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powerpc/cpm1: Fix race condition in CPM1 GPIO library.
authorJochen Friedrich <jochen@scram.de>
Wed, 27 Aug 2008 10:32:25 +0000 (12:32 +0200)
committerKumar Gala <galak@kernel.crashing.org>
Tue, 16 Sep 2008 18:43:24 +0000 (13:43 -0500)
The CPM1 GPIO library code uses the non thread-safe clrbits32/setbits32
macros. This patch protects them with a spinlock.

Based on the CPM2 patch from Laurent Pinchart <laurentp@cse-semaphore.com>,
commit 639d64456e20cbfc866b18dc03cf9f9babc9c7cd.

Signed-off-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

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