Re: [PATCH] ARM: dts: imx6q: Use correct SDMA script for SPI5 core

[Fabio Estevam <festevam@xxxxxxxxx>]

On Tue, May 22, 2018 at 2:45 PM, Sean Nyekjaer <sean.nyekjaer@xxxxxxxxx> wrote:
> 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@xxxxxxxxx>

Reviewed-by: Fabio Estevam <fabio.estevam@xxxxxxx>
--
To unsubscribe from this list: send the line "unsubscribe linux-spi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html