Re: [PATCH] spi: pl022: Fix broken spidev when DMA is enabled

Ray Jui
2014-10-08T18:31:28Z

On 10/8/2014 11:21 AM, Mark Brown wrote:
> On Wed, Oct 08, 2014 at 09:14:35AM -0700, Ray Jui wrote:
>
>> Thanks for the reply. It looks like you are also the maintainer of spidev.
>> In this case, could you please help to confirm that you expect spidev to use
>> separate buffers for TX and RX? If so, I can go ahead and make the change in
>> spidev.
>
> Yes, that would be my expectation for maximum robustness (or if it is
> going to use one buffer it explicitly maps it for mixed use but I'd
> expect that to be asking for trouble).
>
Okay, Mark. I'm going to make the change in the spidev and submit a new
patch.

Thanks for the feedback.

Ray