mediatek: add support for the new MT7623 Arm SoC

[openwrt/svn-archive/archive.git] / target / linux / mediatek / patches / 0014-thermal-Add-comment-explaining-test-for-critical-tem.patch

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 (file)
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
+