Re: [PATCH] spi: mediatek: Manually set dma_ops for spi_master device

From: Mark Brown
Date: Thu Jan 26 2017 - 12:08:20 EST

On Fri, Jan 27, 2017 at 12:52:15AM +0800, Daniel Kurtz wrote:
> On Fri, Jan 27, 2017 at 12:35 AM, Dmitry Torokhov <dtor@xxxxxxxxxxxx> wrote:

> > Nobody doing DMA likes unaligned buffers. In fact, memory used for DMA
> > must be cacheline aligned, or you going to have trouble. What
> > component supplies unaligned buffers to SPI core for transfers?

> cros-ec-spi

That needs fixing then - I keep thinking we should add a warning to the
core for this, especially now we do DMA mapping in the core.

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