[PATCH v7 1/6] dmaengine: xilinx_dma: Check for channel idle state before submitting dma descriptor
From: Vinod Koul <hidden>
Date: 2017-12-18 04:13:23
Also in:
dmaengine, lkml
On Thu, Dec 07, 2017 at 10:51:02AM +0530, Kedareswara rao Appana wrote:
quoted hunk ↗ jump to hunk
@@ -2029,6 +2006,7 @@ static int xilinx_dma_terminate_all(struct dma_chan *dchan) /* Remove and free all of the descriptors in the lists */ xilinx_dma_free_descriptors(chan); + chan->idle = true; if (chan->cyclic) { reg = dma_ctrl_read(chan, XILINX_DMA_REG_DMACR);@@ -2344,6 +2322,12 @@ static int xilinx_dma_chan_probe(struct xilinx_dma_device *xdev, chan->has_sg = xdev->has_sg; chan->desc_pendingcount = 0x0; chan->ext_addr = xdev->ext_addr; + /* This variable enusres that descripotrs are not
^^^^^^^^^^ typo -- ~Vinod