commit 4853931c013d6f80b063f86bd603fb3ee0562a8f
author David Keitel <dkeitel@codeaurora.org> Wed Jun 06 14:57:12 2012 -0700
committer Linux Build Service Account <lnxbuild@localhost> Wed Jul 25 20:23:58 2012 -0600
tree 2df46e090d37eb3d16b23afd653d8322c3cbe9d6
parent dadf2c4ef14a0c80884e3fe9e26acc7089989b5f

power: smb349: add spin_lock initializer

Using an unitiliazed spinlock can cause a kernel BUG
in the SMB349 driver.

Fix this by initializing the spinlock in the probe
function.

Change-Id: I9ce691398939f7104b71b58505e2d15dc910328c
Signed-off-by: David Keitel <dkeitel@codeaurora.org>

drivers/power/smb349.c

diff --git a/drivers/power/smb349.c b/drivers/power/smb349.c
index ffc92d5..f9ca81c 100644
--- a/drivers/power/smb349.c
+++ b/drivers/power/smb349.c
@@ -617,6 +617,8 @@
 
 	the_smb349_chg = smb349_chg;
 
+	spin_lock_init(&smb349_chg->lock);
+
 	create_debugfs_entries(smb349_chg);
 	INIT_WORK(&smb349_chg->chg_work, chg_worker);