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drivers: thermal: allow ti-soc-thermal run without pcb zone

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This patch changes the behavior of TI SoC thermal driver
when there is a PCB thermal zone.

Instead of reporting an error code when reading from
PCB temperature sensor fails, this patch will make
the driver attempt to compose the hotspot extrapolation
based on bandgap readings only.

Cc: Zhang Rui <rui.zhang@intel.com>
Cc: linux-pm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
This commit is contained in:
Eduardo Valentin 2013-09-15 15:21:51 -04:00
parent 86f5362e7a
commit df8f134764
1 changed files with 1 additions and 0 deletions
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drivers/thermal/ti-soc-thermal/ti-thermal-common.c
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@ -110,6 +110,7 @@ static inline int ti_thermal_get_temp(struct thermal_zone_device *thermal,
} else {
dev_err(bgp->dev,
"Failed to read PCB state. Using defaults\n");
ret = 0;
}
}
*temp = ti_thermal_hotspot_temperature(tmp, slope, constant);