exynos: clock: fixed that cfg is set to wrong value.

This patch fixed that cfg value is set to wrong value.
Because it didn't read the related register.

Signed-off-by: Inha Song <ideal.song@samsung.com>
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

diff --git a/arch/arm/cpu/armv7/exynos/clock.c b/arch/arm/cpu/armv7/exynos/clock.c
index 6807ff3..61cd8cf 100644 (file)
--- a/arch/arm/cpu/armv7/exynos/clock.c
+++ b/arch/arm/cpu/armv7/exynos/clock.c
@@ -1114,6 +1114,7 @@ void exynos4_set_lcd_clk(void)
         * MIPI0_PRE_RATIO      [23:20]
         * set fimd ratio
         */
+       cfg = readl(&clk->div_lcd0);
        cfg &= ~(0xf);
        cfg |= 0x1;
        writel(cfg, &clk->div_lcd0);
@@ -1176,6 +1177,7 @@ void exynos5_set_lcd_clk(void)
         * MIPI0_PRE_RATIO      [23:20]
         * set fimd ratio
         */
+       cfg = readl(&clk->div_disp1_0);
        cfg &= ~(0xf);
        cfg |= 0x0;
        writel(cfg, &clk->div_disp1_0);
@@ -1236,6 +1238,7 @@ void exynos4_set_mipi_clk(void)
         * MIPI0_PRE_RATIO      [23:20]
         * set mipi ratio
         */
+       cfg = readl(&clk->div_lcd0);
        cfg &= ~(0xf << 16);
        cfg |= (0x1 << 16);
        writel(cfg, &clk->div_lcd0);