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authorRhyland Klein <rklein@nvidia.com>2016-01-14 22:24:35 +0300
committerThierry Reding <treding@nvidia.com>2016-02-02 17:49:24 +0300
commit3dad5c5fa1d24c3bbb3e9e8ac0c52f35e045b807 (patch)
treed3b7c9b1ec316b1bc5838f754c43f8b8a3250049 /drivers/clk
parent3eb61566a6efc5a56ebe1e6b86519bc5e0b39003 (diff)
downloadlinux-3dad5c5fa1d24c3bbb3e9e8ac0c52f35e045b807.tar.xz
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>
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/tegra/clk-tegra210.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/clk/tegra/clk-tegra210.c b/drivers/clk/tegra/clk-tegra210.c
index caae0dcc9cb5..ffcb86a667d9 100644
--- a/drivers/clk/tegra/clk-tegra210.c
+++ b/drivers/clk/tegra/clk-tegra210.c
@@ -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: