diff options
Diffstat (limited to 'target/linux/mediatek/patches/0014-thermal-Add-comment-explaining-test-for-critical-tem.patch')
-rw-r--r-- | target/linux/mediatek/patches/0014-thermal-Add-comment-explaining-test-for-critical-tem.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/target/linux/mediatek/patches/0014-thermal-Add-comment-explaining-test-for-critical-tem.patch b/target/linux/mediatek/patches/0014-thermal-Add-comment-explaining-test-for-critical-tem.patch new file mode 100644 index 0000000..56d3e4f --- /dev/null +++ b/target/linux/mediatek/patches/0014-thermal-Add-comment-explaining-test-for-critical-tem.patch @@ -0,0 +1,34 @@ +From 18f50eae474edc716b01959fad6898c8553b131c Mon Sep 17 00:00:00 2001 +From: Sascha Hauer <s.hauer@pengutronix.de> +Date: Wed, 13 May 2015 10:52:33 +0200 +Subject: [PATCH 14/76] thermal: Add comment explaining test for critical + temperature + +The code testing if a temperature should be emulated or not is +not obvious. Add a comment explaining why this test is done. + +Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> +Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com> +--- + drivers/thermal/thermal_core.c | 5 +++++ + 1 file changed, 5 insertions(+) + +diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c +index 3e0fe55..e204deb 100644 +--- a/drivers/thermal/thermal_core.c ++++ b/drivers/thermal/thermal_core.c +@@ -435,6 +435,11 @@ int thermal_zone_get_temp(struct thermal_zone_device *tz, int *temp) + } + } + ++ /* ++ * Only allow emulating a temperature when the real temperature ++ * is below the critical temperature so that the emulation code ++ * cannot hide critical conditions. ++ */ + if (!ret && *temp < crit_temp) + *temp = tz->emul_temperature; + } +-- +1.7.10.4 + |