linux-kernel - [PATCH 2/2] DMA: remove dma_async_memcpy

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Date:	Thu, 08 Nov 2012 11:01:01 +0100
From:	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
To:	linux-kernel@...r.kernel.org
Cc:	Vinod Koul <vinod.koul@...el.com>, Dan Williams <djbw@...com>,
	Tomasz Figa <t.figa@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>
Subject: [PATCH 2/2] DMA: remove dma_async_memcpy_complete() macro

From: Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Subject: [PATCH 2/2] DMA: remove dma_async_memcpy_complete() macro

Just use dma_async_is_tx_complete() directly.

Cc: Vinod Koul <vinod.koul@...el.com>
Cc: Dan Williams <djbw@...com>
Cc: Tomasz Figa <t.figa@...sung.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@...sung.com>
---
 include/linux/dmaengine.h |    5 +----
 net/ipv4/tcp.c            |    2 +-
 2 files changed, 2 insertions(+), 5 deletions(-)

Index: b/include/linux/dmaengine.h
===================================================================
--- a/include/linux/dmaengine.h	2012-11-07 16:04:41.028876159 +0100
+++ b/include/linux/dmaengine.h	2012-11-07 16:05:22.004876153 +0100
@@ -927,16 +927,13 @@ static inline enum dma_status dma_async_
 	return status;
 }
 
-#define dma_async_memcpy_complete(chan, cookie, last, used)\
-	dma_async_is_tx_complete(chan, cookie, last, used)
-
 /**
  * dma_async_is_complete - test a cookie against chan state
  * @cookie: transaction identifier to test status of
  * @last_complete: last know completed transaction
  * @last_used: last cookie value handed out
  *
- * dma_async_is_complete() is used in dma_async_memcpy_complete()
+ * dma_async_is_complete() is used in dma_async_is_tx_complete()
  * the test logic is separated for lightweight testing of multiple cookies
  */
 static inline enum dma_status dma_async_is_complete(dma_cookie_t cookie,
Index: b/net/ipv4/tcp.c
===================================================================
--- a/net/ipv4/tcp.c	2012-11-07 16:04:11.700876163 +0100
+++ b/net/ipv4/tcp.c	2012-11-07 16:04:26.444876161 +0100
@@ -1413,7 +1413,7 @@ static void tcp_service_net_dma(struct s
 	dma_async_issue_pending(tp->ucopy.dma_chan);
 
 	do {
-		if (dma_async_memcpy_complete(tp->ucopy.dma_chan,
+		if (dma_async_is_tx_complete(tp->ucopy.dma_chan,
 					      last_issued, &done,
 					      &used) == DMA_SUCCESS) {
 			/* Safe to free early-copied skbs now */
--
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