Commit graph

1606 commits

Author SHA1 Message Date
Zak Hays ff6628951c thermal: armada: Clear reset in armadaxp_init
The reset bit needs to be cleared in the init sequence otherwise it
holds the block in reset.

Signed-off-by: Zachary Hays <zhays@lexmark.com>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/BN8PR10MB33797EECAC557B5018A0A6628C580@BN8PR10MB3379.namprd10.prod.outlook.com
2020-01-27 10:24:32 +01:00
Zak Hays 4abb629bea thermal: armada: Fix register offsets for AXP
As shown in its device tree, Armada XP has the control1 register at
0x184d0, not 0x182d0.

Signed-off-by: Zachary Hays <zhays@lexmark.com>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/BN8PR10MB337990B7688320D736760BB68C580@BN8PR10MB3379.namprd10.prod.outlook.com
2020-01-27 10:24:32 +01:00
Daniel Lezcano 2b586feab4 thermal/drivers/Kconfig: Convert the CPU cooling device to a choice
The next changes will add a new way to cool down a CPU by injecting
idle cycles. With the current configuration, a CPU cooling device is
the cpufreq cooling device. As we want to add a new CPU cooling
device, let's convert the CPU cooling to a choice giving a list of CPU
cooling devices. At this point, there is obviously only one CPU
cooling device.

There is no functional changes.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Link: https://lore.kernel.org/r/20191204153930.9128-1-daniel.lezcano@linaro.org
2020-01-27 10:24:32 +01:00
Andrey Smirnov fd8433099c thermal: qoriq: Add hwmon support
Expose thermal readings as a HWMON device, so that it could be
accessed using lm-sensors.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Tested-by: Lucas Stach <l.stach@pengutronix.de>
Cc: Chris Healy <cphealy@gmail.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Eduardo Valentin <edubezval@gmail.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Angus Ainslie (Purism) <angus@akkea.ca>
Cc: linux-imx@nxp.com
Cc: linux-pm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20191210164153.10463-13-andrew.smirnov@gmail.com
2020-01-27 10:24:32 +01:00
Andrey Smirnov c7fc403e40 thermal_hwmon: Add devres wrapper for thermal_add_hwmon_sysfs()
Add devres wrapper for thermal_add_hwmon_sysfs() to simplify driver
code.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Tested-by: Lucas Stach <l.stach@pengutronix.de>
Cc: Chris Healy <cphealy@gmail.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Eduardo Valentin <edubezval@gmail.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Angus Ainslie (Purism) <angus@akkea.ca>
Cc: linux-imx@nxp.com
Cc: linux-pm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20191210164153.10463-12-andrew.smirnov@gmail.com
2020-01-27 10:24:32 +01:00
Andrey Smirnov 36564d7e53 thermal: qoriq: Do not report invalid temperature reading
Before returning measured temperature data to upper layer we need to
make sure that the reading was marked as "valid" to avoid reporting
bogus data.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Tested-by: Lucas Stach <l.stach@pengutronix.de>
Cc: Chris Healy <cphealy@gmail.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Eduardo Valentin <edubezval@gmail.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Angus Ainslie (Purism) <angus@akkea.ca>
Cc: linux-imx@nxp.com
Cc: linux-pm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20191210164153.10463-11-andrew.smirnov@gmail.com
2020-01-27 10:24:32 +01:00
Andrey Smirnov 45038e03d6 thermal: qoriq: Enable all sensors before registering them
Tmu_get_temp will get called as a part of sensor registration via
devm_thermal_zone_of_sensor_register(). To prevent it from retruning
bogus data we need to enable sensor monitoring before that. Looking at
the datasheet (i.MX8MQ RM) there doesn't seem to be any harm in
enabling them all, so, for the sake of simplicity, change the code to
do just that.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Tested-by: Lucas Stach <l.stach@pengutronix.de>
Cc: Chris Healy <cphealy@gmail.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Eduardo Valentin <edubezval@gmail.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Angus Ainslie (Purism) <angus@akkea.ca>
Cc: linux-imx@nxp.com
Cc: linux-pm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20191210164153.10463-10-andrew.smirnov@gmail.com
2020-01-27 10:24:32 +01:00
Andrey Smirnov 4316237bd6 thermal: qoriq: Convert driver to use regmap API
Convert driver to use regmap API, drop custom LE/BE IO helpers and
simplify bit manipulation using regmap_update_bits(). This also allows
us to convert some register initialization to use loops and adds
convenient debug access to TMU registers via debugfs.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Tested-by: Lucas Stach <l.stach@pengutronix.de>
Cc: Chris Healy <cphealy@gmail.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Eduardo Valentin <edubezval@gmail.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Angus Ainslie (Purism) <angus@akkea.ca>
Cc: linux-imx@nxp.com
Cc: linux-pm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20191210164153.10463-9-andrew.smirnov@gmail.com
2020-01-27 10:24:32 +01:00
Andrey Smirnov 01dc58420a thermal: qoriq: Drop unnecessary drvdata cleanup
Driver data of underlying struct device will be set to NULL by Linux's
driver infrastructure. Clearing it here is unnecessary.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Tested-by: Lucas Stach <l.stach@pengutronix.de>
Cc: Chris Healy <cphealy@gmail.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Eduardo Valentin <edubezval@gmail.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Angus Ainslie (Purism) <angus@akkea.ca>
Cc: linux-imx@nxp.com
Cc: linux-pm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20191210164153.10463-8-andrew.smirnov@gmail.com
2020-01-27 10:24:32 +01:00
Andrey Smirnov 8e1cda35c3 thermal: qoriq: Pass data to qoriq_tmu_calibration() directly
We can simplify error cleanup code if instead of passing a "struct
platform_device *" to qoriq_tmu_calibration() and deriving a bunch of
pointers from it, we pass those pointers directly. This way we won't
be force to call platform_set_drvdata() as early in qoriq_tmu_probe()
and need to have "platform_set_drvdata(pdev, NULL);" in error path.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Tested-by: Lucas Stach <l.stach@pengutronix.de>
Cc: Chris Healy <cphealy@gmail.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Eduardo Valentin <edubezval@gmail.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Angus Ainslie (Purism) <angus@akkea.ca>
Cc: linux-imx@nxp.com
Cc: linux-pm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20191210164153.10463-7-andrew.smirnov@gmail.com
2020-01-27 10:24:32 +01:00
Andrey Smirnov 03036625d3 thermal: qoriq: Pass data to qoriq_tmu_register_tmu_zone() directly
Pass all necessary data to qoriq_tmu_register_tmu_zone() directly
instead of passing a platform device and then deriving it. This is
done as a first step to simplify resource deallocation code.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Tested-by: Lucas Stach <l.stach@pengutronix.de>
Cc: Chris Healy <cphealy@gmail.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Eduardo Valentin <edubezval@gmail.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Angus Ainslie (Purism) <angus@akkea.ca>
Cc: linux-imx@nxp.com
Cc: linux-pm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20191210164153.10463-6-andrew.smirnov@gmail.com
2020-01-27 10:24:32 +01:00
Andrey Smirnov b319da1b00 thermal: qoriq: Embed per-sensor data into struct qoriq_tmu_data
Embed per-sensor data into struct qoriq_tmu_data so we can drop the
code allocating it. This also allows us to get rid of per-sensor back
reference to struct qoriq_tmu_data since now its address can be
calculated using container_of().

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Cc: Chris Healy <cphealy@gmail.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Eduardo Valentin <edubezval@gmail.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Angus Ainslie (Purism) <angus@akkea.ca>
Cc: linux-imx@nxp.com
Cc: linux-pm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20191210164153.10463-5-andrew.smirnov@gmail.com
2020-01-27 10:24:32 +01:00
Andrey Smirnov d6fb05647b thermal: qoriq: Add local struct qoriq_sensor pointer
Add local struct qoriq_sensor pointer in qoriq_tmu_register_tmu_zone()
for brevity.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Cc: Chris Healy <cphealy@gmail.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Eduardo Valentin <edubezval@gmail.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Angus Ainslie (Purism) <angus@akkea.ca>
Cc: linux-imx@nxp.com
Cc: linux-pm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20191210164153.10463-4-andrew.smirnov@gmail.com
2020-01-27 10:24:32 +01:00
Andrey Smirnov 11ef00f799 thermal: qoriq: Don't store struct thermal_zone_device reference
Struct thermal_zone_device reference stored as sensor's private data
isn't really used anywhere in the code. Drop it.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Tested-by: Lucas Stach <l.stach@pengutronix.de>
Cc: Chris Healy <cphealy@gmail.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Eduardo Valentin <edubezval@gmail.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Angus Ainslie (Purism) <angus@akkea.ca>
Cc: linux-imx@nxp.com
Cc: linux-pm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20191210164153.10463-3-andrew.smirnov@gmail.com
2020-01-27 10:24:32 +01:00
Andrey Smirnov e167dc4329 thermal: qoriq: Add local struct device pointer
Use a local "struct device *dev" for brevity. No functional change
intended.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Tested-by: Lucas Stach <l.stach@pengutronix.de>
Cc: Chris Healy <cphealy@gmail.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Eduardo Valentin <edubezval@gmail.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Angus Ainslie (Purism) <angus@akkea.ca>
Cc: linux-imx@nxp.com
Cc: linux-pm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20191210164153.10463-2-andrew.smirnov@gmail.com
2020-01-27 10:24:32 +01:00
Amit Kucheria 5ca73af203 thermal: zx2967: Appease the kernel-doc deity
Fix up the following warning when compiled with make W=1:

linux.git/drivers/thermal/zx2967_thermal.c:57: warning: Function
parameter or member 'dev' not described in 'zx2967_thermal_priv'

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/1b4f6fb91e2e713ad5135f0d40dcded65dee9d0e.1574242756.git.amit.kucheria@linaro.org
2020-01-27 10:24:32 +01:00
Amit Kucheria be7b848be5 thermal: amlogic: Appease the kernel-doc deity
Fix up the following warning when compiled with make W=1:

linux.git/drivers/thermal/amlogic_thermal.c:78: warning: Function parameter or member 'A' not described in 'amlogic_thermal_soc_calib_data'
linux.git/drivers/thermal/amlogic_thermal.c:78: warning: Function parameter or member 'B' not described in 'amlogic_thermal_soc_calib_data'
linux.git/drivers/thermal/amlogic_thermal.c:78: warning: Function parameter or member 'm' not described in 'amlogic_thermal_soc_calib_data'
linux.git/drivers/thermal/amlogic_thermal.c:78: warning: Function parameter or member 'n' not described in 'amlogic_thermal_soc_calib_data'

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/139c9191f1a18d528b5f94376facf40291d28244.1574242756.git.amit.kucheria@linaro.org
2020-01-27 10:24:32 +01:00
Amit Kucheria 6a6d634cd8 thermal: tegra: Appease the kernel-doc deity
Fix up the following warning when compiled with make W=1:

linux.git/drivers/thermal/tegra/soctherm.c:369: warning: Function parameter or member 'value' not described in 'ccroc_writel'
linux.git/drivers/thermal/tegra/soctherm.c:369: warning: Excess function parameter 'v' description in 'ccroc_writel'
linux.git/drivers/thermal/tegra/soctherm.c:447: warning: Function parameter or member 'dev' not described in 'enforce_temp_range'
linux.git/drivers/thermal/tegra/soctherm.c:772: warning: Function parameter or member 'sg' not described in 'tegra_soctherm_set_hwtrips'
linux.git/drivers/thermal/tegra/soctherm.c:772: warning: Function parameter or member 'tz' not described in 'tegra_soctherm_set_hwtrips'
linux.git/drivers/thermal/tegra/soctherm.c:944: warning: Function parameter or member 'ts' not described in 'soctherm_oc_intr_enable'
linux.git/drivers/thermal/tegra/soctherm.c:1167: warning: Function parameter or member 'data' not described in 'soctherm_oc_irq_disable'
linux.git/drivers/thermal/tegra/soctherm.c:1167: warning: Excess function parameter 'irq_data' description in 'soctherm_oc_irq_disable'
linux.git/drivers/thermal/tegra/soctherm.c:1224: warning: Function parameter or member 'ctrlr' not described in 'soctherm_irq_domain_xlate_twocell'
linux.git/drivers/thermal/tegra/soctherm.c:1686: warning: Function parameter or member 'pdev' not described in 'soctherm_init_hw_throt_cdev'
linux.git/drivers/thermal/tegra/soctherm.c:1764: warning: Function parameter or member 'ts' not described in 'throttlectl_cpu_level_cfg'
linux.git/drivers/thermal/tegra/soctherm.c:1812: warning: Function parameter or member 'ts' not described in 'throttlectl_cpu_level_select'
linux.git/drivers/thermal/tegra/soctherm.c:1855: warning: Function parameter or member 'ts' not described in 'throttlectl_cpu_mn'
linux.git/drivers/thermal/tegra/soctherm.c:1886: warning: Function parameter or member 'ts' not described in 'throttlectl_gpu_level_select'
linux.git/drivers/thermal/tegra/soctherm.c:1928: warning: Function parameter or member 'ts' not described in 'soctherm_throttle_program'

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/db764f71253bb2ad569b0aeab4c91207a39317ce.1574242756.git.amit.kucheria@linaro.org
2020-01-27 10:24:32 +01:00
Amit Kucheria 9625e9e694 thermal: samsung: Appease the kernel-doc deity
Fix up the following warning when compiled with make W=1:

linux.git/drivers/thermal/samsung/exynos_tmu.c:141: warning: bad
line:         driver
linux.git/drivers/thermal/samsung/exynos_tmu.c:203: warning: Function
parameter or member 'tzd' not described in 'exynos_tmu_data'
linux.git/drivers/thermal/samsung/exynos_tmu.c:203: warning: Function
parameter or member 'tmu_set_trip_temp' not described in
'exynos_tmu_data'
linux.git/drivers/thermal/samsung/exynos_tmu.c:203: warning: Function
parameter or member 'tmu_set_trip_hyst' not described in
'exynos_tmu_data'

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/1ded1697c6e5eff11b034b3302b9c79e88fa9c42.1574242756.git.amit.kucheria@linaro.org
2020-01-27 10:24:32 +01:00
Amit Kucheria 66ec4bfcb5 thermal: rockchip: Appease the kernel-doc deity
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/rockchip_thermal.c:27: warning: cannot
understand function prototype: 'enum tshut_mode '
linux.git/drivers/thermal/rockchip_thermal.c:37: warning: cannot
understand function prototype: 'enum tshut_polarity '
linux.git/drivers/thermal/rockchip_thermal.c:46: warning: cannot
understand function prototype: 'enum sensor_id '
linux.git/drivers/thermal/rockchip_thermal.c:56: warning: cannot
understand function prototype: 'enum adc_sort_mode '
linux.git/drivers/thermal/rockchip_thermal.c:123: warning: Function
parameter or member 'chn_id' not described in 'rockchip_tsadc_chip'
linux.git/drivers/thermal/rockchip_thermal.c:123: warning: Function
parameter or member 'control' not described in 'rockchip_tsadc_chip'
linux.git/drivers/thermal/rockchip_thermal.c:167: warning: Function
parameter or member 'sensors' not described in 'rockchip_thermal_data'
linux.git/drivers/thermal/rockchip_thermal.c:608: warning: Function
parameter or member 'grf' not described in 'rk_tsadcv2_initialize'
linux.git/drivers/thermal/rockchip_thermal.c:608: warning: Function
parameter or member 'regs' not described in 'rk_tsadcv2_initialize'
linux.git/drivers/thermal/rockchip_thermal.c:608: warning: Function
parameter or member 'tshut_polarity' not described in
'rk_tsadcv2_initialize'
linux.git/drivers/thermal/rockchip_thermal.c:644: warning: Function
parameter or member 'grf' not described in 'rk_tsadcv3_initialize'
linux.git/drivers/thermal/rockchip_thermal.c:644: warning: Function
parameter or member 'regs' not described in 'rk_tsadcv3_initialize'
linux.git/drivers/thermal/rockchip_thermal.c:644: warning: Function
parameter or member 'tshut_polarity' not described in
'rk_tsadcv3_initialize'
linux.git/drivers/thermal/rockchip_thermal.c:732: warning: Function
parameter or member 'regs' not described in 'rk_tsadcv3_control'
linux.git/drivers/thermal/rockchip_thermal.c:732: warning: Function
parameter or member 'enable' not described in 'rk_tsadcv3_control'
linux.git/drivers/thermal/rockchip_thermal.c:1211: warning: Function
parameter or member 'reset' not described in
'rockchip_thermal_reset_controller'

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/c3cbdb0619fec602668ba7ae703ba49d67e30b33.1574242756.git.amit.kucheria@linaro.org
2020-01-27 10:24:32 +01:00
Amit Kucheria 3772bb4220 thermal: mediatek: Appease the kernel-doc deity
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
2020-01-27 10:24:32 +01:00
Amit Kucheria 0f43e646dd thermal: max77620: Appease the kernel-doc deity
Fix up the following warning when compiled with make W=1:

linux.git/drivers/thermal/max77620_thermal.c:48: warning: Function
parameter or member 'temp' not described in 'max77620_thermal_read_temp'

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/c943d51e7913a4b73cda447547b8ee77c857f7ba.1574242756.git.amit.kucheria@linaro.org
2020-01-27 10:24:32 +01:00
Amit Kucheria 1b5cb95706 thermal: devfreq_cooling: Appease the kernel-doc deity
Fix up the following warnings with make W=1:

linux.git/drivers/thermal/devfreq_cooling.c:68: warning: Function
parameter or member 'capped_state' not described in
'devfreq_cooling_device'
linux.git/drivers/thermal/devfreq_cooling.c:593: warning: Function
parameter or member 'cdev' not described in 'devfreq_cooling_unregister'
linux.git/drivers/thermal/devfreq_cooling.c:593: warning: Excess
function parameter 'dfc' description in 'devfreq_cooling_unregister'

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/7059d82472fe12139fc7a3379c5b9716a23cce5c.1574242756.git.amit.kucheria@linaro.org
2020-01-27 10:24:32 +01:00
Amit Kucheria 53d256e796 thermal: step_wise: Appease the kernel-doc deity
Replace - with : to appease the kernel-doc gods and fix warnings such as
the following when compiled with make W=1:

linux-amit.git/drivers/thermal/step_wise.c:187: warning: Function
parameter or member 'tz' not described in 'step_wise_throttle'
linux-amit.git/drivers/thermal/step_wise.c:187: warning: Function
parameter or member 'trip' not described in 'step_wise_throttle'

linux.git/drivers/thermal/fair_share.c:79: warning: Function parameter
or member 'tz' not described in 'fair_share_throttle'
linux.git/drivers/thermal/fair_share.c:79: warning: Function parameter
or member 'trip' not described in 'fair_share_throttle'

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/5d48ac6f85667a53902092ad5bbfef8cc89a7162.1574242756.git.amit.kucheria@linaro.org
2020-01-27 10:24:32 +01:00
Amit Kucheria 7b4e7f07a2 thermal: cpu_cooling: Appease the kernel-doc deity
Describe the function parameter to fix the following warning with make
W=1:

linux.git/drivers/thermal/cpu_cooling.c:92: warning: Function parameter
or member 'qos_req' not described in 'cpufreq_cooling_device'

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/ddb09e9728533c274edae7ff3da515b3cf7ef231.1574242756.git.amit.kucheria@linaro.org
2020-01-27 10:24:32 +01:00
Amit Kucheria faae0ed7a5 thermal: of-thermal: Appease the kernel-doc deity
Replace a comment starting with /** by simply /* to avoid having
it interpreted as a kernel-doc comment.

Fixes the following warning when compile with make W=1:
linux.git/drivers/thermal/of-thermal.c:761: warning: cannot understand function prototype: 'const char *trip_types[] = '

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/dc742789bf4b3c8207b01c7946f2b401350536a7.1574242756.git.amit.kucheria@linaro.org
2020-01-27 10:24:32 +01:00
Linus Walleij c56dcfa3d4 thermal: db8500: Depromote debug print
We are not interested in getting this debug print on our
console all the time.

Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Stephan Gerhold <stephan@gerhold.net>
Fixes: 6c375eccde ("thermal: db8500: Rewrite to be a pure OF sensor")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20191119074650.2664-1-linus.walleij@linaro.org
2020-01-27 10:24:32 +01:00
Amit Kucheria 344fa0bad6 drivers: thermal: tsens: Work with old DTBs
In order for the old DTBs to continue working, the new interrupt code
must not return an error if interrupts are not defined. Don't return an
error in case of -ENXIO.

Fixes: 634e11d5b4 ("drivers: thermal: tsens: Add interrupt support")
Suggested-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Tested-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/cea3317c5d793db312064d68b261ad420a4a81b1.1576146898.git.amit.kucheria@linaro.org
2020-01-07 08:22:35 +01:00
YueHaibing 5026061424 thermal: power_allocator: Fix Kconfig warning
When do randbuiding, we got this:

WARNING: unmet direct dependencies detected for THERMAL_GOV_POWER_ALLOCATOR
  Depends on [n]: THERMAL [=y] && ENERGY_MODEL [=n]
  Selected by [y]:
  - THERMAL_DEFAULT_GOV_POWER_ALLOCATOR [=y] && <choice>

The Kconfig option THERMAL_DEFAULT_GOV_POWER_ALLOCATOR selects the
THERMAL_GOV_POWER_ALLOCATOR but this one depends on the ENERGY_MODEL
which is not enabled.

Make THERMAL_DEFAULT_GOV_POWER_ALLOCATOR depend on THERMAL_GOV_POWER_ALLOCATOR
to fix this warning.

Suggested-by: Quentin Perret <qperret@google.com>
Fixes: a4e893e802 ("thermal: cpu_cooling: Migrate to using the EM framework")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Link: https://lore.kernel.org/r/20191113105313.41616-1-yuehaibing@huawei.com
2019-12-07 21:49:06 +08:00
Linus Torvalds fb3da48a86 Merge branch 'thermal/next' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux
Pull thermal management updates from Zhang Rui:

 - Fix a deadlock regression in thermal core framework, which was
   introduced in 5.3 (Wei Wang)

 - Initialize thermal control framework earlier to enable thermal
   mitigation during boot (Amit Kucheria)

 - Convert the Intelligent Power Allocator (IPA) thermal governor to
   follow the generic PM_EM instead of its own Energy Model (Quentin
   Perret)

 - Introduce a new Amlogic soc thermal driver (Guillaume La Roque)

 - Add interrupt support for tsens thermal driver (Amit Kucheria)

 - Add support for MSM8956/8976 in tsens thermal driver
   (AngeloGioacchino Del Regno)

 - Add support for r8a774b1 in rcar thermal driver (Biju Das)

 - Add support for Thermal Monitor Unit v2 in qoriq thermal driver
   (Yuantian Tang)

 - Some other fixes/cleanups on thermal core framework and soc thermal
   drivers (Colin Ian King, Daniel Lezcano, Hsin-Yi Wang, Tian Tao)

* 'thermal/next' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux: (32 commits)
  thermal: Fix deadlock in thermal thermal_zone_device_check
  thermal: cpu_cooling: Migrate to using the EM framework
  thermal: cpu_cooling: Make the power-related code depend on IPA
  PM / EM: Declare EM data types unconditionally
  arm64: defconfig: Enable CONFIG_ENERGY_MODEL
  drivers: thermal: tsens: fix potential integer overflow on multiply
  thermal: cpu_cooling: Reorder the header file
  thermal: cpu_cooling: Remove pointless dependency on CONFIG_OF
  thermal: no need to set .owner when using module_platform_driver
  thermal: qcom: tsens-v1: Fix kfree of a non-pointer value
  cpufreq: qcom-hw: Move driver initialization earlier
  clk: qcom: Initialize clock drivers earlier
  cpufreq: Initialize cpufreq-dt driver earlier
  cpufreq: Initialize the governors in core_initcall
  thermal: Initialize thermal subsystem earlier
  thermal: Remove netlink support
  dt: thermal: tsens: Document compatible for MSM8976/56
  thermal: qcom: tsens-v1: Add support for MSM8956 and MSM8976
  MAINTAINERS: add entry for Amlogic Thermal driver
  thermal: amlogic: Add thermal driver to support G12 SoCs
  ...
2019-12-05 11:21:24 -08:00
William Breathitt Gray 9f00ebf518 thermal: intel: intel_soc_dts_iosf: Utilize for_each_set_clump8 macro
Utilize for_each_set_clump8 macro, and the bitmap_set_value8 and
bitmap_get_value8 functions, where appropriate.  In addition, remove the
now unnecessary temp_mask and temp_shift members of the
intel_soc_dts_sensor_entry structure.

Link: http://lkml.kernel.org/r/2d3c74e9a00a52954f31d19e04623a7f4bc85520.1570641097.git.vilhelm.gray@gmail.com
Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Lukas Wunner <lukas@wunner.de>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Mathias Duckeck <m.duckeck@kunbus.de>
Cc: Morten Hein Tiljeset <morten.tiljeset@prevas.dk>
Cc: Phil Reid <preid@electromag.com.au>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Sean Nyekjaer <sean.nyekjaer@prevas.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-12-04 19:44:12 -08:00
Linus Torvalds 67b8ed29e0 platform-drivers-x86 for v5.5-1
* New bootctl driver for Mellanox BlueField SoC.
 
 * New driver to support System76 laptops.
 
 * Temperature monitoring and fan control on Acer Aspire 7551
   is now supported.
 
 * Previously the Huawei driver handled only hotkeys.
   After the conversion to WMI it has been expanded
   to support newer laptop models.
 
 * Big refactoring of intel-speed-select tools allows to
   use it on Intel CascadeLake-N systems.
 
 * Touchscreen support for ezpad 6 m4 and
   Schneider SCT101CTM tablets
 
 * Miscellaneous clean ups and fixes here and there.
 
 The following is an automated git shortlog grouped by driver:
 
 acerhdf:
  -  Add support for Acer Aspire 7551
  -  Rename Peter Feuerer to Peter Kaestle
 
 Add System76 ACPI driver:
  - Add System76 ACPI driver
 
 asus-laptop:
  -  switch to using polled mode of input devices
 
 classmate-laptop:
  -  remove unused variable
 
 dell-laptop:
  -  disable kbd backlight on Inspiron 10xx
 
 hdaps:
  -  switch to using polled mode of input devices
 
 hp-wmi:
  -  Fix ACPI errors caused by passing 0 as input size
  -  Fix ACPI errors caused by too small buffer
 
 huawei-wmi:
  -  Remove unnecessary battery mutex
  -  No need to check for battery name
  -  Stricter battery thresholds set
  -  Fix a precision vs width printf bug
  -  Avoid use of global variable when possible
  -  No need to keep pointer to platform device
  -  Don't leak memory on the exit
  -  huawei_wmi can be static
  -  Add debugfs support
  -  Add fn-lock support
  -  Add battery charging thresholds
  -  Implement huawei wmi management
  -  Add quirks and module parameters
  -  Move to platform driver
 
 i2c-multi-instantiate:
  -  Fail the probe if no IRQ provided
 
 intel_cht_int33fe:
  -  Split code to Micro-B and Type-C
 
 intel_int0002_vgpio:
  -  Pass irqchip when adding gpiochip
 
 intel_pmc_core:
  -  Add Comet Lake (CML) platform support to intel_pmc_core driver
  -  Fix the SoC naming inconsistency
 
 intel_punit_ipc:
  -  Drop useless label
  -  use devm_platform_ioremap_resource() to simplify code
  -  Avoid error message when retrieving IRQ
 
 peaq-wmi:
  -  switch to using polled mode of input devices
 
 platform/mellanox:
  -  Fix Kconfig indentation
  -  Add bootctl driver for Mellanox BlueField Soc
 
 tools/power/x86/intel-speed-select:
  -  Display TRL buckets for just base config level
  -  Ignore missing config level
  -  Increment version
  -  Use core count for base-freq mask
  -  Support platform with limited Intel(R) Speed Select
  -  Use Frequency weight for CLOS
  -  Make CLOS frequency in MHz
  -  Use mailbox for CLOS_PM_QOS_CONFIG
  -  Auto mode for CLX
  -  Correct CLX-N frequency units
  -  Change display of "avx" to "avx2"
  -  Extend command set for perf-profile
  -  Implement base-freq commands on CascadeLake-N
  -  Implement 'perf-profile info' on CascadeLake-N
  -  Implement CascadeLake-N help and command functions structures
  -  Add check for CascadeLake-N models
  -  Make process_command generic
  -  Add int argument to command functions
  -  Refuse to disable core-power when getting used
  -  Turbo-freq feature auto mode
  -  Base-freq feature auto mode
  -  Remove warning for unused result
 
 toshiba_acpi:
  -  do not select INPUT_POLLDEV
 
 touchscreen_dmi:
  -  Add info for the ezpad 6 m4 tablet
  -  Add touchscreen platform data for the Schneider SCT101CTM tablet
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Merge tag 'platform-drivers-x86-v5.5-1' of git://git.infradead.org/linux-platform-drivers-x86

Pull x86 platform driver updates from Andy Shevchenko:

 - New bootctl driver for Mellanox BlueField SoC.

 - New driver to support System76 laptops.

 - Temperature monitoring and fan control on Acer Aspire 7551 is now
   supported.

 - Previously the Huawei driver handled only hotkeys. After the
   conversion to WMI it has been expanded to support newer laptop
   models.

 - Big refactoring of intel-speed-select tools allows to use it on Intel
   CascadeLake-N systems.

 - Touchscreen support for ezpad 6 m4 and Schneider SCT101CTM tablets

 - Miscellaneous clean ups and fixes here and there.

* tag 'platform-drivers-x86-v5.5-1' of git://git.infradead.org/linux-platform-drivers-x86: (59 commits)
  platform/x86: hp-wmi: Fix ACPI errors caused by passing 0 as input size
  platform/x86: hp-wmi: Fix ACPI errors caused by too small buffer
  platform/x86: intel_pmc_core: Add Comet Lake (CML) platform support to intel_pmc_core driver
  platform/x86: intel_pmc_core: Fix the SoC naming inconsistency
  platform/mellanox: Fix Kconfig indentation
  tools/power/x86/intel-speed-select: Display TRL buckets for just base config level
  tools/power/x86/intel-speed-select: Ignore missing config level
  platform/x86: touchscreen_dmi: Add info for the ezpad 6 m4 tablet
  tools/power/x86/intel-speed-select: Increment version
  tools/power/x86/intel-speed-select: Use core count for base-freq mask
  tools/power/x86/intel-speed-select: Support platform with limited Intel(R) Speed Select
  tools/power/x86/intel-speed-select: Use Frequency weight for CLOS
  tools/power/x86/intel-speed-select: Make CLOS frequency in MHz
  tools/power/x86/intel-speed-select: Use mailbox for CLOS_PM_QOS_CONFIG
  tools/power/x86/intel-speed-select: Auto mode for CLX
  tools/power/x86/intel-speed-select: Correct CLX-N frequency units
  tools/power/x86/intel-speed-select: Change display of "avx" to "avx2"
  tools/power/x86/intel-speed-select: Extend command set for perf-profile
  Add touchscreen platform data for the Schneider SCT101CTM tablet
  platform/x86: intel_int0002_vgpio: Pass irqchip when adding gpiochip
  ...
2019-12-01 18:24:25 -08:00
Wei Wang 163b00cde7 thermal: Fix deadlock in thermal thermal_zone_device_check
1851799e1d ("thermal: Fix use-after-free when unregistering thermal zone
device") changed cancel_delayed_work to cancel_delayed_work_sync to avoid
a use-after-free issue. However, cancel_delayed_work_sync could be called
insides the WQ causing deadlock.

[54109.642398] c0   1162 kworker/u17:1   D    0 11030      2 0x00000000
[54109.642437] c0   1162 Workqueue: thermal_passive_wq thermal_zone_device_check
[54109.642447] c0   1162 Call trace:
[54109.642456] c0   1162  __switch_to+0x138/0x158
[54109.642467] c0   1162  __schedule+0xba4/0x1434
[54109.642480] c0   1162  schedule_timeout+0xa0/0xb28
[54109.642492] c0   1162  wait_for_common+0x138/0x2e8
[54109.642511] c0   1162  flush_work+0x348/0x40c
[54109.642522] c0   1162  __cancel_work_timer+0x180/0x218
[54109.642544] c0   1162  handle_thermal_trip+0x2c4/0x5a4
[54109.642553] c0   1162  thermal_zone_device_update+0x1b4/0x25c
[54109.642563] c0   1162  thermal_zone_device_check+0x18/0x24
[54109.642574] c0   1162  process_one_work+0x3cc/0x69c
[54109.642583] c0   1162  worker_thread+0x49c/0x7c0
[54109.642593] c0   1162  kthread+0x17c/0x1b0
[54109.642602] c0   1162  ret_from_fork+0x10/0x18
[54109.643051] c0   1162 kworker/u17:2   D    0 16245      2 0x00000000
[54109.643067] c0   1162 Workqueue: thermal_passive_wq thermal_zone_device_check
[54109.643077] c0   1162 Call trace:
[54109.643085] c0   1162  __switch_to+0x138/0x158
[54109.643095] c0   1162  __schedule+0xba4/0x1434
[54109.643104] c0   1162  schedule_timeout+0xa0/0xb28
[54109.643114] c0   1162  wait_for_common+0x138/0x2e8
[54109.643122] c0   1162  flush_work+0x348/0x40c
[54109.643131] c0   1162  __cancel_work_timer+0x180/0x218
[54109.643141] c0   1162  handle_thermal_trip+0x2c4/0x5a4
[54109.643150] c0   1162  thermal_zone_device_update+0x1b4/0x25c
[54109.643159] c0   1162  thermal_zone_device_check+0x18/0x24
[54109.643167] c0   1162  process_one_work+0x3cc/0x69c
[54109.643177] c0   1162  worker_thread+0x49c/0x7c0
[54109.643186] c0   1162  kthread+0x17c/0x1b0
[54109.643195] c0   1162  ret_from_fork+0x10/0x18
[54109.644500] c0   1162 cat             D    0  7766      1 0x00000001
[54109.644515] c0   1162 Call trace:
[54109.644524] c0   1162  __switch_to+0x138/0x158
[54109.644536] c0   1162  __schedule+0xba4/0x1434
[54109.644546] c0   1162  schedule_preempt_disabled+0x80/0xb0
[54109.644555] c0   1162  __mutex_lock+0x3a8/0x7f0
[54109.644563] c0   1162  __mutex_lock_slowpath+0x14/0x20
[54109.644575] c0   1162  thermal_zone_get_temp+0x84/0x360
[54109.644586] c0   1162  temp_show+0x30/0x78
[54109.644609] c0   1162  dev_attr_show+0x5c/0xf0
[54109.644628] c0   1162  sysfs_kf_seq_show+0xcc/0x1a4
[54109.644636] c0   1162  kernfs_seq_show+0x48/0x88
[54109.644656] c0   1162  seq_read+0x1f4/0x73c
[54109.644664] c0   1162  kernfs_fop_read+0x84/0x318
[54109.644683] c0   1162  __vfs_read+0x50/0x1bc
[54109.644692] c0   1162  vfs_read+0xa4/0x140
[54109.644701] c0   1162  SyS_read+0xbc/0x144
[54109.644708] c0   1162  el0_svc_naked+0x34/0x38
[54109.845800] c0   1162 D 720.000s 1->7766->7766 cat [panic]

Fixes: 1851799e1d ("thermal: Fix use-after-free when unregistering thermal zone device")
Cc: stable@vger.kernel.org
Signed-off-by: Wei Wang <wvw@google.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2019-11-14 22:41:09 +08:00
Quentin Perret a4e893e802 thermal: cpu_cooling: Migrate to using the EM framework
The newly introduced Energy Model framework manages power cost tables in
a generic way. Moreover, it supports several types of models since the
tables can come from DT or firmware (through SCMI) for example. On the
other hand, the cpu_cooling subsystem manages its own power cost tables
using only DT data.

In order to avoid the duplication of data in the kernel, and in order to
enable IPA with EMs coming from more than just DT, remove the private
tables from cpu_cooling.c and migrate it to using the centralized EM
framework. Doing so should have no visible functional impact for
existing users of IPA since:

 - recent extenstions to the the PM_OPP infrastructure enable the
   registration of EMs in PM_EM using the DT property used by IPA;

 - the existing upstream cpufreq drivers marked with the
   'CPUFREQ_IS_COOLING_DEV' flag all use the aforementioned PM_OPP
   infrastructure, which means they all support PM_EM. The only two
   exceptions are qoriq-cpufreq which doesn't in fact use an EM and
   scmi-cpufreq which doesn't use DT for power costs.

For existing users of cpu_cooling, PM_EM tables will contain the exact
same power values that IPA used to compute on its own until now. The
only new dependency for them is to compile in CONFIG_ENERGY_MODEL.

The case where the thermal subsystem is used without an Energy Model
(cpufreq_cooling_ops) is handled by looking directly at CPUFreq's
frequency table which is already a dependency for cpu_cooling.c anyway.
Since the thermal framework expects the cooling states in a particular
order, bail out whenever the CPUFreq table is unsorted, since that is
fairly uncommon in general, and there are currently no users of
cpu_cooling for this use-case.

Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Quentin Perret <qperret@google.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20191030151451.7961-5-qperret@google.com
2019-11-07 07:02:40 +01:00
Quentin Perret 5a4e5b7895 thermal: cpu_cooling: Make the power-related code depend on IPA
The core CPU cooling infrastructure has power-related functions
that have only one client: IPA. Since there can be no user of those
functions if IPA is not compiled in, make sure to guard them with
checks on CONFIG_THERMAL_GOV_POWER_ALLOCATOR to not waste space
unnecessarily.

Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Suggested-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Quentin Perret <qperret@google.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20191030151451.7961-4-qperret@google.com
2019-11-07 07:02:40 +01:00
Colin Ian King f0a353b4d1 drivers: thermal: tsens: fix potential integer overflow on multiply
Currently a multiply operation is being performed on two int values
and the result is being assigned to a u64, presumably because the
end result is expected to be probably larger than an int. However,
because the multiply is an int multiply one can get overflow. Avoid
the overflow by casting degc to a u64 to force a u64 multiply.

Also use div_u64 for the divide as suggested by Daniel Lezcano.

Addresses-Coverity: ("Unintentional integer overflow")
Fixes: fbfe1a042cfd ("drivers: thermal: tsens: Add interrupt support")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org>
Link: https://lore.kernel.org/r/20191101100035.25502-1-colin.king@canonical.com
2019-11-07 07:00:26 +01:00
Tian Tao 76bf653f08 thermal: no need to set .owner when using module_platform_driver
the module_platform_driver will call platform_driver_register.
and It will set the .owner to THIS_MODULE

Signed-off-by: Tian Tao <tiantao6@huawei.com>
Acked-by: Talel Shenhar <talel@amazon.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/1572051875-35861-1-git-send-email-tiantao6@huawei.com
2019-11-07 07:00:26 +01:00
Colin Ian King c7071f4914 thermal: qcom: tsens-v1: Fix kfree of a non-pointer value
Currently the kfree of pointer qfprom_cdata is kfreeing an
error value that has been cast to a pointer rather than a
valid address.  Fix this by removing the kfree.

Fixes: 95ededc17e4e ("thermal: qcom: tsens-v1: Add support for MSM8956 and MSM8976")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Tested-by: AngeloGioacchino Del Regno <kholk11@gmail.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20191022111806.23143-1-colin.king@canonical.com
2019-11-07 07:00:26 +01:00
Amit Kucheria ae16a688f6 thermal: Initialize thermal subsystem earlier
Now that the thermal framework is built-in, in order to facilitate
thermal mitigation as early as possible in the boot cycle, move the
thermal framework initialization to core_initcall.

Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/f8ff0ab4a8e9c2eca5a26fb2256365b26cb326ce.1571656015.git.amit.kucheria@linaro.org
2019-11-07 07:00:26 +01:00
Amit Kucheria f96c8e5015 thermal: Remove netlink support
There are no users of netlink messages for thermal inside the kernel.
Remove the code and adjust the documentation.

Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/8ff02cf62186c7a54fff325fad40a2e9ca3affa6.1571656014.git.amit.kucheria@linaro.org
2019-11-07 07:00:26 +01:00
AngeloGioacchino Del Regno 0e58029017 thermal: qcom: tsens-v1: Add support for MSM8956 and MSM8976
Add support for reading calibrated value from thermistors in
MSM8956, MSM8976 and their APQ variants.

Signed-off-by: AngeloGioacchino Del Regno <kholk11@gmail.com>
Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20191005104133.30297-2-kholk11@gmail.com
2019-11-07 07:00:26 +01:00
Guillaume La Roque 421eda108e thermal: amlogic: Add thermal driver to support G12 SoCs
Amlogic G12A and G12B SoCs integrate two thermal sensors
with the same design. One is located close to the DDR controller
and the other one is located close to the PLLs (between the CPU and GPU).

The calibration data for each of the thermal sensors instance is stored
in a different location within the AO region.

Implement reading the temperature from each thermal sensor.

The IP block has more functionality, which may be added to this driver
in the future:
- chip reset when the temperature exceeds a configurable threshold
- up to four interrupts when the temperature has risen above a
configurable threshold
- up to four interrupts when the temperature has fallen below a
configurable threshold

Tested-by: Christian Hewitt <christianshewitt@gmail.com>
Tested-by: Kevin Hilman <khilman@baylibre.com>
Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org>
Signed-off-by: Guillaume La Roque <glaroque@baylibre.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20191004090114.30694-3-glaroque@baylibre.com
2019-11-07 07:00:26 +01:00
Amit Kucheria 634e11d5b4 drivers: thermal: tsens: Add interrupt support
Depending on the IP version, TSENS supports upper, lower and critical
threshold interrupts. We only add support for upper and lower threshold
interrupts for now.

TSENSv2 has an irq [status|clear|mask] bit tuple for each sensor while
earlier versions only have a single bit per sensor to denote status and
clear. These differences are handled transparently by the interrupt
handler. At each interrupt, we reprogram the new upper and lower threshold
in the .set_trip callback.

Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/7508ba143f144407e5dd546107ddae65c380a76f.1572526427.git.amit.kucheria@linaro.org
2019-11-07 07:00:26 +01:00
Amit Kucheria bd93ee3cb4 drivers: thermal: tsens: Create function to return sign-extended temperature
Hide the details of how to convert values read from TSENS HW to mCelsius
behind a function. All versions of the IP can be supported as a result.

Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/0689917475cf83b7e01f6978504fd37352a5e3ca.1572526427.git.amit.kucheria@linaro.org
2019-11-07 07:00:26 +01:00
Amit Kucheria 7c938f4837 drivers: thermal: tsens: Add debugfs support
Dump some basic version info and sensor details into debugfs. Example
from qcs404 below:

--(/sys/kernel/debug) $ ls tsens/
4a9000.thermal-sensor  version
--(/sys/kernel/debug) $ cat tsens/version
1.4.0
--(/sys/kernel/debug) $ cat tsens/4a9000.thermal-sensor/sensors
max: 11
num: 10

      id    slope   offset
------------------------
       0     3200   404000
       1     3200   404000
       2     3200   404000
       3     3200   404000
       4     3200   404000
       5     3200   404000
       6     3200   404000
       7     3200   404000
       8     3200   404000
       9     3200   404000

Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/16e39c1bbfc18b5cf6274620cd72cc63205f53a5.1572526427.git.amit.kucheria@linaro.org
2019-11-07 07:00:26 +01:00
Amit Kucheria 3795ad5e26 drivers: thermal: tsens: Add __func__ identifier to debug statements
Printing the function name when enabling debugging makes logs easier to
read.

Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/18717de35f31098d3ebc12564c2767b6d54d37d8.1572526427.git.amit.kucheria@linaro.org
2019-11-07 07:00:26 +01:00
Amit Kucheria 0e9c0bc730 drivers: thermal: tsens: Simplify code flow in tsens_probe
Move platform_set_drvdata up to avoid an extra 'if (ret)' check after
the call to tsens_register.

Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/184422dcc1c12553e71a58c62e01425fd7d1172a.1572526427.git.amit.kucheria@linaro.org
2019-11-07 07:00:26 +01:00
Amit Kucheria 8b71bce407 drivers: thermal: tsens: Get rid of id field in tsens_sensor
There are two fields - id and hw_id - to track what sensor an action was
to performed on. This was because the sensors connected to a TSENS IP
might not be contiguous i.e. 1, 2, 4, 5 with 3 being skipped.

This causes confusion in the code which uses hw_id sometimes and id
other times (tsens_get_temp, tsens_get_trend).

Switch to only using the hw_id field to track the physical ID of the
sensor. When we iterate through all the sensors connected to an IP
block, we use an index i to loop through the list of sensors, and then
return the actual hw_id that is registered on that index.

Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/30206cd47d303d2dcaef87f4e3c7173481a0bddd.1572526427.git.amit.kucheria@linaro.org
2019-11-07 07:00:26 +01:00
Yuantian Tang 9809797b93 thermal: qoriq: add thermal monitor unit version 2 support
Thermal Monitor Unit v2 is introduced on new Layscape SoC.
Compared to v1, TMUv2 has a little different register layout
and digital output is fairly linear.

Signed-off-by: Yuantian Tang <andy.tang@nxp.com>
Reviewed-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20191011020534.334-1-andy.tang@nxp.com
2019-11-07 07:00:26 +01:00
Hsin-Yi Wang 86bd20a5a5 thermal-generic-adc: Silent error message for EPROBE_DEFER
If devm_iio_channel_get() or devm_thermal_zone_of_sensor_register()
fail with EPROBE_DEFER, we shouldn't print an error message, as the
device will be probed again later.

Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20190910075907.132200-1-hsinyi@chromium.org
2019-11-07 07:00:26 +01:00