ramips: use resource to pass irq and base address to the ethernet driver

SVN-Revision: 18166

target/linux/ramips/files/arch/mips/include/asm/mach-ralink/eth.h

@@ -189,10 +189,8 @@ struct ramips_tx_dma {
 struct ramips_eth_platform_data
 {
 	unsigned char mac[6];
-	unsigned int base_addr;
 	void (*reset_fe)(void);
 	int min_pkt_len;
-	int irq;
 };
 
 struct raeth_priv

target/linux/ramips/files/arch/mips/ralink/rt305x/devices.c

@@ -103,18 +103,30 @@ static void rt305x_fe_reset(void)
 	rt305x_sysc_wr(0, RAMIPS_FE_RESET);
 }
 
+static struct resource rt305x_eth_resources[] = {
+	{
+		.start	= RT305X_FE_BASE,
+		.end	= RT305X_FE_BASE + PAGE_SIZE - 1,
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.start	= RT305X_CPU_IRQ_FE,
+		.end	= RT305X_CPU_IRQ_FE,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
 static struct ramips_eth_platform_data ramips_eth_data = {
 	.mac = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 },
-	.base_addr = RT305X_FE_BASE,
-	.irq = RT305X_CPU_IRQ_FE,
 	.reset_fe = rt305x_fe_reset,
 	.min_pkt_len = 64
 };
 
 static struct platform_device rt305x_eth_device = {
-	.name = "ramips_eth",
+	.name		= "ramips_eth",
+	.resource	= rt305x_eth_resources,
+	.num_resources	= ARRAY_SIZE(rt305x_eth_resources),
 	.dev = {
-		.platform_data = (void *) &ramips_eth_data,
+		.platform_data = &ramips_eth_data,
 	}
 };
 

target/linux/ramips/files/drivers/net/ramips.c

@@ -338,6 +338,7 @@ ramips_eth_plat_probe(struct platform_device *plat)
 {
 	struct raeth_priv *priv;
 	struct ramips_eth_platform_data *data = plat->dev.platform_data;
+	struct resource *res;
 	int err;
 
 	if (!data) {
@@ -345,7 +346,13 @@ ramips_eth_plat_probe(struct platform_device *plat)
 		return -EINVAL;
 	}
 
-	ramips_fe_base = ioremap_nocache(data->base_addr, PAGE_SIZE);
+	res = platform_get_resource(plat, IORESOURCE_MEM, 0);
+	if (!res) {
+		dev_err(&plat->dev, "no memory resource found\n");
+		return -ENXIO;
+	}
+
+	ramips_fe_base = ioremap_nocache(res->start, res->end - res->start + 1);
 	if(!ramips_fe_base)
 		return -ENOMEM;
 
@@ -357,7 +364,12 @@ ramips_eth_plat_probe(struct platform_device *plat)
 	}
 
 	strcpy(ramips_dev->name, "eth%d");
-	ramips_dev->irq = data->irq;
+	ramips_dev->irq = platform_get_irq(plat, 0);
+	if (ramips_dev->irq < 0) {
+		dev_err(&plat->dev, "no IRQ resource found\n");
+		err = -ENXIO;
+		goto err_free_dev;
+	}
 	ramips_dev->addr_len = ETH_ALEN;
 	ramips_dev->base_addr = (unsigned long)ramips_fe_base;
 	ramips_dev->init = ramips_eth_probe;