Sean Nyekjaer 0ed70f2064 ARM: dts: imx6q: Use correct SDMA script for SPI5 core
commit df07101e1c4a29e820df02f9989a066988b160e6 upstream.

According to the reference manual the shp_2_mcu / mcu_2_shp
scripts must be used for devices connected through the SPBA.

This fixes an issue we saw with DMA transfers.
Sometimes the SPI controller RX FIFO was not empty after a DMA
transfer and the driver got stuck in the next PIO transfer when
it read one word more than expected.

commit dd4b487b32a35 ("ARM: dts: imx6: Use correct SDMA script
for SPI cores") is fixing the same issue but only for SPI1 - 4.

Fixes: 677940258dd8e ("ARM: dts: imx6q: enable dma for ecspi5")
Signed-off-by: Sean Nyekjaer <sean.nyekjaer@prevas.dk>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-08 15:30:51 +02:00
..
2018-02-28 10:19:44 +01:00
2018-02-22 15:42:23 +01:00