[PATCH 6/8 resend] dw_dmac: Mark all tx_descriptors with DMA_CRTL_ACK after xfer finish
Sergei Shtylyov
sshtylyov at mvista.com
Mon Feb 28 07:05:24 EST 2011
Hello.
On 28-02-2011 13:41, 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 at 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;
Shouldn't this varaible name be aligned with the above variable names?
WBR, Sergei
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