linux-kernel - [PATCH 1/2] dmaengine: intel_mid

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Date:	Tue, 31 Jan 2012 12:48:59 +0200
From:	Adrian Hunter <adrian.hunter@...el.com>
To:	Vinod Koul <vinod.koul@...el.com>
Cc:	Dan Williams <dan.j.williams@...el.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Adrian Hunter <adrian.hunter@...el.com>
Subject: [PATCH 1/2] dmaengine: intel_mid_dma: fix error status mask

The error status mask (MASK_ERR) has the same format as the other
masks (MASK_TFR, MASK_BLOCK etc) and must be cleared the same way.

Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
---
 drivers/dma/intel_mid_dma.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/dma/intel_mid_dma.c b/drivers/dma/intel_mid_dma.c
index 74f70aa..512e2ab 100644
--- a/drivers/dma/intel_mid_dma.c
+++ b/drivers/dma/intel_mid_dma.c
@@ -1056,7 +1056,8 @@ static irqreturn_t intel_mid_dma_interrupt(int irq, void *data)
 	}
 	err_status &= mid->intr_mask;
 	if (err_status) {
-		iowrite32(MASK_INTR_REG(err_status), mid->dma_base + MASK_ERR);
+		iowrite32((err_status << INT_MASK_WE),
+			  mid->dma_base + MASK_ERR);
 		call_tasklet = 1;
 	}
 	if (call_tasklet)
-- 
1.7.6.4

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