Re: DMA support for FlexSPI driver

[Han Xu <han.xu@xxxxxxx>]

On 22/12/19 02:08PM, Fabio Estevam wrote:
> Hi,
> 
> Currently, there is no DMA support for the drivers/spi/spi-nxp-fspi.c driver.
> 
> Is there a technical reason that prevents DMA to be used on this
> driver with the i.MX8MM?
> 
> Also checked the NXP vendor driver, but DMA support is also missing.
> 
> Does anyone know more about the reason for this?

We are working on that, both flexspi driver and sdma driver need to be updated,
and will upstream all once done.

> 
> Thanks,
> 
> Fabio Estevam