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linux/drivers/base/power/sysfs.c
Alan Stern 69c843b45e PM / Runtime: Prevent runtime_resume from racing with probe
This patch (as1475) adds device_lock() and device_unlock() calls to
the store methods for the power/control and power/autosuspend_delay_ms
sysfs attribute files.  We don't want badly timed writes to these
files to cause runtime_resume callbacks to occur while a driver is
being probed for a device.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2011-07-06 10:52:23 +02:00

15 KiB