]> git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/commit
rtc/mc13783: protect rtc {,un}registration by mc13783 lock
authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Fri, 5 Mar 2010 21:44:30 +0000 (13:44 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Sat, 6 Mar 2010 19:26:47 +0000 (11:26 -0800)
commit4c014e872e02baa5b0bde38b2b2867ccf1f9df76
treeb9e6315145e8c50b684ce532696a2082c90a987a
parent86c3400810a7a33e176bf33b6b074d881e829374
rtc/mc13783: protect rtc {,un}registration by mc13783 lock

This is to protect from interrupt handlers using an unregistered rtc
device.

To assert that the reset irq is considered now before the rtc is
registered the corresponding status is checked before.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Paul Gortmaker <p_gortmaker@yahoo.com>
Cc: Valentin Longchamp <valentin.longchamp@epfl.ch>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Samuel Ortiz <sameo@linux.intel.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Luotao Fu <l.fu@pengutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
drivers/rtc/rtc-mc13783.c