[PATCH 6/8 resend] dw_dmac: Mark all tx_descriptors with DMA_CRTL_ACK after xfer finish
From: viresh kumar <hidden>
Date: 2011-03-03 03:45:27
Also in:
lkml
From: viresh kumar <hidden>
Date: 2011-03-03 03:45:27
Also in:
lkml
On 03/03/2011 12:04 AM, Koul, Vinod wrote:
On Mon, 2011-02-28 at 16:11 +0530, Viresh Kumar wrote:quoted
dwc_desc_get checks all descriptors for DMA_CTRL_ACK before allocating them for transfers. And descriptors are not marked with DMA_CRTL_ACK after transfer finishes. Thus descriptor once used is not usable again. This patch marks descriptors with DMA_CRTL_ACK after dma xfer finishes Signed-off-by: Viresh Kumar <redacted> --- drivers/dma/dw_dmac.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-)diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c index c40b89f..01f783d 100644 --- a/drivers/dma/dw_dmac.c +++ b/drivers/dma/dw_dmac.c@@ -196,6 +196,7 @@ dwc_descriptor_complete(struct dw_dma_chan *dwc, struct dw_desc *desc) dma_async_tx_callback callback; void *param; struct dma_async_tx_descriptor *txd = &desc->txd; + struct dw_desc *child;Please align this with previous ones....
Will be done -- viresh