From: Ole Henrik Jahren <olehenja@alumni.ntnu.no>
Date: Sun, 6 Mar 2011 19:42:39 +0000 (+0100)
Subject: avr32: fix deadlock when reading clock list in debugfs
X-Git-Tag: v2.6.39-rc4~56^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6e2ad51190cdb11b364377882134513f60dec6b9;p=pandora-kernel.git

avr32: fix deadlock when reading clock list in debugfs

When writing out /sys/kernel/debug/at32ap_clk, clock list lock is being
held while clk_get() is called. clk_get() attempts to take the same
lock, which results in deadlock. Introduce and call lock free version,
__clk_get(), instead.

Signed-off-by: Ole Henrik Jahren <olehenja@alumni.ntnu.no>
Cc: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
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