linux-kernel - [PATCH 1/3] dmaengine: PL08x: Fix reading the byte count in cctl

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Message-Id: <1352109104-2969-2-git-send-email-alban.bedel@avionic-design.de>
Date:	Mon,  5 Nov 2012 10:51:42 +0100
From:	Alban Bedel <alban.bedel@...onic-design.de>
To:	linux-kernel@...r.kernel.org
Cc:	Vinod Koul <vinod.koul@...el.com>, Dan Williams <djbw@...com>,
	Alban Bedel <alban.bedel@...onic-design.de>
Subject: [PATCH 1/3] dmaengine: PL08x: Fix reading the byte count in cctl

Signed-off-by: Alban Bedel <alban.bedel@...onic-design.de>
---
 drivers/dma/amba-pl08x.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c
index d1cc579..fc8bedf 100644
--- a/drivers/dma/amba-pl08x.c
+++ b/drivers/dma/amba-pl08x.c
@@ -453,7 +453,8 @@ static inline u32 get_bytes_in_cctl(u32 cctl)
 	/* The source width defines the number of bytes */
 	u32 bytes = cctl & PL080_CONTROL_TRANSFER_SIZE_MASK;
 
-	switch (cctl >> PL080_CONTROL_SWIDTH_SHIFT) {
+	switch ((cctl & PL080_CONTROL_SWIDTH_MASK) >>
+		PL080_CONTROL_SWIDTH_SHIFT) {
 	case PL080_WIDTH_8BIT:
 		break;
 	case PL080_WIDTH_16BIT:
-- 
1.7.0.4

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