[PATCH] net: cpsw: prevent stray cache writeback

Sascha Hauer s.hauer at pengutronix.de
Mon Mar 2 23:37:43 PST 2015


On Mon, Mar 02, 2015 at 09:59:36AM +0100, Lucas Stach wrote:
> The cache should be invalidated when transfering ownership of a buffer
> to the device. Otherwise the writeback of dirty cache lines can
> corrupt the hardware written data.
> 
> Signed-off-by: Lucas Stach <l.stach at pengutronix.de>
> Tested-by: Jan Weitzel <j.weitzel at phytec.de>
> ---
> Sascha, please apply this to master. It fixes a TFTP buffer corruption
> issue reported by Jan.

Did that.

Sascha


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