[PATCH 2/3] spi: mediatek: Add spi bus for Mediatek MT8173

Mark Brown broonie at kernel.org
Fri May 15 02:25:43 PDT 2015

On Fri, May 15, 2015 at 03:38:42PM +0800, leilk liu wrote:
> On Tue, 2015-05-12 at 17:05 +0100, Mark Brown wrote:

> > Implement can_dma() - look for drivers providing that for examples.

> MTK spi hardware uses the dmaengine in spi controller. According to
> datasheet, spi driver just need to enable dma register bit and write a
> physical address to relevant dma address register, so I think it may be
> complex while the driver supports can_dma.

That's how a very large proportion of devices that work with DMA are
done - why would this be complicated?  All can_dma() does is report if
DMA is possible.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 473 bytes
Desc: Digital signature
URL: <http://lists.infradead.org/pipermail/linux-mediatek/attachments/20150515/9e13e48a/attachment.sig>

More information about the Linux-mediatek mailing list