Messages in this thread | | | Subject | Re: [PATCH 6/8 resend] dw_dmac: Mark all tx_descriptors with DMA_CRTL_ACK after xfer finish | From | "Koul, Vinod" <> | Date | Thu, 03 Mar 2011 00:04:15 +0530 |
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On Mon, 2011-02-28 at 16:11 +0530, Viresh Kumar wrote: > 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 <viresh.kumar@st.com> > --- > 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....
-- ~Vinod
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