cpm2: Fix race condition in CPM2 GPIO library.

[Kumar Gala]

On Aug 19, 2008, at 7:20 AM, Laurent Pinchart wrote:

> The CPM2 GPIO library code uses the non thread-safe clrbits32/ 
> setbits32
> macros. This patch protects them with a spinlock.
>
> Signed-off-by: Laurent Pinchart <laurentp at cse-semaphore.com>
> ---
> arch/powerpc/sysdev/cpm_common.c |   37 +++++++++++++++++++++++++ 
> +-----------
> 1 files changed, 26 insertions(+), 11 deletions(-)

applied.

- k