ARM: davinci: Use platform_device_register_full() to create pdev for eDMA

Convert the eDMA platform device creation to use
struct platform_device_info XXXXXX __initconst and
platform_device_register_full()
This will allow us to cleanly specify the dma_mask for the devices in an
upcoming patch.

Signed-off-by: Peter Ujfalusi <[email protected]>
Acked-by: Sekhar Nori <[email protected]>
Signed-off-by: Vinod Koul <[email protected]>

Author: Peter Ujfalusi

arch/arm/mach-davinci/devices-da8xx.c

@@ -213,48 +213,50 @@ static struct resource da850_edma1_resources[] = {
 	},
 };
 
-static struct platform_device da8xx_edma0_device = {
+static const struct platform_device_info da8xx_edma0_device __initconst = {
 	.name		= "edma",
 	.id		= 0,
-	.dev = {
-		.platform_data = &da8xx_edma0_pdata,
-	},
-	.num_resources	= ARRAY_SIZE(da8xx_edma0_resources),
-	.resource	= da8xx_edma0_resources,
+	.res		= da8xx_edma0_resources,
+	.num_res	= ARRAY_SIZE(da8xx_edma0_resources),
+	.data		= &da8xx_edma0_pdata,
+	.size_data	= sizeof(da8xx_edma0_pdata),
 };
 
-static struct platform_device da850_edma1_device = {
+static const struct platform_device_info da850_edma1_device __initconst = {
 	.name		= "edma",
 	.id		= 1,
-	.dev = {
-		.platform_data = &da850_edma1_pdata,
-	},
-	.num_resources	= ARRAY_SIZE(da850_edma1_resources),
-	.resource	= da850_edma1_resources,
+	.res		= da850_edma1_resources,
+	.num_res	= ARRAY_SIZE(da850_edma1_resources),
+	.data		= &da850_edma1_pdata,
+	.size_data	= sizeof(da850_edma1_pdata),
 };
 
 int __init da830_register_edma(struct edma_rsv_info *rsv)
 {
+	struct platform_device *edma_pdev;
+
 	da8xx_edma0_pdata.rsv = rsv;
 
-	return platform_device_register(&da8xx_edma0_device);
+	edma_pdev = platform_device_register_full(&da8xx_edma0_device);
+	return IS_ERR(edma_pdev) ? PTR_ERR(edma_pdev) : 0;
 }
 
 int __init da850_register_edma(struct edma_rsv_info *rsv[2])
 {
-	int ret;
+	struct platform_device *edma_pdev;
 
 	if (rsv) {
 		da8xx_edma0_pdata.rsv = rsv[0];
 		da850_edma1_pdata.rsv = rsv[1];
 	}
 
-	ret = platform_device_register(&da8xx_edma0_device);
-	if (ret) {
+	edma_pdev = platform_device_register_full(&da8xx_edma0_device);
+	if (IS_ERR(edma_pdev)) {
 		pr_warn("%s: Failed to register eDMA0\n", __func__);
-		return ret;
+		return PTR_ERR(edma_pdev);
 	}
-	return platform_device_register(&da850_edma1_device);
+	edma_pdev = platform_device_register_full(&da850_edma1_device);
+	return IS_ERR(edma_pdev) ? PTR_ERR(edma_pdev) : 0;
 }
 
 static struct resource da8xx_i2c_resources0[] = {

arch/arm/mach-davinci/dm355.c

@@ -613,12 +613,13 @@ static struct resource edma_resources[] = {
 	/* not using (or muxing) TC*_ERR */
 };
 
-static struct platform_device dm355_edma_device = {
-	.name			= "edma",
-	.id			= 0,
-	.dev.platform_data	= &dm355_edma_pdata,
-	.num_resources		= ARRAY_SIZE(edma_resources),
-	.resource		= edma_resources,
+static const struct platform_device_info dm355_edma_device __initconst = {
+	.name		= "edma",
+	.id		= 0,
+	.res		= edma_resources,
+	.num_res	= ARRAY_SIZE(edma_resources),
+	.data		= &dm355_edma_pdata,
+	.size_data	= sizeof(dm355_edma_pdata),
 };
 
 static struct resource dm355_asp1_resources[] = {
@@ -1057,13 +1058,18 @@ int __init dm355_init_video(struct vpfe_config *vpfe_cfg,
 
 static int __init dm355_init_devices(void)
 {
+	struct platform_device *edma_pdev;
 	int ret = 0;
 
 	if (!cpu_is_davinci_dm355())
 		return 0;
 
 	davinci_cfg_reg(DM355_INT_EDMA_CC);
-	platform_device_register(&dm355_edma_device);
+	edma_pdev = platform_device_register_full(&dm355_edma_device);
+	if (IS_ERR(edma_pdev)) {
+		pr_warn("%s: Failed to register eDMA\n", __func__);
+		return PTR_ERR(edma_pdev);
+	}
 
 	ret = davinci_init_wdt();
 	if (ret)

arch/arm/mach-davinci/dm644x.c

@@ -542,12 +542,13 @@ static struct resource edma_resources[] = {
 	/* not using TC*_ERR */
 };
 
-static struct platform_device dm644x_edma_device = {
-	.name			= "edma",
-	.id			= 0,
-	.dev.platform_data	= &dm644x_edma_pdata,
-	.num_resources		= ARRAY_SIZE(edma_resources),
-	.resource		= edma_resources,
+static const struct platform_device_info dm644x_edma_device __initconst = {
+	.name		= "edma",
+	.id		= 0,
+	.res		= edma_resources,
+	.num_res	= ARRAY_SIZE(edma_resources),
+	.data		= &dm644x_edma_pdata,
+	.size_data	= sizeof(dm644x_edma_pdata),
 };
 
 /* DM6446 EVM uses ASP0; line-out is a pair of RCA jacks */
@@ -945,12 +946,17 @@ int __init dm644x_init_video(struct vpfe_config *vpfe_cfg,
 
 static int __init dm644x_init_devices(void)
 {
+	struct platform_device *edma_pdev;
 	int ret = 0;
 
 	if (!cpu_is_davinci_dm644x())
 		return 0;
 
-	platform_device_register(&dm644x_edma_device);
+	edma_pdev = platform_device_register_full(&dm644x_edma_device);
+	if (IS_ERR(edma_pdev)) {
+		pr_warn("%s: Failed to register eDMA\n", __func__);
+		return PTR_ERR(edma_pdev);
+	}
 
 	platform_device_register(&dm644x_mdio_device);
 	platform_device_register(&dm644x_emac_device);

arch/arm/mach-davinci/dm646x.c

@@ -589,12 +589,13 @@ static struct resource edma_resources[] = {
 	/* not using TC*_ERR */
 };
 
-static struct platform_device dm646x_edma_device = {
-	.name			= "edma",
-	.id			= 0,
-	.dev.platform_data	= &dm646x_edma_pdata,
-	.num_resources		= ARRAY_SIZE(edma_resources),
-	.resource		= edma_resources,
+static const struct platform_device_info dm646x_edma_device __initconst = {
+	.name		= "edma",
+	.id		= 0,
+	.res		= edma_resources,
+	.num_res	= ARRAY_SIZE(edma_resources),
+	.data		= &dm646x_edma_pdata,
+	.size_data	= sizeof(dm646x_edma_pdata),
 };
 
 static struct resource dm646x_mcasp0_resources[] = {
@@ -931,9 +932,12 @@ void dm646x_setup_vpif(struct vpif_display_config *display_config,
 
 int __init dm646x_init_edma(struct edma_rsv_info *rsv)
 {
+	struct platform_device *edma_pdev;
+
 	dm646x_edma_pdata.rsv = rsv;
 
-	return platform_device_register(&dm646x_edma_device);
+	edma_pdev = platform_device_register_full(&dm646x_edma_device);
+	return IS_ERR(edma_pdev) ? PTR_ERR(edma_pdev) : 0;
 }
 
 void __init dm646x_init(void)