On Wednesday 07 January 2015 15:29:36 Lars-Peter Clausen wrote: > On 01/06/2015 02:48 PM, Arnd Bergmann wrote: > > On Tuesday 06 January 2015 11:45:58 Lars-Peter Clausen wrote: > >> On 01/05/2015 11:39 PM, Arnd Bergmann wrote: > >>> As discussed on the topic of shmobile DMA today, jz4740 is the only > >>> user of the slave_id field in dma_slave_config besides shmobile. This > >>> use is really incompatible with the way that other drivers use the > >>> dmaengine API, so we should get rid of it. > >> > >> Do you have a link to that discussion? > > > > http://www.spinics.net/lists/linux-mmc/msg30069.html > > I'm really not comfortable with this patch, since it is a step back. But I > guess the end justify the means. So if it helps to get rid of slave_id I'm > ok with it, sooner or later jz4740 will be converted to DT so once that's > done the filter function can be removed again. But please put the filter > function in a non arch specific header so we can still compile test things. > And maybe note in the commit message that this is meant as a temporary hack. > Do you have a timeline for DT support? Maybe it's easier to just wait for the problem to solve itself. Arnd
