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

From: Ray Jui
Date: Wed Oct 08 2014 - 14:31:31 EST

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

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.

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