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

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Message-Id: <1340102050-12697-5-git-send-email-andriy.shevchenko@linux.intel.com>
Date:	Tue, 19 Jun 2012 13:34:04 +0300
From:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:	linux-kernel@...r.kernel.org
Cc:	Viresh Kumar <viresh.linux@...il.com>,
	Vinod Koul <vinod.koul@...el.com>,
	Dan Williams <dan.j.williams@...el.com>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCHv2 04/10] dw_dmac: print correct number of scanned descriptors

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@...ux.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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