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avr32: fix deadlock when reading clock list in debugfs
authorOle Henrik Jahren <olehenja@alumni.ntnu.no>
Sun, 6 Mar 2011 19:42:39 +0000 (20:42 +0100)
committerHans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
Wed, 13 Apr 2011 13:46:52 +0000 (15:46 +0200)
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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