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dmaengine: consolidate initialization of cookies

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Provide a common function to initialize a channels cookie values.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
[imx-sdma.c & mxs-dma.c]
Tested-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
This commit is contained in:
Russell King - ARM Linux
2012-03-06 22:35:47 +00:00
committed by Vinod Koul
parent 96a2af41c7
commit d3ee98cdcd
15 changed files with 31 additions and 28 deletions
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4
drivers/dma/pch_dma.c
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@@ -531,7 +531,7 @@ static int pd_alloc_chan_resources(struct dma_chan *chan)
spin_lock_irq(&pd_chan->lock);
list_splice(&tmp_list, &pd_chan->free_list);
pd_chan->descs_allocated = i;
chan->completed_cookie = chan->cookie = 1;
dma_cookie_init(chan);
spin_unlock_irq(&pd_chan->lock);
pdc_enable_irq(chan, 1);
@@ -912,7 +912,7 @@ static int __devinit pch_dma_probe(struct pci_dev *pdev,
struct pch_dma_chan *pd_chan = &pd->channels[i];
pd_chan->chan.device = &pd->dma;
pd_chan->chan.cookie = 1;
dma_cookie_init(&pd_chan->chan);
pd_chan->membase = &regs->desc[i];