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[2/2] PM / Sleep: Add macro to define common late/early system PM callbacks

Message ID 1385463886-9335-2-git-send-email-ulf.hansson@linaro.org
State Superseded
Headers show

Commit Message

Ulf Hansson Nov. 26, 2013, 11:04 a.m. UTC 
We use the same approach as for the existing SET_SYSTEM_SLEEP_PM_OPS,
but for the late and early callbacks instead.

The new SET_LATE_SYSTEM_SLEEP_PM_OPS, defined for CONFIG_PM_SLEEP, will
point ->suspend_late, ->freeze_late and ->poweroff_late to the same
function. Vice verse happens for ->resume_early, ->thaw_early and
->restore_early.

Cc: Kevin Hilman <khilman@linaro.org>
Cc: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
---
 include/linux/pm.h |   12 ++++++++++++
 1 file changed, 12 insertions(+)
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Patch

diff --git a/include/linux/pm.h b/include/linux/pm.h
index 7a830a7..8c6583a 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -311,6 +311,18 @@  struct dev_pm_ops {
 #define SET_SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn)
 #endif
 
+#ifdef CONFIG_PM_SLEEP
+#define SET_LATE_SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn) \
+	.suspend_late = suspend_fn, \
+	.resume_early = resume_fn, \
+	.freeze_late = suspend_fn, \
+	.thaw_early = resume_fn, \
+	.poweroff_late = suspend_fn, \
+	.restore_early = resume_fn,
+#else
+#define SET_LATE_SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn)
+#endif
+
 #ifdef CONFIG_PM_RUNTIME
 #define SET_RUNTIME_PM_OPS(suspend_fn, resume_fn, idle_fn) \
 	.runtime_suspend = suspend_fn, \