On Fri, Nov 24, 2017 at 09:54:41AM +0100, Neil Armstrong wrote:
> Before this patch one could receive following errors when executing "fatls"
> command on machine with cache enabled (ex i.MX6Q) :
>
> => fatls mmc 0:1
> CACHE: Misaligned operation at range [4f59dfc8, 4f59e7c8]
> CACHE: Misaligned operation at range [4f59dfc8, 4f59e7c8]
> ERROR: v7_outer_cache_inval_range - start address is not aligned - 0x4f59dfc8
> ERROR: v7_outer_cache_inval_range - stop address is not aligned - 0x4f59e7c8
> CACHE: Misaligned operation at range [4f59dfc8, 4f59e7c8]
> CACHE: Misaligned operation at range [4f59dfc8, 4f59e7c8]
> ERROR: v7_outer_cache_inval_range - start address is not aligned - 0x4f59dfc8
> ERROR: v7_outer_cache_inval_range - stop address is not aligned - 0x4f59e7c8
>
> To alleviate this problem - the calloc()s have been replaced with
> malloc_cache_aligned() and memset().
>
> After those changes the buffers are properly aligned (with both start
> address and size) to SoC cache line.
>
> Fixes: 09fa964bba80 ("fs/fat: Fix 'CACHE: Misaligned operation at range'
> warnings")
> Suggested-by: Lukasz Majewski <[email protected]>
> Signed-off-by: Neil Armstrong <[email protected]>
> Reviewed-by: Lukasz Majewski <[email protected]>
> Reviewed-by: Fabio Estevam <[email protected]>Applied to u-boot/master, thanks! -- Tom
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