Hi Jiada, On 16.05.2016 11:37, Jiada Wang wrote: > this patch set contains the following changes > 1. fix issues in cyclic dma > 2. add support to SYNC DMA termination > 3. avoid system hang, when SDMA channel 0 timeouts > 4. add lock to prevent race condition > > Jiada Wang (10): > dma: imx-sdma: use chn_real_count to report residue for UART > dma: imx-sdma: don't update BD in isr routine > dma: imx-sdma: clear BD_RROR flag before pass it to sdma script > dma: imx-sdma: update sdma channel status for cyclic dma > dma: imx-sdma: add flag to indicate SDMA channel state > dma: imx-sdma: add terminate_all support > dma: imx-sdma: Add synchronization support > dma: imx-sdma: abort updating channel when it has been terminated > dma: imx-sdma: disable channel 0 when it timeouts > dma: imx-sdma: clear channel0 interrupt bit in irq routine > > drivers/dma/imx-sdma.c | 113 +++++++++++++++++++++++++++++++++++-------------- > 1 file changed, 82 insertions(+), 31 deletions(-) > I think it's worth to add Sascha and Shawn to Cc to let them know about the change. -- With best wishes, Vladimir -- 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