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Srinivas Pandruvada ec00b71f40 thermal/drivers/int340x/processor_thermal: Fix tcc setting
commit fe6a6de669 upstream.

The following fixes are done for tcc sysfs interface:
- TCC is 6 bits only from bit 29-24
- TCC of 0 is valid
- When BIT(31) is set, this register is read only
- Check for invalid tcc value
- Error for negative values

Fixes: fdf4f2fb8e ("drivers: thermal: processor_thermal_device: Export sysfs interface for TCC offset")
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: stable@vger.kernel.org
Acked-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20210628215803.75038-1-srinivas.pandruvada@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2021-07-19 10:04:51 +02:00
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Linux kernel
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