diff --git a/arch/arm/mach-iop3xx/iop331-setup.c b/arch/arm/mach-iop3xx/iop331-setup.c
index 2d6abe5be14d..7b7b6eea3846 100644
--- a/arch/arm/mach-iop3xx/iop331-setup.c
+++ b/arch/arm/mach-iop3xx/iop331-setup.c
@@ -103,7 +103,7 @@ static struct plat_serial8250_port iop33x_uart1_data[] = {
 
 static struct platform_device iop33x_uart0 = {
        .name = "serial8250",
-       .id = 0,
+       .id = PLAT8250_DEV_PLATFORM,
        .dev.platform_data = iop33x_uart0_data,
        .num_resources = 2,
        .resource = iop33x_uart0_resources,
@@ -111,7 +111,7 @@ static struct platform_device iop33x_uart0 = {
 
 static struct platform_device iop33x_uart1 = {
        .name = "serial8250",
-       .id = 1,
+       .id = PLAT8250_DEV_PLATFORM1,
        .dev.platform_data = iop33x_uart1_data,
        .num_resources = 2,
        .resource = iop33x_uart1_resources,
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index 24dd374224af..0884bc7c23b7 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -167,7 +167,7 @@ void __init omap_serial_init()
 
 static struct platform_device serial_device = {
 	.name			= "serial8250",
-	.id			= 0,
+	.id			= PLAT8250_DEV_PLATFORM,
 	.dev			= {
 		.platform_data	= serial_platform_data,
 	},