From: Jason Chen <b02280@freescale.com>
Date: Mon, 22 Aug 2011 03:44:51 +0000 (+0800)
Subject: ENGR00154080 ipuv3: fix clear buffer function
X-Git-Tag: v3.0.35-fsl_4.1.0~2293
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=83c2e163ef787c636bbdf7646b3452f83959bfc3;p=karo-tx-linux.git

ENGR00154080 ipuv3: fix clear buffer function

fix clear buffer function.

Signed-off-by: Jason Chen <b02280@freescale.com>
---

diff --git a/drivers/mxc/ipu3/ipu_common.c b/drivers/mxc/ipu3/ipu_common.c
index d3dccdc2e0dd..11e8a580cdc2 100644
--- a/drivers/mxc/ipu3/ipu_common.c
+++ b/drivers/mxc/ipu3/ipu_common.c
@@ -2143,22 +2143,15 @@ void ipu_clear_buffer_ready(struct ipu_soc *ipu, ipu_channel_t channel, ipu_buff
 
 	spin_lock_irqsave(&ipu->ipu_lock, lock_flags);
 	ipu_cm_write(ipu, 0xF0300000, IPU_GPR); /* write one to clear */
-	if (bufNum == 0) {
-		if (idma_is_set(ipu, IPU_CHA_BUF0_RDY, dma_ch)) {
-			ipu_cm_write(ipu, idma_mask(dma_ch),
-					IPU_CHA_BUF0_RDY(dma_ch));
-		}
-	} else if (bufNum == 1) {
-		if (idma_is_set(ipu, IPU_CHA_BUF1_RDY, dma_ch)) {
-			ipu_cm_write(ipu, idma_mask(dma_ch),
-					IPU_CHA_BUF1_RDY(dma_ch));
-		}
-	} else {
-		if (idma_is_set(ipu, IPU_CHA_BUF2_RDY, dma_ch)) {
-			ipu_cm_write(ipu, idma_mask(dma_ch),
-					IPU_CHA_BUF2_RDY(dma_ch));
-		}
-	}
+	if (bufNum == 0)
+		ipu_cm_write(ipu, idma_mask(dma_ch),
+				IPU_CHA_BUF0_RDY(dma_ch));
+	else if (bufNum == 1)
+		ipu_cm_write(ipu, idma_mask(dma_ch),
+				IPU_CHA_BUF1_RDY(dma_ch));
+	else
+		ipu_cm_write(ipu, idma_mask(dma_ch),
+				IPU_CHA_BUF2_RDY(dma_ch));
 	ipu_cm_write(ipu, 0x0, IPU_GPR); /* write one to set */
 	spin_unlock_irqrestore(&ipu->ipu_lock, lock_flags);
 }