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path: root/drivers/thermal/thermal_of.c
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2021-03-10thermal: thermal_of: Fix error return code of thermal_of_populate_bind_params()Jia-Ju Bai
When kcalloc() returns NULL to __tcbp or of_count_phandle_with_args() returns zero or -ENOENT to count, no error return code of thermal_of_populate_bind_params() is assigned. To fix these bugs, ret is assigned with -ENOMEM and -ENOENT in these cases, respectively. Fixes: a92bab8919e3 ("of: thermal: Allow multiple devices to share cooling map") Reported-by: TOTE Robot <oslab@tsinghua.edu.cn> Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/20210310122423.3266-1-baijiaju1990@gmail.com
2020-06-29thermal: Simplify or eliminate unnecessary set_mode() methodsAndrzej Pietrasiewicz
Setting polling_delay is now done at thermal_core level (by not polling DISABLED devices), so no need to repeat this code. int340x: Checking for an impossible enum value is unnecessary. acpi/thermal: It only prints debug messages. Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com> [for acerhdf] Acked-by: Peter Kaestle <peter@piie.net> Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/20200629122925.21729-11-andrzej.p@collabora.com
2020-06-29thermal: Use mode helpers in driversAndrzej Pietrasiewicz
Use thermal_zone_device_{en|dis}able() and thermal_zone_device_is_enabled(). Consequently, all set_mode() implementations in drivers: - can stop modifying tzd's "mode" member, - shall stop taking tzd's lock, as it is taken in the helpers - shall stop calling thermal_zone_device_update() as it is called in the helpers - can assume they are called when the mode truly changes, so checks to verify that can be dropped Not providing set_mode() by a driver no longer prevents the core from being able to set tzd's mode, so the relevant check in mode_store() is removed. Other comments: - acpi/thermal.c: tz->thermal_zone->mode will be updated only after we return from set_mode(), so use function parameter in thermal_set_mode() instead, no need to call acpi_thermal_check() in set_mode() - thermal/imx_thermal.c: regmap writes and mode assignment are done in thermal_zone_device_{en|dis}able() and set_mode() callback - thermal/intel/intel_quark_dts_thermal.c: soc_dts_{en|dis}able() are a part of set_mode() callback, so they don't need to modify tzd->mode, and don't need to fall back to the opposite mode if unsuccessful, as the return value will be propagated to thermal_zone_device_{en|dis}able() and ultimately tzd's member will not be changed in thermal_zone_device_set_mode(). - thermal/of-thermal.c: no need to set zone->mode to DISABLED in of_parse_thermal_zones() as a tzd is kzalloc'ed so mode is DISABLED anyway Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com> [for acerhdf] Acked-by: Peter Kaestle <peter@piie.net> Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org> Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/20200629122925.21729-8-andrzej.p@collabora.com
2020-06-29thermal: remove get_mode() operation of driversAndrzej Pietrasiewicz
get_mode() is now redundant, as the state is stored in struct thermal_zone_device. Consequently the "mode" attribute in sysfs can always be visible, because it is always possible to get the mode from struct tzd. Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com> [for acerhdf] Acked-by: Peter Kaestle <peter@piie.net> Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/20200629122925.21729-6-andrzej.p@collabora.com
2020-06-29thermal: Store device mode in struct thermal_zone_deviceAndrzej Pietrasiewicz
Prepare for eliminating get_mode(). Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com> [for acerhdf] Acked-by: Peter Kaestle <peter@piie.net> Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/20200629122925.21729-5-andrzej.p@collabora.com
2020-05-22thermal/of: Rename of-thermal.cAmit Kucheria
Core thermal framework code files should start with thermal_*. of-thermal.c does not follow this pattern and can easily be confused with platform driver. Fix this by renaming it to thermal_of.c Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/f5e233d5c5dcc7c7cb56b3448da255cb2c9ef0d1.1589199124.git.amit.kucheria@linaro.org