[PATCHv2 04/10] dw_dmac: print correct number of scanned descriptors

Andy Shevchenko
2012-06-19T10:36:33Z

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