The most exynos used the "Ratio + 1" as div value.
And value at register is "Ratio".
So if want to set exact value, it needs to subtract one.
Value at register ("Ratio") = div - 1
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
void set_mmc_clk(int dev_index, unsigned int div)
{
+ /* If want to set correct value, it needs to substract one from div.*/
+ if (div > 0)
+ div -= 1;
+
if (cpu_is_exynos5()) {
if (proid_is_exynos5420() || proid_is_exynos5800())
exynos5420_set_mmc_clk(dev_index, div);