On Fri, Sep 16, 2016 at 01:16:31PM +0200, Krzysztof Kozlowski wrote: > On 09/15/2016 09:41 PM, Sam Van Den Berge wrote: > > This patch updates the s3c24xx dma driver to be able to pass a > > dma_slave_map array via the platform data. This is needed to > > be able to use the new, simpler dmaengine API [1]. > > I used the virtual DMA channels as a parameter for the dma_filter > > function. By doing that, I could reuse the existing filter function in > > drivers/dma/s3c24xx-dma.c. > > > > I have tested this on my mini2440 board with the audio driver. > > (I first applied the audio fixes from Sylwester Nawrocki [2]) > > According to my observations, dma_request_slave_channel in the > > function dmaengine_pcm_new in the file > > sound/soc/soc-generic-dmaengine-pcm.c now returns a valid DMA channel > > whereas before no DMA channel was returned at that point. > > > > Entries for DMACH_XD0, DMACH_XD1 and DMACH_TIMER are missing because I > > don't realy know which driver to use for these. > > > > [1] > > http://lists.infradead.org/pipermail/linux-arm-kernel/2015-December/393635.html > > [2] http://www.spinics.net/lists/arm-kernel/msg521918.html > > > > Signed-off-by: Sam Van Den Berge <sam.van.den.berge@xxxxxxxxxx> > > Reviewed-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx> > > Acked-by: Arnd Bergmann <arnd@xxxxxxxx> > > > > --- > > > > Changes since v1: > > - rename arm into dmaengine in title > > - one channel for s3c2440-sdi named "rx-tx" > > > > arch/arm/mach-s3c24xx/common.c | 35 +++++++++++++++++++++++++++++++ > > drivers/dma/s3c24xx-dma.c | 3 +++ > > include/linux/platform_data/dma-s3c24xx.h | 6 ++++++ > > 3 files changed, 44 insertions(+) > > Vinod, do you want to take it through your tree? Not much difference for > me, so in such case: > Acked-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx> I was kinda waiting for an answer on this question because I didn't know if I should add the acked-by or not but I'm going to assume that it's ok so I'll include it in the third version of this patch. > > Best regards, > Krzysztof > > -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
