Re: [PATCH 30/32] ARM: ux500: Supply MMC DMA configuration viaDevice Tree
From: Lee Jones
Date: Thu Apr 25 2013 - 09:11:38 EST
On Thu, 25 Apr 2013, Linus Walleij wrote:
> On Thu, Apr 25, 2013 at 1:49 PM, Lee Jones <lee.jones@xxxxxxxxxx> wrote:
> > On Thu, 25 Apr 2013, Linus Walleij wrote:
> >> On Thu, Apr 18, 2013 at 12:12 PM, Lee Jones <lee.jones@xxxxxxxxxx> wrote:
> >> > When requesting a channel, a DMA client needs to pass some pieces of
> >> > information such as; request channel, device type, channel type and
> >> > direction etc. Normally we do this in the form of platform data, but
> >> > when DT is enabled we need to pass it using the driver's bindings
> >> > instead.
> >> >
> >> > Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>
> >> This requires that the pending MMCI patch get merged *first* right?
> > No, it doesn't. There is no harm in applying this *before*.
> > It will just lay dormant until it is.
> Ah yeah, right. But the patch stripping out the platform data (no 31) will
> wreak havoc if applied before the MMCI patch right?
Yes, that will cause problems. It will most likely go into PIO mode.
Linaro ST-Ericsson Landing Team Lead
Linaro.org â Open source software for ARM SoCs
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