| Commit message (Collapse) | Author | Age | Files | Lines |
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Added id, bindings and comments for Holtek USB ID 04d9:a072
LEETGION Hellion Gaming mouse to use the same corrections of the report
descriptor as Holtek 04d9:a067. As the mouse exceed HID_MAX_USAGES at the
same offsets in the reported descriptor.
Tested on the hardware.
Signed-off-by: Anders F. U. Kiær <ablacksheep@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID fixes from Jiri Kosina:
- a partial revert of exponent parsing changes to make "Unit" exponent
item work properly again, by Nikolai Kondrashov
- a few new device IDs additions piggy-backing, by AceLan Kao and David
Herrmann
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
HID: wiimote: add LEGO-wiimote VID
HID: Fix unit exponent parsing again
HID: usbhid: quirk for SiS Touchscreen
HID: usbhid: quirk for Synaptics Large Touchccreen
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The LEGO-wiimote uses a different VID than the Nintendo ID. The device is
technically the same so add the ID.
Cc: <stable@vger.kernel.org> # 3.11+
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Revert some changes done in 774638386826621c984ab6994439f474709cac5e.
Revert all changes done in hidinput_calc_abs_res as it mistakingly used
"Unit" item exponent nibbles to affect resolution value. This wasn't
breaking resolution calculation of relevant axes of any existing
devices, though, as they have only one dimension to their units and thus
1 in the corresponding nible.
Revert to reading "Unit Exponent" item value as a signed integer in
hid_parser_global to fix reading specification-complying values. This
fixes resolution calculation of devices complying to the HID standard,
including Huion, KYE, Waltop and UC-Logic graphics tablets which have
their report descriptors fixed by the drivers.
Explanations follow.
There are two "unit exponents" in HID specification and it is important
not to mix them. One is the global "Unit Exponent" item and another is
nibble values in the global "Unit" item. See 6.2.2.7 Global Items.
The "Unit Exponent" value is just a signed integer and is used to scale
the integer resolution unit values, so fractions can be expressed.
The nibbles of "Unit" value are used to select the unit system (nibble
0), and presence of a particular basic unit type in the unit formula and
its *exponent* (or power, nibbles 1-6). And yes, the latter is in two
complement and zero means absence of the unit type.
Taking the representation example of (integer) joules from the
specification:
[mass(grams)][length(centimeters)^2][time(seconds)^-2] * 10^-7
the "Unit Exponent" would be -7 (or 0xF9, if stored as a byte) and the
"Unit" value would be 0xE121, signifying:
Nibble Part Value Meaning
----- ---- ----- -------
0 System 1 SI Linear
1 Length 2 Centimeters^2
2 Mass 1 Grams
3 Time -2 Seconds^-2
To give the resolution in e.g. hundredth of joules the "Unit Exponent"
item value should have been -9.
See also the examples of "Unit" values for some common units in the same
chapter.
However, there is a common misunderstanding about the "Unit Exponent"
value encoding, where it is assumed to be stored the same as nibbles in
"Unit" item. This is most likely due to the specification being a bit
vague and overloading the term "unit exponent". This also was and still
is proliferated by the official "HID Descriptor Tool", which makes this
mistake and stores "Unit Exponent" as such. This format is also
mentioned in books such as "USB Complete" and in Microsoft's hardware
design guides.
As a result many devices currently on the market use this encoding and
so the driver should support them.
Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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BugLink: http://bugs.launchpad.net/bugs/1180881
This device needs to be added to the quirks list with HID_QUIRK_NO_INIT_REPORTS,
otherwise it causes 10 seconds timeout during report initialization.
[12431.828467] hid-multitouch 0003:0457:1013.0475: usb_submit_urb(ctrl) failed: -1
[12431.828507] hid-multitouch 0003:0457:1013.0475: timeout initializing reports
Signed-off-by: AceLan Kao <acelan.kao@canonical.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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BugLink: http://bugs.launchpad.net/bugs/1180881
Synaptics large touchscreen doesn't support some of the report request
while initializing. The unspoorted request will make the device unreachable,
and will lead to the following usb_submit_urb() function call timeout.
So, add the IDs into HID_QUIRK_NO_INIT_REPORTS quirk.
Signed-off-by: AceLan Kao <acelan.kao@canonical.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
Pull libata fixes from Tejun Heo:
"The only interesting bit is ata_eh_qc_retry() update which fixes a
problem where a SG_IO command may fail across suspend/resume cycle
without the command actually being at fault.
Other changes are low level driver specific and fairly low impact"
* 'for-3.12-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
libahci: fix turning on LEDs in ahci_start_port()
libata: make ata_eh_qc_retry() bump scmd->allowed on bogus failures
ahci_platform: use dev_info() instead of printk()
ahci: use dev_info() instead of printk()
pata_isapnp: Don't use invalid I/O ports
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If EM Transmit bit is busy during init ata_msleep() is called. It is
wrong - msleep() should be used instead of ata_msleep(), because if EM
Transmit bit is busy for one port, it will be busy for all other ports
too, so using ata_msleep() causes wasting tries for another ports.
The most common scenario looks like that now
(six ports try to transmit a LED meaasege):
- port #0 tries for the 1st time and succeeds
- ports #1-5 try for the 1st time and sleeps
- port #1 tries for the 2nd time and succeeds
- ports #2-5 try for the 2nd time and sleeps
- port #2 tries for the 3rd time and succeeds
- ports #3-5 try for the 3rd time and sleeps
- port #3 tries for the 4th time and succeeds
- ports #4-5 try for the 4th time and sleeps
- port #4 tries for the 5th time and succeeds
- port #5 tries for the 5th time and sleeps
At this moment port #5 wasted all its five tries and failed to
initialize. Because there are only 5 (EM_MAX_RETRY) tries available
usually only five ports succeed to initialize. The sixth port and next
ones usually will fail.
If msleep() is used instead of ata_msleep() the first port succeeds to
initialize in the first try and next ones usually succeed to
initialize in the second try.
tj: updated comment
Signed-off-by: Lukasz Dorau <lukasz.dorau@intel.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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libata EH decrements scmd->retries when the command failed for reasons
unrelated to the command itself so that, for example, commands aborted
due to suspend / resume cycle don't get penalized; however,
decrementing scmd->retries isn't enough for ATA passthrough commands.
Without this fix, ATA passthrough commands are not resend to the
drive, and no error is signalled to the caller because:
- allowed retry count is 1
- ata_eh_qc_complete fill the sense data, so result is valid
- sense data is filled with untouched ATA registers.
Signed-off-by: Gwendal Grignou <gwendal@google.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: stable@vger.kernel.org
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Change "raw" printk() call to dev_info() to provide a better
message to userspace so it can properly identify the device
and not just have to guess.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Change "raw" printk() call to dev_info() to provide a better
message to userspace so it can properly identify the device
and not just have to guess.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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The test for 2nd I/O port validity is broken (reversed): On devices
with no control port, the driver attempts to use invalid port 0,
resulting in logs full of bad_io_access errors. On devices with
control port, the driver does not use it.
Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management fixes from Rafael Wysocki:
- intel_pstate fix for misbehavior after system resume if sysfs
attributes are set in a specific way before the corresponding suspend
from Dirk Brandewie.
- A recent intel_pstate fix has no effect if unsigned long is 32-bit,
so fix it up to cover that case as well.
- The s3c64xx cpufreq driver was not updated when the index field of
struct cpufreq_frequency_table was replaced with driver_data, so
update it now. From Charles Keepax.
- The Kconfig help text for ACPI_BUTTON still refers to
/proc/acpi/event that has been dropped recently, so modify it to
remove that reference. From Krzysztof Mazur.
- A Lan Tianyu's change adds a missing mutex unlock to an error code
path in acpi_resume_power_resources().
- Some code related to ACPI power resources, whose very purpose is
questionable to put it lightly, turns out to cause problems to happen
during testing on real systems, so remove it completely (we may
revisit that in the future if there's a compelling enough reason).
From Rafael J Wysocki and Aaron Lu.
* tag 'pm+acpi-3.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI / PM: Drop two functions that are not used any more
ATA / ACPI: remove power dependent device handling
cpufreq: s3c64xx: Rename index to driver_data
ACPI / power: Drop automaitc resume of power resource dependent devices
intel_pstate: Fix type mismatch warning
cpufreq / intel_pstate: Fix max_perf_pct on resume
ACPI: remove /proc/acpi/event from ACPI_BUTTON help
ACPI / power: Release resource_lock after acpi_power_get_state() return error
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* acpi-fixes:
ACPI / PM: Drop two functions that are not used any more
ATA / ACPI: remove power dependent device handling
ACPI / power: Drop automaitc resume of power resource dependent devices
ACPI: remove /proc/acpi/event from ACPI_BUTTON help
ACPI / power: Release resource_lock after acpi_power_get_state() return error
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Two functions defined in device_pm.c, acpi_dev_pm_add_dependent()
and acpi_dev_pm_remove_dependent(), have no callers and may be
dropped, so drop them.
Moreover, they are the only functions adding entries to and removing
entries from the power_dependent list in struct acpi_device, so drop
that list too.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Previously, we wanted SCSI devices corrsponding to ATA devices to
be runtime resumed when the power resource for those ATA device was
turned on by some other device, so we added the SCSI device to the
dependent device list of the ATA device's ACPI node. However, this
code has no effect after commit 41863fc (ACPI / power: Drop automaitc
resume of power resource dependent devices) and the mechanism it was
supposed to implement is regarded as a bad idea now, so drop it.
[rjw: Changelog]
Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The mechanism causing devices depending on a given power resource
(that is, devices that can be in D0 only if that power resource is
on) to be resumed automatically when the power resource is turned
on (and their "inferred" power state becomes D0 as a result) is
inherently racy and in fact unnecessary.
It is racy, because if the power resource is turned on and then
immediately off, the device resume triggered by the first transition
to "on" may still happen, causing the power resource to be turned
on again. That again will trigger the "resume of dependent devices"
mechanism, but if the devices in question are not in use, they will
be suspended in the meantime causing the power resource to be turned
off. However, the "resume of dependent devices" will next resume
them again and so on. In some cases (USB port PM in particular) that
leads to an endless busy loop of flipping the resource on and off
continuously.
It is needless, because whoever turns a power resource on will most
likely turn it off at some point and the devices that go into "D0"
as a result of turning it on will then go back into D3cold
(generally, the state they were in before).
Moreover, turning on all power resources a device needs to go into
D0 is not sufficient for a full transition into D0 in general.
Namely, _PS0 may need to be executed in addition to that in some
cases. This means that the whole rationale of the "resume of
dependent devices" mechanism was incorrect to begin with and it's
best to remove it entirely.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Commit 1696d9d (ACPI: Remove the old /proc/acpi/event interface)
left /proc/acpi/event in the ACPI_BUTTON help in Kconfig, so
remove it from there.
[rjw: Changelog]
Signed-off-by: Krzysztof Mazur <krzysiek@podlesie.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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In acpi_resume_power_resources() resource_lock should be released
when acpi_power_get_state() fails and before passing to next power
resource on the list.
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The index field of cpufreq_frequency_table has been renamed to
driver_data by commit 5070158 (cpufreq: rename index as driver_data
in cpufreq_frequency_table).
This patch updates the s3c64xx driver to match.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Cc: 3.11+ <stable@vger.kernel.org> # 3.11+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The expression in line 398 of intel_pstate.c causes the following
warning to be emitted:
drivers/cpufreq/intel_pstate.c:398:3: warning: left shift count >= width of type
which happens because unsigned long is 32-bit on some architectures.
Fix that by using a helper u64 variable and simplify the code
slightly.
Tested-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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If the system is suspended while max_perf_pct is less than 100 percent
or no_turbo set policy->{min,max} will be set incorrectly with scaled
values which turn the scaled values into hard limits.
References: https://bugzilla.kernel.org/show_bug.cgi?id=61241
Reported-by: Patrick Bartels <petzicus@googlemail.com>
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Cc: 3.9+ <stable@vger.kernel.org> # 3.9+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fix from Greg KH:
"Here is one fix for the hotplug memory path that resolves a regression
when removing memory that showed up in 3.12-rc1"
* tag 'driver-core-3.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
driver core: Release device_hotplug_lock when store_mem_state returns EINVAL
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When inserting a wrong value to /sys/devices/system/memory/memoryX/state file,
following messages are shown. And device_hotplug_lock is never released.
================================================
[ BUG: lock held when returning to user space! ]
3.12.0-rc4-debug+ #3 Tainted: G W
------------------------------------------------
bash/6442 is leaving the kernel with locks still held!
1 lock held by bash/6442:
#0: (device_hotplug_lock){+.+.+.}, at: [<ffffffff8146cbb5>] lock_device_hotplug_sysfs+0x15/0x50
This issue was introdued by commit fa2be40 (drivers: base: use standard
device online/offline for state change).
This patch releases device_hotplug_lcok when store_mem_state returns EINVAL.
Signed-off-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Reviewed-by: Toshi Kani <toshi.kani@hp.com>
CC: Seth Jennings <sjenning@linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some USB fixes and new device ids for 3.12-rc6
The largest change here is a bunch of new device ids for the option
USB serial driver for new Huawei devices. Other than that, just some
small bug fixes for issues that people have reported (run-time and
build-time), nothing major"
* tag 'usb-3.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: usb_phy_gen: refine conditional declaration of usb_nop_xceiv_register
usb: misc: usb3503: Fix compile error due to incorrect regmap depedency
usb/chipidea: fix oops on memory allocation failure
usb-storage: add quirk for mandatory READ_CAPACITY_16
usb: serial: option: blacklist Olivetti Olicard200
USB: quirks: add touchscreen that is dazzeled by remote wakeup
Revert "usb: musb: gadget: fix otg active status flag"
USB: quirks.c: add one device that cannot deal with suspension
USB: serial: option: add support for Inovia SEW858 device
USB: serial: ti_usb_3410_5052: add Abbott strip port ID to combined table as well.
USB: support new huawei devices in option.c
usb: musb: start musb on the udc side, too
xhci: Fix spurious wakeups after S5 on Haswell
xhci: fix write to USB3_PSSEN and XUSB2PRM pci config registers
xhci: quirk for extra long delay for S4
xhci: Don't enable/disable RWE on bus suspend/resume.
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The USB3503 driver had an incorrect depedency on REGMAP, instead of
REGMAP_I2C. This caused the build to fail since the necessary regmap
i2c pieces were not available.
Signed-off-by: Matthew Dawson <matthew@mjdsystems.ca>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When CMA fails to initialize in v3.12-rc4, the chipidea driver oopses
the kernel while trying to remove and put the HCD which doesn't exist:
WARNING: CPU: 0 PID: 6 at /home/rmk/git/linux-rmk/arch/arm/mm/dma-mapping.c:511
__dma_alloc+0x200/0x240()
coherent pool not initialised!
Modules linked in:
CPU: 0 PID: 6 Comm: kworker/u2:0 Tainted: G W 3.12.0-rc4+ #56
Workqueue: deferwq deferred_probe_work_func
Backtrace:
[<c001218c>] (dump_backtrace+0x0/0x10c) from [<c0012328>] (show_stack+0x18/0x1c)
r6:c05fd9cc r5:000001ff r4:00000000 r3:df86ad00
[<c0012310>] (show_stack+0x0/0x1c) from [<c05f3a4c>] (dump_stack+0x70/0x8c)
[<c05f39dc>] (dump_stack+0x0/0x8c) from [<c00230a8>] (warn_slowpath_common+0x6c/0x8c)
r4:df883a60 r3:df86ad00
[<c002303c>] (warn_slowpath_common+0x0/0x8c) from [<c002316c>] (warn_slowpath_fmt+0x38/0x40)
r8:ffffffff r7:00001000 r6:c083b808 r5:00000000 r4:df2efe80
[<c0023134>] (warn_slowpath_fmt+0x0/0x40) from [<c00196bc>] (__dma_alloc+0x200/0x240)
r3:00000000 r2:c05fda00
[<c00194bc>] (__dma_alloc+0x0/0x240) from [<c001982c>] (arm_dma_alloc+0x88/0xa0)
[<c00197a4>] (arm_dma_alloc+0x0/0xa0) from [<c03e2904>] (ehci_setup+0x1f4/0x438)
[<c03e2710>] (ehci_setup+0x0/0x438) from [<c03cbd60>] (usb_add_hcd+0x18c/0x664)
[<c03cbbd4>] (usb_add_hcd+0x0/0x664) from [<c03e89f4>] (host_start+0xf0/0x180)
[<c03e8904>] (host_start+0x0/0x180) from [<c03e7c34>] (ci_hdrc_probe+0x360/0x670
)
r6:df2ef410 r5:00000000 r4:df2c3010 r3:c03e8904
[<c03e78d4>] (ci_hdrc_probe+0x0/0x670) from [<c0311044>] (platform_drv_probe+0x20/0x24)
[<c0311024>] (platform_drv_probe+0x0/0x24) from [<c030fcac>] (driver_probe_device+0x9c/0x234)
...
---[ end trace c88ccaf3969e8422 ]---
Unable to handle kernel NULL pointer dereference at virtual address 00000028
pgd = c0004000
[00000028] *pgd=00000000
Internal error: Oops: 17 [#1] SMP ARM
Modules linked in:
CPU: 0 PID: 6 Comm: kworker/u2:0 Tainted: G W 3.12.0-rc4+ #56
Workqueue: deferwq deferred_probe_work_func
task: df86ad00 ti: df882000 task.ti: df882000
PC is at usb_remove_hcd+0x10/0x150
LR is at host_stop+0x1c/0x3c
pc : [<c03cacec>] lr : [<c03e88e4>] psr: 60000013
sp : df883b50 ip : df883b78 fp : df883b74
r10: c11f4c54 r9 : c0836450 r8 : df30c400
r7 : fffffff4 r6 : df2ef410 r5 : 00000000 r4 : df2c3010
r3 : 00000000 r2 : 00000000 r1 : df86b0a0 r0 : 00000000
Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel
Control: 10c53c7d Table: 2f29404a DAC: 00000015
Process kworker/u2:0 (pid: 6, stack limit = 0xdf882240)
Stack: (0xdf883b50 to 0xdf884000)
...
Backtrace:
[<c03cacdc>] (usb_remove_hcd+0x0/0x150) from [<c03e88e4>] (host_stop+0x1c/0x3c)
r6:df2ef410 r5:00000000 r4:df2c3010
[<c03e88c8>] (host_stop+0x0/0x3c) from [<c03e8aa0>] (ci_hdrc_host_destroy+0x1c/0x20)
r5:00000000 r4:df2c3010
[<c03e8a84>] (ci_hdrc_host_destroy+0x0/0x20) from [<c03e7c80>] (ci_hdrc_probe+0x3ac/0x670)
[<c03e78d4>] (ci_hdrc_probe+0x0/0x670) from [<c0311044>] (platform_drv_probe+0x20/0x24)
[<c0311024>] (platform_drv_probe+0x0/0x24) from [<c030fcac>] (driver_probe_device+0x9c/0x234)
[<c030fc10>] (driver_probe_device+0x0/0x234) from [<c030ff28>] (__device_attach+0x44/0x48)
...
---[ end trace c88ccaf3969e8423 ]---
Fix this so at least we can continue booting and get to a shell prompt.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Tested-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Some USB drive enclosures do not correctly report an
overflow condition if they hold a drive with a capacity
over 2TB and are confronted with a READ_CAPACITY_10.
They answer with their capacity modulo 2TB.
The generic layer cannot cope with that. It must be told
to use READ_CAPACITY_16 from the beginning.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Interface 6 of this device speaks QMI as per tests done by us.
Credits go to Antonella for providing the hardware.
Signed-off-by: Enrico Mioso <mrkiko.rs@gmail.com>
Signed-off-by: Antonella Pellizzari <anto.pellizzari83@gmail.com>
Tested-by: Dan Williams <dcbw@redhat.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The device descriptors are messed up after remote wakeup
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This reverts commit 9b0a1de3c85d99d881c86a29b3d52da7b9c7bd61.
Aaro writes:
With v3.12-rc4 I can no longer connect to N800 (OMAP2) with USB
(peripheral, g_ether).
According to git bisect this is caused by:
9b0a1de3c85d99d881c86a29b3d52da7b9c7bd61 is the first bad commit
So revert this patch, as Felipe says:
It's unfortunate that tusb6010 is so messed up
Reported-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Acked-by: Felipe Balbi <balbi@ti.com>
Cc: Bin Liu <b-liu@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The device is not responsive when resumed, unless it is reset.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
CC: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch adds the device id for the Inovia SEW858 device to the option driver.
Reported-by: Pavel Parkhomenko <ra85551@gmail.com>
Tested-by: Pavel Parkhomenko <ra85551@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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well.
Without this change, the USB cable for Freestyle Option and compatible
glucometers will not be detected by the driver.
Signed-off-by: Diego Elio Pettenò <flameeyes@flameeyes.eu>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add new supporting declarations to option.c, to support Huawei new
devices with new bInterfaceSubClass value.
Signed-off-by: fangxiaozhi <huananhu@huawei.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/sarah/xhci into usb-linus
Pull xhci USB fixes from Sarah:
xhci: Bug fixes and quirks for 3.12
Hi Greg,
Here's four patches for 3.12.
The first patch is a bug fix for the USB 2.0 Link PM registers that I sent
out to the list a long time ago (August), but forgot to queue up. The
second and fourth patches are quirks for xHCI hosts. These patches are
marked for stable. The third patch fixes a bug uncovered with sparse.
Sarah Sharp
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Haswell LynxPoint and LynxPoint-LP with the recent Intel BIOS show
mysterious wakeups after shutdown occasionally. After discussing with
BIOS engineers, they explained that the new BIOS expects that the
wakeup sources are cleared and set to D3 for all wakeup devices when
the system is going to sleep or power off, but the current xhci driver
doesn't do this properly (partly intentionally).
This patch introduces a new quirk, XHCI_SPURIOUS_WAKEUP, for
fixing the spurious wakeups at S5 by calling xhci_reset() in the xhci
shutdown ops as done in xhci_stop(), and setting the device to PCI D3
at shutdown and remove ops.
The PCI D3 call is based on the initial fix patch by Oliver Neukum.
[Note: Sarah changed the quirk name from XHCI_HSW_SPURIOUS_WAKEUP to
XHCI_SPURIOUS_WAKEUP, since none of the other quirks have system names
in them. Sarah also fixed a collision with a quirk submitted around the
same time, by changing the xhci->quirks bit from 17 to 18.]
This patch should be backported to kernels as old as 3.0, that
contain the commit 1c12443ab8eba71a658fae4572147e56d1f84f66 "xhci: Add
Lynx Point to list of Intel switchable hosts."
Cc: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable@vger.kernel.org
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The function pci_write_config_dword() sets the appropriate byteordering
internally so the value argument should not be converted to little-endian.
This bug was found by sparse.
This patch is not suitable for stable. Since cpu_to_lei32 is a no-op on
little endian systems, this bug would only affect big endian Intel
systems with the EHCI to xHCI port switchover, which are non-existent,
AFAIK.
Signed-off-by: Xenia Ragiadakou <burzalodowa@gmail.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
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It has been reported that this chipset really cannot
sleep without this extraordinary delay.
This patch should be backported, in order to ensure this host functions
under stable kernels. The last quirk for Fresco Logic hosts (commit
bba18e33f25072ebf70fd8f7f0cdbf8cdb59a746 "xhci: Extend Fresco Logic MSI
quirk.") was backported to stable kernels as old as 2.6.36.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable@vger.kernel.org
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The RWE bit of the USB 2.0 PORTPMSC register is supposed to enable
remote wakeup for devices in the lower power link state L1. It has
nothing to do with the device suspend remote wakeup from L2. The RWE
bit is designed to be set once (when USB 2.0 LPM is enabled for the
port) and cleared only when USB 2.0 LPM is disabled for the port.
The xHCI bus suspend method was setting the RWE bit erroneously, and the
bus resume method was clearing it. The xHCI 1.0 specification with
errata up to Aug 12, 2012 says in section 4.23.5.1.1.1 "Hardware
Controlled LPM":
"While Hardware USB2 LPM is enabled, software shall not modify the
HIRDBESL or RWE fields of the USB2 PORTPMSC register..."
If we have previously enabled USB 2.0 LPM for a device, that means when
the USB 2.0 bus is resumed, we violate the xHCI specification by
clearing RWE. It also means that after a bus resume, the host would
think remote wakeup is disabled from L1 for ports with USB 2.0 Link PM
enabled, which is not what we want.
This patch should be backported to kernels as old as 3.2, that
contain the commit 65580b4321eb36f16ae8b5987bfa1bb948fc5112 "xHCI: set
USB2 hardware LPM". That was the first kernel that supported USB 2.0
Link PM.
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable@vger.kernel.org
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git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus
Pull USB gadget fixes from Felipe:
usb: musb: fix for v3.12-rc
A single patch fixing musb start when using peripheral
only configurations. It turns out that musb_start() needs
to be called for peripheral too, so that function is
factored out of musb_virthub.c and into musb_core.c since
it's shared for both roles.
Signed-of-by: Felipe Balbi <balbi@ti.com>
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I have am335x-evm with one port running in OTG mode. Since commit
fe4cb09 ("usb: musb: gadget: remove hcd initialization") the loaded
gadget does non pop up on the host. All I see is
|usb 4-5: new high-speed USB device number 52 using ehci-pci
|usb 4-5: device descriptor read/64, error -110
Since a later commit 2cc65fe ("usb: musb: add musb_host_setup() and
musb_host_cleanup()) the gadget shows up on the host again but only
in OTG mode (because we have the host init code running). It does not
work in device only mode.
If running in OTG mode and the gadget is removed and added back (rmmod
followed by modprobe of a gadget) then the same error is pops up on the
host side.
This patch ensures that the gadget side also executes musb_start() which
puts the chip in "connect accept" mode. With this change the device
works in OTG & device mode and the gadget can be added & removed
multiple times.
A device (if musb is in OTG mode acting as a host) is only recognized if
it is attached during module load (musb_hdrc module). After the device
unplugged and plugged again the host does not recognize it. We get a
buch of errors if musb running in OTG mode, attached to a host and no
gadget is loaded. Bah.
This is one step forward. Host & device only mode should work. I will
look at OTG later. I looked at this before commit fe4cb09 and OTG wasn't
working there perfectly so I am not sure that it is a regression :)
Cc: <stable@vger.kernel.org> # v3.11
Cc: Daniel Mack <zonque@gmail.com>
Cc: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull serial driver fixes from Greg KH:
"Here are two serial driver fixes for your tree. One is a revert of a
patch that causes a build error, the other is a fix to provide the
correct brace placement which resolves a bug where the driver was not
working properly"
* tag 'tty-3.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
serial: vt8500: add missing braces
Revert "serial: i.MX: evaluate linux,stdout-path property"
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Due to missing braces on an if statement, in presence of a device_node a
port was always assigned -1, regardless of any alias entries in the
device tree. Conversely, if device_node was NULL, an unitialized port
ended up being used.
This patch adds the missing braces, fixing the issues.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: Tony Prisk <linux@prisktech.co.nz>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This reverts commit f7d2c0bbdb7b784cc035cacb7d36b379ba1c3bef, as it
causes build errors when the driver is built as a module.
Reported-by: Guenter Roeck <linux@roeck-us.net>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are some small iio and w1 driver fixes for 3.12-rc6.
There is also a hyper-v fix in here, which turned out to be incorrect,
so it was reverted. That will probably have to wait unto 3.13-rc1 to
get accepted as it's still being discussed"
* tag 'char-misc-3.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
Revert "Drivers: hv: vmbus: Fix a bug in channel rescind code"
Drivers: hv: vmbus: Fix a bug in channel rescind code
iio:buffer: Free active scan mask in iio_disable_all_buffers()
iio: frequency: adf4350: add missing clk_disable_unprepare() on error in adf4350_probe()
w1 - call request_module with w1 master mutex unlocked
w1 - fix fops in w1_bus_notify
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git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-linus
Jonathan writes:
Third set of IIO fixes for the 3.12 cycle.
Two little ones this time:
1) A missing clk_unprepare in adf4350.
2) A missing free of the active_scan_mask when iio_disable_all_buffers is
called during an unexpected device removal. This leak was introduced by
the fix
a87c82e454f184a9473f8cdfd4d304205f585f65 iio: Stop sampling when the device is removed
and hence is a regression fix.
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Usually the active scan mask is freed in __iio_update_buffers() when the buffer
is disabled. But when the device is still sampling when it is removed we'll end
up disabling the buffers in iio_disable_all_buffers(). So we also need to free
the active scan mask here, otherwise it will be leaked.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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adf4350_probe()
Add the missing clk_disable_unprepare() before return
from adf4350_probe() in the error handling case.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Reviewed-by: Lars-Peter CLausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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This reverts commit 90d33f3ec519db19d785216299a4ee85ef58ec97 as it's not
the correct fix for this issue, and it causes a build warning to be
added to the kernel tree.
Cc: K. Y. Srinivasan <kys@microsoft.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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