[U-Boot] [PATCH 3/3] mtd: nand: mxs invalidate dcache before DMA read

Marek Vasut marex at denx.de
Mon Jul 20 21:27:35 CEST 2015


On Monday, July 20, 2015 at 11:40:22 AM, Peng Fan wrote:
> Follow linux dma follow:

Nit: "flow" at the end, not "follow" ;-)

> Before DMA read, be sure to invalidate the cache over the address
> range of DMA buffer to prevent cache coherency problems.
> After DMA read, invalidate dcache again.
> 
> Signed-off-by: Peng Fan <Peng.Fan at freescale.com>

Acked-by: Marek Vasut <marex at denx.de>

Best regards,
Marek Vasut


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