linux-kernel - [PATCH 4/5] imx-drm: ipu-dp: Introduce IPUV3_NUM

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Date:	Fri, 28 Jun 2013 00:32:04 -0300
From:	Fabio Estevam <festevam@...il.com>
To:	gregkh@...uxfoundation.org
Cc:	shawn.guo@...aro.org, kernel@...gutronix.de,
	linux-kernel@...r.kernel.org,
	Fabio Estevam <fabio.estevam@...escale.com>
Subject: [PATCH 4/5] imx-drm: ipu-dp: Introduce IPUV3_NUM_FLOWS

From: Fabio Estevam <fabio.estevam@...escale.com>

IPUv3 has a total of 3 flows (one synchronous flow and 2 asynchronous flows).

Let's add a definition for such number in order to let the code easier to
understand.

Signed-off-by: Fabio Estevam <fabio.estevam@...escale.com>
---
 drivers/staging/imx-drm/ipu-v3/ipu-dp.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/imx-drm/ipu-v3/ipu-dp.c b/drivers/staging/imx-drm/ipu-v3/ipu-dp.c
index 6e0e9f1..3bdff6af 100644
--- a/drivers/staging/imx-drm/ipu-v3/ipu-dp.c
+++ b/drivers/staging/imx-drm/ipu-v3/ipu-dp.c
@@ -46,6 +46,8 @@
 #define DP_COM_CONF_CSC_DEF_BG		(2 << 8)
 #define DP_COM_CONF_CSC_DEF_BOTH	(1 << 8)
 
+#define IPUV3_NUM_FLOWS		3
+
 struct ipu_dp_priv;
 
 struct ipu_dp {
@@ -67,7 +69,7 @@ struct ipu_dp_priv {
 	struct ipu_soc *ipu;
 	struct device *dev;
 	void __iomem *base;
-	struct ipu_flow flow[3];
+	struct ipu_flow flow[IPUV3_NUM_FLOWS];
 	struct mutex mutex;
 	int use_count;
 };
@@ -322,7 +324,7 @@ int ipu_dp_init(struct ipu_soc *ipu, struct device *dev, unsigned long base)
 
 	mutex_init(&priv->mutex);
 
-	for (i = 0; i < 3; i++) {
+	for (i = 0; i < IPUV3_NUM_FLOWS; i++) {
 		priv->flow[i].foreground.foreground = 1;
 		priv->flow[i].base = priv->base + ipu_dp_flow_base[i];
 		priv->flow[i].priv = priv;
-- 
1.8.1.2

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