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Replace a comment starting with /** by simply /* to avoid having it
interpreted as a kernel-doc comment. Describe missing function
parameters where needed.
Fixes up the following warnings when compiled with make W=1:
linux.git/drivers/thermal/mtk_thermal.c:374: warning: cannot understand
function prototype: 'const struct mtk_thermal_data mt8173_thermal_data =
'
linux.git/drivers/thermal/mtk_thermal.c:413: warning: cannot understand
function prototype: 'const struct mtk_thermal_data mt2701_thermal_data =
'
linux.git/drivers/thermal/mtk_thermal.c:443: warning: cannot understand
function prototype: 'const struct mtk_thermal_data mt2712_thermal_data =
'
linux.git/drivers/thermal/mtk_thermal.c:499: warning: cannot understand
function prototype: 'const struct mtk_thermal_data mt8183_thermal_data =
'
linux.git/drivers/thermal/mtk_thermal.c:529: warning: Function parameter
or member 'sensno' not described in 'raw_to_mcelsius'
Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/ba10b886705879fd1b7d529fec50503d6696df20.1574242756.git.amit.kucheria@linaro.org
Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation 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
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 655 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070034.575739538@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The mtk_thermal struct contains a 'struct mtk_thermal_bank banks[];',
but the allocation only allocates sizeof(struct mtk_thermal) bytes,
which cause out of bound access with the ->banks[] member. Change it to
a fixed size array instead.
Signed-off-by: Pi-Hsun Shih <pihsun@chromium.org>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
MT8183 has two built-in thermal controllers with total six thermal
sensors. And it doesn't have bank, so doesn't need to select bank.
This patch adds support for mt8183.
Signed-off-by: Michael Kao <michael.kao@mediatek.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
For past ic designs, the thermal controller should select banks before
reading the thermal sensor.
And the new ic design architecture removes this mechanism.
Signed-off-by: Michael Kao <michael.kao@mediatek.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
One thermal controller can read four sensors at most,
so we need to add controller_offset for the project with
more than four sensors to reuse the same register settings.
Signed-off-by: Michael Kao <michael.kao@mediatek.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Add calibration item in thermal_data to support
the project with different calibration coefficient.
Signed-off-by: Michael Kao <michael.kao@mediatek.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Each project has different number of vts settings.
For the MT2701 just have to set three vts, but the
original code flow add five unnecessary vts.
Add common index of vts settings for scalablity,
and reduce the setting of unnecessary vts.
Signed-off-by: Michael Kao <michael.kao@mediatek.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
The index of msr and adcpnp should match the sensor
which belongs to the selected bank in the for loop.
Fixes: b7cf005373 ("thermal: Add Mediatek thermal driver for mt2701.")
Signed-off-by: Michael Kao <michael.kao@mediatek.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
The usage of of_device_get_match_data() reduce the code size a bit.
Also, the only way to call mtk_thermal_probe() is to match an entry in
mtk_thermal_of_match[], so of_id cannot be NULL.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
MT7622 SoC has built-in thermal controller with one sensing point, the
patch just is to extend the functionality of the existing logic.
Changes v1 -> v2: rebase to 4.16-rc1
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Shunli Wang <shunli.wang@mediatek.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
The mtk_thermal has some defiens which are never used within the driver.
This patch delets them.
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
This patch adds support for mt2712 chip thermal calibration data
and calculation, and is compatible with the existing chips.
Signed-off-by: Louis Yu <louis.yu@mediatek.com>
Reviewed-by: Dawei Chien <dawei.chien@mediatek.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This patch adds support for mt2712 chip to mtk_thermal,
and integrate mt2712 into the same mediatek thermal driver.
MT2712 has only 1 bank and 4 sensors.
Signed-off-by: Louis Yu <louis.yu@mediatek.com>
Reviewed-by: Dawei Chien <dawei.chien@mediatek.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
If thermal bank with 4 sensors, thermal driver should read TEMP_MSR3.
However, currently thermal driver would not read TEMP_MSR3 since mt8173
thermal driver only use 3 sensors on each thermal bank at the same time,
so this patch would not effect temperature.
Only if mt mt8173 thermal driver use 4 sensors on any thermal bank, would
read third sensor two times, and lose fourth sensor of vale.
cc: stable@vger.kernel.org
Fixes: b7cf005373 ("thermal: Add Mediatek thermal driver for mt2701.")
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Dawei Chien <dawei.chien@mediatek.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Sparse throws following warnings:
drivers/thermal/mtk_thermal.c:186:11: warning: symbol 'mt8173_bank_data' was not declared. Should it be static?
drivers/thermal/mtk_thermal.c:193:11: warning: symbol 'mt8173_msr' was not declared. Should it be static?
drivers/thermal/mtk_thermal.c:197:11: warning: symbol 'mt8173_adcpnp' was not declared. Should it be static?
drivers/thermal/mtk_thermal.c:201:11: warning: symbol 'mt8173_mux_values' was not declared. Should it be static?
drivers/thermal/mtk_thermal.c:204:11: warning: symbol 'mt2701_bank_data' was not declared. Should it be static?
drivers/thermal/mtk_thermal.c:208:11: warning: symbol 'mt2701_msr' was not declared. Should it be static?
drivers/thermal/mtk_thermal.c:212:11: warning: symbol 'mt2701_adcpnp' was not declared. Should it be static?
drivers/thermal/mtk_thermal.c:216:11: warning: symbol 'mt2701_mux_values' was not declared. Should it be static?
Make these variables as static to fix these warnings.
Signed-off-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
devm_thermal_zone_of_sensor_register can fail, so check it's return value.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This patch adds support for mt2701 chip to mtk_thermal,
and integrate both mt8173 and mt2701 on the same driver.
MT8173 has four banks and five sensors, and MT2701 has
only one bank and three sensors.
Signed-off-by: Dawei Chien <dawei.chien@mediatek.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This adds support for the Mediatek thermal controller found on MT8173
and likely other SoCs.
The controller is a bit special. It does not have its own ADC, instead
it controls the on-SoC AUXADC via AHB bus accesses. For this reason
we need the physical address of the AUXADC. Also it controls a mux
using AHB bus accesses, so we need the APMIXEDSYS physical address aswell.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
