[SERIAL] Use an enum for serial8250 platform device IDs

Rather than hard-coding the platform device IDs, enumerate them.
We don't particularly care about the actual ID we get, just as
long as they're unique.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-clps7500/core.c

@@ -354,7 +354,7 @@ static struct plat_serial8250_port serial_platform_data[] = {
 
 static struct platform_device serial_device = {
 	.name			= "serial8250",
-	.id			= 0,
+	.id			= PLAT8250_DEV_PLATFORM,
 	.dev			= {
 		.platform_data	= serial_platform_data,
 	},

arch/arm/mach-ebsa110/core.c

@@ -219,7 +219,7 @@ static struct plat_serial8250_port serial_platform_data[] = {
 
 static struct platform_device serial_device = {
 	.name			= "serial8250",
-	.id			= 0,
+	.id			= PLAT8250_DEV_PLATFORM,
 	.dev			= {
 		.platform_data	= serial_platform_data,
 	},

arch/arm/mach-epxa10db/arch.c

@@ -52,7 +52,7 @@ static struct plat_serial8250_port serial_platform_data[] = {
 
 static struct platform_device serial_device = {
 	.name			= "serial8250",
-	.id			= 0,
+	.id			= PLAT8250_DEV_PLATFORM,
 	.dev			= {
 		.platform_data	= serial_platform_data,
 	},

arch/arm/mach-footbridge/isa.c

@@ -34,7 +34,7 @@ static struct plat_serial8250_port serial_platform_data[] = {
 
 static struct platform_device serial_device = {
 	.name			= "serial8250",
-	.id			= 0,
+	.id			= PLAT8250_DEV_PLATFORM,
 	.dev			= {
 		.platform_data	= serial_platform_data,
 	},

arch/arm/mach-h720x/cpu-h7202.c

@@ -90,7 +90,7 @@ static struct plat_serial8250_port serial_platform_data[] = {
 
 static struct platform_device serial_device = {
 	.name			= "serial8250",
-	.id			= 0,
+	.id			= PLAT8250_DEV_PLATFORM,
 	.dev			= {
 		.platform_data	= serial_platform_data,
 	},

arch/arm/mach-ixp2000/core.c

@@ -174,7 +174,7 @@ static struct resource ixp2000_uart_resource = {
 
 static struct platform_device ixp2000_serial_device = {
 	.name		= "serial8250",
-	.id		= 0,
+	.id		= PLAT8250_DEV_PLATFORM,
 	.dev		= {
 		.platform_data		= ixp2000_serial_port,
 	},

arch/arm/mach-ixp4xx/coyote-setup.c

@@ -66,7 +66,7 @@ static struct plat_serial8250_port coyote_uart_data[] = {
 
 static struct platform_device coyote_uart = {
 	.name		= "serial8250",
-	.id		= 0,
+	.id		= PLAT8250_DEV_PLATFORM,
 	.dev			= {
 		.platform_data	= coyote_uart_data,
 	},

arch/arm/mach-ixp4xx/gtwx5715-setup.c

@@ -93,7 +93,7 @@ static struct plat_serial8250_port gtwx5715_uart_platform_data[] = {
 
 static struct platform_device gtwx5715_uart_device = {
 	.name		= "serial8250",
-	.id		= 0,
+	.id		= PLAT8250_DEV_PLATFORM,
 	.dev			= {
 		.platform_data	= gtwx5715_uart_platform_data,
 	},

arch/arm/mach-ixp4xx/ixdp425-setup.c

@@ -96,7 +96,7 @@ static struct plat_serial8250_port ixdp425_uart_data[] = {
 
 static struct platform_device ixdp425_uart = {
 	.name			= "serial8250",
-	.id			= 0,
+	.id			= PLAT8250_DEV_PLATFORM,
 	.dev.platform_data	= ixdp425_uart_data,
 	.num_resources		= 2,
 	.resource		= ixdp425_uart_resources

arch/arm/mach-omap1/board-voiceblue.c

@@ -74,7 +74,7 @@ static struct plat_serial8250_port voiceblue_ports[] = {
 
 static struct platform_device serial_device = {
 	.name			= "serial8250",
-	.id			= 1,
+	.id			= PLAT8250_DEV_PLATFORM1,
 	.dev			= {
 		.platform_data	= voiceblue_ports,
 	},

arch/arm/mach-omap1/serial.c

@@ -94,7 +94,7 @@ static struct plat_serial8250_port serial_platform_data[] = {
 
 static struct platform_device serial_device = {
 	.name			= "serial8250",
-	.id			= 0,
+	.id			= PLAT8250_DEV_PLATFORM,
 	.dev			= {
 		.platform_data	= serial_platform_data,
 	},

arch/arm/mach-rpc/riscpc.c

@@ -140,7 +140,7 @@ static struct plat_serial8250_port serial_platform_data[] = {
 
 static struct platform_device serial_device = {
 	.name			= "serial8250",
-	.id			= 0,
+	.id			= PLAT8250_DEV_PLATFORM,
 	.dev			= {
 		.platform_data	= serial_platform_data,
 	},

arch/arm/mach-s3c2410/mach-bast.c

@@ -381,7 +381,7 @@ static struct plat_serial8250_port bast_sio_data[] = {
 
 static struct platform_device bast_sio = {
 	.name			= "serial8250",
-	.id			= 0,
+	.id			= PLAT8250_DEV_PLATFORM,
 	.dev			= {
 		.platform_data	= &bast_sio_data,
 	},

arch/arm/mach-s3c2410/mach-vr1000.c

@@ -221,7 +221,7 @@ static struct plat_serial8250_port serial_platform_data[] = {
 
 static struct platform_device serial_device = {
 	.name			= "serial8250",
-	.id			= 0,
+	.id			= PLAT8250_DEV_PLATFORM,
 	.dev			= {
 		.platform_data	= serial_platform_data,
 	},

arch/arm/mach-shark/core.c

@@ -41,7 +41,7 @@ static struct plat_serial8250_port serial_platform_data[] = {
 
 static struct platform_device serial_device = {
 	.name			= "serial8250",
-	.id			= 0,
+	.id			= PLAT8250_DEV_PLATFORM,
 	.dev			= {
 		.platform_data	= serial_platform_data,
 	},

arch/ppc/syslib/mpc10x_common.c

@@ -140,12 +140,12 @@ struct platform_device ppc_sys_platform_devices[] = {
 	},
 	[MPC10X_UART0] = {
 		.name = "serial8250",
-		.id	= 0,
+		.id	= PLAT8250_DEV_PLATFORM,
 		.dev.platform_data = serial_plat_uart0,
 	},
 	[MPC10X_UART1] = {
 		.name = "serial8250",
-		.id	= 1,
+		.id	= PLAT8250_DEV_PLATFORM1,
 		.dev.platform_data = serial_plat_uart1,
 	},
 

arch/ppc/syslib/mpc83xx_devices.c

@@ -165,7 +165,7 @@ struct platform_device ppc_sys_platform_devices[] = {
 	},
 	[MPC83xx_DUART] = {
 		.name = "serial8250",
-		.id	= 0,
+		.id	= PLAT8250_DEV_PLATFORM,
 		.dev.platform_data = serial_platform_data,
 	},
 	[MPC83xx_SEC2] = {

arch/ppc/syslib/mpc85xx_devices.c

@@ -282,7 +282,7 @@ struct platform_device ppc_sys_platform_devices[] = {
 	},
 	[MPC85xx_DUART] = {
 		.name = "serial8250",
-		.id	= 0,
+		.id	= PLAT8250_DEV_PLATFORM,
 		.dev.platform_data = serial_platform_data,
 	},
 	[MPC85xx_PERFMON] = {

arch/ppc64/kernel/setup.c

@@ -1283,7 +1283,7 @@ void __init generic_find_legacy_serial_ports(u64 *physport,
 
 static struct platform_device serial_device = {
 	.name	= "serial8250",
-	.id	= 0,
+	.id	= PLAT8250_DEV_PLATFORM,
 	.dev	= {
 		.platform_data = serial_ports,
 	},

drivers/serial/8250.c

@@ -2536,7 +2536,7 @@ static int __init serial8250_init(void)
 		goto out;
 
 	serial8250_isa_devs = platform_device_register_simple("serial8250",
-							      -1, NULL, 0);
+					 PLAT8250_DEV_LEGACY, NULL, 0);
 	if (IS_ERR(serial8250_isa_devs)) {
 		ret = PTR_ERR(serial8250_isa_devs);
 		goto unreg;

drivers/serial/8250_accent.c

@@ -29,7 +29,7 @@ static struct plat_serial8250_port accent_data[] = {
 
 static struct platform_device accent_device = {
 	.name			= "serial8250",
-	.id			= 2,
+	.id			= PLAT8250_DEV_ACCENT,
 	.dev			= {
 		.platform_data	= accent_data,
 	},

drivers/serial/8250_boca.c

@@ -43,7 +43,7 @@ static struct plat_serial8250_port boca_data[] = {
 
 static struct platform_device boca_device = {
 	.name			= "serial8250",
-	.id			= 3,
+	.id			= PLAT8250_DEV_BOCA,
 	.dev			= {
 		.platform_data	= boca_data,
 	},

drivers/serial/8250_fourport.c

@@ -35,7 +35,7 @@ static struct plat_serial8250_port fourport_data[] = {
 
 static struct platform_device fourport_device = {
 	.name			= "serial8250",
-	.id			= 1,
+	.id			= PLAT8250_DEV_FOURPORT,
 	.dev			= {
 		.platform_data	= fourport_data,
 	},

drivers/serial/8250_hub6.c

@@ -40,7 +40,7 @@ static struct plat_serial8250_port hub6_data[] = {
 
 static struct platform_device hub6_device = {
 	.name			= "serial8250",
-	.id			= 4,
+	.id			= PLAT8250_DEV_HUB6,
 	.dev			= {
 		.platform_data	= hub6_data,
 	},

drivers/serial/8250_mca.c

@@ -44,7 +44,7 @@ static struct plat_serial8250_port mca_data[] = {
 
 static struct platform_device mca_device = {
 	.name			= "serial8250",
-	.id			= 5,
+	.id			= PLAT8250_DEV_MCA,
 	.dev			= {
 		.platform_data	= mca_data,
 	},

include/linux/serial_8250.h

@@ -29,6 +29,21 @@ struct plat_serial8250_port {
 	unsigned int	flags;		/* UPF_* flags */
 };
 
+/*
+ * Allocate 8250 platform device IDs.  Nothing is implied by
+ * the numbering here, except for the legacy entry being -1.
+ */
+enum {
+	PLAT8250_DEV_LEGACY = -1,
+	PLAT8250_DEV_PLATFORM,
+	PLAT8250_DEV_PLATFORM1,
+	PLAT8250_DEV_FOURPORT,
+	PLAT8250_DEV_ACCENT,
+	PLAT8250_DEV_BOCA,
+	PLAT8250_DEV_HUB6,
+	PLAT8250_DEV_MCA,
+};
+
 /*
  * This should be used by drivers which want to register
  * their own 8250 ports without registering their own