ARM: S3C2416: Add armdiv_mask constant

The S3C2416/2450 has only 3 bits for the armdiv setting instead
of the 4 bits of the S3C2443.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/mach-s3c2410/include/mach/regs-s3c2443-clock.h

@@ -65,6 +65,7 @@
 #define S3C2443_CLKDIV0_PREDIV_MASK	(3<<4)
 #define S3C2443_CLKDIV0_PREDIV_SHIFT	(4)
 
+#define S3C2416_CLKDIV0_ARMDIV_MASK	(7 << 9)
 #define S3C2443_CLKDIV0_ARMDIV_MASK	(15<<9)
 #define S3C2443_CLKDIV0_ARMDIV_SHIFT	(9)
 #define S3C2443_CLKDIV0_ARMDIV_1	(0<<9)

arch/arm/mach-s3c2416/clock.c

@@ -127,7 +127,7 @@ static struct clk hsmmc0_clk = {
 
 static inline unsigned int s3c2416_fclk_div(unsigned long clkcon0)
 {
-	clkcon0 &= 7 << S3C2443_CLKDIV0_ARMDIV_SHIFT;
+	clkcon0 &= S3C2416_CLKDIV0_ARMDIV_MASK;
 
 	return armdiv[clkcon0 >> S3C2443_CLKDIV0_ARMDIV_SHIFT];
 }