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The function devm_platform_ioremap_resource has already contains error
message, so remove the redundant dev_err here.
Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20210222061105.6008-1-tangbin@cmss.chinamobile.com
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Many monitoring tools read the CPU temperature using the hwmon
interface. Expose the thermal sensors on Amlogic boards as hwmon
devices.
Without this lm_sensors' "sensors" tool does not find any temperature
sensors. Now it prints:
cpu_thermal-virtual-0
Adapter: Virtual device
temp1: +44.7 C (crit = +110.0 C)
ddr_thermal-virtual-0
Adapter: Virtual device
temp1: +45.9 C (crit = +110.0 C)
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20201115190658.631578-1-martin.blumenstingl@googlemail.com
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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
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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
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