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path: root/drivers/tty/serial/samsung.h
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Diffstat (limited to 'drivers/tty/serial/samsung.h')
-rw-r--r--drivers/tty/serial/samsung.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/tty/serial/samsung.h b/drivers/tty/serial/samsung.h
index 00a499ecd385..aaa617a6c499 100644
--- a/drivers/tty/serial/samsung.h
+++ b/drivers/tty/serial/samsung.h
@@ -68,7 +68,8 @@ struct s3c24xx_uart_port {
/* register access controls */
#define portaddr(port, reg) ((port)->membase + (reg))
-#define portaddrl(port, reg) ((unsigned long *)((port)->membase + (reg)))
+#define portaddrl(port, reg) \
+ ((unsigned long *)(unsigned long)((port)->membase + (reg)))
#define rd_regb(port, reg) (__raw_readb(portaddr(port, reg)))
#define rd_regl(port, reg) (__raw_readl(portaddr(port, reg)))