diff --git a/arch/blackfin/include/asm/serial.h b/arch/blackfin/include/asm/serial.h
index 94a4a12e3bf2c8ccbc54066c9af77a4058af3b22..a0cb0caff15241a41973f67b68756510b8bfe90e 100644
--- a/arch/blackfin/include/asm/serial.h
+++ b/arch/blackfin/include/asm/serial.h
@@ -1,2 +1 @@
 #include <asm-generic/serial.h>
-#define SERIAL_EXTRA_IRQ_FLAGS IRQF_TRIGGER_HIGH
diff --git a/arch/blackfin/mach-bf533/boards/H8606.c b/arch/blackfin/mach-bf533/boards/H8606.c
index 6dd466da405e562b507de044fdff4cb19cc52d62..2ce7b16faee181fed6789323e3b9763b1a4fa269 100644
--- a/arch/blackfin/mach-bf533/boards/H8606.c
+++ b/arch/blackfin/mach-bf533/boards/H8606.c
@@ -347,6 +347,7 @@ static struct plat_serial8250_port serial8250_platform_data [] = {
 		.membase = (void *)0x20200000,
 		.mapbase = 0x20200000,
 		.irq = IRQ_PF8,
+		.irqflags = IRQF_TRIGGER_HIGH,
 		.flags = UPF_BOOT_AUTOCONF | UART_CONFIG_TYPE,
 		.iotype = UPIO_MEM,
 		.regshift = 1,
@@ -355,6 +356,7 @@ static struct plat_serial8250_port serial8250_platform_data [] = {
 		.membase = (void *)0x20200010,
 		.mapbase = 0x20200010,
 		.irq = IRQ_PF8,
+		.irqflags = IRQF_TRIGGER_HIGH,
 		.flags = UPF_BOOT_AUTOCONF | UART_CONFIG_TYPE,
 		.iotype = UPIO_MEM,
 		.regshift = 1,