Am Mittwoch, 8. Juni 2016, 09:32:51 schrieb Tomeu Vizoso: > When using DMA, the transfer_one callback should return 1 because the > transfer hasn't finished yet. > > A previous commit changed the function to return 0 when the DMA channels > were correctly prepared. > > This manifested in Veyron boards with this message: > > [ 1.983605] cros-ec-spi spi0.0: EC failed to respond in time > > Signed-off-by: Tomeu Vizoso <[email protected]> > Fixes: ea9849113343 ("spi: rockchip: check return value of > dmaengine_prep_slave_sg") > Cc: Shawn Lin <[email protected]> > Cc: Heiko Stuebner <[email protected]> > Cc: Javier Martinez Canillas <[email protected]>
looks like Mark already applied it, but nevertheless I was able to verify that this patch fixes the issue on my veyron jerry chromebook as well, so Tested-by: Heiko Stuebner <[email protected]>
