From: Matt Renzelmann <mjr@cs.wisc.edu>
Date: Fri, 13 Apr 2012 07:59:40 +0000 (+0000)
Subject: ks8851: Fix missing mutex_lock/unlock
X-Git-Tag: v3.4-rc5~44^2~31
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=51c61a2838c33dab7b6659b9a3e008bb1b40bc9b;p=pandora-kernel.git

ks8851: Fix missing mutex_lock/unlock

Move the ks8851_rdreg16 call above the call to request_irq and cache
the result for subsequent repeated use.  A spurious interrupt may
otherwise cause a crash.  Thanks to Stephen Boyd, Flavio Leitner, and
Ben Hutchings for feedback.

Signed-off-by: Matt Renzelmann <mjr@cs.wisc.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
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