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This wires up the pidfd_getfd syscall for all architectures.
Signed-off-by: Sargun Dhillon <sargun@sargun.me>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20200107175927.4558-4-sargun@sargun.me
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Olof Johansson:
"I didn't get a batch in this weekend, so here's what we queued up last
week and today.
- A couple of defconfigs add back debugfs -- it used to be implicitly
enabled through CONFIG_TRACING, but 0e4a459f56c32d3e ("tracing:
Remove unnecessary DEBUG_FS dependency") removed that.
- The rest are mostly minor fixlets of the usual kind; some DT
tweaks, a headerfile refactor that needs a build fix now, etc"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (30 commits)
ARM: bcm: Add missing sentinel to bcm2711_compat[]
ARM: shmobile: defconfig: Restore debugfs support
bus: ti-sysc: Fix missing reset delay handling
ARM: imx: Fix boot crash if ocotp is not found
ARM: imx_v6_v7_defconfig: Explicitly restore CONFIG_DEBUG_FS
ARM: dts: imx6ul-evk: Fix peripheral regulator
arm64: dts: ls1028a: fix reboot node
ARM: mmp: include the correct cputype.h
ARM: dts: am437x-gp/epos-evm: fix panel compatible
arm64: dts: ls1028a: fix typo in TMU calibration data
ARM: imx: Correct ocotp id for serial number support of i.MX6ULL/ULZ SoCs
ARM: dts: bcm283x: Fix critical trip point
ARM: omap2plus_defconfig: Add back DEBUG_FS
ARM: omap2plus_defconfig: enable NET_SWITCHDEV
ARM: dts: am335x-sancloud-bbe: fix phy mode
bus: ti-sysc: Fix missing force mstandby quirk handling
reset: Do not register resource data for missing resets
reset: Fix {of,devm}_reset_control_array_get kerneldoc return types
reset: brcmstb: Remove resource checks
dt-bindings: reset: Fix brcmstb-reset example
...
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https://github.com/Broadcom/stblinux into arm/fixes
This pull request contains Broadcom ARM-based SoCs machine fixes for
5.5-rc1, please pull the following:
- H. Nikolaus adds a missing sentinel entry to the BCM2711 machine
descriptor compatible array which would make multiplatform kernels fail
to boot
* tag 'arm-soc/for-5.5/soc-fixes' of https://github.com/Broadcom/stblinux:
ARM: bcm: Add missing sentinel to bcm2711_compat[]
Link: https://lore.kernel.org/r/20191216035701.15534-1-f.fainelli@gmail.com
Signed-off-by: Olof Johansson <olof@lixom.net>
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commit 781fa0a95424 ("ARM: bcm: Add support for BCM2711 SoC")
breaks boot of many other platforms (e.g. OMAP or i.MX6) if
CONFIG_ARCH_BCM2835 is enabled in addition to some multiplatform
config (e.g. omap2plus_defconfig). The symptom is that the OMAP
based board does not show any activity beyond "Starting Kernel ..."
even with earlycon.
Reverting the mentioned commit makes it work again.
The real fix is to add the missing NULL sentinel to the
bcm2711_compat[] variable-length array.
Fixes: 781fa0a95424 ("ARM: bcm: Add support for BCM2711 SoC")
Acked-by: Stefan Wahren <wahrenst@gmx.net>
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into arm/fixes
Samsung fixes for v5.5
1. Restore debugfs support in exynos_defconfig (as now it is not
selected as dependency of tracing). Debugfs is required by systemd
and several tests.
2. Maintainers updates.
* tag 'samsung-fixes-5.5' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
ARM: exynos_defconfig: Restore debugfs support
MAINTAINERS: Include Samsung SoC serial driver in Samsung SoC entry
MAINTAINERS: Update Lukasz Luba's email address
Link: https://lore.kernel.org/r/20191215121316.32091-1-krzk@kernel.org
Signed-off-by: Olof Johansson <olof@lixom.net>
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Commit 9f532d26c75c ("ARM: exynos_defconfig: Trim and reorganize with
savedefconfig") removed explicit enable line for CONFIG_DEBUG_FS, because
that feature has been selected by other enabled options: CONFIG_TRACING,
which in turn had been selected by CONFIG_PERF_EVENTS and
CONFIG_PROVE_LOCKING.
In meantime, commit 0e4a459f56c3 ("tracing: Remove unnecessary DEBUG_FS
dependency") removed the dependency between CONFIG_DEBUG_FS and
CONFIG_TRACING, so CONFIG_DEBUG_FS is no longer enabled in default builds.
Enable it again explicitly, as debugfs support is essential for various
automated testing tools.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into arm/fixes
Renesas fixes for v5.5
- Restore debugfs support
* tag 'renesas-fixes-for-v5.5-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel:
ARM: shmobile: defconfig: Restore debugfs support
Link: https://lore.kernel.org/r/20191213213719.18122-1-geert+renesas@glider.be
Signed-off-by: Olof Johansson <olof@lixom.net>
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Since commit 0e4a459f56c32d3e ("tracing: Remove unnecessary DEBUG_FS
dependency"), CONFIG_DEBUG_FS is no longer auto-enabled. This breaks
booting Debian 9, as systemd needs debugfs:
[FAILED] Failed to mount /sys/kernel/debug.
See 'systemctl status sys-kernel-debug.mount' for details.
[DEPEND] Dependency failed for Local File Systems.
...
You are in emergGive root password for maintenance
(or press Control-D to continue):
Fix this by enabling CONFIG_DEBUG_FS explicitly.
See also commit 18977008f44c66bd ("ARM: multi_v7_defconfig: Restore
debugfs support").
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Link: https://lore.kernel.org/r/20191209101327.26571-1-geert+renesas@glider.be
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes
Fixes for omap variants for v5.5-rc1 cycle
This series of changes contains fixes for issues recently noticed:
- The ti-sysc interconnect target module driver needs fixes for
mstandby quirk handling and reset delay
- We need to configure am335x-sancloud-bbe to use rgmii-id mode because of
the phy changes done earlier
- NET_SWITCHDEV is no longer selected in Kconfig but a dependency and we
must enable CONFIG_NET_SWITCHDEV to have TI_CPSW_SWITCHDEV
- We are still relying on DEBUG_FS at least for PM configuration, let's
add it back
- We need to update compatible for am437x-gp/epos-evm because of the
recent changes to use generic panels
* tag 'omap-for-v5.5/fixes-rc1-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
bus: ti-sysc: Fix missing reset delay handling
ARM: dts: am437x-gp/epos-evm: fix panel compatible
ARM: omap2plus_defconfig: Add back DEBUG_FS
ARM: omap2plus_defconfig: enable NET_SWITCHDEV
ARM: dts: am335x-sancloud-bbe: fix phy mode
bus: ti-sysc: Fix missing force mstandby quirk handling
Link: https://lore.kernel.org/r/pull-1576254925-709310@atomide.com
Signed-off-by: Olof Johansson <olof@lixom.net>
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The LCD panel on AM4 GP EVMs and ePOS boards seems to be
osd070t1718-19ts. The current dts files say osd057T0559-34ts. Possibly
the panel has changed since the early EVMs, or there has been a mistake
with the panel type.
Update the DT files accordingly.
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Commit 0e4a459f56c3 ("tracing: Remove unnecessary DEBUG_FS dependency")
removed select for DEBUG_FS but we still need it at least for enabling
deeper idle states for the SoCs.
Signed-off-by: Tony Lindgren <tony@atomide.com>
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The TI_CPSW_SWITCHDEV definition in Kconfig was changed from "select
NET_SWITCHDEV" to "depends on NET_SWITCHDEV", and therefore it is required
to explicitelly enable NET_SWITCHDEV config option in omap2plus_defconfig.
Fixes: 3727d259ddaf ("arm: omap2plus_defconfig: enable new cpsw switchdev driver")
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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The phy mode should be rgmii-id. For some reason, it used to work with
rgmii-txid but doesn't any more.
Signed-off-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes
i.MX fixes for 5.5:
- Add missing jedec,spi-nor compatible for imx6ul-14x14-evk board,
so that SPI NOR device can be probed.
- Fix power button of E60K02 board by removing LDORTC2 regulator.
- A couple of fixes on serial number support of i.MX6ULL/ULZ SoCs to
remove the boot regression caused by 8267ff89b713 ("ARM: imx: Add
serial number support for i.MX6/7 SoCs").
- A couple of fixes on LS1028A SoC TMU regarding to calibration data
and reboot register configuration.
- Fix a regression seen on imx6ul-evk board by marking always-on for
the regulator that is shared by many peripherals.
- Explicitly restore CONFIG_DEBUG_FS in imx_v6_v7_defconfig.
* tag 'imx-fixes-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
ARM: imx: Fix boot crash if ocotp is not found
ARM: imx_v6_v7_defconfig: Explicitly restore CONFIG_DEBUG_FS
ARM: dts: imx6ul-evk: Fix peripheral regulator
arm64: dts: ls1028a: fix reboot node
arm64: dts: ls1028a: fix typo in TMU calibration data
ARM: imx: Correct ocotp id for serial number support of i.MX6ULL/ULZ SoCs
ARM: dts: e60k02: fix power button
ARM: dts: imx6ul: imx6ul-14x14-evk.dtsi: Fix SPI NOR probing
Link: https://lore.kernel.org/r/20191212122427.GK15858@dragon
Signed-off-by: Olof Johansson <olof@lixom.net>
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The imx_soc_device_init functions tries to fetch the ocotp regmap in
order to soc serial number. If regmap fetch fails then a message is
printed but regmap_read is called anyway and the system crashes.
Failing to lookup ocotp regmap shouldn't be a fatal boot error so check
that the pointer is valid.
Only side-effect of ocotp lookup failure now is that serial number will
be reported as all-zeros which is acceptable.
Cc: stable@vger.kernel.org
Fixes: 8267ff89b713 ("ARM: imx: Add serial number support for i.MX6/7 SoCs")
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Tested-by: Christoph Niedermaier <cniedermaier@dh-electronics.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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This is currently off and that's not desirable: default imx config is
meant to be generally useful for development and debugging.
Running git bisect between v5.4 and v5.5-rc1 finds this started from
commit 0e4a459f56c3 ("tracing: Remove unnecessary DEBUG_FS dependency")
Explicit CONFIG_DEBUG_FS=y was earlier removed by
commit c29d541f590c ("ARM: imx_v6_v7_defconfig: Remove unneeded options")
A very similar fix was required before:
commit 7e9eb6268809 ("ARM: imx_v6_v7_defconfig: Explicitly restore CONFIG_DEBUG_FS")
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Many peripherals are affected by gpio5/2, not just sensors. One of those
is ethernet phy so network boot is current broken.
Fix by renaming reg_sensors and marking it as "always on". Also add a
comment asking for careful testing if this is to be made dynamic in the
future.
The "peri_3v3" naming is similar to imx6sx-sdb and regulator-name is
same string as in schematics (VPERI_3V3).
Fixes: 09e2b1048954 ("ARM: dts: imx6ul-14x14-evk: Add sensors' GPIO regulator")
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Reviewed-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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After the commit 8267ff89b713 ("ARM: imx: Add serial number support for i.MX6/7 SoCs")
the kernel doesn't start on i.MX6ULL/ULZ SoC.
Tested on next-20191205.
For i.MX6ULL/ULZ the variable "ocotp_compat" is set to "fsl,imx6ul-ocotp", but with commit
ffbc34bf0e9c ("nvmem: imx-ocotp: Implement i.MX6ULL/ULZ support") and commit
f243bc821ee3 ("ARM: dts: imx6ull: Fix i.MX6ULL/ULZ ocotp compatible") the value
"fsl,imx6ull-ocotp" is already defined and set in device tree...
By setting "ocotp_compat" to "fsl,imx6ull-ocotp" the kernel does boot.
Fixes: 8267ff89b713 ("ARM: imx: Add serial number support for i.MX6/7 SoCs")
Signed-off-by: Christoph Niedermaier <cniedermaier@dh-electronics.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The power button was only producing irqs, but no key events,
Forced power down with long key press works, so probably
only a short spike arrives at the SoC.
Further investigation shows that LDORTC2 is off after boot
of the vendor kernel. LDORTC2 is shared with a GPIO at the pmic
which probably transfers the button press to the SoC.
That regulator off at boot, so "regulator-boot-on" is definitively
wrong. So remove that.
Reported-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Fixes: c100ea86e6ab ("ARM: dts: add Netronix E60K02 board common file")
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Without this "jedec,spi-nor" compatible property, probing of the SPI NOR
does not work on the NXP i.MX6ULL EVK. Fix this by adding this
compatible property to the DT.
Fixes: 7d77b8505aa9 ("ARM: dts: imx6ull: fix the imx6ull-14x14-evk configuration")
Signed-off-by: Stefan Roese <sr@denx.de>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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https://github.com/Broadcom/stblinux into arm/fixes
This pull request contains Broadcom ARM-based SoCs Device Tree fixes for
v5.5-rc1, please pull the following:
- Nicolas fixes the SoC's dma-range property to cover the full 1GB
aperture
- Stefan fixes the critical temperature trip point to be set before the
firmware performs thermal throttling
- Florian fixes the BCM5301X and Cygnus MDIO nodes to have corrected
#address-cells and #size-cells properties
* tag 'arm-soc/for-5.5/devicetree-fixes' of https://github.com/Broadcom/stblinux:
ARM: dts: bcm283x: Fix critical trip point
ARM: dts: Cygnus: Fix MDIO node address/size cells
ARM: dts: bcm2711: fix soc's node dma-ranges
ARM: dts: BCM5301X: Fix MDIO node address/size cells
Link: https://lore.kernel.org/r/20191210205850.12442-1-f.fainelli@gmail.com
Signed-off-by: Olof Johansson <olof@lixom.net>
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During definition of the CPU thermal zone of BCM283x SoC family there
was a misunderstanding of the meaning "criticial trip point" and the
thermal throttling range of the VideoCore firmware. The latter one takes
effect when the core temperature is at least 85 degree celsius or higher
So the current critical trip point doesn't make sense, because the
thermal shutdown appears before the firmware has a chance to throttle
the ARM core(s).
Fix these unwanted shutdowns by increasing the critical trip point
to a value which shouldn't be reached with working thermal throttling.
Fixes: 0fe4d2181cc4 ("ARM: dts: bcm283x: Add CPU thermal zone with 1 trip point")
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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The MDIO node on Cygnus had an reversed #address-cells and
#size-cells properties, correct those.
Fixes: 40c26d3af60a ("ARM: dts: Cygnus: Add the ethernet switch and ethernet PHY")
Reported-by: Simon Horman <simon.horman@netronome.com>
Reviewed-by: Ray Jui <ray.jui@broadcom.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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Raspberry Pi's firmware has a feature to select how much memory to
reserve for its GPU called 'gpu_mem'. The possible values go from 16MB
to 944MB, with a default of 64MB. This memory resides in the topmost
part of the lower 1GB memory area and grows bigger expanding towards the
begging of memory.
It turns out that with low 'gpu_mem' values (16MB and 32MB) the size of
the memory available to the system in the lower 1GB area can outgrow the
interconnect's dma-range as its size was selected based on the maximum
system memory available given the default gpu_mem configuration. This
makes that memory slice unavailable for DMA. And may cause nasty kernel
warnings if CMA happens to include it.
Change soc's dma-ranges to really reflect it's HW limitation, which is
being able to only DMA to the lower 1GB area.
Fixes: 7dbe8c62ceeb ("ARM: dts: Add minimal Raspberry Pi 4 support")
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Reviewed-by: Phil Elwell <phil@raspberrypi.org>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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The MDIO node on BCM5301X had an reversed #address-cells and
#size-cells properties, correct those, silencing checker warnings:
.../linux/arch/arm/boot/dts/bcm4708-asus-rt-ac56u.dt.yaml: mdio@18003000: #address-cells:0:0: 1 was expected
Reported-by: Simon Horman <simon.horman@netronome.com>
Fixes: 23f1eca6d59b ("ARM: dts: BCM5301X: Specify MDIO bus in the DT")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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The file was moved, causing a build error:
In file included from /git/arm-soc/arch/arm/mach-mmp/pxa168.c:28:
arch/arm/mach-mmp/pxa168.h:22:10: fatal error: cputype.h: No such file or directory
Include it from the new location.
Link: https://lore.kernel.org/r/20191210203409.2875880-1-arnd@arndb.de
Fixes: 32adcaa010fa ("ARM: mmp: move cputype.h to include/linux/soc/")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
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Currently we add individual copy of same OPP table for each CPU within
the cluster. This is redundant and doesn't reflect the reality.
We can't use core cpumask to set policy->cpus in ve_spc_cpufreq_init()
anymore as it gets called via cpuhp_cpufreq_online()->cpufreq_online()
->cpufreq_driver->init() and the cpumask gets updated upon CPU hotplug
operations. It also may cause issues when the vexpress_spc_cpufreq
driver is built as a module.
Since ve_spc_clk_init is built-in device initcall, we should be able to
use the same topology_core_cpumask to set the opp sharing cpumask via
dev_pm_opp_set_sharing_cpus and use the same later in the driver via
dev_pm_opp_get_sharing_cpus.
Cc: Liviu Dudau <liviu.dudau@arm.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Tested-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fix from Herbert Xu:
"Fix another build problem for Wireguard without Crypto"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: arm/curve25519 - add arch-specific key generation function
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Somehow this was forgotten when Zinc was being split into oddly shaped
pieces, resulting in linker errors. The x86_64 glue has a specific key
generation implementation, but the Arm one does not. However, it can
still receive the NEON speedups by calling the ordinary DH function
using the base point.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Pull ARM fixes from Russell King:
- fix CPU topology setup for SCHED_MC case
- fix VDSO regression
* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: 8947/1: Fix __arch_get_hw_counter() access to CNTVCT
ARM: 8943/1: Fix topology setup in case of CPU hotplug for CONFIG_SCHED_MC
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__arch_get_hw_counter() should check clock_mode to see if it can access
CNTVCT. With the conversion to unified vDSO this check has been left out.
This causes on imx v6 and v7 (imx_v6_v7_defconfig) and other platforms to
hang at boot during the execution of the init process as per below:
[ 19.976852] Run /sbin/init as init process
[ 20.044931] Kernel panic - not syncing: Attempted to kill init!
exitcode=0x00000004
Fix the problem verifying that clock_mode is set coherently before
accessing CNTVCT.
Investigated-by: Arnd Bergmann <arnd@arndb.de>
Reported-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Commit ca74b316df96 ("arm: Use common cpu_topology structure and
functions.") changed cpu_coregroup_mask() from the ARM32 specific
implementation in arch/arm/include/asm/topology.h to the one shared
with ARM64 and RISCV in drivers/base/arch_topology.c.
Currently on ARM32 (TC2 w/ CONFIG_SCHED_MC) the task scheduler setup
code (w/ CONFIG_SCHED_DEBUG) shows this during CPU hotplug:
ERROR: groups don't span domain->span
It happens to CPUs of the cluster of the CPU which gets hot-plugged
out on scheduler domain MC.
Turns out that the shared cpu_coregroup_mask() requires that the
hot-plugged CPU is removed from the core_sibling mask via
remove_cpu_topology(). Otherwise the 'is core_sibling subset of
cpumask_of_node()' doesn't work. In this case the task scheduler has to
deal with cpumask_of_node instead of core_sibling which is wrong on
scheduler domain MC.
e.g. CPU3 hot-plugged out on TC2 [cluster0: 0,3-4 cluster1: 1-2]:
cpu_coregroup_mask(): CPU3 cpumask_of_node=0-2,4 core_sibling=0,3-4
^
should be:
cpu_coregroup_mask(): CPU3 cpumask_of_node=0-2,4 core_sibling=0,4
Add remove_cpu_topology() to __cpu_disable() to remove the CPU from the
topology masks in case of a CPU hotplug out operation.
At the same time tweak store_cpu_topology() slightly so it will call
update_siblings_masks() in case of CPU hotplug in operation via
secondary_start_kernel()->smp_store_cpu_info().
This aligns the ARM32 implementation with the ARM64 one.
Guarding remove_cpu_topology() with CONFIG_GENERIC_ARCH_TOPOLOGY is
necessary since some Arm32 defconfigs (aspeed_g5_defconfig,
milbeaut_m10v_defconfig, spear13xx_defconfig) specify an explicit
# CONFIG_ARM_CPU_TOPOLOGY is not set
w/ ./arch/arm/Kconfig: select GENERIC_ARCH_TOPOLOGY if ARM_CPU_TOPOLOGY
Fixes: ca74b316df96 ("arm: Use common cpu_topology structure and functions")
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Tested-by: Lukasz Luba <lukasz.luba@arm.com>
Tested-by: Ondrej Jirman <megous@megous.com>
Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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https://github.com/Broadcom/stblinux into arm/fixes
This pull request contains the second batch of changes for Broadcom
ARM-based SoCs, please pull the following:
- Nicolas declares a CMA area within the first 1GB of DRAM in order for
it to be guaranteed to reside there, otherwise ARM64's memory
initialization will pick up a CMA area within ZONE_DMA32
- Stefan adds the Device Tree node for the built-in Ethernet controller
(GENET) on the Raspberry Pi 4 model B board
* tag 'arm-soc/for-5.5/devicetree-part2' of https://github.com/Broadcom/stblinux:
ARM: dts: bcm2711-rpi-4: Enable GENET support
ARM: dts: bcm2711: force CMA into first GB of memory
Link: https://lore.kernel.org/r/20191118182931.11884-1-f.fainelli@gmail.com
Signed-off-by: Olof Johansson <olof@lixom.net>
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This enables the Gigabit Ethernet support on the Raspberry Pi 4.
The defined PHY mode is equivalent to the default register settings
in the downstream tree.
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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arm64 places the CMA in ZONE_DMA32, which is not good enough for the
Raspberry Pi 4 since it contains peripherals that can only address the
first GB of memory. Explicitly place the CMA into that area.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Acked-by: Stefan Wahren <wahrenst@gmx.net>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux into arm/fixes
SoCFPGA updates for v5.5
- Issue COLD reboot by default for SoCFPGA platforms
* tag 'socfpga_update_for_v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux:
arm: socfpga: execute cold reboot by default
Link: https://lore.kernel.org/r/20191122182106.822-1-dinguyen@kernel.org
Signed-off-by: Olof Johansson <olof@lixom.net>
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This changes system reboot for socfpga to issue a cold reboot by
default instead of a warm reboot.
Warm reboot can still be used by setting reboot_mode to
REBOOT_WARM (e.g. via kernel command line 'reboot='), but this
patch ensures cold reboot is issued for both REBOOT_COLD and
REBOOT_HARD.
Also, cold reboot is more fail safe than warm reboot has some
issues at least fo CSEL=0 and BSEL=qspi, where the boot rom does
not set the qspi clock to a valid range.
Signed-off-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes
Device tree fixes for omap variants for for v5.5 merge window
This series of changes contains fixes for few SoC and board specific
issues that would be good to have merged for v5.5-rc1:
- Fix incorrect MMC card detection polarity for omap3-tao3530
- Fix wrong am57xx-beagle-x15 pinmux named states for eMMC
- Fix dra7 cpsw mdio clock that causes wrong speed
- Fix vcsi for droid4 so it won't get turned off after init
- Fix rev and sysconfig register offsets for omap4 sgx so it can idle
Then there are also two minor late changes to logicpd-torpedo-baseboard
to configure 1-wire HDQ for battery stats, and remove out of date
workaround comments no longer needed.
* tag 'omap-for-v5.5/dt-fixes-merge-window-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: Fix sgx sysconfig register for omap4
ARM: dts: Fix vcsi regulator to be always-on for droid4 to prevent hangs
ARM: dts: dra7: fix cpsw mdio fck clock
ARM: dts: am57xx-beagle-x15: Update pinmux name to ddr_3_3v
ARM: dts: omap3-tao3530: Fix incorrect MMC card detection GPIO polarity
ARM: dts: logicpd-torpedo: Remove unnecessary notes/comments
ARM: dts: logicpd-torpedo-baseboard: Enable HDQ
Link: https://lore.kernel.org/r/pull-1574870758-237468@atomide.com
Signed-off-by: Olof Johansson <olof@lixom.net>
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Looks like we've had the sgx sysconfig register and revision register
always wrong for omap4, including the old platform data. Let's fix the
offsets to what the TRM says. Otherwise the sgx module may never idle
depending on the state of the real sysconfig register.
Fixes: d23a163ebe5a ("ARM: dts: Add nodes for missing omap4 interconnect target modules")
Cc: H. Nikolaus Schaller <hns@goldelico.com>
Cc: Merlijn Wajer <merlijn@wizzup.org>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Sebastian Reichel <sre@kernel.org>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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In addition to using vcsi regulator for the display, looks like droid4 is
using vcsi regulator to trigger off mode internally with the PMIC firmware
when the SoC enters deeper idle states. This is configured in the Motorola
Mapphone Linux kernel sources as "zerov_regulator".
As we currently don't support off mode during idle for omap4, we must
prevent vcsi from being disabled when the display is blanked to prevent
the PMIC change to off mode. Otherwise the device will hang on entering
idle when the display is blanked.
Before commit 089b3f61ecfc ("regulator: core: Let boot-on regulators be
powered off"), the boot-on regulators never got disabled like they should
and vcsi did not get turned off on idle.
Let's fix the issue by setting vcsi to always-on for now. Later on we may
want to claim the vcsi regulator also in the PM code if needed.
Fixes: 089b3f61ecfc ("regulator: core: Let boot-on regulators be powered off")
Cc: Merlijn Wajer <merlijn@wizzup.org>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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The DRA7 CPSW MDIO functional clock (gmac_clkctrl DRA7_GMAC_GMAC_CLKCTRL 0)
is specified incorrectly, which is caused incorrect MDIO bus clock
configuration MDCLK. The correct CPSW MDIO functional clock is
gmac_main_clk (125MHz), which is the same as CPSW fck. Hence fix it.
Fixes: 1faa415c9c6e ("ARM: dts: Add fck for cpsw mdio for omap variants")
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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am57xx-beagle-x15 revb1 and revc have 3.3V connected to the eMMC I/O
lines. Update the pinmux name to reflect this.
Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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The MMC card detection GPIO polarity is active low on TAO3530, like in many
other similar boards. Now the card is not detected and it is unable to
mount rootfs from an SD card.
Fix this by using the correct polarity.
This incorrect polarity was defined already in the commit 30d95c6d7092
("ARM: dts: omap3: Add Technexion TAO3530 SOM omap3-tao3530.dtsi") in v3.18
kernel and later changed to use defined GPIO constants in v4.4 kernel by
the commit 3a637e008e54 ("ARM: dts: Use defined GPIO constants in flags
cell for OMAP2+ boards").
While the latter commit did not introduce the issue I'm marking it with
Fixes tag due the v4.4 kernels still being maintained.
Fixes: 3a637e008e54 ("ARM: dts: Use defined GPIO constants in flags cell for OMAP2+ boards")
Cc: linux-stable <stable@vger.kernel.org> # 4.4+
Signed-off-by: Jarkko Nikula <jarkko.nikula@bitmer.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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There used to be a bug in the video driver that caused the timings
for the LCD to calculate in a way on the DM3730 which made it hang.
The work around for this bug was to set
CONFIG_OMAP2_DSS_MIN_FCK_PER_PCK=4 in the kernel. This work around
is no longer needed as the video drivers have been corrected.
This patch removes the legacy note.
Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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The baseboard of the Logic PD Torpedo development kit has a socket
for a rechargable battery. The battery is monitored by a charger
which can communicate of the the 1-wire HDQ pin.
This patch enables the pinmux for the HDQ pin.
Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes
Few ti-sysc related fixes for v5.5 merge window
Just few minor changes that can be merged when suitable, but would
be good to have these in v5.5-rc1 to remove dependencies between branches
for more changes later on in v5.6:
- Add quirk handling for AESS (Audio Engine Sub System)
- We want to drop the useless gptimer option for omap4 as there are local
timers
- A minor error path handling improvment for sysc_child_add_named_clock()
that will make further patching a bit easier
* tag 'omap-for-v5.5/ti-sysc-late-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
bus: ti-sysc: Adjust exception handling in sysc_child_add_named_clock()
ARM: OMAP2+: Drop useless gptimer option for omap4
bus: ti-sysc: Add module enable quirk for audio AESS
Link: https://lore.kernel.org/r/pull-1574273726-31367@atomide.com
Signed-off-by: Olof Johansson <olof@lixom.net>
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omap-for-v5.5/ti-sysc-late
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We have local timers on Cortex-A9, so using the gptimer option makes no
sense. Let's just drop it for omap4 to simplify the timer options a bit.
If this is really needed, it can be still done by specifying dts properties
in the board specific file for assigned-clocks and assigned-clock-parents.
This gets us a bit closer to start dropping legacy platform data for
gptimers except for timer1 that is used for system clockevent.
Cc: Keerthy <j-keerthy@ti.com>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Few late SoC changes for v5.5 merge window
These changes just clean up few typos, and there is one non-critical
correction of missing put_device() after calling of_platform_populate()
for display controller.
Naturally none of this is urgent and can be merged when suitable.
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Commit fd7d58f0dbc3 ("ARM: multi_v7_defconfig: renormalize based on recent
additions") removed explicit enable line for CONFIG_DEBUG_FS, because
that feature has been selected by other enabled options: CONFIG_TRACING,
which were enabled by CONFIG_PERF_EVENTS.
In meantime, commit 0e4a459f56c3 ("tracing: Remove unnecessary DEBUG_FS
dependency") removed the dependency between CONFIG_DEBUG_FS and
CONFIG_TRACING, so CONFIG_DEBUG_FS is no longer enabled in default builds.
Enable it again explicitly, as debugfs support is essential for various
automated testing tools.
Link: https://lore.kernel.org/r/20191206125112.11006-1-m.szyprowski@samsung.com
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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