clk: tegra: Fix pllx dyn step calculation

The logic for calculating the input rate used when figuring out the
proper dynamic steps for pllx was incorrect. It is supposed to be
calculated using parent_rate / m but it was just using the parent rate
directly, therefore using the wrong step values.

Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Rhyland Klein 2016-01-14 14:24:35 -05:00 committed by Thierry Reding
parent 3eb61566a6
commit 3dad5c5fa1

View file

@ -780,13 +780,13 @@ static void pllx_get_dyn_steps(struct clk_hw *hw, u32 *step_a, u32 *step_b)
{
unsigned long input_rate;
if (!IS_ERR_OR_NULL(hw->clk)) {
/* cf rate */
if (!IS_ERR_OR_NULL(hw->clk))
input_rate = clk_hw_get_rate(clk_hw_get_parent(hw));
/* cf rate */
input_rate /= tegra_pll_get_fixed_mdiv(hw, input_rate);
} else {
else
input_rate = 38400000;
}
input_rate /= tegra_pll_get_fixed_mdiv(hw, input_rate);
switch (input_rate) {
case 12000000: