On Tue, Apr 01, 2014 at 04:06:01PM +0300, Peter Ujfalusi wrote: > Hi, > > This is basically a resend of the previous series: > https://lkml.org/lkml/2014/3/13/119 > with removed ASoC patches (most of them are applied already). > > Changes since v1: > - ASoC patches removed > - Comments from Andriy Shevchenko addressed > - patch added to fix cases when src/dst_maxburst is set to 0 > > Adding support for DMA pause/resume > Possibility to select non default event queue/TC for cyclic (audio) dma > channels: all devices using the eDMA via dmaengine was assigned to the default > EQ/TC (mmc, i2c, spi, etc, and audio). This is not optimal from system > performance point of view since sharing the same EQ/TC can cause latency spikes > for cyclic channels (long DMA transfers for MMC for example). > > While debugging the edma to get things sorted out I noticed that the debug was > too verbose and the important information was hidden even when the we did not > asked for verbose dmaengine debug. > I have included some debug cleanups for the edma dmaengine driver also. > > Regards, > Peter > --- > Peter Ujfalusi (14): > platform_data: edma: Be precise with the paRAM struct > dma: edma: Correct the handling of src/dst_maxburst == 0 > dma: edma: Add support for DMA_PAUSE/RESUME operation > dma: edma: Set DMA_CYCLIC capability flag > arm: common: edma: Select event queue 1 as default when booted with DT > arm: common: edma: Save the number of event queues/TCs > arm: common: edma: API to request non default queue for a channel > DMA: edma: Use different eventq for cyclic channels > dma: edma: Implement device_slave_caps callback > dma: edma: Simplify direction configuration in edma_config_pset() > dma: edma: Reduce debug print verbosity for non verbose debugging > dma: edma: Prefix debug prints where the text were identical in prep > callbacks > dma: edma: Add channel number to debug prints > dma: edma: Print the direction value as well when it is not supported Okay I have noticed lots of folks are using dma: which IMO isn't right here, would prefer folks to use the right subsystem name, so dmaengine: xxxx would be right subject line :) -- ~Vinod > > arch/arm/common/edma.c | 34 +++++++++++++- > drivers/dma/edma.c | 96 +++++++++++++++++++++++++++++--------- > include/linux/platform_data/edma.h | 20 ++++---- > 3 files changed, 119 insertions(+), 31 deletions(-) > > -- > 1.9.1 > -- -- 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
