From mboxrd@z Thu Jan 1 00:00:00 1970 From: lee.jones@linaro.org (Lee Jones) Date: Thu, 25 Apr 2013 14:11:29 +0100 Subject: [PATCH 30/32] ARM: ux500: Supply MMC DMA configuration via Device Tree In-Reply-To: References: <1366279934-30761-1-git-send-email-lee.jones@linaro.org> <1366279934-30761-31-git-send-email-lee.jones@linaro.org> <20130425114931.GJ4623@gmail.com> Message-ID: <20130425131129.GK4623@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thu, 25 Apr 2013, Linus Walleij wrote: > On Thu, Apr 25, 2013 at 1:49 PM, Lee Jones wrote: > > On Thu, 25 Apr 2013, Linus Walleij wrote: > > > >> On Thu, Apr 18, 2013 at 12:12 PM, Lee Jones 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 > >> > >> 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. -- Lee Jones Linaro ST-Ericsson Landing Team Lead Linaro.org ? Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog