3 files changed, 5 insertions, 2 deletions

diff --git a/arch/arm/mach-exynos4/init.c b/arch/arm/mach-exynos4/init.c
index cf91f50e43ab..a8a83e3881a4 100644
--- a/arch/arm/mach-exynos4/init.c
+++ b/arch/arm/mach-exynos4/init.c
@@ -35,6 +35,7 @@ void __init exynos4_common_init_uarts(struct s3c2410_uartcfg *cfg, int no)
                         tcfg->clocks = exynos4_serial_clocks;
                         tcfg->clocks_size = ARRAY_SIZE(exynos4_serial_clocks);
                 }
+                tcfg->flags |= NO_NEED_CHECK_CLKSRC;
         }
 
         s3c24xx_init_uartdevs("s5pv210-uart", s5p_uart_resources, cfg, no);
diff --git a/arch/arm/plat-samsung/include/plat/regs-serial.h b/arch/arm/plat-samsung/include/plat/regs-serial.h
index c151c5f94a87..116edfe120b9 100644
--- a/arch/arm/plat-samsung/include/plat/regs-serial.h
+++ b/arch/arm/plat-samsung/include/plat/regs-serial.h
@@ -224,6 +224,8 @@
 #define S5PV210_UFSTAT_RXMASK   (255<<0)
 #define S5PV210_UFSTAT_RXSHIFT  (0)
 
+#define NO_NEED_CHECK_CLKSRC    1
+
 #ifndef __ASSEMBLY__
 
 /* struct s3c24xx_uart_clksrc
diff --git a/drivers/tty/serial/s5pv210.c b/drivers/tty/serial/s5pv210.c
index fb2619f93d84..dd194dc80ee9 100644
--- a/drivers/tty/serial/s5pv210.c
+++ b/drivers/tty/serial/s5pv210.c
@@ -30,7 +30,7 @@ static int s5pv210_serial_setsource(struct uart_port *port,
         struct s3c2410_uartcfg *cfg = port->dev->platform_data;
         unsigned long ucon = rd_regl(port, S3C2410_UCON);
 
-        if ((cfg->clocks_size) == 1)
+        if (cfg->flags & NO_NEED_CHECK_CLKSRC)
                 return 0;
 
         if (strcmp(clk->name, "pclk") == 0)
@@ -55,7 +55,7 @@ static int s5pv210_serial_getsource(struct uart_port *port,
 
         clk->divisor = 1;
 
-        if ((cfg->clocks_size) == 1)
+        if (cfg->flags & NO_NEED_CHECK_CLKSRC)
                 return 0;
 
         switch (ucon & S5PV210_UCON_CLKMASK) {