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authorRalf Baechle <ralf@linux-mips.org>2013-02-21 16:16:55 +0100
committerRalf Baechle <ralf@linux-mips.org>2013-02-22 10:07:30 +0100
commitedb15d83a875a1f4b1576188844db5c330c3267d (patch)
tree74d54eab401b6ccf2a6ad4821227108a8d160f03 /Documentation/power
parent8bfc245f9ad7bd4e461179e4e7852ef99b8b6144 (diff)
parenta0b1c42951dd06ec83cc1bc2c9788131d9fefcd8 (diff)
downloadlinux-next-edb15d83a875a1f4b1576188844db5c330c3267d.tar.gz
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into mips-for-linux-next
Conflicts: include/linux/ssb/ssb_driver_gige.h Also resolves a logical merge conflict in drivers/net/ethernet/broadcom/- bgmac.c due to change of an API.
Diffstat (limited to 'Documentation/power')
-rw-r--r--Documentation/power/freezing-of-tasks.txt5
-rw-r--r--Documentation/power/runtime_pm.txt4
2 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/power/freezing-of-tasks.txt b/Documentation/power/freezing-of-tasks.txt
index 6ec291ea1c78..85894d83b352 100644
--- a/Documentation/power/freezing-of-tasks.txt
+++ b/Documentation/power/freezing-of-tasks.txt
@@ -223,3 +223,8 @@ since they ask the freezer to skip freezing this task, since it is anyway
only after the entire suspend/hibernation sequence is complete.
So, to summarize, use [un]lock_system_sleep() instead of directly using
mutex_[un]lock(&pm_mutex). That would prevent freezing failures.
+
+V. Miscellaneous
+/sys/power/pm_freeze_timeout controls how long it will cost at most to freeze
+all user space processes or all freezable kernel threads, in unit of millisecond.
+The default value is 20000, with range of unsigned integer.
diff --git a/Documentation/power/runtime_pm.txt b/Documentation/power/runtime_pm.txt
index 03591a750f99..6c9f5d9aa115 100644
--- a/Documentation/power/runtime_pm.txt
+++ b/Documentation/power/runtime_pm.txt
@@ -426,6 +426,10 @@ drivers/base/power/runtime.c and include/linux/pm_runtime.h:
'power.runtime_error' is set or 'power.disable_depth' is greater than
zero)
+ bool pm_runtime_active(struct device *dev);
+ - return true if the device's runtime PM status is 'active' or its
+ 'power.disable_depth' field is not equal to zero, or false otherwise
+
bool pm_runtime_suspended(struct device *dev);
- return true if the device's runtime PM status is 'suspended' and its
'power.disable_depth' field is equal to zero, or false otherwise