diff --git a/arch/arm/mach-s3c2410/cpu.c b/arch/arm/mach-s3c2410/cpu.c
index 9d4899eddf1f26ccccc8906504c25578c11a4378..ae1f5bb63f7a809081a31a437aa983b944c66fa1 100644
--- a/arch/arm/mach-s3c2410/cpu.c
+++ b/arch/arm/mach-s3c2410/cpu.c
@@ -26,6 +26,7 @@
 #include <linux/module.h>
 #include <linux/interrupt.h>
 #include <linux/ioport.h>
+#include <linux/serial_core.h>
 #include <linux/platform_device.h>
 
 #include <asm/hardware.h>
diff --git a/arch/arm/mach-s3c2410/devs.c b/arch/arm/mach-s3c2410/devs.c
index cae35ff76f339b8be674b5f10262cbcc301bed44..faccde2092d2f353617e61893218c50a263ab22c 100644
--- a/arch/arm/mach-s3c2410/devs.c
+++ b/arch/arm/mach-s3c2410/devs.c
@@ -17,6 +17,7 @@
 #include <linux/list.h>
 #include <linux/timer.h>
 #include <linux/init.h>
+#include <linux/serial_core.h>
 #include <linux/platform_device.h>
 
 #include <asm/mach/arch.h>
diff --git a/arch/arm/mach-s3c2410/mach-anubis.c b/arch/arm/mach-s3c2410/mach-anubis.c
index e94cdcd965916437970151942ef26c31af8f1c6d..0fad0c2fe07b3b33d72b5d92dc2f0629dddd6934 100644
--- a/arch/arm/mach-s3c2410/mach-anubis.c
+++ b/arch/arm/mach-s3c2410/mach-anubis.c
@@ -15,6 +15,7 @@
 #include <linux/list.h>
 #include <linux/timer.h>
 #include <linux/init.h>
+#include <linux/serial_core.h>
 #include <linux/platform_device.h>
 
 #include <asm/mach/arch.h>
diff --git a/arch/arm/mach-s3c2410/mach-bast.c b/arch/arm/mach-s3c2410/mach-bast.c
index 2968fb235f95504b800b9fe2dd3f28d40ed68ed8..b8b76757ec54a70272a9107b06f5b554a50d299f 100644
--- a/arch/arm/mach-s3c2410/mach-bast.c
+++ b/arch/arm/mach-s3c2410/mach-bast.c
@@ -16,6 +16,7 @@
 #include <linux/list.h>
 #include <linux/timer.h>
 #include <linux/init.h>
+#include <linux/serial_core.h>
 #include <linux/platform_device.h>
 #include <linux/dm9000.h>
 
diff --git a/arch/arm/mach-s3c2410/mach-h1940.c b/arch/arm/mach-s3c2410/mach-h1940.c
index f5b98099a5d9cb1c925d060eb0b472be65078e6e..15b625eae499e2e13b0d3e61dea07a7963347520 100644
--- a/arch/arm/mach-s3c2410/mach-h1940.c
+++ b/arch/arm/mach-s3c2410/mach-h1940.c
@@ -17,6 +17,7 @@
 #include <linux/list.h>
 #include <linux/timer.h>
 #include <linux/init.h>
+#include <linux/serial_core.h>
 #include <linux/platform_device.h>
 
 #include <asm/mach/arch.h>
@@ -37,8 +38,6 @@
 #include <asm/arch/h1940-latch.h>
 #include <asm/arch/fb.h>
 
-#include <linux/serial_core.h>
-
 #include "clock.h"
 #include "devs.h"
 #include "cpu.h"
diff --git a/arch/arm/mach-s3c2410/mach-n30.c b/arch/arm/mach-s3c2410/mach-n30.c
index 116ac31699664cc3f98eaca5a054393c9aea844b..0411e9adb54d9b208682d849859a5dd16c97f08d 100644
--- a/arch/arm/mach-s3c2410/mach-n30.c
+++ b/arch/arm/mach-s3c2410/mach-n30.c
@@ -20,6 +20,7 @@
 #include <linux/timer.h>
 #include <linux/init.h>
 #include <linux/delay.h>
+#include <linux/serial_core.h>
 #include <linux/platform_device.h>
 #include <linux/kthread.h>
 
@@ -37,8 +38,6 @@
 #include <asm/arch/regs-gpio.h>
 #include <asm/arch/iic.h>
 
-#include <linux/serial_core.h>
-
 #include "s3c2410.h"
 #include "clock.h"
 #include "devs.h"
diff --git a/arch/arm/mach-s3c2410/mach-nexcoder.c b/arch/arm/mach-s3c2410/mach-nexcoder.c
index 065a1d4e860b53fd15fe8cd789917a1ffe471b26..d6dfdad8c90bbdd9d4d442dd0c64ec40086c510a 100644
--- a/arch/arm/mach-s3c2410/mach-nexcoder.c
+++ b/arch/arm/mach-s3c2410/mach-nexcoder.c
@@ -19,6 +19,7 @@
 #include <linux/timer.h>
 #include <linux/init.h>
 #include <linux/string.h>
+#include <linux/serial_core.h>
 #include <linux/platform_device.h>
 
 #include <linux/mtd/map.h>
diff --git a/arch/arm/mach-s3c2410/mach-osiris.c b/arch/arm/mach-s3c2410/mach-osiris.c
index a4ab144e7292622d4c4968fb43c8da5544a557de..37b40850c9b9006d9caeef435fc2a08ce24ee4a6 100644
--- a/arch/arm/mach-s3c2410/mach-osiris.c
+++ b/arch/arm/mach-s3c2410/mach-osiris.c
@@ -16,6 +16,7 @@
 #include <linux/timer.h>
 #include <linux/init.h>
 #include <linux/device.h>
+#include <linux/serial_core.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
diff --git a/arch/arm/mach-s3c2410/mach-otom.c b/arch/arm/mach-s3c2410/mach-otom.c
index c71673fd9955e24558b9be628644cd48890fb60f..2c738b375e4d6da64359154ea3f0073f6e6a2ea9 100644
--- a/arch/arm/mach-s3c2410/mach-otom.c
+++ b/arch/arm/mach-s3c2410/mach-otom.c
@@ -15,6 +15,7 @@
 #include <linux/list.h>
 #include <linux/timer.h>
 #include <linux/init.h>
+#include <linux/serial_core.h>
 #include <linux/platform_device.h>
 
 #include <asm/mach/arch.h>
diff --git a/arch/arm/mach-s3c2410/mach-smdk2410.c b/arch/arm/mach-s3c2410/mach-smdk2410.c
index b3b0171d5052bb06f953187e57b70aa2340a2925..01c0c986d827de5d12f775aaf4abce49a7bd988e 100644
--- a/arch/arm/mach-s3c2410/mach-smdk2410.c
+++ b/arch/arm/mach-s3c2410/mach-smdk2410.c
@@ -35,6 +35,7 @@
 #include <linux/list.h>
 #include <linux/timer.h>
 #include <linux/init.h>
+#include <linux/serial_core.h>
 #include <linux/platform_device.h>
 
 #include <asm/mach/arch.h>
diff --git a/arch/arm/mach-s3c2410/mach-smdk2413.c b/arch/arm/mach-s3c2410/mach-smdk2413.c
index 3a4ca7f6f7b9b7bf4d51d1053c00cf31132a2ac7..4f89abd7a6dfcd03a58365e562fe205b73414618 100644
--- a/arch/arm/mach-s3c2410/mach-smdk2413.c
+++ b/arch/arm/mach-s3c2410/mach-smdk2413.c
@@ -17,6 +17,7 @@
 #include <linux/list.h>
 #include <linux/timer.h>
 #include <linux/init.h>
+#include <linux/serial_core.h>
 #include <linux/platform_device.h>
 
 #include <asm/mach/arch.h>
diff --git a/arch/arm/mach-s3c2410/mach-smdk2440.c b/arch/arm/mach-s3c2410/mach-smdk2440.c
index e2205ff1b0ee97b76d9038815e6b864e77b3d93b..2b61f4ed1da410fa21449d3ce95af14c80b0c005 100644
--- a/arch/arm/mach-s3c2410/mach-smdk2440.c
+++ b/arch/arm/mach-s3c2410/mach-smdk2440.c
@@ -19,6 +19,7 @@
 #include <linux/list.h>
 #include <linux/timer.h>
 #include <linux/init.h>
+#include <linux/serial_core.h>
 #include <linux/platform_device.h>
 
 #include <asm/mach/arch.h>
diff --git a/arch/arm/mach-s3c2410/mach-vstms.c b/arch/arm/mach-s3c2410/mach-vstms.c
index ea554e7c006e9793f829353faac57489c6a627a2..0360e1055bcd7485e1b6f8e0cfee40310644e4c4 100644
--- a/arch/arm/mach-s3c2410/mach-vstms.c
+++ b/arch/arm/mach-s3c2410/mach-vstms.c
@@ -15,6 +15,7 @@
 #include <linux/list.h>
 #include <linux/timer.h>
 #include <linux/init.h>
+#include <linux/serial_core.h>
 #include <linux/platform_device.h>
 
 #include <linux/mtd/mtd.h>
diff --git a/arch/arm/mach-s3c2410/pm-simtec.c b/arch/arm/mach-s3c2410/pm-simtec.c
index 42cd05e298f8dc5765e495712558f271ef4aa91d..619133eb716802b9002c6b44022591f44b80cddd 100644
--- a/arch/arm/mach-s3c2410/pm-simtec.c
+++ b/arch/arm/mach-s3c2410/pm-simtec.c
@@ -27,7 +27,6 @@
 #include <asm/io.h>
 
 #include <asm/arch/map.h>
-#include <asm/arch/regs-serial.h>
 #include <asm/arch/regs-gpio.h>
 #include <asm/arch/regs-mem.h>
 
diff --git a/arch/arm/mach-s3c2410/pm.c b/arch/arm/mach-s3c2410/pm.c
index b49a0b3b72b319562dcaf4763627ee52c85ad6de..00834097eb8244567e345f62b5c1b1afe7eca175 100644
--- a/arch/arm/mach-s3c2410/pm.c
+++ b/arch/arm/mach-s3c2410/pm.c
@@ -34,6 +34,7 @@
 #include <linux/crc32.h>
 #include <linux/ioport.h>
 #include <linux/delay.h>
+#include <linux/serial_core.h>
 
 #include <asm/cacheflush.h>
 #include <asm/hardware.h>
diff --git a/arch/arm/mach-s3c2410/s3c2410-clock.c b/arch/arm/mach-s3c2410/s3c2410-clock.c
index 5815aa0f1463235652f287361a83be16b8135e75..992cc6af230e676817185742f5ad6f3e792c5af8 100644
--- a/arch/arm/mach-s3c2410/s3c2410-clock.c
+++ b/arch/arm/mach-s3c2410/s3c2410-clock.c
@@ -30,6 +30,7 @@
 #include <linux/clk.h>
 #include <linux/mutex.h>
 #include <linux/delay.h>
+#include <linux/serial_core.h>
 
 #include <asm/mach/map.h>
 
diff --git a/arch/arm/mach-s3c2410/s3c2410-dma.c b/arch/arm/mach-s3c2410/s3c2410-dma.c
index 93cc31f10100b367fd78985d88c6cd60a24d32e0..824a8f7f1b3b480f26c5724bfefb0c748a4c5d15 100644
--- a/arch/arm/mach-s3c2410/s3c2410-dma.c
+++ b/arch/arm/mach-s3c2410/s3c2410-dma.c
@@ -15,6 +15,7 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/sysdev.h>
+#include <linux/serial_core.h>
 
 #include <asm/dma.h>
 #include <asm/arch/dma.h>
diff --git a/arch/arm/mach-s3c2410/s3c2410.c b/arch/arm/mach-s3c2410/s3c2410.c
index 1e5c504754d53de30f48445146b491cba8148e70..4cdc0d70c19f3fa6203440a6ea2f3082575c9861 100644
--- a/arch/arm/mach-s3c2410/s3c2410.c
+++ b/arch/arm/mach-s3c2410/s3c2410.c
@@ -17,6 +17,7 @@
 #include <linux/timer.h>
 #include <linux/init.h>
 #include <linux/sysdev.h>
+#include <linux/serial_core.h>
 #include <linux/platform_device.h>
 
 #include <asm/mach/arch.h>
diff --git a/arch/arm/mach-s3c2410/s3c2412-clock.c b/arch/arm/mach-s3c2410/s3c2412-clock.c
index 63f980cc2eb9b877569ffc486e53e1d10b3deb49..8f94ad83901db64ed762ba6c2c400cc8d12d1937 100644
--- a/arch/arm/mach-s3c2410/s3c2412-clock.c
+++ b/arch/arm/mach-s3c2410/s3c2412-clock.c
@@ -30,6 +30,7 @@
 #include <linux/clk.h>
 #include <linux/mutex.h>
 #include <linux/delay.h>
+#include <linux/serial_core.h>
 
 #include <asm/mach/map.h>
 
diff --git a/arch/arm/mach-s3c2410/s3c2412-dma.c b/arch/arm/mach-s3c2410/s3c2412-dma.c
index dcf582a8efdc0b9927199eb35e10e7e1603d5e05..fe71a8fdb87cd55eadc2fe751e32bb05a336a392 100644
--- a/arch/arm/mach-s3c2410/s3c2412-dma.c
+++ b/arch/arm/mach-s3c2410/s3c2412-dma.c
@@ -15,6 +15,7 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/sysdev.h>
+#include <linux/serial_core.h>
 
 #include <asm/dma.h>
 #include <asm/arch/dma.h>
diff --git a/arch/arm/mach-s3c2410/s3c2412.c b/arch/arm/mach-s3c2410/s3c2412.c
index a8cc8f8f77c0d6688bdf0cb17dd169fe3a05a326..2f651a811ecd5f6c513a5731274192ba28c03673 100644
--- a/arch/arm/mach-s3c2410/s3c2412.c
+++ b/arch/arm/mach-s3c2410/s3c2412.c
@@ -17,6 +17,7 @@
 #include <linux/timer.h>
 #include <linux/init.h>
 #include <linux/sysdev.h>
+#include <linux/serial_core.h>
 #include <linux/platform_device.h>
 
 #include <asm/mach/arch.h>
diff --git a/arch/arm/mach-s3c2410/s3c2440-dma.c b/arch/arm/mach-s3c2410/s3c2440-dma.c
index e07ac726a3a06ae488e7393abb1e337884bf3113..47b861b9443d7d0a864e0f3d367987e8c0e251de 100644
--- a/arch/arm/mach-s3c2410/s3c2440-dma.c
+++ b/arch/arm/mach-s3c2410/s3c2440-dma.c
@@ -15,6 +15,7 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/sysdev.h>
+#include <linux/serial_core.h>
 
 #include <asm/dma.h>
 #include <asm/arch/dma.h>
diff --git a/arch/arm/mach-s3c2410/s3c2440.c b/arch/arm/mach-s3c2410/s3c2440.c
index 0ab50f44f318bef575e414ef24d44430996492ce..b91b114374499958ca3746d4f4d7d0209f83df0d 100644
--- a/arch/arm/mach-s3c2410/s3c2440.c
+++ b/arch/arm/mach-s3c2410/s3c2440.c
@@ -17,6 +17,7 @@
 #include <linux/timer.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
+#include <linux/serial_core.h>
 #include <linux/sysdev.h>
 #include <linux/clk.h>
 
diff --git a/arch/arm/mach-s3c2410/s3c2442.c b/arch/arm/mach-s3c2410/s3c2442.c
index 581667efd13c8f8c84af03b80b00796a8ac6482d..e593cb058b1612d8a65fadaadef7025f9ca31721 100644
--- a/arch/arm/mach-s3c2410/s3c2442.c
+++ b/arch/arm/mach-s3c2410/s3c2442.c
@@ -17,6 +17,7 @@
 #include <linux/timer.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
+#include <linux/serial_core.h>
 #include <linux/sysdev.h>
 #include <linux/clk.h>
 
diff --git a/arch/arm/mach-s3c2410/s3c244x.c b/arch/arm/mach-s3c2410/s3c244x.c
index ffc0b21f99964d4eff1e26cfd0f3cb0aced25d3c..23c7494ad10d57ce685de8e74da04c74da6a9261 100644
--- a/arch/arm/mach-s3c2410/s3c244x.c
+++ b/arch/arm/mach-s3c2410/s3c244x.c
@@ -16,6 +16,7 @@
 #include <linux/list.h>
 #include <linux/timer.h>
 #include <linux/init.h>
+#include <linux/serial_core.h>
 #include <linux/platform_device.h>
 #include <linux/sysdev.h>
 #include <linux/clk.h>
diff --git a/include/asm-arm/arch-s3c2410/regs-serial.h b/include/asm-arm/arch-s3c2410/regs-serial.h
index 19c77da9c3fe144578da1aaaffa75b43c14a1d28..46f52401d132f9e2baacd635d12bd475e4a51701 100644
--- a/include/asm-arm/arch-s3c2410/regs-serial.h
+++ b/include/asm-arm/arch-s3c2410/regs-serial.h
@@ -197,7 +197,7 @@ struct s3c2410_uartcfg {
 	unsigned char	   hwport;	 /* hardware port number */
 	unsigned char	   unused;
 	unsigned short	   flags;
-	unsigned long	   uart_flags;	 /* default uart flags */
+	upf_t		   uart_flags;	 /* default uart flags */
 
 	unsigned long	   ucon;	 /* value of ucon for port */
 	unsigned long	   ulcon;	 /* value of ulcon for port */
diff --git a/include/asm-arm/arch-s3c2410/uncompress.h b/include/asm-arm/arch-s3c2410/uncompress.h
index 69551ffb4f8ba4c72a955ae996b661ed5b42a0e8..dcb2cef38f509b1eee3f88d54037b76aeab207d3 100644
--- a/include/asm-arm/arch-s3c2410/uncompress.h
+++ b/include/asm-arm/arch-s3c2410/uncompress.h
@@ -13,6 +13,7 @@
 #ifndef __ASM_ARCH_UNCOMPRESS_H
 #define __ASM_ARCH_UNCOMPRESS_H
 
+typedef unsigned int upf_t;	/* cannot include linux/serial_core.h */
 
 /* defines for UART registers */
 #include "asm/arch/regs-serial.h"