ARM: S3C2443: Fix bit-reset in setrate of clk_armdiv
authorHeiko Stuebner <heiko@sntech.de>
Mon, 26 Sep 2011 01:30:29 +0000 (10:30 +0900)
committerKukjin Kim <kgene.kim@samsung.com>
Mon, 26 Sep 2011 01:30:29 +0000 (10:30 +0900)
The changed statement should set the old armdiv bits to 0
and not everything else, before setting the new value.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
arch/arm/mach-s3c2443/clock.c

index a1a7176675b9904210545133303542e25d4636b6..38058af48972d7cf10409885b6e7578032a94d90 100644 (file)
@@ -128,7 +128,7 @@ static int s3c2443_armclk_setrate(struct clk *clk, unsigned long rate)
                unsigned long clkcon0;
 
                clkcon0 = __raw_readl(S3C2443_CLKDIV0);
-               clkcon0 &= S3C2443_CLKDIV0_ARMDIV_MASK;
+               clkcon0 &= ~S3C2443_CLKDIV0_ARMDIV_MASK;
                clkcon0 |= val << S3C2443_CLKDIV0_ARMDIV_SHIFT;
                __raw_writel(clkcon0, S3C2443_CLKDIV0);
        }