore possible writes if we don't need to write */ if (!(sccr1_reg & SSCR1_TIE)) diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index 512b8893893b..a80376dc3a10 100644 --- a/drivers/spi/spi-s3c64xx.c +++ b/drivers/spi/spi-s3c64xx.c @@ -1428,6 +1428,8 @@ static int s3c64xx_spi_probe(struct platform_device *pdev) S3C64XX_SPI_INT_TX_OVERRUN_EN | S3C64XX_SPI_INT_TX_UNDERRUN_EN, sdd->regs + S3C64XX_SPI_INT_EN); + pm_runtime_enable(&pdev->dev); + if (spi_register_master(master)) { dev_err(&pdev->dev, "cannot register SPI master\n"); ret = -EBUSY; @@ -1440,8 +1442,6 @@ static int s3c64xx_spi_probe(struct platform_device *pdev) mem_res, sdd->rx_dma.dmach, sdd->tx_dma.dmach); - pm_runtime_enable(&pdev->dev); - return 0; err3: diff --git a/drivers/spi/spi-sh-hspi.c b/drivers/spi/spi-sh-hspi.c index 0b68cb592fa4..e488a90a98b8 100644 --- a/drivers/spi/spi-sh-hspi.c +++ b/drivers/spi/spi-sh-hspi.c @@ -296,6 +296,8 @@ static int hspi_probe(struct platform_device *pdev) goto error1; } + pm_runtime_enable(&pdev->dev); + master->num_chipselect = 1; master->bus_num = pdev->id; master->setup = hspi_setup; @@ -309,8 +311,6 @@ static int hspi_probe(struct platform_device *pdev) goto error1; } - pm_runtime_enable(&pdev->dev); - return 0; error1: diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index a0ebbc9ce5cd..042aa077b5b3 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -1912,9 +1912,6 @@ static int serial_imx_probe_dt(struct imx_port *sport, sport->devdata = of_id->data; - if (of_device_is_stdout_path(np)) - add_preferred_console(imx_reg.cons->name, sport->port.line, 0); - return 0; } #else diff --git a/drivers/tty/serial/vt8500_serial.c b/drivers/tty/serial/vt8500_serial.c index 93b697a0de65..15ad6fcda88b 100644 --- a/drivers/tty/serial/vt8500_serial.c +++ b/drivers/tty/serial/vt8500_serial.c @@ -561,12 +561,13 @@ static int vt8500_serial_probe(struct platform_device *pdev) if (!mmres || !irqres) return -ENODEV; - if (np) + if (np) { port = of_alias_get_id(np, "serial"); if (port >= VT8500_MAX_PORTS) port = -1; - else + } else { port = -1; + } if (port < 0) { /* calculate the port id */ diff --git a/drivers/usb/chipidea/host.c b/drivers/usb/chipidea/host.c index 6f96795dd20c..64d7a6d9a1ad 100644 --- a/drivers/usb/chipidea/host.c +++ b/drivers/usb/chipidea/host.c @@ -100,8 +100,10 @@ static void host_stop(struct ci_hdrc *ci) { struct usb_hcd *hcd = ci->hcd; - usb_remove_hcd(hcd); - usb_put_hcd(hcd); + if (hcd) { + usb_remove_hcd(hcd); + usb_put_hcd(hcd); + } if (ci->platdata->reg_vbus) regulator_disable(ci->platdata->reg_vbus); } diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index 5b44cd47da5b..01fe36273f3b 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -97,6 +97,9 @@ static const struct usb_device_id usb_quirk_list[] = { /* Alcor Micro Corp. Hub */ { USB_DEVICE(0x058f, 0x9254), .driver_info = USB_QUIRK_RESET_RESUME }, + /* MicroTouch Systems touchscreen */ + { USB_DEVICE(0x0596, 0x051e), .driver_info = USB_QUIRK_RESET_RESUME }, + /* appletouch */ { USB_DEVICE(0x05ac, 0x021a), .driver_info = USB_QUIRK_RESET_RESUME }, @@ -130,6 +133,9 @@ static const struct usb_device_id usb_quirk_list[] = { /* Broadcom BCM92035DGROM BT dongle */ { USB_DEVICE(0x0a5c, 0x2021), .driver_info = USB_QUIRK_RESET_RESUME }, + /* MAYA44USB sound device */ + { USB_DEVICE(0x0a92, 0x0091), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Action Semiconductor flash disk */ { USB_DEVICE(0x10d6, 0x2200), .driver_info = USB_QUIRK_STRING_FETCH_255 }, diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index 2c76ef1320ea..08ef2829a7e2 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -799,7 +799,7 @@ void usb_enable_intel_xhci_ports(struct pci_dev *xhci_pdev) * switchable ports. */ pci_write_config_dword(xhci_pdev, USB_INTEL_USB3_PSSEN, - cpu_to_le32(ports_available)); + ports_available); pci_read_config_dword(xhci_pdev, USB_INTEL_USB3_PSSEN, &ports_available); @@ -821,7 +821,7 @@ void usb_enable_intel_xhci_ports(struct pci_dev *xhci_pdev) * host. */ pci_write_config_dword(xhci_pdev, USB_INTEL_XUSB2PR, - cpu_to_le32(ports_available)); + ports_available); pci_read_config_dword(xhci_pdev, USB_INTEL_XUSB2PR, &ports_available); diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 773a6b28c4f1..e8b4c56dcf62 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -1157,18 +1157,6 @@ int xhci_bus_suspend(struct usb_hcd *hcd) t1 = xhci_port_state_to_neutral(t1); if (t1 != t2) xhci_writel(xhci, t2, port_array[port_index]); - - if (hcd->speed != HCD_USB3) { - /* enable remote wake up for USB 2.0 */ - __le32 __iomem *addr; - u32 tmp; - - /* Get the port power control register address. */ - addr = port_array[port_index] + PORTPMSC; - tmp = xhci_readl(xhci, addr); - tmp |= PORT_RWE; - xhci_writel(xhci, tmp, addr); - } } hcd->state = HC_STATE_SUSPENDED; bus_state->next_statechange = jiffies + msecs_to_jiffies(10); @@ -1247,20 +1235,6 @@ int xhci_bus_resume(struct usb_hcd *hcd) xhci_ring_device(xhci, slot_id); } else xhci_writel(xhci, temp, port_array[port_index]); - - if (hcd->speed != HCD_USB3) { - /* disable remote wake up for USB 2.0 */ - __le32 __iomem *addr; - u32 tmp; - - /* Add one to the port status register address to get - * the port power control register address. - */ - addr = port_array[port_index] + PORTPMSC; - tmp = xhci_readl(xhci, addr); - tmp &= ~PORT_RWE; - xhci_writel(xhci, tmp, addr); - } } (void) xhci_readl(xhci, &xhci->op_regs->command); diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 236c3aabe940..b8dffd59eb25 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -35,6 +35,9 @@ #define PCI_VENDOR_ID_ETRON 0x1b6f #define PCI_DEVICE_ID_ASROCK_P67 0x7023 +#define PCI_DEVICE_ID_INTEL_LYNXPOINT_XHCI 0x8c31 +#define PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI 0x9c31 + static const char hcd_name[] = "xhci_hcd"; /* called after powerup, by probe or system-pm "wakeup" */ @@ -69,6 +72,14 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) "QUIRK: Fresco Logic xHC needs configure" " endpoint cmd after reset endpoint"); } + if (pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_PDK && + pdev->revision == 0x4) { + xhci->quirks |= XHCI_SLOW_SUSPEND; + xhci_dbg_trace(xhci, trace_xhci_dbg_quirks, + "QUIRK: Fresco Logic xHC revision %u" + "must be suspended extra slowly", + pdev->revision); + } /* Fresco Logic confirms: all revisions of this chip do not * support MSI, even though some of them claim to in their PCI * capabilities. @@ -110,6 +121,15 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) xhci->quirks |= XHCI_SPURIOUS_REBOOT; xhci->quirks |= XHCI_AVOID_BEI; } + if (pdev->vendor == PCI_VENDOR_ID_INTEL && + (pdev->device == PCI_DEVICE_ID_INTEL_LYNXPOINT_XHCI || + pdev->device == PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI)) { + /* Workaround for occasional spurious wakeups from S5 (or + * any other sleep) on Haswell machines with LPT and LPT-LP + * with the new Intel BIOS + */ + xhci->quirks |= XHCI_SPURIOUS_WAKEUP; + } if (pdev->vendor == PCI_VENDOR_ID_ETRON && pdev->device == PCI_DEVICE_ID_ASROCK_P67) { xhci->quirks |= XHCI_RESET_ON_RESUME; @@ -217,6 +237,11 @@ static void xhci_pci_remove(struct pci_dev *dev) usb_put_hcd(xhci->shared_hcd); } usb_hcd_pci_remove(dev); + + /* Workaround for spurious wakeups at shutdown with HSW */ + if (xhci->quirks & XHCI_SPURIOUS_WAKEUP) + pci_set_power_state(dev, PCI_D3hot); + kfree(xhci); } diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 1e36dbb48366..6e0d886bcce5 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -730,6 +730,9 @@ void xhci_shutdown(struct usb_hcd *hcd) spin_lock_irq(&xhci->lock); xhci_halt(xhci); + /* Workaround for spurious wakeups at shutdown with HSW */ + if (xhci->quirks & XHCI_SPURIOUS_WAKEUP) + xhci_reset(xhci); spin_unlock_irq(&xhci->lock); xhci_cleanup_msix(xhci); @@ -737,6 +740,10 @@ void xhci_shutdown(struct usb_hcd *hcd) xhci_dbg_trace(xhci, trace_xhci_dbg_init, "xhci_shutdown completed - status = %x", xhci_readl(xhci, &xhci->op_regs->status)); + + /* Yet another workaround for spurious wakeups at shutdown with HSW */ + if (xhci->quirks & XHCI_SPURIOUS_WAKEUP) + pci_set_power_state(to_pci_dev(hcd->self.controller), PCI_D3hot); } #ifdef CONFIG_PM @@ -839,6 +846,7 @@ static void xhci_clear_command_ring(struct xhci_hcd *xhci) int xhci_suspend(struct xhci_hcd *xhci) { int rc = 0; + unsigned int delay = XHCI_MAX_HALT_USEC; struct usb_hcd *hcd = xhci_to_hcd(xhci); u32 command; @@ -861,8 +869,12 @@ int xhci_suspend(struct xhci_hcd *xhci) command = xhci_readl(xhci, &xhci->op_regs->command); command &= ~CMD_RUN; xhci_writel(xhci, command, &xhci->op_regs->command); + + /* Some chips from Fresco Logic need an extraordinary delay */ + delay *= (xhci->quirks & XHCI_SLOW_SUSPEND) ? 10 : 1; + if (xhci_handshake(xhci, &xhci->op_regs->status, - STS_HALT, STS_HALT, XHCI_MAX_HALT_USEC)) { + STS_HALT, STS_HALT, delay)) { xhci_warn(xhci, "WARN: xHC CMD_RUN timeout\n"); spin_unlock_irq(&xhci->lock); return -ETIMEDOUT; diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 289fbfbae746..941d5f59e4dc 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1548,6 +1548,8 @@ struct xhci_hcd { #define XHCI_COMP_MODE_QUIRK (1 << 14) #define XHCI_AVOID_BEI (1 << 15) #define XHCI_PLAT (1 << 16) +#define XHCI_SLOW_SUSPEND (1 << 17) +#define XHCI_SPURIOUS_WAKEUP (1 << 18) unsigned int num_active_eps; unsigned int limit_active_eps; /* There are two roothubs to keep track of bus suspend info for */ diff --git a/drivers/usb/misc/Kconfig b/drivers/usb/misc/Kconfig index e2b21c1d9c40..ba5f70f92888 100644 --- a/drivers/usb/misc/Kconfig +++ b/drivers/usb/misc/Kconfig @@ -246,6 +246,6 @@ config USB_EZUSB_FX2 config USB_HSIC_USB3503 tristate "USB3503 HSIC to USB20 Driver" depends on I2C - select REGMAP + select REGMAP_I2C help This option enables support for SMSC USB3503 HSIC to USB 2.0 Driver. diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 18e877ffe7b7..cd70cc886171 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -922,6 +922,52 @@ static void musb_generic_disable(struct musb *musb) } /* + * Program the HDRC to start (enable interrupts, dma, etc.). + */ +void musb_start(struct musb *musb) +{ + void __iomem *regs = musb->mregs; + u8 devctl = musb_readb(regs, MUSB_DEVCTL); + + dev_dbg(musb->controller, "<== devctl %02x\n", devctl); + + /* Set INT enable registers, enable interrupts */ + musb->intrtxe = musb->epmask; + musb_writew(regs, MUSB_INTRTXE, musb->intrtxe); + musb->intrrxe = musb->epmask & 0xfffe; + musb_writew(regs, MUSB_INTRRXE, musb->intrrxe); + musb_writeb(regs, MUSB_INTRUSBE, 0xf7); + + musb_writeb(regs, MUSB_TESTMODE, 0); + + /* put into basic highspeed mode and start session */ + musb_writeb(regs, MUSB_POWER, MUSB_POWER_ISOUPDATE + | MUSB_POWER_HSENAB + /* ENSUSPEND wedges tusb */ + /* | MUSB_POWER_ENSUSPEND */ + ); + + musb->is_active = 0; + devctl = musb_readb(regs, MUSB_DEVCTL); + devctl &= ~MUSB_DEVCTL_SESSION; + + /* session started after: + * (a) ID-grounded irq, host mode; + * (b) vbus present/connect IRQ, peripheral mode; + * (c) peripheral initiates, using SRP + */ + if (musb->port_mode != MUSB_PORT_MODE_HOST && + (devctl & MUSB_DEVCTL_VBUS) == MUSB_DEVCTL_VBUS) { + musb->is_active = 1; + } else { + devctl |= MUSB_DEVCTL_SESSION; + } + + musb_platform_enable(musb); + musb_writeb(regs, MUSB_DEVCTL, devctl); +} + +/* * Make the HDRC stop (disable interrupts, etc.); * reversible by musb_start * called on gadget driver unregister diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h index 65f3917b4fc5..1c5bf75ee8ff 100644 --- a/drivers/usb/musb/musb_core.h +++ b/drivers/usb/musb/musb_core.h @@ -503,6 +503,7 @@ static inline void musb_configure_ep0(struct musb *musb) extern const char musb_driver_name[]; extern void musb_stop(struct musb *musb); +extern void musb_start(struct musb *musb); extern void musb_write_fifo(struct musb_hw_ep *ep, u16 len, const u8 *src); extern void musb_read_fifo(struct musb_hw_ep *ep, u16 len, u8 *dst); diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c index b19ed213ab85..3671898a4535 100644 --- a/drivers/usb/musb/musb_gadget.c +++ b/drivers/usb/musb/musb_gadget.c @@ -1853,11 +1853,14 @@ static int musb_gadget_start(struct usb_gadget *g, musb->gadget_driver = driver; spin_lock_irqsave(&musb->lock, flags); + musb->is_active = 1; otg_set_peripheral(otg, &musb->g); musb->xceiv->state = OTG_STATE_B_IDLE; spin_unlock_irqrestore(&musb->lock, flags); + musb_start(musb); + /* REVISIT: funcall to other code, which also * handles power budgeting ... this way also * ensures HdrcStart is indirectly called. diff --git a/drivers/usb/musb/musb_virthub.c b/drivers/usb/musb/musb_virthub.c index a523950c2b32..d1d6b83aabca 100644 --- a/drivers/usb/musb/musb_virthub.c +++ b/drivers/usb/musb/musb_virthub.c @@ -44,52 +44,6 @@ #include "musb_core.h" -/* -* Program the HDRC to start (enable interrupts, dma, etc.). -*/ -static void musb_start(struct musb *musb) -{ - void __iomem *regs = musb->mregs; - u8 devctl = musb_readb(regs, MUSB_DEVCTL); - - dev_dbg(musb->controller, "<== devctl %02x\n", devctl); - - /* Set INT enable registers, enable interrupts */ - musb->intrtxe = musb->epmask; - musb_writew(regs, MUSB_INTRTXE, musb->intrtxe); - musb->intrrxe = musb->epmask & 0xfffe; - musb_writew(regs, MUSB_INTRRXE, musb->intrrxe); - musb_writeb(regs, MUSB_INTRUSBE, 0xf7); - - musb_writeb(regs, MUSB_TESTMODE, 0); - - /* put into basic highspeed mode and start session */ - musb_writeb(regs, MUSB_POWER, MUSB_POWER_ISOUPDATE - | MUSB_POWER_HSENAB - /* ENSUSPEND wedges tusb */ - /* | MUSB_POWER_ENSUSPEND */ - ); - - musb->is_active = 0; - devctl = musb_readb(regs, MUSB_DEVCTL); - devctl &= ~MUSB_DEVCTL_SESSION; - - /* session started after: - * (a) ID-grounded irq, host mode; - * (b) vbus present/connect IRQ, peripheral mode; - * (c) peripheral initiates, using SRP - */ - if (musb->port_mode != MUSB_PORT_MODE_HOST && - (devctl & MUSB_DEVCTL_VBUS) == MUSB_DEVCTL_VBUS) { - musb->is_active = 1; - } else { - devctl |= MUSB_DEVCTL_SESSION; - } - - musb_platform_enable(musb); - musb_writeb(regs, MUSB_DEVCTL, devctl); -} - static void musb_port_suspend(struct musb *musb, bool do_suspend) { struct usb_otg *otg = musb->xceiv->otg; diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 80a7104d5ddb..acaee066b99a 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -451,6 +451,10 @@ static void option_instat_callback(struct urb *urb); #define CHANGHONG_VENDOR_ID 0x2077 #define CHANGHONG_PRODUCT_CH690 0x7001 +/* Inovia */ +#define INOVIA_VENDOR_ID 0x20a6 +#define INOVIA_SEW858 0x1105 + /* some devices interfaces need special handling due to a number of reasons */ enum option_blacklist_reason { OPTION_BLACKLIST_NONE = 0, @@ -689,6 +693,222 @@ static const struct usb_device_id option_ids[] = { { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x02, 0x7A) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x02, 0x7B) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x02, 0x7C) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x01) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x02) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x03) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x04) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x05) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x06) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x0A) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x0B) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x0D) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x0E) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x0F) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x10) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x12) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x13) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x14) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x15) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x17) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x18) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x19) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x1A) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x1B) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x1C) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x31) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x32) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x33) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x34) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x35) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x36) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x3A) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x3B) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x3D) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x3E) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x3F) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x48) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x49) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x4A) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x4B) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x4C) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x61) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x62) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x63) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x64) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x65) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x66) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x6A) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x6B) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x6D) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x6E) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x6F) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x78) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x79) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x7A) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x7B) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x7C) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x01) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x02) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x03) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x04) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x05) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x06) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x0A) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x0B) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x0D) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x0E) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x0F) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x10) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x12) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x13) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x14) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x15) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x17) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x18) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x19) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x1A) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x1B) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x1C) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x31) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x32) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x33) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x34) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x35) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x36) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x3A) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x3B) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x3D) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x3E) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x3F) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x48) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x49) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x4A) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x4B) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x4C) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x61) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x62) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x63) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x64) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x65) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x66) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x6A) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x6B) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x6D) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x6E) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x6F) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x78) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x79) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x7A) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x7B) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x7C) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x01) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x02) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x03) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x04) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x05) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x06) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x0A) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x0B) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x0D) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x0E) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x0F) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x10) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x12) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x13) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x14) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x15) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x17) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x18) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x19) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x1A) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x1B) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x1C) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x31) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x32) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x33) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x34) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x35) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x36) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x3A) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x3B) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x3D) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x3E) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x3F) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x48) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x49) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x4A) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x4B) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x4C) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x61) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x62) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x63) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x64) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x65) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x66) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x6A) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x6B) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x6D) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x6E) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x6F) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x78) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x79) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x7A) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x7B) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x7C) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x01) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x02) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x03) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x04) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x05) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x06) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x0A) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x0B) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x0D) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x0E) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x0F) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x10) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x12) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x13) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x14) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x15) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x17) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x18) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x19) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x1A) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x1B) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x1C) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x31) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x32) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x33) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x34) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x35) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x36) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x3A) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x3B) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x3D) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x3E) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x3F) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x48) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x49) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x4A) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x4B) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x4C) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x61) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x62) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x63) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x64) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x65) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x66) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x6A) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x6B) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x6D) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x6E) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x6F) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x78) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x79) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x7A) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x7B) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x7C) }, { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V640) }, @@ -1257,7 +1477,9 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD100) }, { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD145) }, - { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD200) }, + { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD200), + .driver_info = (kernel_ulong_t)&net_intf6_blacklist + }, { USB_DEVICE(CELOT_VENDOR_ID, CELOT_PRODUCT_CT680M) }, /* CT-650 CDMA 450 1xEVDO modem */ { USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, SAMSUNG_PRODUCT_GT_B3730, USB_CLASS_CDC_DATA, 0x00, 0x00) }, /* Samsung GT-B3730 LTE USB modem.*/ { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEM600) }, @@ -1345,6 +1567,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d03, 0xff, 0x00, 0x00) }, { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */ { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/C1 */ + { USB_DEVICE(INOVIA_VENDOR_ID, INOVIA_SEW858) }, { } /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, option_ids); diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c index 760b78560f67..c9a35697ebe9 100644 --- a/drivers/usb/serial/ti_usb_3410_5052.c +++ b/drivers/usb/serial/ti_usb_3410_5052.c @@ -190,6 +190,7 @@ static struct usb_device_id ti_id_table_combined[] = { { USB_DEVICE(IBM_VENDOR_ID, IBM_454B_PRODUCT_ID) }, { USB_DEVICE(IBM_VENDOR_ID, IBM_454C_PRODUCT_ID) }, { USB_DEVICE(ABBOTT_VENDOR_ID, ABBOTT_PRODUCT_ID) }, + { USB_DEVICE(ABBOTT_VENDOR_ID, ABBOTT_STRIP_PORT_ID) }, { USB_DEVICE(TI_VENDOR_ID, FRI2_PRODUCT_ID) }, { } /* terminator */ }; diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c index 94d75edef77f..18509e6c21ab 100644 --- a/drivers/usb/storage/scsiglue.c +++ b/drivers/usb/storage/scsiglue.c @@ -211,8 +211,11 @@ static int slave_configure(struct scsi_device *sdev) /* * Many devices do not respond properly to READ_CAPACITY_16. * Tell the SCSI layer to try READ_CAPACITY_10 first. + * However some USB 3.0 drive enclosures return capacity + * modulo 2TB. Those must use READ_CAPACITY_16 */ - sdev->try_rc_10_first = 1; + if (!(us->fflags & US_FL_NEEDS_CAP16)) + sdev->try_rc_10_first = 1; /* assume SPC3 or latter devices support sense size > 18 */ if (sdev->scsi_level > SCSI_SPC_2) diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index c015f2c16729..de32cfa5bfa6 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -1925,6 +1925,13 @@ UNUSUAL_DEV( 0x1652, 0x6600, 0x0201, 0x0201, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_IGNORE_RESIDUE ), +/* Reported by Oliver Neukum <oneukum@suse.com> */ +UNUSUAL_DEV( 0x174c, 0x55aa, 0x0100, 0x0100, + "ASMedia", + "AS2105", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_NEEDS_CAP16), + /* Reported by Jesse Feddema <jdfeddema@gmail.com> */ UNUSUAL_DEV( 0x177f, 0x0400, 0x0000, 0x0000, "Yarvik", diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c index a9807dea3887..4fb7a8f83c8a 100644 --- a/drivers/vfio/vfio_iommu_type1.c +++ b/drivers/vfio/vfio_iommu_type1.c @@ -545,6 +545,8 @@ static int vfio_dma_do_map(struct vfio_iommu *iommu, long npage; int ret = 0, prot = 0; uint64_t mask; + struct vfio_dma *dma = NULL; + unsigned long pfn; end = map->iova + map->size; @@ -587,8 +589,6 @@ static int vfio_dma_do_map(struct vfio_iommu *iommu, } for (iova = map->iova; iova < end; iova += size, vaddr += size) { - struct vfio_dma *dma = NULL; - unsigned long pfn; long i; /* Pin a contiguous chunk of memory */ @@ -597,16 +597,15 @@ static int vfio_dma_do_map(struct vfio_iommu *iommu, if (npage <= 0) { WARN_ON(!npage); ret = (int)npage; - break; + goto out; } /* Verify pages are not already mapped */ for (i = 0; i < npage; i++) { if (iommu_iova_to_phys(iommu->domain, iova + (i << PAGE_SHIFT))) { - vfio_unpin_pages(pfn, npage, prot, true); ret = -EBUSY; - break; + goto out_unpin; } } @@ -616,8 +615,7 @@ static int vfio_dma_do_map(struct vfio_iommu *iommu, if (ret) { if (ret != -EBUSY || map_try_harder(iommu, iova, pfn, npage, prot)) { - vfio_unpin_pages(pfn, npage, prot, true); - break; + goto out_unpin; } } @@ -672,9 +670,8 @@ static int vfio_dma_do_map(struct vfio_iommu *iommu, dma = kzalloc(sizeof(*dma), GFP_KERNEL); if (!dma) { iommu_unmap(iommu->domain, iova, size); - vfio_unpin_pages(pfn, npage, prot, true); ret = -ENOMEM; - break; + goto out_unpin; } dma->size = size; @@ -685,16 +682,21 @@ static int vfio_dma_do_map(struct vfio_iommu *iommu, } } - if (ret) { - struct vfio_dma *tmp; - iova = map->iova; - size = map->size; - while ((tmp = vfio_find_dma(iommu, iova, size))) { - int r = vfio_remove_dma_overlap(iommu, iova, - &size, tmp); - if (WARN_ON(r || !size)) - break; - } + WARN_ON(ret); + mutex_unlock(&iommu->lock); + return ret; + +out_unpin: + vfio_unpin_pages(pfn, npage, prot, true); + +out: + iova = map->iova; + size = map->size; + while ((dma = vfio_find_dma(iommu, iova, size))) { + int r = vfio_remove_dma_overlap(iommu, iova, + &size, dma); + if (WARN_ON(r || !size)) + break; } mutex_unlock(&iommu->lock); diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c index c7c64f18773d..fa932c2f7d97 100644 --- a/drivers/w1/w1.c +++ b/drivers/w1/w1.c @@ -613,6 +613,9 @@ static int w1_bus_notify(struct notifier_block *nb, unsigned long action, sl = dev_to_w1_slave(dev); fops = sl->family->fops; + if (!fops) + return 0; + switch (action) { case BUS_NOTIFY_ADD_DEVICE: /* if the family driver needs to initialize something... */ @@ -713,7 +716,10 @@ static int w1_attach_slave_device(struct w1_master *dev, struct w1_reg_num *rn) atomic_set(&sl->refcnt, 0); init_completion(&sl->released); + /* slave modules need to be loaded in a context with unlocked mutex */ + mutex_unlock(&dev->mutex); request_module("w1-family-0x%0x", rn->family); + mutex_lock(&dev->mutex); spin_lock(&w1_flock); f = w1_family_registered(rn->family); diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c index 5be5e3d14f79..19f3c3fc65f4 100644 --- a/drivers/watchdog/hpwdt.c +++ b/drivers/watchdog/hpwdt.c @@ -802,6 +802,12 @@ static int hpwdt_init_one(struct pci_dev *dev, return -ENODEV; } + /* + * Ignore all auxilary iLO devices with the following PCI ID + */ + if (dev->subsystem_device == 0x1979) + return -ENODEV; + if (pci_enable_device(dev)) { dev_warn(&dev->dev, "Not possible to enable PCI Device: 0x%x:0x%x.\n", diff --git a/drivers/watchdog/kempld_wdt.c b/drivers/watchdog/kempld_wdt.c index 491419e0772a..5c3d4df63e68 100644 --- a/drivers/watchdog/kempld_wdt.c +++ b/drivers/watchdog/kempld_wdt.c @@ -35,7 +35,7 @@ #define KEMPLD_WDT_STAGE_TIMEOUT(x) (0x1b + (x) * 4) #define KEMPLD_WDT_STAGE_CFG(x) (0x18 + (x)) #define STAGE_CFG_GET_PRESCALER(x) (((x) & 0x30) >> 4) -#define STAGE_CFG_SET_PRESCALER(x) (((x) & 0x30) << 4) +#define STAGE_CFG_SET_PRESCALER(x) (((x) & 0x3) << 4) #define STAGE_CFG_PRESCALER_MASK 0x30 #define STAGE_CFG_ACTION_MASK 0x7 #define STAGE_CFG_ASSERT (1 << 3) diff --git a/drivers/watchdog/sunxi_wdt.c b/drivers/watchdog/sunxi_wdt.c index 1f94b42764aa..f6caa77151c7 100644 --- a/drivers/watchdog/sunxi_wdt.c +++ b/drivers/watchdog/sunxi_wdt.c @@ -146,7 +146,7 @@ static const struct watchdog_ops sunxi_wdt_ops = { .set_timeout = sunxi_wdt_set_timeout, }; -static int __init sunxi_wdt_probe(struct platform_device *pdev) +static int sunxi_wdt_probe(struct platform_device *pdev) { struct sunxi_wdt_dev *sunxi_wdt; struct resource *res; @@ -187,7 +187,7 @@ static int __init sunxi_wdt_probe(struct platform_device *pdev) return 0; } -static int __exit sunxi_wdt_remove(struct platform_device *pdev) +static int sunxi_wdt_remove(struct platform_device *pdev) { struct sunxi_wdt_dev *sunxi_wdt = platform_get_drvdata(pdev); diff --git a/drivers/watchdog/ts72xx_wdt.c b/drivers/watchdog/ts72xx_wdt.c index 42913f131dc2..c9b0c627fe7e 100644 --- a/drivers/watchdog/ts72xx_wdt.c +++ b/drivers/watchdog/ts72xx_wdt.c @@ -310,7 +310,8 @@ static long ts72xx_wdt_ioctl(struct file *file, unsigned int cmd, case WDIOC_GETSTATUS: case WDIOC_GETBOOTSTATUS: - return put_user(0, p); + error = put_user(0, p); + break; case WDIOC_KEEPALIVE: ts72xx_wdt_kick(wdt); diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 4ae17ed13b32..62176ad89846 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -1561,8 +1561,9 @@ int btrfs_insert_fs_root(struct btrfs_fs_info *fs_info, return ret; } -struct btrfs_root *btrfs_read_fs_root_no_name(struct btrfs_fs_info *fs_info, - struct btrfs_key *location) +struct btrfs_root *btrfs_get_fs_root(struct btrfs_fs_info *fs_info, + struct btrfs_key *location, + bool check_ref) { struct btrfs_root *root; int ret; @@ -1586,7 +1587,7 @@ struct btrfs_root *btrfs_read_fs_root_no_name(struct btrfs_fs_info *fs_info, again: root = btrfs_lookup_fs_root(fs_info, location->objectid); if (root) { - if (btrfs_root_refs(&root->root_item) == 0) + if (check_ref && btrfs_root_refs(&root->root_item) == 0) return ERR_PTR(-ENOENT); return root; } @@ -1595,7 +1596,7 @@ again: if (IS_ERR(root)) return root; - if (btrfs_root_refs(&root->root_item) == 0) { + if (check_ref && btrfs_root_refs(&root->root_item) == 0) { ret = -ENOENT; goto fail; } diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h index b71acd6e1e5b..5ce2a7da8b11 100644 --- a/fs/btrfs/disk-io.h +++ b/fs/btrfs/disk-io.h @@ -68,8 +68,17 @@ struct btrfs_root *btrfs_read_fs_root(struct btrfs_root *tree_root, int btrfs_init_fs_root(struct btrfs_root *root); int btrfs_insert_fs_root(struct btrfs_fs_info *fs_info, struct btrfs_root *root); -struct btrfs_root *btrfs_read_fs_root_no_name(struct btrfs_fs_info *fs_info, - struct btrfs_key *location); + +struct btrfs_root *btrfs_get_fs_root(struct btrfs_fs_info *fs_info, + struct btrfs_key *key, + bool check_ref); +static inline struct btrfs_root * +btrfs_read_fs_root_no_name(struct btrfs_fs_info *fs_info, + struct btrfs_key *location) +{ + return btrfs_get_fs_root(fs_info, location, true); +} + int btrfs_cleanup_fs_roots(struct btrfs_fs_info *fs_info); void btrfs_btree_balance_dirty(struct btrfs_root *root); void btrfs_btree_balance_dirty_nodelay(struct btrfs_root *root); diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 22bda32acb89..51731b76900d 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -1490,10 +1490,8 @@ static noinline u64 find_delalloc_range(struct extent_io_tree *tree, cur_start = state->end + 1; node = rb_next(node); total_bytes += state->end - state->start + 1; - if (total_bytes >= max_bytes) { - *end = *start + max_bytes - 1; + if (total_bytes >= max_bytes) break; - } if (!node) break; } @@ -1635,10 +1633,9 @@ again: /* * make sure to limit the number of pages we try to lock down - * if we're looping. */ - if (delalloc_end + 1 - delalloc_start > max_bytes && loops) - delalloc_end = delalloc_start + PAGE_CACHE_SIZE - 1; + if (delalloc_end + 1 - delalloc_start > max_bytes) + delalloc_end = delalloc_start + max_bytes - 1; /* step two, lock all the pages after the page that has start */ ret = lock_delalloc_pages(inode, locked_page, @@ -1649,8 +1646,7 @@ again: */ free_extent_state(cached_state); if (!loops) { - unsigned long offset = (*start) & (PAGE_CACHE_SIZE - 1); - max_bytes = PAGE_CACHE_SIZE - offset; + max_bytes = PAGE_CACHE_SIZE; loops = 1; goto again; } else { diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 22ebc13b6c99..51e3afa78354 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -6437,6 +6437,7 @@ noinline int can_nocow_extent(struct inode *inode, u64 offset, u64 *len, if (btrfs_extent_readonly(root, disk_bytenr)) goto out; + btrfs_release_path(path); /* * look for other files referencing this extent, if we @@ -7986,7 +7987,7 @@ static int btrfs_rename(struct inode *old_dir, struct dentry *old_dentry, /* check for collisions, even if the name isn't there */ - ret = btrfs_check_dir_item_collision(root, new_dir->i_ino, + ret = btrfs_check_dir_item_collision(dest, new_dir->i_ino, new_dentry->d_name.name, new_dentry->d_name.len); diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c index a5a26320503f..4a355726151e 100644 --- a/fs/btrfs/relocation.c +++ b/fs/btrfs/relocation.c @@ -588,7 +588,7 @@ static struct btrfs_root *read_fs_root(struct btrfs_fs_info *fs_info, else key.offset = (u64)-1; - return btrfs_read_fs_root_no_name(fs_info, &key); + return btrfs_get_fs_root(fs_info, &key, false); } #ifdef BTRFS_COMPAT_EXTENT_TREE_V0 diff --git a/fs/btrfs/root-tree.c b/fs/btrfs/root-tree.c index 0b1f4ef8db98..ec71ea44d2b4 100644 --- a/fs/btrfs/root-tree.c +++ b/fs/btrfs/root-tree.c @@ -299,11 +299,6 @@ int btrfs_find_orphan_roots(struct btrfs_root *tree_root) continue; } - if (btrfs_root_refs(&root->root_item) == 0) { - btrfs_add_dead_root(root); - continue; - } - err = btrfs_init_fs_root(root); if (err) { btrfs_free_fs_root(root); @@ -318,6 +313,9 @@ int btrfs_find_orphan_roots(struct btrfs_root *tree_root) btrfs_free_fs_root(root); break; } + + if (btrfs_root_refs(&root->root_item) == 0) + btrfs_add_dead_root(root); } btrfs_free_path(path); diff --git a/fs/buffer.c b/fs/buffer.c index 4d7433534f5c..6024877335ca 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -1005,9 +1005,19 @@ grow_dev_page(struct block_device *bdev, sector_t block, struct buffer_head *bh; sector_t end_block; int ret = 0; /* Will call free_more_memory() */ + gfp_t gfp_mask; - page = find_or_create_page(inode->i_mapping, index, - (mapping_gfp_mask(inode->i_mapping) & ~__GFP_FS)|__GFP_MOVABLE); + gfp_mask = mapping_gfp_mask(inode->i_mapping) & ~__GFP_FS; + gfp_mask |= __GFP_MOVABLE; + /* + * XXX: __getblk_slow() can not really deal with failure and + * will endlessly loop on improvised global reclaim. Prefer + * looping in the allocator rather than here, at least that + * code knows what it's doing. + */ + gfp_mask |= __GFP_NOFAIL; + + page = find_or_create_page(inode->i_mapping, index, gfp_mask); if (!page) return ret; diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index a16b4e58bcc6..77fc5e181077 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -120,14 +120,16 @@ cifs_read_super(struct super_block *sb) { struct inode *inode; struct cifs_sb_info *cifs_sb; + struct cifs_tcon *tcon; int rc = 0; cifs_sb = CIFS_SB(sb); + tcon = cifs_sb_master_tcon(cifs_sb); if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_POSIXACL) sb->s_flags |= MS_POSIXACL; - if (cifs_sb_master_tcon(cifs_sb)->ses->capabilities & CAP_LARGE_FILES) + if (tcon->ses->capabilities & tcon->ses->server->vals->cap_large_files) sb->s_maxbytes = MAX_LFS_FILESIZE; else sb->s_maxbytes = MAX_NON_LFS; @@ -147,7 +149,7 @@ cifs_read_super(struct super_block *sb) goto out_no_root; } - if (cifs_sb_master_tcon(cifs_sb)->nocase) + if (tcon->nocase) sb->s_d_op = &cifs_ci_dentry_ops; else sb->s_d_op = &cifs_dentry_ops; diff --git a/fs/cifs/cifspdu.h b/fs/cifs/cifspdu.h index a630475e421c..08f9dfb1a894 100644 --- a/fs/cifs/cifspdu.h +++ b/fs/cifs/cifspdu.h @@ -1491,15 +1491,30 @@ struct file_notify_information { __u8 FileName[0]; } __attribute__((packed)); -struct reparse_data { - __u32 ReparseTag; - __u16 ReparseDataLength; +/* For IO_REPARSE_TAG_SYMLINK */ +struct reparse_symlink_data { + __le32 ReparseTag; + __le16 ReparseDataLength; __u16 Reserved; - __u16 SubstituteNameOffset; - __u16 SubstituteNameLength; - __u16 PrintNameOffset; - __u16 PrintNameLength; - __u32 Flags; + __le16 SubstituteNameOffset; + __le16 SubstituteNameLength; + __le16 PrintNameOffset; + __le16 PrintNameLength; + __le32 Flags; + char PathBuffer[0]; +} __attribute__((packed)); + +/* For IO_REPARSE_TAG_NFS */ +#define NFS_SPECFILE_LNK 0x00000000014B4E4C +#define NFS_SPECFILE_CHR 0x0000000000524843 +#define NFS_SPECFILE_BLK 0x00000000004B4C42 +#define NFS_SPECFILE_FIFO 0x000000004F464946 +#define NFS_SPECFILE_SOCK 0x000000004B434F53 +struct reparse_posix_data { + __le32 ReparseTag; + __le16 ReparseDataLength; + __u16 Reserved; + __le64 InodeType; /* LNK, FIFO, CHR etc. */ char PathBuffer[0]; } __attribute__((packed)); diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 4baf35949b51..ccd31ab815d4 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -3088,7 +3088,8 @@ CIFSSMBQuerySymLink(const unsigned int xid, struct cifs_tcon *tcon, bool is_unicode; unsigned int sub_len; char *sub_start; - struct reparse_data *reparse_buf; + struct reparse_symlink_data *reparse_buf; + struct reparse_posix_data *posix_buf; __u32 data_offset, data_count; char *end_of_smb; @@ -3137,20 +3138,47 @@ CIFSSMBQuerySymLink(const unsigned int xid, struct cifs_tcon *tcon, goto qreparse_out; } end_of_smb = 2 + get_bcc(&pSMBr->hdr) + (char *)&pSMBr->ByteCount; - reparse_buf = (struct reparse_data *) + reparse_buf = (struct reparse_symlink_data *) ((char *)&pSMBr->hdr.Protocol + data_offset); if ((char *)reparse_buf >= end_of_smb) { rc = -EIO; goto qreparse_out; } - if ((reparse_buf->PathBuffer + reparse_buf->PrintNameOffset + - reparse_buf->PrintNameLength) > end_of_smb) { + if (reparse_buf->ReparseTag == cpu_to_le32(IO_REPARSE_TAG_NFS)) { + cifs_dbg(FYI, "NFS style reparse tag\n"); + posix_buf = (struct reparse_posix_data *)reparse_buf; + + if (posix_buf->InodeType != cpu_to_le64(NFS_SPECFILE_LNK)) { + cifs_dbg(FYI, "unsupported file type 0x%llx\n", + le64_to_cpu(posix_buf->InodeType)); + rc = -EOPNOTSUPP; + goto qreparse_out; + } + is_unicode = true; + sub_len = le16_to_cpu(reparse_buf->ReparseDataLength); + if (posix_buf->PathBuffer + sub_len > end_of_smb) { + cifs_dbg(FYI, "reparse buf beyond SMB\n"); + rc = -EIO; + goto qreparse_out; + } + *symlinkinfo = cifs_strndup_from_utf16(posix_buf->PathBuffer, + sub_len, is_unicode, nls_codepage); + goto qreparse_out; + } else if (reparse_buf->ReparseTag != + cpu_to_le32(IO_REPARSE_TAG_SYMLINK)) { + rc = -EOPNOTSUPP; + goto qreparse_out; + } + + /* Reparse tag is NTFS symlink */ + sub_start = le16_to_cpu(reparse_buf->SubstituteNameOffset) + + reparse_buf->PathBuffer; + sub_len = le16_to_cpu(reparse_buf->SubstituteNameLength); + if (sub_start + sub_len > end_of_smb) { cifs_dbg(FYI, "reparse buf beyond SMB\n"); rc = -EIO; goto qreparse_out; } - sub_start = reparse_buf->SubstituteNameOffset + reparse_buf->PathBuffer; - sub_len = reparse_buf->SubstituteNameLength; if (pSMBr->hdr.Flags2 & SMBFLG2_UNICODE) is_unicode = true; else diff --git a/fs/cifs/netmisc.c b/fs/cifs/netmisc.c index af847e1cf1c1..651a5279607b 100644 --- a/fs/cifs/netmisc.c +++ b/fs/cifs/netmisc.c @@ -780,7 +780,9 @@ static const struct { ERRDOS, ERRnoaccess, 0xc0000290}, { ERRDOS, ERRbadfunc, 0xc000029c}, { ERRDOS, ERRsymlink, NT_STATUS_STOPPED_ON_SYMLINK}, { - ERRDOS, ERRinvlevel, 0x007c0001}, }; + ERRDOS, ERRinvlevel, 0x007c0001}, { + 0, 0, 0 } +}; /***************************************************************************** Print an error message from the status code diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c index 352358de1d7e..e87387dbf39f 100644 --- a/fs/cifs/sess.c +++ b/fs/cifs/sess.c @@ -500,9 +500,9 @@ select_sectype(struct TCP_Server_Info *server, enum securityEnum requested) return NTLMv2; if (global_secflags & CIFSSEC_MAY_NTLM) return NTLM; - /* Fallthrough */ default: - return Unspecified; + /* Fallthrough to attempt LANMAN authentication next */ + break; } case CIFS_NEGFLAVOR_LANMAN: switch (requested) { diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index eba0efde66d7..edccb5252462 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -687,6 +687,10 @@ SMB2_logoff(const unsigned int xid, struct cifs_ses *ses) else return -EIO; + /* no need to send SMB logoff if uid already closed due to reconnect */ + if (ses->need_reconnect) + goto smb2_session_already_dead; + rc = small_smb2_init(SMB2_LOGOFF, NULL, (void **) &req); if (rc) return rc; @@ -701,6 +705,8 @@ SMB2_logoff(const unsigned int xid, struct cifs_ses *ses) * No tcon so can't do * cifs_stats_inc(&tcon->stats.smb2_stats.smb2_com_fail[SMB2...]); */ + +smb2_session_already_dead: return rc; } diff --git a/fs/cifs/smbfsctl.h b/fs/cifs/smbfsctl.h index d952ee48f4dc..a4b2391fe66e 100644 --- a/fs/cifs/smbfsctl.h +++ b/fs/cifs/smbfsctl.h @@ -97,9 +97,23 @@ #define FSCTL_QUERY_NETWORK_INTERFACE_INFO 0x001401FC /* BB add struct */ #define FSCTL_SRV_READ_HASH 0x001441BB /* BB add struct */ +/* See FSCC 2.1.2.5 */ #define IO_REPARSE_TAG_MOUNT_POINT 0xA0000003 #define IO_REPARSE_TAG_HSM 0xC0000004 #define IO_REPARSE_TAG_SIS 0x80000007 +#define IO_REPARSE_TAG_HSM2 0x80000006 +#define IO_REPARSE_TAG_DRIVER_EXTENDER 0x80000005 +/* Used by the DFS filter. See MS-DFSC */ +#define IO_REPARSE_TAG_DFS 0x8000000A +/* Used by the DFS filter See MS-DFSC */ +#define IO_REPARSE_TAG_DFSR 0x80000012 +#define IO_REPARSE_TAG_FILTER_MANAGER 0x8000000B +/* See section MS-FSCC 2.1.2.4 */ +#define IO_REPARSE_TAG_SYMLINK 0xA000000C +#define IO_REPARSE_TAG_DEDUP 0x80000013 +#define IO_REPARSE_APPXSTREAM 0xC0000014 +/* NFS symlinks, Win 8/SMB3 and later */ +#define IO_REPARSE_TAG_NFS 0x80000014 /* fsctl flags */ /* If Flags is set to this value, the request is an FSCTL not ioctl request */ diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c index 6fdcb1b4a106..800b938e4061 100644 --- a/fs/cifs/transport.c +++ b/fs/cifs/transport.c @@ -410,8 +410,13 @@ static int wait_for_free_request(struct TCP_Server_Info *server, const int timeout, const int optype) { - return wait_for_free_credits(server, timeout, - server->ops->get_credits_field(server, optype)); + int *val; + + val = server->ops->get_credits_field(server, optype); + /* Since an echo is already inflight, no need to wait to send another */ + if (*val <= 0 && optype == CIFS_ECHO_OP) + return -EAGAIN; + return wait_for_free_credits(server, timeout, val); } static int allocate_mid(struct cifs_ses *ses, struct smb_hdr *in_buf, diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c index 1194b1f0f839..f8cde46de9cd 100644 --- a/fs/ext3/namei.c +++ b/fs/ext3/namei.c @@ -1783,7 +1783,7 @@ retry: d_tmpfile(dentry, inode); err = ext3_orphan_add(handle, inode); if (err) - goto err_drop_inode; + goto err_unlock_inode; mark_inode_dirty(inode); unlock_new_inode(inode); } @@ -1791,10 +1791,9 @@ retry: if (err == -ENOSPC && ext3_should_retry_alloc(dir->i_sb, &retries)) goto retry; return err; -err_drop_inode: +err_unlock_inode: ext3_journal_stop(handle); unlock_new_inode(inode); - iput(inode); return err; } diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 0d424d7ac02b..e274e9c1171f 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -2563,7 +2563,7 @@ retry: break; } blk_finish_plug(&plug); - if (!ret && !cycled) { + if (!ret && !cycled && wbc->nr_to_write > 0) { cycled = 1; mpd.last_page = writeback_index - 1; mpd.first_page = 0; diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index 1bec5a5c1e45..5a0408d7b114 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -2319,7 +2319,7 @@ retry: d_tmpfile(dentry, inode); err = ext4_orphan_add(handle, inode); if (err) - goto err_drop_inode; + goto err_unlock_inode; mark_inode_dirty(inode); unlock_new_inode(inode); } @@ -2328,10 +2328,9 @@ retry: if (err == -ENOSPC && ext4_should_retry_alloc(dir->i_sb, &retries)) goto retry; return err; -err_drop_inode: +err_unlock_inode: ext4_journal_stop(handle); unlock_new_inode(inode); - iput(inode); return err; } diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c index c081e34f717f..03e9bebba198 100644 --- a/fs/ext4/xattr.c +++ b/fs/ext4/xattr.c @@ -1350,6 +1350,8 @@ retry: s_min_extra_isize) { tried_min_extra_isize++; new_extra_isize = s_min_extra_isize; + kfree(is); is = NULL; + kfree(bs); bs = NULL; goto retry; } error = -1; diff --git a/fs/proc/inode.c b/fs/proc/inode.c index 9f8ef9b7674d..8eaa1ba793fc 100644 --- a/fs/proc/inode.c +++ b/fs/proc/inode.c @@ -288,10 +288,14 @@ static int proc_reg_mmap(struct file *file, struct vm_area_struct *vma) static unsigned long proc_reg_get_unmapped_area(struct file *file, unsigned long orig_addr, unsigned long len, unsigned long pgoff, unsigned long flags) { struct proc_dir_entry *pde = PDE(file_inode(file)); - int rv = -EIO; - unsigned long (*get_unmapped_area)(struct file *, unsigned long, unsigned long, unsigned long, unsigned long); + unsigned long rv = -EIO; + unsigned long (*get_unmapped_area)(struct file *, unsigned long, unsigned long, unsigned long, unsigned long) = NULL; if (use_pde(pde)) { - get_unmapped_area = pde->proc_fops->get_unmapped_area; +#ifdef CONFIG_MMU + get_unmapped_area = current->mm->get_unmapped_area; +#endif + if (pde->proc_fops->get_unmapped_area) + get_unmapped_area = pde->proc_fops->get_unmapped_area; if (get_unmapped_area) rv = get_unmapped_area(file, orig_addr, len, pgoff, flags); unuse_pde(pde); diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index 7366e9d63cee..390bdab01c3c 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -941,6 +941,8 @@ static void pte_to_pagemap_entry(pagemap_entry_t *pme, struct pagemapread *pm, frame = pte_pfn(pte); flags = PM_PRESENT; page = vm_normal_page(vma, addr, pte); + if (pte_soft_dirty(pte)) + flags2 |= __PM_SOFT_DIRTY; } else if (is_swap_pte(pte)) { swp_entry_t entry; if (pte_swp_soft_dirty(pte)) @@ -960,7 +962,7 @@ static void pte_to_pagemap_entry(pagemap_entry_t *pme, struct pagemapread *pm, if (page && !PageAnon(page)) flags |= PM_FILE; - if ((vma->vm_flags & VM_SOFTDIRTY) || pte_soft_dirty(pte)) + if ((vma->vm_flags & VM_SOFTDIRTY)) flags2 |= __PM_SOFT_DIRTY; *pme = make_pme(PM_PFRAME(frame) | PM_STATUS2(pm->v2, flags2) | flags); diff --git a/fs/statfs.c b/fs/statfs.c index c219e733f553..083dc0ac9140 100644 --- a/fs/statfs.c +++ b/fs/statfs.c @@ -94,7 +94,7 @@ retry: int fd_statfs(int fd, struct kstatfs *st) { - struct fd f = fdget(fd); + struct fd f = fdget_raw(fd); int error = -EBADF; if (f.file) { error = vfs_statfs(&f.file->f_path, st); diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index 02e113bb8b7d..d9019821aa60 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -311,7 +311,6 @@ struct acpi_device { unsigned int physical_node_count; struct list_head physical_node_list; struct mutex physical_node_lock; - struct list_head power_dependent; void (*remove)(struct acpi_device *); }; @@ -456,8 +455,6 @@ acpi_status acpi_add_pm_notifier(struct acpi_device *adev, acpi_status acpi_remove_pm_notifier(struct acpi_device *adev, acpi_notify_handler handler); int acpi_pm_device_sleep_state(struct device *, int *, int); -void acpi_dev_pm_add_dependent(acpi_handle handle, struct device *depdev); -void acpi_dev_pm_remove_dependent(acpi_handle handle, struct device *depdev); #else static inline acpi_status acpi_add_pm_notifier(struct acpi_device *adev, acpi_notify_handler handler, @@ -478,10 +475,6 @@ static inline int acpi_pm_device_sleep_state(struct device *d, int *p, int m) return (m >= ACPI_STATE_D0 && m <= ACPI_STATE_D3_COLD) ? m : ACPI_STATE_D0; } -static inline void acpi_dev_pm_add_dependent(acpi_handle handle, - struct device *depdev) {} -static inline void acpi_dev_pm_remove_dependent(acpi_handle handle, - struct device *depdev) {} #endif #ifdef CONFIG_PM_RUNTIME diff --git a/include/dt-bindings/pinctrl/omap.h b/include/dt-bindings/pinctrl/omap.h index edbd250809cb..bed35e36fd27 100644 --- a/include/dt-bindings/pinctrl/omap.h +++ b/include/dt-bindings/pinctrl/omap.h @@ -23,7 +23,7 @@ #define PULL_UP (1 << 4) #define ALTELECTRICALSEL (1 << 5) -/* 34xx specific mux bit defines */ +/* omap3/4/5 specific mux bit defines */ #define INPUT_EN (1 << 8) #define OFF_EN (1 << 9) #define OFFOUT_EN (1 << 10) @@ -31,8 +31,6 @@ #define OFF_PULL_EN (1 << 12) #define OFF_PULL_UP (1 << 13) #define WAKEUP_EN (1 << 14) - -/* 44xx specific mux bit defines */ #define WAKEUP_EVENT (1 << 15) /* Active pin states */ diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h index 842de225055f..ded429966c1f 100644 --- a/include/linux/compiler-gcc4.h +++ b/include/linux/compiler-gcc4.h @@ -65,6 +65,21 @@ #define __visible __attribute__((externally_visible)) #endif +/* + * GCC 'asm goto' miscompiles certain code sequences: + * + * http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670 + * + * Work it around via a compiler barrier quirk suggested by Jakub Jelinek. + * Fixed in GCC 4.8.2 and later versions. + * + * (asm goto is automatically volatile - the naming reflects this.) + */ +#if GCC_VERSION <= 40801 +# define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0) +#else +# define asm_volatile_goto(x...) do { asm goto(x); } while (0) +#endif #ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP #if GCC_VERSION >= 40400 diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index ecc82b37c4cc..b3e7a667e03c 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -137,47 +137,24 @@ extern void mem_cgroup_print_oom_info(struct mem_cgroup *memcg, extern void mem_cgroup_replace_page_cache(struct page *oldpage, struct page *newpage); -/** - * mem_cgroup_toggle_oom - toggle the memcg OOM killer for the current task - * @new: true to enable, false to disable - * - * Toggle whether a failed memcg charge should invoke the OOM killer - * or just return -ENOMEM. Returns the previous toggle state. - * - * NOTE: Any path that enables the OOM killer before charging must - * call mem_cgroup_oom_synchronize() afterward to finalize the - * OOM handling and clean up. - */ -static inline bool mem_cgroup_toggle_oom(bool new) +static inline void mem_cgroup_oom_enable(void) { - bool old; - - old = current->memcg_oom.may_oom; - current->memcg_oom.may_oom = new; - - return old; + WARN_ON(current->memcg_oom.may_oom); + current->memcg_oom.may_oom = 1; } -static inline void mem_cgroup_enable_oom(void) +static inline void mem_cgroup_oom_disable(void) { - bool old = mem_cgroup_toggle_oom(true); - - WARN_ON(old == true); -} - -static inline void mem_cgroup_disable_oom(void) -{ - bool old = mem_cgroup_toggle_oom(false); - - WARN_ON(old == false); + WARN_ON(!current->memcg_oom.may_oom); + current->memcg_oom.may_oom = 0; } static inline bool task_in_memcg_oom(struct task_struct *p) { - return p->memcg_oom.in_memcg_oom; + return p->memcg_oom.memcg; } -bool mem_cgroup_oom_synchronize(void); +bool mem_cgroup_oom_synchronize(bool wait); #ifdef CONFIG_MEMCG_SWAP extern int do_swap_account; @@ -402,16 +379,11 @@ static inline void mem_cgroup_end_update_page_stat(struct page *page, { } -static inline bool mem_cgroup_toggle_oom(bool new) -{ - return false; -} - -static inline void mem_cgroup_enable_oom(void) +static inline void mem_cgroup_oom_enable(void) { } -static inline void mem_cgroup_disable_oom(void) +static inline void mem_cgroup_oom_disable(void) { } @@ -420,7 +392,7 @@ static inline bool task_in_memcg_oom(struct task_struct *p) return false; } -static inline bool mem_cgroup_oom_synchronize(void) +static inline bool mem_cgroup_oom_synchronize(bool wait) { return false; } diff --git a/include/linux/mfd/core.h b/include/linux/mfd/core.h index cebe97ee98b8..7314fc4e6d25 100644 --- a/include/linux/mfd/core.h +++ b/include/linux/mfd/core.h @@ -59,6 +59,12 @@ struct mfd_cell { * pm_runtime_no_callbacks(). */ bool pm_runtime_no_callbacks; + + /* A list of regulator supplies that should be mapped to the MFD + * device rather than the child device when requested + */ + const char **parent_supplies; + int num_parent_supplies; }; /* diff --git a/include/linux/miscdevice.h b/include/linux/miscdevice.h index 09c2300ddb37..cb358355ef43 100644 --- a/include/linux/miscdevice.h +++ b/include/linux/miscdevice.h @@ -45,6 +45,7 @@ #define MAPPER_CTRL_MINOR 236 #define LOOP_CTRL_MINOR 237 #define VHOST_NET_MINOR 238 +#define UHID_MINOR 239 #define MISC_DYNAMIC_MINOR 255 struct device; diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h index 68029b30c3dc..5eb4e31af22b 100644 --- a/include/linux/mlx5/device.h +++ b/include/linux/mlx5/device.h @@ -181,7 +181,7 @@ enum { MLX5_DEV_CAP_FLAG_TLP_HINTS = 1LL << 39, MLX5_DEV_CAP_FLAG_SIG_HAND_OVER = 1LL << 40, MLX5_DEV_CAP_FLAG_DCT = 1LL << 41, - MLX5_DEV_CAP_FLAG_CMDIF_CSUM = 1LL << 46, + MLX5_DEV_CAP_FLAG_CMDIF_CSUM = 3LL << 46, }; enum { @@ -417,7 +417,7 @@ struct mlx5_init_seg { struct health_buffer health; __be32 rsvd2[884]; __be32 health_counter; - __be32 rsvd3[1023]; + __be32 rsvd3[1019]; __be64 ieee1588_clk; __be32 ieee1588_clk_type; __be32 clr_intx; diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index 8888381fc150..6b8c496572c8 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -82,7 +82,7 @@ enum { }; enum { - MLX5_MAX_EQ_NAME = 20 + MLX5_MAX_EQ_NAME = 32 }; enum { @@ -747,8 +747,7 @@ static inline u32 mlx5_idx_to_mkey(u32 mkey_idx) enum { MLX5_PROF_MASK_QP_SIZE = (u64)1 << 0, - MLX5_PROF_MASK_CMDIF_CSUM = (u64)1 << 1, - MLX5_PROF_MASK_MR_CACHE = (u64)1 << 2, + MLX5_PROF_MASK_MR_CACHE = (u64)1 << 1, }; enum { @@ -758,7 +757,6 @@ enum { struct mlx5_profile { u64 mask; u32 log_max_qp; - int cmdif_csum; struct { int size; int limit; diff --git a/include/linux/of_reserved_mem.h b/include/linux/of_reserved_mem.h deleted file mode 100644 index c84128255814..000000000000 --- a/include/linux/of_reserved_mem.h +++ /dev/null @@ -1,14 +0,0 @@ -#ifndef __OF_RESERVED_MEM_H -#define __OF_RESERVED_MEM_H - -#ifdef CONFIG_OF_RESERVED_MEM -void of_reserved_mem_device_init(struct device *dev); -void of_reserved_mem_device_release(struct device *dev); -void early_init_dt_scan_reserved_mem(void); -#else -static inline void of_reserved_mem_device_init(struct device *dev) { } -static inline void of_reserved_mem_device_release(struct device *dev) { } -static inline void early_init_dt_scan_reserved_mem(void) { } -#endif - -#endif /* __OF_RESERVED_MEM_H */ diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 866e85c5eb94..c8ba627c1d60 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -294,9 +294,31 @@ struct ring_buffer; */ struct perf_event { #ifdef CONFIG_PERF_EVENTS - struct list_head group_entry; + /* + * entry onto perf_event_context::event_list; + * modifications require ctx->lock + * RCU safe iterations. + */ struct list_head event_entry; + + /* + * XXX: group_entry and sibling_list should be mutually exclusive; + * either you're a sibling on a group, or you're the group leader. + * Rework the code to always use the same list element. + * + * Locked for modification by both ctx->mutex and ctx->lock; holding + * either sufficies for read. + */ + struct list_head group_entry; struct list_head sibling_list; + + /* + * We need storage to track the entries in perf_pmu_migrate_context; we + * cannot use the event_entry because of RCU and we want to keep the + * group in tact which avoids us using the other two entries. + */ + struct list_head migrate_entry; + struct hlist_node hlist_entry; int nr_siblings; int group_flags; diff --git a/include/linux/random.h b/include/linux/random.h index 3b9377d6b7a5..6312dd9ba449 100644 --- a/include/linux/random.h +++ b/include/linux/random.h @@ -17,6 +17,7 @@ extern void add_interrupt_randomness(int irq, int irq_flags); extern void get_random_bytes(void *buf, int nbytes); extern void get_random_bytes_arch(void *buf, int nbytes); void generate_random_uuid(unsigned char uuid_out[16]); +extern int random_int_secret_init(void); #ifndef MODULE extern const struct file_operations random_fops, urandom_fops; diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h index 27be915caa96..e530681bea70 100644 --- a/include/linux/regulator/consumer.h +++ b/include/linux/regulator/consumer.h @@ -146,6 +146,32 @@ struct regulator *__must_check devm_regulator_get_optional(struct device *dev, void regulator_put(struct regulator *regulator); void devm_regulator_put(struct regulator *regulator); +int regulator_register_supply_alias(struct device *dev, const char *id, + struct device *alias_dev, + const char *alias_id); +void regulator_unregister_supply_alias(struct device *dev, const char *id); + +int regulator_bulk_register_supply_alias(struct device *dev, const char **id, + struct device *alias_dev, + const char **alias_id, int num_id); +void regulator_bulk_unregister_supply_alias(struct device *dev, + const char **id, int num_id); + +int devm_regulator_register_supply_alias(struct device *dev, const char *id, + struct device *alias_dev, + const char *alias_id); +void devm_regulator_unregister_supply_alias(struct device *dev, + const char *id); + +int devm_regulator_bulk_register_supply_alias(struct device *dev, + const char **id, + struct device *alias_dev, + const char **alias_id, + int num_id); +void devm_regulator_bulk_unregister_supply_alias(struct device *dev, + const char **id, + int num_id); + /* regulator output control and status */ int __must_check regulator_enable(struct regulator *regulator); int regulator_disable(struct regulator *regulator); @@ -250,6 +276,59 @@ static inline void devm_regulator_put(struct regulator *regulator) { } +static inline int regulator_register_supply_alias(struct device *dev, + const char *id, + struct device *alias_dev, + const char *alias_id) +{ + return 0; +} + +static inline void regulator_unregister_supply_alias(struct device *dev, + const char *id) +{ +} + +static inline int regulator_bulk_register_supply_alias(struct device *dev, + const char **id, + struct device *alias_dev, + const char **alias_id, + int num_id) +{ + return 0; +} + +static inline void regulator_bulk_unregister_supply_alias(struct device *dev, + const char **id, + int num_id) +{ +} + +static inline int devm_regulator_register_supply_alias(struct device *dev, + const char *id, + struct device *alias_dev, + const char *alias_id) +{ + return 0; +} + +static inline void devm_regulator_unregister_supply_alias(struct device *dev, + const char *id) +{ +} + +static inline int devm_regulator_bulk_register_supply_alias( + struct device *dev, const char **id, struct device *alias_dev, + const char **alias_id, int num_id) +{ + return 0; +} + +static inline void devm_regulator_bulk_unregister_supply_alias( + struct device *dev, const char **id, int num_id) +{ +} + static inline int regulator_enable(struct regulator *regulator) { return 0; diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h index 9bdad43ad228..9370e65348a4 100644 --- a/include/linux/regulator/driver.h +++ b/include/linux/regulator/driver.h @@ -46,19 +46,26 @@ enum regulator_status { * regulator_list_linear_range(). * * @min_uV: Lowest voltage in range - * @max_uV: Highest voltage in range * @min_sel: Lowest selector for range * @max_sel: Highest selector for range * @uV_step: Step size */ struct regulator_linear_range { unsigned int min_uV; - unsigned int max_uV; unsigned int min_sel; unsigned int max_sel; unsigned int uV_step; }; +/* Initialize struct regulator_linear_range */ +#define REGULATOR_LINEAR_RANGE(_min_uV, _min_sel, _max_sel, _step_uV) \ +{ \ + .min_uV = _min_uV, \ + .min_sel = _min_sel, \ + .max_sel = _max_sel, \ + .uV_step = _step_uV, \ +} + /** * struct regulator_ops - regulator operations. * @@ -209,6 +216,7 @@ enum regulator_type { * @min_uV: Voltage given by the lowest selector (if linear mapping) * @uV_step: Voltage increase with each selector (if linear mapping) * @linear_min_sel: Minimal selector for starting linear mapping + * @fixed_uV: Fixed voltage of rails. * @ramp_delay: Time to settle down after voltage change (unit: uV/us) * @volt_table: Voltage mapping table (if table based mapping) * @@ -241,6 +249,7 @@ struct regulator_desc { unsigned int min_uV; unsigned int uV_step; unsigned int linear_min_sel; + int fixed_uV; unsigned int ramp_delay; const struct regulator_linear_range *linear_ranges; @@ -336,7 +345,12 @@ struct regulator_dev { struct regulator_dev * regulator_register(const struct regulator_desc *regulator_desc, const struct regulator_config *config); +struct regulator_dev * +devm_regulator_register(struct device *dev, + const struct regulator_desc *regulator_desc, + const struct regulator_config *config); void regulator_unregister(struct regulator_dev *rdev); +void devm_regulator_unregister(struct device *dev, struct regulator_dev *rdev); int regulator_notifier_call_chain(struct regulator_dev *rdev, unsigned long event, void *data); diff --git a/include/linux/regulator/machine.h b/include/linux/regulator/machine.h index 999b20ce06cf..730e638c5589 100644 --- a/include/linux/regulator/machine.h +++ b/include/linux/regulator/machine.h @@ -95,6 +95,7 @@ struct regulator_state { * @initial_state: Suspend state to set by default. * @initial_mode: Mode to set at startup. * @ramp_delay: Time to settle down after voltage change (unit: uV/us) + * @enable_time: Turn-on time of the rails (unit: microseconds) */ struct regulation_constraints { @@ -129,6 +130,7 @@ struct regulation_constraints { unsigned int initial_mode; unsigned int ramp_delay; + unsigned int enable_time; /* constraint flags */ unsigned always_on:1; /* regulator never off when system is on */ @@ -193,15 +195,10 @@ int regulator_suspend_finish(void); #ifdef CONFIG_REGULATOR void regulator_has_full_constraints(void); -void regulator_use_dummy_regulator(void); #else static inline void regulator_has_full_constraints(void) { } - -static inline void regulator_use_dummy_regulator(void) -{ -} #endif #endif diff --git a/include/linux/sched.h b/include/linux/sched.h index 6682da36b293..e27baeeda3f4 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1394,11 +1394,10 @@ struct task_struct { } memcg_batch; unsigned int memcg_kmem_skip_account; struct memcg_oom_info { + struct mem_cgroup *memcg; + gfp_t gfp_mask; + int order; unsigned int may_oom:1; - unsigned int in_memcg_oom:1; - unsigned int oom_locked:1; - int wakeups; - struct mem_cgroup *wait_on_memcg; } memcg_oom; #endif #ifdef CONFIG_UPROBES diff --git a/include/linux/timex.h b/include/linux/timex.h index dd3edd7dfc94..9d3f1a5b6178 100644 --- a/include/linux/timex.h +++ b/include/linux/timex.h @@ -64,6 +64,20 @@ #include <asm/timex.h> +#ifndef random_get_entropy +/* + * The random_get_entropy() function is used by the /dev/random driver + * in order to extract entropy via the relative unpredictability of + * when an interrupt takes places versus a high speed, fine-grained + * timing source or cycle counter. Since it will be occurred on every + * single interrupt, it must have a very low cost/overhead. + * + * By default we use get_cycles() for this purpose, but individual + * architectures may override this in their asm/timex.h header file. + */ +#define random_get_entropy() get_cycles() +#endif + /* * SHIFT_PLL is used as a dampening factor to define how much we * adjust the frequency correction for a given offset in PLL mode. diff --git a/include/linux/usb/usb_phy_gen_xceiv.h b/include/linux/usb/usb_phy_gen_xceiv.h index f9a7e7bc925b..11d85b9c1b08 100644 --- a/include/linux/usb/usb_phy_gen_xceiv.h +++ b/include/linux/usb/usb_phy_gen_xceiv.h @@ -12,7 +12,7 @@ struct usb_phy_gen_xceiv_platform_data { unsigned int needs_reset:1; }; -#if IS_ENABLED(CONFIG_NOP_USB_XCEIV) +#if defined(CONFIG_NOP_USB_XCEIV) || (defined(CONFIG_NOP_USB_XCEIV_MODULE) && defined(MODULE)) /* sometimes transceivers are accessed only through e.g. ULPI */ extern void usb_nop_xceiv_register(void); extern void usb_nop_xceiv_unregister(void); diff --git a/include/linux/usb_usual.h b/include/linux/usb_usual.h index bf99cd01be20..630356866030 100644 --- a/include/linux/usb_usual.h +++ b/include/linux/usb_usual.h @@ -66,7 +66,9 @@ US_FLAG(INITIAL_READ10, 0x00100000) \ /* Initial READ(10) (and others) must be retried */ \ US_FLAG(WRITE_CACHE, 0x00200000) \ - /* Write Cache status is not available */ + /* Write Cache status is not available */ \ + US_FLAG(NEEDS_CAP16, 0x00400000) + /* cannot handle READ_CAPACITY_10 */ #define US_FLAG(name, value) US_FL_##name = value , enum { US_DO_ALL_FLAGS }; diff --git a/include/linux/vgaarb.h b/include/linux/vgaarb.h index 80cf8173a65b..2c02f3a8d2ba 100644 --- a/include/linux/vgaarb.h +++ b/include/linux/vgaarb.h @@ -65,15 +65,8 @@ struct pci_dev; * out of the arbitration process (and can be safe to take * interrupts at any time. */ -#if defined(CONFIG_VGA_ARB) extern void vga_set_legacy_decoding(struct pci_dev *pdev, unsigned int decodes); -#else -static inline void vga_set_legacy_decoding(struct pci_dev *pdev, - unsigned int decodes) -{ -} -#endif /** * vga_get - acquire & locks VGA resources diff --git a/init/main.c b/init/main.c index af310afbef28..63d3e8f2970c 100644 --- a/init/main.c +++ b/init/main.c @@ -76,6 +76,7 @@ #include <linux/elevator.h> #include <linux/sched_clock.h> #include <linux/context_tracking.h> +#include <linux/random.h> #include <asm/io.h> #include <asm/bugs.h> @@ -780,6 +781,7 @@ static void __init do_basic_setup(void) do_ctors(); usermodehelper_enable(); do_initcalls(); + random_int_secret_init(); } static void __init do_pre_smp_initcalls(void) diff --git a/ipc/sem.c b/ipc/sem.c index 8c4f59b0204a..db9d241af133 100644 --- a/ipc/sem.c +++ b/ipc/sem.c @@ -1282,6 +1282,12 @@ static int semctl_setval(struct ipc_namespace *ns, int semid, int semnum, sem_lock(sma, NULL, -1); + if (sma->sem_perm.deleted) { + sem_unlock(sma, -1); + rcu_read_unlock(); + return -EIDRM; + } + curr = &sma->sem_base[semnum]; ipc_assert_locked_object(&sma->sem_perm); @@ -1336,12 +1342,14 @@ static int semctl_main(struct ipc_namespace *ns, int semid, int semnum, int i; sem_lock(sma, NULL, -1); + if (sma->sem_perm.deleted) { + err = -EIDRM; + goto out_unlock; + } if(nsems > SEMMSL_FAST) { if (!ipc_rcu_getref(sma)) { - sem_unlock(sma, -1); - rcu_read_unlock(); err = -EIDRM; - goto out_free; + goto out_unlock; } sem_unlock(sma, -1); rcu_read_unlock(); @@ -1354,10 +1362,8 @@ static int semctl_main(struct ipc_namespace *ns, int semid, int semnum, rcu_read_lock(); sem_lock_and_putref(sma); if (sma->sem_perm.deleted) { - sem_unlock(sma, -1); - rcu_read_unlock(); err = -EIDRM; - goto out_free; + goto out_unlock; } } for (i = 0; i < sma->sem_nsems; i++) @@ -1375,8 +1381,8 @@ static int semctl_main(struct ipc_namespace *ns, int semid, int semnum, struct sem_undo *un; if (!ipc_rcu_getref(sma)) { - rcu_read_unlock(); - return -EIDRM; + err = -EIDRM; + goto out_rcu_wakeup; } rcu_read_unlock(); @@ -1404,10 +1410,8 @@ static int semctl_main(struct ipc_namespace *ns, int semid, int semnum, rcu_read_lock(); sem_lock_and_putref(sma); if (sma->sem_perm.deleted) { - sem_unlock(sma, -1); - rcu_read_unlock(); err = -EIDRM; - goto out_free; + goto out_unlock; } for (i = 0; i < nsems; i++) @@ -1431,6 +1435,10 @@ static int semctl_main(struct ipc_namespace *ns, int semid, int semnum, goto out_rcu_wakeup; sem_lock(sma, NULL, -1); + if (sma->sem_perm.deleted) { + err = -EIDRM; + goto out_unlock; + } curr = &sma->sem_base[semnum]; switch (cmd) { @@ -1836,6 +1844,10 @@ SYSCALL_DEFINE4(semtimedop, int, semid, struct sembuf __user *, tsops, if (error) goto out_rcu_wakeup; + error = -EIDRM; + locknum = sem_lock(sma, sops, nsops); + if (sma->sem_perm.deleted) + goto out_unlock_free; /* * semid identifiers are not unique - find_alloc_undo may have * allocated an undo structure, it was invalidated by an RMID @@ -1843,8 +1855,6 @@ SYSCALL_DEFINE4(semtimedop, int, semid, struct sembuf __user *, tsops, * This case can be detected checking un->semid. The existence of * "un" itself is guaranteed by rcu. */ - error = -EIDRM; - locknum = sem_lock(sma, sops, nsops); if (un && un->semid == -1) goto out_unlock_free; @@ -2057,6 +2067,12 @@ void exit_sem(struct task_struct *tsk) } sem_lock(sma, NULL, -1); + /* exit_sem raced with IPC_RMID, nothing to do */ + if (sma->sem_perm.deleted) { + sem_unlock(sma, -1); + rcu_read_unlock(); + continue; + } un = __lookup_undo(ulp, semid); if (un == NULL) { /* exit_sem raced with IPC_RMID+semget() that created diff --git a/ipc/util.c b/ipc/util.c index fdb8ae740775..7684f41bce76 100644 --- a/ipc/util.c +++ b/ipc/util.c @@ -17,12 +17,27 @@ * Pavel Emelianov <xemul@openvz.org> * * General sysv ipc locking scheme: - * when doing ipc id lookups, take the ids->rwsem - * rcu_read_lock() - * obtain the ipc object (kern_ipc_perm) - * perform security, capabilities, auditing and permission checks, etc. - * acquire the ipc lock (kern_ipc_perm.lock) throught ipc_lock_object() - * perform data updates (ie: SET, RMID, LOCK/UNLOCK commands) + * rcu_read_lock() + * obtain the ipc object (kern_ipc_perm) by looking up the id in an idr + * tree. + * - perform initial checks (capabilities, auditing and permission, + * etc). + * - perform read-only operations, such as STAT, INFO commands. + * acquire the ipc lock (kern_ipc_perm.lock) through + * ipc_lock_object() + * - perform data updates, such as SET, RMID commands and + * mechanism-specific operations (semop/semtimedop, + * msgsnd/msgrcv, shmat/shmdt). + * drop the ipc lock, through ipc_unlock_object(). + * rcu_read_unlock() + * + * The ids->rwsem must be taken when: + * - creating, removing and iterating the existing entries in ipc + * identifier sets. + * - iterating through files under /proc/sysvipc/ + * + * Note that sems have a special fast path that avoids kern_ipc_perm.lock - + * see sem_lock(). */ #include <linux/mm.h> diff --git a/kernel/events/core.c b/kernel/events/core.c index cb4238e85b38..d49a9d29334c 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -7234,15 +7234,15 @@ void perf_pmu_migrate_context(struct pmu *pmu, int src_cpu, int dst_cpu) perf_remove_from_context(event); unaccount_event_cpu(event, src_cpu); put_ctx(src_ctx); - list_add(&event->event_entry, &events); + list_add(&event->migrate_entry, &events); } mutex_unlock(&src_ctx->mutex); synchronize_rcu(); mutex_lock(&dst_ctx->mutex); - list_for_each_entry_safe(event, tmp, &events, event_entry) { - list_del(&event->event_entry); + list_for_each_entry_safe(event, tmp, &events, migrate_entry) { + list_del(&event->migrate_entry); if (event->state >= PERF_EVENT_STATE_OFF) event->state = PERF_EVENT_STATE_INACTIVE; account_event_cpu(event, dst_cpu); diff --git a/lib/kobject.c b/lib/kobject.c index 669bf190d4fb..084f7b18d0c0 100644 --- a/lib/kobject.c +++ b/lib/kobject.c @@ -592,7 +592,7 @@ static void kobject_release(struct kref *kref) { struct kobject *kobj = container_of(kref, struct kobject, kref); #ifdef CONFIG_DEBUG_KOBJECT_RELEASE - pr_debug("kobject: '%s' (%p): %s, parent %p (delayed)\n", + pr_info("kobject: '%s' (%p): %s, parent %p (delayed)\n", kobject_name(kobj), kobj, __func__, kobj->parent); INIT_DELAYED_WORK(&kobj->release, kobject_delayed_cleanup); schedule_delayed_work(&kobj->release, HZ); diff --git a/lib/percpu-refcount.c b/lib/percpu-refcount.c index 7deeb6297a48..1a53d497a8c5 100644 --- a/lib/percpu-refcount.c +++ b/lib/percpu-refcount.c @@ -53,6 +53,7 @@ int percpu_ref_init(struct percpu_ref *ref, percpu_ref_func_t *release) ref->release = release; return 0; } +EXPORT_SYMBOL_GPL(percpu_ref_init); /** * percpu_ref_cancel_init - cancel percpu_ref_init() @@ -84,6 +85,7 @@ void percpu_ref_cancel_init(struct percpu_ref *ref) free_percpu(ref->pcpu_count); } } +EXPORT_SYMBOL_GPL(percpu_ref_cancel_init); static void percpu_ref_kill_rcu(struct rcu_head *rcu) { @@ -156,3 +158,4 @@ void percpu_ref_kill_and_confirm(struct percpu_ref *ref, call_rcu_sched(&ref->rcu, percpu_ref_kill_rcu); } +EXPORT_SYMBOL_GPL(percpu_ref_kill_and_confirm); diff --git a/mm/filemap.c b/mm/filemap.c index 1e6aec4a2d2e..ae4846ff4849 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -1616,7 +1616,6 @@ int filemap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) struct inode *inode = mapping->host; pgoff_t offset = vmf->pgoff; struct page *page; - bool memcg_oom; pgoff_t size; int ret = 0; @@ -1625,11 +1624,7 @@ int filemap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) return VM_FAULT_SIGBUS; /* - * Do we have something in the page cache already? Either - * way, try readahead, but disable the memcg OOM killer for it - * as readahead is optional and no errors are propagated up - * the fault stack. The OOM killer is enabled while trying to - * instantiate the faulting page individually below. + * Do we have something in the page cache already? */ page = find_get_page(mapping, offset); if (likely(page) && !(vmf->flags & FAULT_FLAG_TRIED)) { @@ -1637,14 +1632,10 @@ int filemap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) * We found the page, so try async readahead before * waiting for the lock. */ - memcg_oom = mem_cgroup_toggle_oom(false); do_async_mmap_readahead(vma, ra, file, page, offset); - mem_cgroup_toggle_oom(memcg_oom); } else if (!page) { /* No page in the page cache at all */ - memcg_oom = mem_cgroup_toggle_oom(false); do_sync_mmap_readahead(vma, ra, file, offset); - mem_cgroup_toggle_oom(memcg_oom); count_vm_event(PGMAJFAULT); mem_cgroup_count_vm_event(vma->vm_mm, PGMAJFAULT); ret = VM_FAULT_MAJOR; diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 7489884682d8..610e3df2768a 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -2697,6 +2697,7 @@ void __split_huge_page_pmd(struct vm_area_struct *vma, unsigned long address, mmun_start = haddr; mmun_end = haddr + HPAGE_PMD_SIZE; +again: mmu_notifier_invalidate_range_start(mm, mmun_start, mmun_end); spin_lock(&mm->page_table_lock); if (unlikely(!pmd_trans_huge(*pmd))) { @@ -2719,7 +2720,14 @@ void __split_huge_page_pmd(struct vm_area_struct *vma, unsigned long address, split_huge_page(page); put_page(page); - BUG_ON(pmd_trans_huge(*pmd)); + + /* + * We don't always have down_write of mmap_sem here: a racing + * do_huge_pmd_wp_page() might have copied-on-write to another + * huge page before our split_huge_page() got the anon_vma lock. + */ + if (unlikely(pmd_trans_huge(*pmd))) + goto again; } void split_huge_page_pmd_mm(struct mm_struct *mm, unsigned long address, diff --git a/mm/hugetlb.c b/mm/hugetlb.c index b49579c7f2a5..0b7656e804d1 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -653,6 +653,7 @@ static void free_huge_page(struct page *page) BUG_ON(page_count(page)); BUG_ON(page_mapcount(page)); restore_reserve = PagePrivate(page); + ClearPagePrivate(page); spin_lock(&hugetlb_lock); hugetlb_cgroup_uncharge_page(hstate_index(h), @@ -695,8 +696,22 @@ static void prep_compound_gigantic_page(struct page *page, unsigned long order) /* we rely on prep_new_huge_page to set the destructor */ set_compound_order(page, order); __SetPageHead(page); + __ClearPageReserved(page); for (i = 1; i < nr_pages; i++, p = mem_map_next(p, page, i)) { __SetPageTail(p); + /* + * For gigantic hugepages allocated through bootmem at + * boot, it's safer to be consistent with the not-gigantic + * hugepages and clear the PG_reserved bit from all tail pages + * too. Otherwse drivers using get_user_pages() to access tail + * pages may get the reference counting wrong if they see + * PG_reserved set on a tail page (despite the head page not + * having PG_reserved set). Enforcing this consistency between + * head and tail pages allows drivers to optimize away a check + * on the head page when they need know if put_page() is needed + * after get_user_pages(). + */ + __ClearPageReserved(p); set_page_count(p, 0); p->first_page = page; } @@ -1329,9 +1344,9 @@ static void __init gather_bootmem_prealloc(void) #else page = virt_to_page(m); #endif - __ClearPageReserved(page); WARN_ON(page_count(page) != 1); prep_compound_huge_page(page, h->order); + WARN_ON(PageReserved(page)); prep_new_huge_page(h, page, page_to_nid(page)); /* * If we had gigantic hugepages allocated at boot time, we need diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 1c52ddbc839b..34d3ca9572d6 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -866,6 +866,7 @@ static unsigned long mem_cgroup_read_events(struct mem_cgroup *memcg, unsigned long val = 0; int cpu; + get_online_cpus(); for_each_online_cpu(cpu) val += per_cpu(memcg->stat->events[idx], cpu); #ifdef CONFIG_HOTPLUG_CPU @@ -873,6 +874,7 @@ static unsigned long mem_cgroup_read_events(struct mem_cgroup *memcg, val += memcg->nocpu_base.events[idx]; spin_unlock(&memcg->pcp_counter_lock); #endif + put_online_cpus(); return val; } @@ -2159,110 +2161,59 @@ static void memcg_oom_recover(struct mem_cgroup *memcg) memcg_wakeup_oom(memcg); } -/* - * try to call OOM killer - */ static void mem_cgroup_oom(struct mem_cgroup *memcg, gfp_t mask, int order) { - bool locked; - int wakeups; - if (!current->memcg_oom.may_oom) return; - - current->memcg_oom.in_memcg_oom = 1; - /* - * As with any blocking lock, a contender needs to start - * listening for wakeups before attempting the trylock, - * otherwise it can miss the wakeup from the unlock and sleep - * indefinitely. This is just open-coded because our locking - * is so particular to memcg hierarchies. + * We are in the middle of the charge context here, so we + * don't want to block when potentially sitting on a callstack + * that holds all kinds of filesystem and mm locks. + * + * Also, the caller may handle a failed allocation gracefully + * (like optional page cache readahead) and so an OOM killer + * invocation might not even be necessary. + * + * That's why we don't do anything here except remember the + * OOM context and then deal with it at the end of the page + * fault when the stack is unwound, the locks are released, + * and when we know whether the fault was overall successful. */ - wakeups = atomic_read(&memcg->oom_wakeups); - mem_cgroup_mark_under_oom(memcg); - - locked = mem_cgroup_oom_trylock(memcg); - - if (locked) - mem_cgroup_oom_notify(memcg); - - if (locked && !memcg->oom_kill_disable) { - mem_cgroup_unmark_under_oom(memcg); - mem_cgroup_out_of_memory(memcg, mask, order); - mem_cgroup_oom_unlock(memcg); - /* - * There is no guarantee that an OOM-lock contender - * sees the wakeups triggered by the OOM kill - * uncharges. Wake any sleepers explicitely. - */ - memcg_oom_recover(memcg); - } else { - /* - * A system call can just return -ENOMEM, but if this - * is a page fault and somebody else is handling the - * OOM already, we need to sleep on the OOM waitqueue - * for this memcg until the situation is resolved. - * Which can take some time because it might be - * handled by a userspace task. - * - * However, this is the charge context, which means - * that we may sit on a large call stack and hold - * various filesystem locks, the mmap_sem etc. and we - * don't want the OOM handler to deadlock on them - * while we sit here and wait. Store the current OOM - * context in the task_struct, then return -ENOMEM. - * At the end of the page fault handler, with the - * stack unwound, pagefault_out_of_memory() will check - * back with us by calling - * mem_cgroup_oom_synchronize(), possibly putting the - * task to sleep. - */ - current->memcg_oom.oom_locked = locked; - current->memcg_oom.wakeups = wakeups; - css_get(&memcg->css); - current->memcg_oom.wait_on_memcg = memcg; - } + css_get(&memcg->css); + current->memcg_oom.memcg = memcg; + current->memcg_oom.gfp_mask = mask; + current->memcg_oom.order = order; } /** * mem_cgroup_oom_synchronize - complete memcg OOM handling + * @handle: actually kill/wait or just clean up the OOM state * - * This has to be called at the end of a page fault if the the memcg - * OOM handler was enabled and the fault is returning %VM_FAULT_OOM. + * This has to be called at the end of a page fault if the memcg OOM + * handler was enabled. * - * Memcg supports userspace OOM handling, so failed allocations must + * Memcg supports userspace OOM handling where failed allocations must * sleep on a waitqueue until the userspace task resolves the * situation. Sleeping directly in the charge context with all kinds * of locks held is not a good idea, instead we remember an OOM state * in the task and mem_cgroup_oom_synchronize() has to be called at - * the end of the page fault to put the task to sleep and clean up the - * OOM state. + * the end of the page fault to complete the OOM handling. * * Returns %true if an ongoing memcg OOM situation was detected and - * finalized, %false otherwise. + * completed, %false otherwise. */ -bool mem_cgroup_oom_synchronize(void) +bool mem_cgroup_oom_synchronize(bool handle) { + struct mem_cgroup *memcg = current->memcg_oom.memcg; struct oom_wait_info owait; - struct mem_cgroup *memcg; + bool locked; /* OOM is global, do not handle */ - if (!current->memcg_oom.in_memcg_oom) - return false; - - /* - * We invoked the OOM killer but there is a chance that a kill - * did not free up any charges. Everybody else might already - * be sleeping, so restart the fault and keep the rampage - * going until some charges are released. - */ - memcg = current->memcg_oom.wait_on_memcg; if (!memcg) - goto out; + return false; - if (test_thread_flag(TIF_MEMDIE) || fatal_signal_pending(current)) - goto out_memcg; + if (!handle) + goto cleanup; owait.memcg = memcg; owait.wait.flags = 0; @@ -2271,13 +2222,25 @@ bool mem_cgroup_oom_synchronize(void) INIT_LIST_HEAD(&owait.wait.task_list); prepare_to_wait(&memcg_oom_waitq, &owait.wait, TASK_KILLABLE); - /* Only sleep if we didn't miss any wakeups since OOM */ - if (atomic_read(&memcg->oom_wakeups) == current->memcg_oom.wakeups) + mem_cgroup_mark_under_oom(memcg); + + locked = mem_cgroup_oom_trylock(memcg); + + if (locked) + mem_cgroup_oom_notify(memcg); + + if (locked && !memcg->oom_kill_disable) { + mem_cgroup_unmark_under_oom(memcg); + finish_wait(&memcg_oom_waitq, &owait.wait); + mem_cgroup_out_of_memory(memcg, current->memcg_oom.gfp_mask, + current->memcg_oom.order); + } else { schedule(); - finish_wait(&memcg_oom_waitq, &owait.wait); -out_memcg: - mem_cgroup_unmark_under_oom(memcg); - if (current->memcg_oom.oom_locked) { + mem_cgroup_unmark_under_oom(memcg); + finish_wait(&memcg_oom_waitq, &owait.wait); + } + + if (locked) { mem_cgroup_oom_unlock(memcg); /* * There is no guarantee that an OOM-lock contender @@ -2286,10 +2249,9 @@ out_memcg: */ memcg_oom_recover(memcg); } +cleanup: + current->memcg_oom.memcg = NULL; css_put(&memcg->css); - current->memcg_oom.wait_on_memcg = NULL; -out: - current->memcg_oom.in_memcg_oom = 0; return true; } @@ -2703,6 +2665,9 @@ static int __mem_cgroup_try_charge(struct mm_struct *mm, || fatal_signal_pending(current))) goto bypass; + if (unlikely(task_in_memcg_oom(current))) + goto bypass; + /* * We always charge the cgroup the mm_struct belongs to. * The mm_struct's mem_cgroup changes on task migration if the @@ -2801,6 +2766,8 @@ done: return 0; nomem: *ptr = NULL; + if (gfp_mask & __GFP_NOFAIL) + return 0; return -ENOMEM; bypass: *ptr = root_mem_cgroup; diff --git a/mm/memory.c b/mm/memory.c index ca0003947115..1311f26497e6 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -837,6 +837,8 @@ copy_one_pte(struct mm_struct *dst_mm, struct mm_struct *src_mm, */ make_migration_entry_read(&entry); pte = swp_entry_to_pte(entry); + if (pte_swp_soft_dirty(*src_pte)) + pte = pte_swp_mksoft_dirty(pte); set_pte_at(src_mm, addr, src_pte, pte); } } @@ -3863,15 +3865,21 @@ int handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma, * space. Kernel faults are handled more gracefully. */ if (flags & FAULT_FLAG_USER) - mem_cgroup_enable_oom(); + mem_cgroup_oom_enable(); ret = __handle_mm_fault(mm, vma, address, flags); - if (flags & FAULT_FLAG_USER) - mem_cgroup_disable_oom(); - - if (WARN_ON(task_in_memcg_oom(current) && !(ret & VM_FAULT_OOM))) - mem_cgroup_oom_synchronize(); + if (flags & FAULT_FLAG_USER) { + mem_cgroup_oom_disable(); + /* + * The task may have entered a memcg OOM situation but + * if the allocation error was handled gracefully (no + * VM_FAULT_OOM), there is no need to kill anything. + * Just clean up the OOM state peacefully. + */ + if (task_in_memcg_oom(current) && !(ret & VM_FAULT_OOM)) + mem_cgroup_oom_synchronize(false); + } return ret; } diff --git a/mm/migrate.c b/mm/migrate.c index a26bccd44ccb..7a7325ee1d08 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -161,6 +161,8 @@ static int remove_migration_pte(struct page *new, struct vm_area_struct *vma, get_page(new); pte = pte_mkold(mk_pte(new, vma->vm_page_prot)); + if (pte_swp_soft_dirty(*ptep)) + pte = pte_mksoft_dirty(pte); if (is_write_migration_entry(entry)) pte = pte_mkwrite(pte); #ifdef CONFIG_HUGETLB_PAGE diff --git a/mm/mprotect.c b/mm/mprotect.c index 94722a4d6b43..a3af058f68e4 100644 --- a/mm/mprotect.c +++ b/mm/mprotect.c @@ -94,13 +94,16 @@ static unsigned long change_pte_range(struct vm_area_struct *vma, pmd_t *pmd, swp_entry_t entry = pte_to_swp_entry(oldpte); if (is_write_migration_entry(entry)) { + pte_t newpte; /* * A protection check is difficult so * just be safe and disable write */ make_migration_entry_read(&entry); - set_pte_at(mm, addr, pte, - swp_entry_to_pte(entry)); + newpte = swp_entry_to_pte(entry); + if (pte_swp_soft_dirty(oldpte)) + newpte = pte_swp_mksoft_dirty(newpte); + set_pte_at(mm, addr, pte, newpte); } pages++; } diff --git a/mm/mremap.c b/mm/mremap.c index 91b13d6a16d4..0843feb66f3d 100644 --- a/mm/mremap.c +++ b/mm/mremap.c @@ -25,7 +25,6 @@ #include <asm/uaccess.h> #include <asm/cacheflush.h> #include <asm/tlbflush.h> -#include <asm/pgalloc.h> #include "internal.h" @@ -63,10 +62,8 @@ static pmd_t *alloc_new_pmd(struct mm_struct *mm, struct vm_area_struct *vma, return NULL; pmd = pmd_alloc(mm, pud, addr); - if (!pmd) { - pud_free(mm, pud); + if (!pmd) return NULL; - } VM_BUG_ON(pmd_trans_huge(*pmd)); diff --git a/mm/oom_kill.c b/mm/oom_kill.c index 314e9d274381..6738c47f1f72 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -680,7 +680,7 @@ void pagefault_out_of_memory(void) { struct zonelist *zonelist; - if (mem_cgroup_oom_synchronize()) + if (mem_cgroup_oom_synchronize(true)) return; zonelist = node_zonelist(first_online_node, GFP_KERNEL); diff --git a/mm/page-writeback.c b/mm/page-writeback.c index f5236f804aa6..63807583d8e8 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -1210,11 +1210,11 @@ static unsigned long dirty_poll_interval(unsigned long dirty, return 1; } -static long bdi_max_pause(struct backing_dev_info *bdi, - unsigned long bdi_dirty) +static unsigned long bdi_max_pause(struct backing_dev_info *bdi, + unsigned long bdi_dirty) { - long bw = bdi->avg_write_bandwidth; - long t; + unsigned long bw = bdi->avg_write_bandwidth; + unsigned long t; /* * Limit pause time for small memory systems. If sleeping for too long @@ -1226,7 +1226,7 @@ static long bdi_max_pause(struct backing_dev_info *bdi, t = bdi_dirty / (1 + bw / roundup_pow_of_two(1 + HZ / 8)); t++; - return min_t(long, t, MAX_PAUSE); + return min_t(unsigned long, t, MAX_PAUSE); } static long bdi_min_pause(struct backing_dev_info *bdi, diff --git a/mm/slab_common.c b/mm/slab_common.c index a3443278ce3a..e2e98af703ea 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -56,6 +56,7 @@ static int kmem_cache_sanity_check(struct mem_cgroup *memcg, const char *name, continue; } +#if !defined(CONFIG_SLUB) || !defined(CONFIG_SLUB_DEBUG_ON) /* * For simplicity, we won't check this in the list of memcg * caches. We have control over memcg naming, and if there @@ -69,6 +70,7 @@ static int kmem_cache_sanity_check(struct mem_cgroup *memcg, const char *name, s = NULL; return -EINVAL; } +#endif } WARN_ON(strchr(name, ' ')); /* It confuses parsers */ diff --git a/mm/swapfile.c b/mm/swapfile.c index 3963fc24fcc1..de7c904e52e5 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -1824,6 +1824,7 @@ SYSCALL_DEFINE1(swapoff, const char __user *, specialfile) struct filename *pathname; int i, type, prev; int err; + unsigned int old_block_size; if (!capable(CAP_SYS_ADMIN)) return -EPERM; @@ -1914,6 +1915,7 @@ SYSCALL_DEFINE1(swapoff, const char __user *, specialfile) } swap_file = p->swap_file; + old_block_size = p->old_block_size; p->swap_file = NULL; p->max = 0; swap_map = p->swap_map; @@ -1938,7 +1940,7 @@ SYSCALL_DEFINE1(swapoff, const char __user *, specialfile) inode = mapping->host; if (S_ISBLK(inode->i_mode)) { struct block_device *bdev = I_BDEV(inode); - set_blocksize(bdev, p->old_block_size); + set_blocksize(bdev, old_block_size); blkdev_put(bdev, FMODE_READ | FMODE_WRITE | FMODE_EXCL); } else { mutex_lock(&inode->i_mutex); diff --git a/mm/vmscan.c b/mm/vmscan.c index 53f2f82f83ae..eea668d9cff6 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -211,6 +211,7 @@ void unregister_shrinker(struct shrinker *shrinker) down_write(&shrinker_rwsem); list_del(&shrinker->list); up_write(&shrinker_rwsem); + kfree(shrinker->nr_deferred); } EXPORT_SYMBOL(unregister_shrinker); diff --git a/mm/zswap.c b/mm/zswap.c index 841e35f1db22..d93510c6aa2d 100644 --- a/mm/zswap.c +++ b/mm/zswap.c @@ -804,6 +804,10 @@ static void zswap_frontswap_invalidate_area(unsigned type) } tree->rbroot = RB_ROOT; spin_unlock(&tree->lock); + + zbud_destroy_pool(tree->pool); + kfree(tree); + zswap_trees[type] = NULL; } static struct zbud_ops zswap_zbud_ops = { diff --git a/security/apparmor/apparmorfs.c b/security/apparmor/apparmorfs.c index 95c2b2689a03..7db9954f1af2 100644 --- a/security/apparmor/apparmorfs.c +++ b/security/apparmor/apparmorfs.c @@ -580,15 +580,13 @@ static struct aa_namespace *__next_namespace(struct aa_namespace *root, /* check if the next ns is a sibling, parent, gp, .. */ parent = ns->parent; - while (parent) { + while (ns != root) { mutex_unlock(&ns->lock); next = list_entry_next(ns, base.list); if (!list_entry_is_head(next, &parent->sub_ns, base.list)) { mutex_lock(&next->lock); return next; } - if (parent == root) - return NULL; ns = parent; parent = parent->parent; } diff --git a/security/apparmor/policy.c b/security/apparmor/policy.c index 345bec07a27d..705c2879d3a9 100644 --- a/security/apparmor/policy.c +++ b/security/apparmor/policy.c @@ -610,6 +610,7 @@ void aa_free_profile(struct aa_profile *profile) aa_put_dfa(profile->policy.dfa); aa_put_replacedby(profile->replacedby); + kzfree(profile->hash); kzfree(profile); } diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c index ac41e9cdc976..26ad4f0aade3 100644 --- a/sound/pci/hda/hda_generic.c +++ b/sound/pci/hda/hda_generic.c @@ -3531,7 +3531,7 @@ static int create_capture_mixers(struct hda_codec *codec) if (!multi) err = create_single_cap_vol_ctl(codec, n, vol, sw, inv_dmic); - else if (!multi_cap_vol) + else if (!multi_cap_vol && !inv_dmic) err = create_bind_cap_vol_ctl(codec, n, vol, sw); else err = create_multi_cap_vol_ctl(codec); diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index 7ea0245fc6bd..50173d412ac5 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -937,6 +937,14 @@ static void hdmi_setup_audio_infoframe(struct hda_codec *codec, } /* + * always configure channel mapping, it may have been changed by the + * user in the meantime + */ + hdmi_setup_channel_mapping(codec, pin_nid, non_pcm, ca, + channels, per_pin->chmap, + per_pin->chmap_set); + + /* * sizeof(ai) is used instead of sizeof(*hdmi_ai) or * sizeof(*dp_ai) to avoid partial match/update problems when * the user switches between HDMI/DP monitors. @@ -947,20 +955,10 @@ static void hdmi_setup_audio_infoframe(struct hda_codec *codec, "pin=%d channels=%d\n", pin_nid, channels); - hdmi_setup_channel_mapping(codec, pin_nid, non_pcm, ca, - channels, per_pin->chmap, - per_pin->chmap_set); hdmi_stop_infoframe_trans(codec, pin_nid); hdmi_fill_audio_infoframe(codec, pin_nid, ai.bytes, sizeof(ai)); hdmi_start_infoframe_trans(codec, pin_nid); - } else { - /* For non-pcm audio switch, setup new channel mapping - * accordingly */ - if (per_pin->non_pcm != non_pcm) - hdmi_setup_channel_mapping(codec, pin_nid, non_pcm, ca, - channels, per_pin->chmap, - per_pin->chmap_set); } per_pin->non_pcm = non_pcm; diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 0e303b99a47c..bf313bea7085 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -2819,6 +2819,15 @@ static void alc269_fixup_hweq(struct hda_codec *codec, alc_write_coef_idx(codec, 0x1e, coef | 0x80); } +static void alc269_fixup_headset_mic(struct hda_codec *codec, + const struct hda_fixup *fix, int action) +{ + struct alc_spec *spec = codec->spec; + + if (action == HDA_FIXUP_ACT_PRE_PROBE) + spec->parse_flags |= HDA_PINCFG_HEADSET_MIC; +} + static void alc271_fixup_dmic(struct hda_codec *codec, const struct hda_fixup *fix, int action) { @@ -3496,6 +3505,15 @@ static void alc282_fixup_asus_tx300(struct hda_codec *codec, } } +static void alc290_fixup_mono_speakers(struct hda_codec *codec, + const struct hda_fixup *fix, int action) +{ + if (action == HDA_FIXUP_ACT_PRE_PROBE) + /* Remove DAC node 0x03, as it seems to be + giving mono output */ + snd_hda_override_wcaps(codec, 0x03, 0); +} + enum { ALC269_FIXUP_SONY_VAIO, ALC275_FIXUP_SONY_VAIO_GPIO2, @@ -3507,6 +3525,7 @@ enum { ALC271_FIXUP_DMIC, ALC269_FIXUP_PCM_44K, ALC269_FIXUP_STEREO_DMIC, + ALC269_FIXUP_HEADSET_MIC, ALC269_FIXUP_QUANTA_MUTE, ALC269_FIXUP_LIFEBOOK, ALC269_FIXUP_AMIC, @@ -3519,9 +3538,11 @@ enum { ALC269_FIXUP_HP_GPIO_LED, ALC269_FIXUP_INV_DMIC, ALC269_FIXUP_LENOVO_DOCK, + ALC286_FIXUP_SONY_MIC_NO_PRESENCE, ALC269_FIXUP_PINCFG_NO_HP_TO_LINEOUT, ALC269_FIXUP_DELL1_MIC_NO_PRESENCE, ALC269_FIXUP_DELL2_MIC_NO_PRESENCE, + ALC269_FIXUP_DELL3_MIC_NO_PRESENCE, ALC269_FIXUP_HEADSET_MODE, ALC269_FIXUP_HEADSET_MODE_NO_HP_MIC, ALC269_FIXUP_ASUS_X101_FUNC, @@ -3535,6 +3556,7 @@ enum { ALC283_FIXUP_CHROME_BOOK, ALC282_FIXUP_ASUS_TX300, ALC283_FIXUP_INT_MIC, + ALC290_FIXUP_MONO_SPEAKERS, }; static const struct hda_fixup alc269_fixups[] = { @@ -3603,6 +3625,10 @@ static const struct hda_fixup alc269_fixups[] = { .type = HDA_FIXUP_FUNC, .v.func = alc269_fixup_stereo_dmic, }, + [ALC269_FIXUP_HEADSET_MIC] = { + .type = HDA_FIXUP_FUNC, + .v.func = alc269_fixup_headset_mic, + }, [ALC269_FIXUP_QUANTA_MUTE] = { .type = HDA_FIXUP_FUNC, .v.func = alc269_fixup_quanta_mute, @@ -3712,6 +3738,15 @@ static const struct hda_fixup alc269_fixups[] = { .chained = true, .chain_id = ALC269_FIXUP_HEADSET_MODE_NO_HP_MIC }, + [ALC269_FIXUP_DELL3_MIC_NO_PRESENCE] = { + .type = HDA_FIXUP_PINS, + .v.pins = (const struct hda_pintbl[]) { + { 0x1a, 0x01a1913c }, /* use as headset mic, without its own jack detect */ + { } + }, + .chained = true, + .chain_id = ALC269_FIXUP_HEADSET_MODE_NO_HP_MIC + }, [ALC269_FIXUP_HEADSET_MODE] = { .type = HDA_FIXUP_FUNC, .v.func = alc_fixup_headset_mode, @@ -3720,6 +3755,15 @@ static const struct hda_fixup alc269_fixups[] = { .type = HDA_FIXUP_FUNC, .v.func = alc_fixup_headset_mode_no_hp_mic, }, + [ALC286_FIXUP_SONY_MIC_NO_PRESENCE] = { + .type = HDA_FIXUP_PINS, + .v.pins = (const struct hda_pintbl[]) { + { 0x18, 0x01a1913c }, /* use as headset mic, without its own jack detect */ + { } + }, + .chained = true, + .chain_id = ALC269_FIXUP_HEADSET_MIC + }, [ALC269_FIXUP_ASUS_X101_FUNC] = { .type = HDA_FIXUP_FUNC, .v.func = alc269_fixup_x101_headset_mic, @@ -3804,6 +3848,12 @@ static const struct hda_fixup alc269_fixups[] = { .chained = true, .chain_id = ALC269_FIXUP_LIMIT_INT_MIC_BOOST }, + [ALC290_FIXUP_MONO_SPEAKERS] = { + .type = HDA_FIXUP_FUNC, + .v.func = alc290_fixup_mono_speakers, + .chained = true, + .chain_id = ALC269_FIXUP_DELL3_MIC_NO_PRESENCE, + }, }; static const struct snd_pci_quirk alc269_fixup_tbl[] = { @@ -3845,6 +3895,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1028, 0x0608, "Dell", ALC269_FIXUP_DELL1_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x0609, "Dell", ALC269_FIXUP_DELL1_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x0613, "Dell", ALC269_FIXUP_DELL1_MIC_NO_PRESENCE), + SND_PCI_QUIRK(0x1028, 0x0616, "Dell Vostro 5470", ALC290_FIXUP_MONO_SPEAKERS), SND_PCI_QUIRK(0x1028, 0x15cc, "Dell X5 Precision", ALC269_FIXUP_DELL2_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x15cd, "Dell X5 Precision", ALC269_FIXUP_DELL2_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x103c, 0x1586, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC2), @@ -3867,6 +3918,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1043, 0x8398, "ASUS P1005", ALC269_FIXUP_STEREO_DMIC), SND_PCI_QUIRK(0x1043, 0x83ce, "ASUS P1005", ALC269_FIXUP_STEREO_DMIC), SND_PCI_QUIRK(0x1043, 0x8516, "ASUS X101CH", ALC269_FIXUP_ASUS_X101), + SND_PCI_QUIRK(0x104d, 0x90b6, "Sony VAIO Pro 13", ALC286_FIXUP_SONY_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x104d, 0x9073, "Sony VAIO", ALC275_FIXUP_SONY_VAIO_GPIO2), SND_PCI_QUIRK(0x104d, 0x907b, "Sony VAIO", ALC275_FIXUP_SONY_HWEQ), SND_PCI_QUIRK(0x104d, 0x9084, "Sony VAIO", ALC275_FIXUP_SONY_HWEQ), @@ -3952,6 +4004,7 @@ static const struct hda_model_fixup alc269_fixup_models[] = { {.id = ALC269_FIXUP_STEREO_DMIC, .name = "alc269-dmic"}, {.id = ALC271_FIXUP_DMIC, .name = "alc271-dmic"}, {.id = ALC269_FIXUP_INV_DMIC, .name = "inv-dmic"}, + {.id = ALC269_FIXUP_HEADSET_MIC, .name = "headset-mic"}, {.id = ALC269_FIXUP_LENOVO_DOCK, .name = "lenovo-dock"}, {.id = ALC269_FIXUP_HP_GPIO_LED, .name = "hp-gpio-led"}, {.id = ALC269_FIXUP_DELL1_MIC_NO_PRESENCE, .name = "dell-headset-multi"}, @@ -4569,6 +4622,7 @@ static const struct snd_pci_quirk alc662_fixup_tbl[] = { SND_PCI_QUIRK(0x1028, 0x05d8, "Dell", ALC668_FIXUP_DELL_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x05db, "Dell", ALC668_FIXUP_DELL_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x103c, 0x1632, "HP RP5800", ALC662_FIXUP_HP_RP5800), + SND_PCI_QUIRK(0x1043, 0x1477, "ASUS N56VZ", ALC662_FIXUP_ASUS_MODE4), SND_PCI_QUIRK(0x1043, 0x8469, "ASUS mobo", ALC662_FIXUP_NO_JACK_DETECT), SND_PCI_QUIRK(0x105b, 0x0cd6, "Foxconn", ALC662_FIXUP_ASUS_MODE2), SND_PCI_QUIRK(0x144d, 0xc051, "Samsung R720", ALC662_FIXUP_IDEAPAD), diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c index 4f255dfee450..f59a321a6d6a 100644 --- a/sound/pci/rme9652/hdsp.c +++ b/sound/pci/rme9652/hdsp.c @@ -4845,6 +4845,7 @@ static int snd_hdsp_hwdep_ioctl(struct snd_hwdep *hw, struct file *file, unsigne if ((err = hdsp_get_iobox_version(hdsp)) < 0) return err; } + memset(&hdsp_version, 0, sizeof(hdsp_version)); hdsp_version.io_type = hdsp->io_type; hdsp_version.firmware_rev = hdsp->firmware_rev; if ((err = copy_to_user(argp, &hdsp_version, sizeof(hdsp_version)))) diff --git a/sound/usb/usx2y/us122l.c b/sound/usb/usx2y/us122l.c index d0323a693ba2..999550bbad40 100644 --- a/sound/usb/usx2y/us122l.c +++ b/sound/usb/usx2y/us122l.c @@ -262,7 +262,9 @@ static int usb_stream_hwdep_mmap(struct snd_hwdep *hw, } area->vm_ops = &usb_stream_hwdep_vm_ops; - area->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP; + area->vm_flags |= VM_DONTDUMP; + if (!read) + area->vm_flags |= VM_DONTEXPAND; area->vm_private_data = us122l; atomic_inc(&us122l->mmap_count); out: diff --git a/sound/usb/usx2y/usbusx2yaudio.c b/sound/usb/usx2y/usbusx2yaudio.c index 63fb5219f0f8..6234a51625b1 100644 --- a/sound/usb/usx2y/usbusx2yaudio.c +++ b/sound/usb/usx2y/usbusx2yaudio.c @@ -299,19 +299,6 @@ static void usX2Y_error_urb_status(struct usX2Ydev *usX2Y, usX2Y_clients_stop(usX2Y); } -static void usX2Y_error_sequence(struct usX2Ydev *usX2Y, - struct snd_usX2Y_substream *subs, struct urb *urb) -{ - snd_printk(KERN_ERR -"Sequence Error!(hcd_frame=%i ep=%i%s;wait=%i,frame=%i).\n" -"Most probably some urb of usb-frame %i is still missing.\n" -"Cause could be too long delays in usb-hcd interrupt handling.\n", - usb_get_current_frame_number(usX2Y->dev), - subs->endpoint, usb_pipein(urb->pipe) ? "in" : "out", - usX2Y->wait_iso_frame, urb->start_frame, usX2Y->wait_iso_frame); - usX2Y_clients_stop(usX2Y); -} - static void i_usX2Y_urb_complete(struct urb *urb) { struct snd_usX2Y_substream *subs = urb->context; @@ -328,12 +315,9 @@ static void i_usX2Y_urb_complete(struct urb *urb) usX2Y_error_urb_status(usX2Y, subs, urb); return; } - if (likely((urb->start_frame & 0xFFFF) == (usX2Y->wait_iso_frame & 0xFFFF))) - subs->completed_urb = urb; - else { - usX2Y_error_sequence(usX2Y, subs, urb); - return; - } + + subs->completed_urb = urb; + { struct snd_usX2Y_substream *capsubs = usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE], *playbacksubs = usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK]; diff --git a/sound/usb/usx2y/usx2yhwdeppcm.c b/sound/usb/usx2y/usx2yhwdeppcm.c index f2a1acdc4d83..814d0e887c62 100644 --- a/sound/usb/usx2y/usx2yhwdeppcm.c +++ b/sound/usb/usx2y/usx2yhwdeppcm.c @@ -244,13 +244,8 @@ static void i_usX2Y_usbpcm_urb_complete(struct urb *urb) usX2Y_error_urb_status(usX2Y, subs, urb); return; } - if (likely((urb->start_frame & 0xFFFF) == (usX2Y->wait_iso_frame & 0xFFFF))) - subs->completed_urb = urb; - else { - usX2Y_error_sequence(usX2Y, subs, urb); - return; - } + subs->completed_urb = urb; capsubs = usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE]; capsubs2 = usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE + 2]; playbacksubs = usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK]; diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 3a0ff7fb71b6..64c043b7a438 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -770,6 +770,7 @@ check: $(OUTPUT)common-cmds.h install-bin: all $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(bindir_SQ)' $(INSTALL) $(OUTPUT)perf '$(DESTDIR_SQ)$(bindir_SQ)' + $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)' $(INSTALL) $(OUTPUT)perf-archive -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)' ifndef NO_LIBPERL $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl/Perf-Trace-Util/lib/Perf/Trace' diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index f686d5ff594e..5098f144b92d 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -457,6 +457,7 @@ static int __run_perf_stat(int argc, const char **argv) perror("failed to prepare workload"); return -1; } + child_pid = evsel_list->workload.pid; } if (group) diff --git a/tools/perf/config/feature-tests.mak b/tools/perf/config/feature-tests.mak index d5a8dd44945f..f79305739ecc 100644 --- a/tools/perf/config/feature-tests.mak +++ b/tools/perf/config/feature-tests.mak @@ -219,7 +219,7 @@ define SOURCE_LIBAUDIT int main(void) { - printf(\"error message: %s\n\", audit_errno_to_name(0)); + printf(\"error message: %s\", audit_errno_to_name(0)); return audit_open(); } endef diff --git a/tools/perf/util/dwarf-aux.c b/tools/perf/util/dwarf-aux.c index e23bde19d590..7defd77105d0 100644 --- a/tools/perf/util/dwarf-aux.c +++ b/tools/perf/util/dwarf-aux.c @@ -426,7 +426,7 @@ static int __die_search_func_cb(Dwarf_Die *fn_die, void *data) * @die_mem: a buffer for result DIE * * Search a non-inlined function DIE which includes @addr. Stores the - * DIE to @die_mem and returns it if found. Returns NULl if failed. + * DIE to @die_mem and returns it if found. Returns NULL if failed. */ Dwarf_Die *die_find_realfunc(Dwarf_Die *cu_die, Dwarf_Addr addr, Dwarf_Die *die_mem) @@ -454,15 +454,32 @@ static int __die_find_inline_cb(Dwarf_Die *die_mem, void *data) } /** + * die_find_top_inlinefunc - Search the top inlined function at given address + * @sp_die: a subprogram DIE which including @addr + * @addr: target address + * @die_mem: a buffer for result DIE + * + * Search an inlined function DIE which includes @addr. Stores the + * DIE to @die_mem and returns it if found. Returns NULL if failed. + * Even if several inlined functions are expanded recursively, this + * doesn't trace it down, and returns the topmost one. + */ +Dwarf_Die *die_find_top_inlinefunc(Dwarf_Die *sp_die, Dwarf_Addr addr, + Dwarf_Die *die_mem) +{ + return die_find_child(sp_die, __die_find_inline_cb, &addr, die_mem); +} + +/** * die_find_inlinefunc - Search an inlined function at given address - * @cu_die: a CU DIE which including @addr + * @sp_die: a subprogram DIE which including @addr * @addr: target address * @die_mem: a buffer for result DIE * * Search an inlined function DIE which includes @addr. Stores the - * DIE to @die_mem and returns it if found. Returns NULl if failed. + * DIE to @die_mem and returns it if found. Returns NULL if failed. * If several inlined functions are expanded recursively, this trace - * it and returns deepest one. + * it down and returns deepest one. */ Dwarf_Die *die_find_inlinefunc(Dwarf_Die *sp_die, Dwarf_Addr addr, Dwarf_Die *die_mem) diff --git a/tools/perf/util/dwarf-aux.h b/tools/perf/util/dwarf-aux.h index 8658d41697d2..b4fe90c6cb2d 100644 --- a/tools/perf/util/dwarf-aux.h +++ b/tools/perf/util/dwarf-aux.h @@ -79,7 +79,11 @@ extern Dwarf_Die *die_find_child(Dwarf_Die *rt_die, extern Dwarf_Die *die_find_realfunc(Dwarf_Die *cu_die, Dwarf_Addr addr, Dwarf_Die *die_mem); -/* Search an inlined function including given address */ +/* Search the top inlined function including given address */ +extern Dwarf_Die *die_find_top_inlinefunc(Dwarf_Die *sp_die, Dwarf_Addr addr, + Dwarf_Die *die_mem); + +/* Search the deepest inlined function including given address */ extern Dwarf_Die *die_find_inlinefunc(Dwarf_Die *sp_die, Dwarf_Addr addr, Dwarf_Die *die_mem); diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index ce69901176d8..c3e5a3b817ab 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -2768,6 +2768,18 @@ int perf_session__read_header(struct perf_session *session) if (perf_file_header__read(&f_header, header, fd) < 0) return -EINVAL; + /* + * Sanity check that perf.data was written cleanly; data size is + * initialized to 0 and updated only if the on_exit function is run. + * If data size is still 0 then the file contains only partial + * information. Just warn user and process it as much as it can. + */ + if (f_header.data.size == 0) { + pr_warning("WARNING: The %s file's data size field is 0 which is unexpected.\n" + "Was the 'perf record' command properly terminated?\n", + session->filename); + } + nr_attrs = f_header.attrs.size / f_header.attr_size; lseek(fd, f_header.attrs.offset, SEEK_SET); diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c index 371476cb8ddc..c09e0a9fdf4c 100644 --- a/tools/perf/util/probe-finder.c +++ b/tools/perf/util/probe-finder.c @@ -1327,8 +1327,8 @@ int debuginfo__find_probe_point(struct debuginfo *self, unsigned long addr, struct perf_probe_point *ppt) { Dwarf_Die cudie, spdie, indie; - Dwarf_Addr _addr, baseaddr; - const char *fname = NULL, *func = NULL, *tmp; + Dwarf_Addr _addr = 0, baseaddr = 0; + const char *fname = NULL, *func = NULL, *basefunc = NULL, *tmp; int baseline = 0, lineno = 0, ret = 0; /* Adjust address with bias */ @@ -1349,27 +1349,36 @@ int debuginfo__find_probe_point(struct debuginfo *self, unsigned long addr, /* Find a corresponding function (name, baseline and baseaddr) */ if (die_find_realfunc(&cudie, (Dwarf_Addr)addr, &spdie)) { /* Get function entry information */ - tmp = dwarf_diename(&spdie); - if (!tmp || + func = basefunc = dwarf_diename(&spdie); + if (!func || dwarf_entrypc(&spdie, &baseaddr) != 0 || - dwarf_decl_line(&spdie, &baseline) != 0) + dwarf_decl_line(&spdie, &baseline) != 0) { + lineno = 0; goto post; - func = tmp; + } - if (addr == (unsigned long)baseaddr) + if (addr == (unsigned long)baseaddr) { /* Function entry - Relative line number is 0 */ lineno = baseline; - else if (die_find_inlinefunc(&spdie, (Dwarf_Addr)addr, - &indie)) { + fname = dwarf_decl_file(&spdie); + goto post; + } + + /* Track down the inline functions step by step */ + while (die_find_top_inlinefunc(&spdie, (Dwarf_Addr)addr, + &indie)) { + /* There is an inline function */ if (dwarf_entrypc(&indie, &_addr) == 0 && - _addr == addr) + _addr == addr) { /* * addr is at an inline function entry. * In this case, lineno should be the call-site - * line number. + * line number. (overwrite lineinfo) */ lineno = die_get_call_lineno(&indie); - else { + fname = die_get_call_file(&indie); + break; + } else { /* * addr is in an inline function body. * Since lineno points one of the lines @@ -1377,19 +1386,27 @@ int debuginfo__find_probe_point(struct debuginfo *self, unsigned long addr, * be the entry line of the inline function. */ tmp = dwarf_diename(&indie); - if (tmp && - dwarf_decl_line(&spdie, &baseline) == 0) - func = tmp; + if (!tmp || + dwarf_decl_line(&indie, &baseline) != 0) + break; + func = tmp; + spdie = indie; } } + /* Verify the lineno and baseline are in a same file */ + tmp = dwarf_decl_file(&spdie); + if (!tmp || strcmp(tmp, fname) != 0) + lineno = 0; } post: /* Make a relative line number or an offset */ if (lineno) ppt->line = lineno - baseline; - else if (func) + else if (basefunc) { ppt->offset = addr - (unsigned long)baseaddr; + func = basefunc; + } /* Duplicate strings */ if (func) { diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 70ffa41518f3..568b750c01f6 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -256,6 +256,8 @@ void perf_tool__fill_defaults(struct perf_tool *tool) tool->sample = process_event_sample_stub; if (tool->mmap == NULL) tool->mmap = process_event_stub; + if (tool->mmap2 == NULL) + tool->mmap2 = process_event_stub; if (tool->comm == NULL) tool->comm = process_event_stub; if (tool->fork == NULL) @@ -1310,7 +1312,7 @@ int __perf_session__process_events(struct perf_session *session, file_offset = page_offset; head = data_offset - page_offset; - if (data_offset + data_size < file_size) + if (data_size && (data_offset + data_size < file_size)) file_size = data_offset + data_size; progress_next = file_size / 16; diff --git a/tools/testing/selftests/timers/posix_timers.c b/tools/testing/selftests/timers/posix_timers.c index 4fa655d68a81..41bd85559d4b 100644 --- a/tools/testing/selftests/timers/posix_timers.c +++ b/tools/testing/selftests/timers/posix_timers.c @@ -151,7 +151,7 @@ static int check_timer_create(int which) fflush(stdout); done = 0; - timer_create(which, NULL, &id); + err = timer_create(which, NULL, &id); if (err < 0) { perror("Can't create timer\n"); return -1; |