Messages in this thread Patch in this message | | | From | Andy Shevchenko <> | Subject | [PATCHv2 04/10] dw_dmac: print correct number of scanned descriptors | Date | Tue, 19 Jun 2012 13:34:04 +0300 |
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In case the first descriptor we found is available, the counter still remains 0 value which is wrong. This patch fixes the counter behaviour.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> --- drivers/dma/dw_dmac.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c index b6251dc..763730a 100644 --- a/drivers/dma/dw_dmac.c +++ b/drivers/dma/dw_dmac.c @@ -107,13 +107,13 @@ static struct dw_desc *dwc_desc_get(struct dw_dma_chan *dwc) spin_lock_irqsave(&dwc->lock, flags); list_for_each_entry_safe(desc, _desc, &dwc->free_list, desc_node) { + i++; if (async_tx_test_ack(&desc->txd)) { list_del(&desc->desc_node); ret = desc; break; } dev_dbg(chan2dev(&dwc->chan), "desc %p not ACKed\n", desc); - i++; } spin_unlock_irqrestore(&dwc->lock, flags); -- 1.7.10
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