When CLK_SET_RATE_PARENT is set for a divider then clk_divider_bestdiv()
is called which returns the best parent rate. This best parent rate must
be fed into divider_get_val(), not the unchanged original parent rate.
Fixes: 47b432c697 ("clk: divider: export clk_div_mask() helper")
Signed-off-by: Sascha Hauer <[email protected]>
---
drivers/clk/clk-divider.c | 12 +++++-------
1 file changed, 5 insertions(+), 7 deletions(-)
diff --git a/drivers/clk/clk-divider.c b/drivers/clk/clk-divider.c
index 9c2e50e4a5..7119dd4e59 100644
--- a/drivers/clk/clk-divider.c
+++ b/drivers/clk/clk-divider.c
@@ -265,19 +265,17 @@ static int clk_divider_set_rate(struct clk *clk, unsigned
long rate,
unsigned long parent_rate)
{
struct clk_divider *divider = container_of(clk, struct clk_divider,
clk);
- unsigned int div, value;
+ unsigned int value;
u32 val;
if (divider->flags & CLK_DIVIDER_READ_ONLY)
return 0;
if (clk->flags & CLK_SET_RATE_PARENT) {
- unsigned long best_parent_rate = parent_rate;
- div = clk_divider_bestdiv(clk, rate, &best_parent_rate,
- divider->table, divider->width, divider->flags);
- clk_set_rate(clk_get_parent(clk), best_parent_rate);
- } else {
- div = DIV_ROUND_UP(parent_rate, rate);
+ clk_divider_bestdiv(clk, rate, &parent_rate,
+ divider->table, divider->width,
+ divider->flags);
+ clk_set_rate(clk_get_parent(clk), parent_rate);
}
value = divider_get_val(rate, parent_rate, divider->table,
--
2.29.2
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