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When calling debugfs functions, there is no need to ever check the
return value. The function can work or not, but the code logic should
never do something different based on this.
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Eduardo Valentin <edubezval@gmail.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Ray Jui <rjui@broadcom.com>
Cc: Scott Branden <sbranden@broadcom.com>
Cc: bcm-kernel-feedback-list@broadcom.com
Cc: linux-pm@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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"cat /sys/kernel/debug/bcm2835_thermal/regset" causes a NULL pointer
dereference in bcm2835_thermal_debugfs. The driver makes use of the
implementation details of the thermal framework to retrieve a pointer
to its private data from a struct thermal_zone_device, and gets it
wrong - leading to the crash. Instead, store its private data as the
drvdata and retrieve the thermal_zone_device pointer from it.
Fixes: bcb7dd9ef206 ("thermal: bcm2835: add thermal driver for bcm2835 SoC")
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal
Pull thermal SoC updates from Eduardo Valentin:
- Tegra DT binding documentation for Tegra194
- Armada now supports ap806 and cp110
- RCAR thermal now supports R8A774C0 and R8A77990
- Fixes on thermal_hwmon, IMX, generic-ADC, ST, RCAR, Broadcom,
Uniphier, QCOM, Tegra, PowerClamp, and Armada thermal drivers.
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal: (22 commits)
thermal: generic-adc: Fix adc to temp interpolation
thermal: rcar_thermal: add R8A77990 support
dt-bindings: thermal: rcar-thermal: add R8A77990 support
thermal: rcar_thermal: add R8A774C0 support
dt-bindings: thermal: rcar-thermal: add R8A774C0 support
dt-bindings: cp110: document the thermal interrupt capabilities
dt-bindings: ap806: document the thermal interrupt capabilities
MAINTAINERS: thermal: add entry for Marvell MVEBU thermal driver
thermal: armada: add overheat interrupt support
thermal: st: fix Makefile typo
thermal: uniphier: Convert to SPDX identifier
thermal/intel_powerclamp: Change to use DEFINE_SHOW_ATTRIBUTE macro
thermal: tegra: soctherm: Change to use DEFINE_SHOW_ATTRIBUTE macro
dt-bindings: thermal: tegra-bpmp: Add Tegra194 support
thermal: imx: save one condition block for normal case of nvmem initialization
thermal: imx: fix for dependency on cpu-freq
thermal: tsens: qcom: do not create duplicate regmap debugfs entries
thermal: armada: Use PTR_ERR_OR_ZERO in armada_thermal_probe_legacy()
dt-bindings: thermal: rcar-gen3-thermal: All variants use 3 interrupts
thermal: broadcom: use devm_thermal_zone_of_sensor_register
...
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By defaul of-based thermal driver do not enable hwmon.
This patch does this explicitly, so that the temperature can be read
through the common hwmon sysfs.
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
Acked-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
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Adopt the SPDX license identifier headers to ease license compliance
management.
Cc: Martin Sperl <kernel@martin.sperl.org>
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
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Printk format "%pCr" will be removed soon, as clk_get_rate() must not be
called in atomic context.
Replace it by printing the variable that already holds the clock rate.
Note that calling clk_get_rate() is safe here, as the code runs in task
context.
Link: http://lkml.kernel.org/r/1527845302-12159-3-git-send-email-geert+renesas@glider.be
To: Jia-Ju Bai <baijiaju1990@gmail.com>
To: Jonathan Corbet <corbet@lwn.net>
To: Michael Turquette <mturquette@baylibre.com>
To: Stephen Boyd <sboyd@kernel.org>
To: Zhang Rui <rui.zhang@intel.com>
To: Eduardo Valentin <edubezval@gmail.com>
To: Eric Anholt <eric@anholt.net>
To: Stefan Wahren <stefan.wahren@i2se.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: linux-doc@vger.kernel.org
Cc: linux-clk@vger.kernel.org
Cc: linux-pm@vger.kernel.org
Cc: linux-serial@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-renesas-soc@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: stable@vger.kernel.org # 4.12+
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Petr Mladek <pmladek@suse.com>
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The thermal_zone_of_device_ops structure is only passed as the fourth
argument to thermal_zone_of_sensor_register, which is declared as const.
Thus the thermal_zone_of_device_ops structure itself can be const.
Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
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This causes a static checker because we're passing a valid pointer to
PTR_ERR(). "err" is already the correct error code, so we can just
delete this line.
Fixes: bcb7dd9ef206 ("thermal: bcm2835: add thermal driver for bcm2835 SoC")
Acked-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
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We already have 2 Broadcom drivers and at least 1 more is coming. This
made us create broadcom subdirectory where bcm2835 should be moves now.
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
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