Typically the runtime idle function is triggered after resume and
probe. Instead of immediately requesting the device to go into
in-active state we make use of the autosuspend, if we have enabled
it earlier.

Cc: Len Brown <[email protected]>
Cc: Pavel Machek <[email protected]>
Cc: Rafael J. Wysocki <[email protected]>
Cc: Kevin Hilman <[email protected]>
Cc: Alan Stern <[email protected]>
Cc: Mika Westerberg <[email protected]>
Cc: [email protected]
Signed-off-by: Ulf Hansson <[email protected]>
---
 drivers/mmc/core/bus.c |    6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c
index cdca8a7..7f0e900 100644
--- a/drivers/mmc/core/bus.c
+++ b/drivers/mmc/core/bus.c
@@ -205,6 +205,12 @@ static int mmc_runtime_resume(struct device *dev)
 
 static int mmc_runtime_idle(struct device *dev)
 {
+       if (pm_runtime_autosuspend_used(dev)) {
+               pm_runtime_mark_last_busy(dev);
+               pm_runtime_autosuspend(dev);
+               return -EBUSY;
+       }
+
        return 0;
 }
 
-- 
1.7.9.5

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