Revert commit
51a776fa7a7997e726d4a478eda0854c6f9143bd ("rtc: cdev
lock_kernel() pushdown"). The RTC framework does not need BKL
protection.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Alessandro Zummo <alessandro.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>