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25afe99b31
the support is still WIP. next steps are to make the pmic and ethernet work. this is the first commit to make sure nothing gets lost. Signed-off-by: John Crispin <blogic@openwrt.org> SVN-Revision: 47354
35 lines
1.1 KiB
Diff
35 lines
1.1 KiB
Diff
From 18f50eae474edc716b01959fad6898c8553b131c Mon Sep 17 00:00:00 2001
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From: Sascha Hauer <s.hauer@pengutronix.de>
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Date: Wed, 13 May 2015 10:52:33 +0200
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Subject: [PATCH 14/76] thermal: Add comment explaining test for critical
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temperature
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The code testing if a temperature should be emulated or not is
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not obvious. Add a comment explaining why this test is done.
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
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---
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drivers/thermal/thermal_core.c | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
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index 3e0fe55..e204deb 100644
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--- a/drivers/thermal/thermal_core.c
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+++ b/drivers/thermal/thermal_core.c
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@@ -435,6 +435,11 @@ int thermal_zone_get_temp(struct thermal_zone_device *tz, int *temp)
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}
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}
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+ /*
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+ * Only allow emulating a temperature when the real temperature
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+ * is below the critical temperature so that the emulation code
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+ * cannot hide critical conditions.
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+ */
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if (!ret && *temp < crit_temp)
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*temp = tz->emul_temperature;
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}
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--
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1.7.10.4
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