[U-Boot] [U-Boot, v3, 2/4] ARM: cache: add an empty stub function for invalidate/flush dcache

[Tom Rini]

On Mon, Jul 27, 2015 at 11:40:16AM +0800, Wu, Josh wrote:

> Since some driver like ohci, lcd used dcache functions. But some ARM
> cpu don't implement the invalidate_dcache_range()/flush_dcache_range()
> functions.
> 
> To avoid compiling errors this patch adds an weak empty stub function
> for all ARM cpu in arch/arm/lib/cache.c.
> And ARM cpu still can implemnt its own cache functions on the cpu folder.
> 
> Signed-off-by: Josh Wu <josh.wu at atmel.com>
> Reviewed-by: York Sun <yorksun at freescale.com>

Applied to u-boot/master, thanks!

-- 
Tom
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