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> 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
