From: Peter Ujfalusi <peter.ujfalusi@ti.com>
Date: Thu, 12 Mar 2015 08:06:29 +0000 (+0200)
Subject: ARM: davinci: dm646x: Clean up the McASP DMA resources
X-Git-Tag: firefly_0821_release~176^2~1898^2~5^2~2
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=256b20a54a13962a9fcffabbc08903301fa4c259;p=firefly-linux-kernel-4.4.55.git

ARM: davinci: dm646x: Clean up the McASP DMA resources

Add names to the DMA resources and remove the RX DMA dummy part for McASP1.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
---

diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c
index 6c3bbea7d77d..d2a2619aee81 100644
--- a/arch/arm/mach-davinci/dm646x.c
+++ b/arch/arm/mach-davinci/dm646x.c
@@ -610,19 +610,21 @@ static struct resource dm646x_mcasp0_resources[] = {
 		.end 	= DAVINCI_DM646X_MCASP0_REG_BASE + (SZ_1K << 1) - 1,
 		.flags 	= IORESOURCE_MEM,
 	},
-	/* first TX, then RX */
 	{
+		.name	= "tx",
 		.start	= DAVINCI_DM646X_DMA_MCASP0_AXEVT0,
 		.end	= DAVINCI_DM646X_DMA_MCASP0_AXEVT0,
 		.flags	= IORESOURCE_DMA,
 	},
 	{
+		.name	= "rx",
 		.start	= DAVINCI_DM646X_DMA_MCASP0_AREVT0,
 		.end	= DAVINCI_DM646X_DMA_MCASP0_AREVT0,
 		.flags	= IORESOURCE_DMA,
 	},
 };
 
+/* DIT mode only, rx is not supported */
 static struct resource dm646x_mcasp1_resources[] = {
 	{
 		.name	= "mpu",
@@ -630,18 +632,12 @@ static struct resource dm646x_mcasp1_resources[] = {
 		.end	= DAVINCI_DM646X_MCASP1_REG_BASE + (SZ_1K << 1) - 1,
 		.flags	= IORESOURCE_MEM,
 	},
-	/* DIT mode, only TX event */
 	{
+		.name	= "tx",
 		.start	= DAVINCI_DM646X_DMA_MCASP1_AXEVT1,
 		.end	= DAVINCI_DM646X_DMA_MCASP1_AXEVT1,
 		.flags	= IORESOURCE_DMA,
 	},
-	/* DIT mode, dummy entry */
-	{
-		.start	= -1,
-		.end	= -1,
-		.flags	= IORESOURCE_DMA,
-	},
 };
 
 static struct platform_device dm646x_mcasp0_device = {