linux-kernel - [PATCH 11/12] mmp_tdma: set cookies as well when asked for tx status

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Message-Id: <1369656882-25241-12-git-send-email-andriy.shevchenko@linux.intel.com>
Date:	Mon, 27 May 2013 15:14:41 +0300
From:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:	linux-kernel@...r.kernel.org, Vinod Koul <vinod.koul@...el.com>,
	Dan Williams <djbw@...com>
Cc:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH 11/12] mmp_tdma: set cookies as well when asked for tx status

dma_set_residue() sets only residue value, so user can't rely on the returned
values of cookies. That patch standardize the behaviour.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/dma/mmp_tdma.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/dma/mmp_tdma.c b/drivers/dma/mmp_tdma.c
index 43d5a6c..4472915 100644
--- a/drivers/dma/mmp_tdma.c
+++ b/drivers/dma/mmp_tdma.c
@@ -456,7 +456,8 @@ static enum dma_status mmp_tdma_tx_status(struct dma_chan *chan,
 {
 	struct mmp_tdma_chan *tdmac = to_mmp_tdma_chan(chan);
 
-	dma_set_residue(txstate, tdmac->buf_len - tdmac->pos);
+	dma_set_tx_state(txstate, chan->completed_cookie, chan->cookie,
+			 tdmac->buf_len - tdmac->pos);
 
 	return tdmac->status;
 }
-- 
1.8.2.rc0.22.gb3600c3

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