[U-Boot] input: fix unaligned access in key_matrix_decode_fdt()

[Tom Rini]

On Wed, May 22, 2013 at 08:48:18AM -0000, Stephen Warren wrote:

> From: Stephen Warren <swarren at nvidia.com>
> 
> Initialized character arrays on the stack can cause gcc to emit code that
> performs unaligned accessess. Make the data static to avoid this.
> 
> Note that the unaligned accesses are made when copying data to prefix[] on
> the stack from .rodata. By making the data static, the copy is completely
> avoided. All explicitly written code treats the data as u8[], so will never
> cause any unaligned accesses.
> 
> Signed-off-by: Stephen Warren <swarren at nvidia.com>
> Acked-by: Simon Glass <sjg at chromium.org>

Applied to u-boot/master, thanks!

-- 
Tom
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