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authorJohn Crispin <john@openwrt.org>2015-11-02 10:18:50 +0000
committerJohn Crispin <john@openwrt.org>2015-11-02 10:18:50 +0000
commit25afe99b31f4ef3d835f96545e370770c230ac44 (patch)
tree5dbe83834a0a67121c557b7549a13221317f07eb /target/linux/mediatek/patches/0014-thermal-Add-comment-explaining-test-for-critical-tem.patch
parent12e0d2737f558e886cf698e939f1758ab6a64947 (diff)
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mediatek: add support for the new MT7623 Arm SoC
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
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.patch34
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 0000000000..56d3e4f21e
--- /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
+