msm: mmc: Remove "pio_irq" resource

On some targets, MCI_IRQ_MASK1 is not routed to the MSM in which
case only "cmd_irq" must be used even for PIO. With this change,
all the targets will use only "cmd_irq" for both CMD and PIO.

Signed-off-by: Sahitya Tummala <stummala@codeaurora.org>
Signed-off-by: David Brown <davidb@codeaurora.org>
Signed-off-by: Chris Ball <cjb@laptop.org>

arch/arm/mach-msm/devices-msm7x00.c

@@ -175,12 +175,6 @@ static struct resource resources_sdc1[] = {
 		.flags	= IORESOURCE_IRQ,
 		.name	= "cmd_irq",
 	},
-	{
-		.start	= INT_SDC1_1,
-		.end	= INT_SDC1_1,
-		.flags	= IORESOURCE_IRQ,
-		.name	= "pio_irq",
-	},
 	{
 		.flags	= IORESOURCE_IRQ | IORESOURCE_DISABLED,
 		.name	= "status_irq"
@@ -203,12 +197,6 @@ static struct resource resources_sdc2[] = {
 		.end	= INT_SDC2_0,
 		.flags	= IORESOURCE_IRQ,
 		.name	= "cmd_irq",
-	},
-		{
-		.start	= INT_SDC2_1,
-		.end	= INT_SDC2_1,
-		.flags	= IORESOURCE_IRQ,
-		.name	= "pio_irq",
 	},
 	{
 		.flags	= IORESOURCE_IRQ | IORESOURCE_DISABLED,
@@ -232,12 +220,6 @@ static struct resource resources_sdc3[] = {
 		.end	= INT_SDC3_0,
 		.flags	= IORESOURCE_IRQ,
 		.name	= "cmd_irq",
-	},
-		{
-		.start	= INT_SDC3_1,
-		.end	= INT_SDC3_1,
-		.flags	= IORESOURCE_IRQ,
-		.name	= "pio_irq",
 	},
 	{
 		.flags	= IORESOURCE_IRQ | IORESOURCE_DISABLED,
@@ -261,12 +243,6 @@ static struct resource resources_sdc4[] = {
 		.end	= INT_SDC4_0,
 		.flags	= IORESOURCE_IRQ,
 		.name	= "cmd_irq",
-	},
-		{
-		.start	= INT_SDC4_1,
-		.end	= INT_SDC4_1,
-		.flags	= IORESOURCE_IRQ,
-		.name	= "pio_irq",
 	},
 	{
 		.flags	= IORESOURCE_IRQ | IORESOURCE_DISABLED,

arch/arm/mach-msm/devices-qsd8x50.c

@@ -139,12 +139,6 @@ static struct resource resources_sdc1[] = {
 		.flags	= IORESOURCE_IRQ,
 		.name	= "cmd_irq",
 	},
-	{
-		.start	= INT_SDC1_1,
-		.end	= INT_SDC1_1,
-		.flags	= IORESOURCE_IRQ,
-		.name	= "pio_irq",
-	},
 	{
 		.flags	= IORESOURCE_IRQ | IORESOURCE_DISABLED,
 		.name	= "status_irq"
@@ -167,12 +161,6 @@ static struct resource resources_sdc2[] = {
 		.end	= INT_SDC2_0,
 		.flags	= IORESOURCE_IRQ,
 		.name	= "cmd_irq",
-	},
-		{
-		.start	= INT_SDC2_1,
-		.end	= INT_SDC2_1,
-		.flags	= IORESOURCE_IRQ,
-		.name	= "pio_irq",
 	},
 	{
 		.flags	= IORESOURCE_IRQ | IORESOURCE_DISABLED,
@@ -196,12 +184,6 @@ static struct resource resources_sdc3[] = {
 		.end	= INT_SDC3_0,
 		.flags	= IORESOURCE_IRQ,
 		.name	= "cmd_irq",
-	},
-		{
-		.start	= INT_SDC3_1,
-		.end	= INT_SDC3_1,
-		.flags	= IORESOURCE_IRQ,
-		.name	= "pio_irq",
 	},
 	{
 		.flags	= IORESOURCE_IRQ | IORESOURCE_DISABLED,
@@ -225,12 +207,6 @@ static struct resource resources_sdc4[] = {
 		.end	= INT_SDC4_0,
 		.flags	= IORESOURCE_IRQ,
 		.name	= "cmd_irq",
-	},
-		{
-		.start	= INT_SDC4_1,
-		.end	= INT_SDC4_1,
-		.flags	= IORESOURCE_IRQ,
-		.name	= "pio_irq",
 	},
 	{
 		.flags	= IORESOURCE_IRQ | IORESOURCE_DISABLED,

drivers/mmc/host/msm_sdcc.c

@@ -1159,7 +1159,6 @@ msmsdcc_probe(struct platform_device *pdev)
 	struct msmsdcc_host *host;
 	struct mmc_host *mmc;
 	struct resource *cmd_irqres = NULL;
-	struct resource *pio_irqres = NULL;
 	struct resource *stat_irqres = NULL;
 	struct resource *memres = NULL;
 	struct resource *dmares = NULL;
@@ -1184,12 +1183,10 @@ msmsdcc_probe(struct platform_device *pdev)
 	dmares = platform_get_resource(pdev, IORESOURCE_DMA, 0);
 	cmd_irqres = platform_get_resource_byname(pdev, IORESOURCE_IRQ,
 						  "cmd_irq");
-	pio_irqres = platform_get_resource_byname(pdev, IORESOURCE_IRQ,
-						  "pio_irq");
 	stat_irqres = platform_get_resource_byname(pdev, IORESOURCE_IRQ,
 						   "status_irq");
 
-	if (!cmd_irqres || !pio_irqres || !memres) {
+	if (!cmd_irqres || !memres) {
 		pr_err("%s: Invalid resource\n", __func__);
 		return -ENXIO;
 	}
@@ -1219,7 +1216,6 @@ msmsdcc_probe(struct platform_device *pdev)
 	}
 
 	host->cmd_irqres = cmd_irqres;
-	host->pio_irqres = pio_irqres;
 	host->memres = memres;
 	host->dmares = dmares;
 	spin_lock_init(&host->lock);
@@ -1336,7 +1332,7 @@ msmsdcc_probe(struct platform_device *pdev)
 	if (ret)
 		goto stat_irq_free;
 
-	ret = request_irq(pio_irqres->start, msmsdcc_pio_irq, IRQF_SHARED,
+	ret = request_irq(cmd_irqres->start, msmsdcc_pio_irq, IRQF_SHARED,
 			  DRIVER_NAME " (pio)", host);
 	if (ret)
 		goto cmd_irq_free;

drivers/mmc/host/msm_sdcc.h

@@ -202,7 +202,6 @@ struct msmsdcc_stats {
 
 struct msmsdcc_host {
 	struct resource		*cmd_irqres;
-	struct resource		*pio_irqres;
 	struct resource		*memres;
 	struct resource		*dmares;
 	void __iomem		*base;