[PATCH] spi: imx: enable runtime pm support

[Fabio Estevam]

Hi Nikita,

On Fri, Nov 13, 2020 at 6:18 AM Nikita Shubin <nikita.shubin at maquefel.me> wrote:
>
> Hello Clark,
>
> This patch breaks spi-imx on imx7d.
> Toradex Colibri imx7d spi reports with:
>
>     [    4.258468] inv-mpu6000-spi spi2.0: I/O Error in PIO
>     [    4.264269] inv-mpu6000-spi spi2.0: SPI transfer failed: -110
>     [    4.264305] spi_master spi2: failed to transfer one message from queue
>
> We are using spi-imx with dma.
>
> Reverting your patch fixes this issue.
>
> The baseline commit 951cbbc386ff01b50da4f46387e994e81d9ab431 (tag: v5.9.8, stable/linux-5.9.y)
>
> Could you please give some comments on this issue ?

Could you please try this patch from Sascha?
https://lkml.org/lkml/2020/10/12/981