From: Martin Blumenstingl martin.blumenstingl@googlemail.com
[ Upstream commit 2f290b7c67adf6459a17a4c978102af35cd62e4a ]
The "rate" parameter in meson_clk_pll_set_rate() contains the new rate. Retrieve the old rate with clk_hw_get_rate() so we don't inifinitely try to switch from the new rate to the same rate again.
Fixes: 7a29a869434e8b ("clk: meson: Add support for Meson clock controller") Signed-off-by: Martin Blumenstingl martin.blumenstingl@googlemail.com Signed-off-by: Jerome Brunet jbrunet@baylibre.com Link: https://lore.kernel.org/r/20201226121556.975418-2-martin.blumenstingl@google... Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/clk/meson/clk-pll.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/clk/meson/clk-pll.c b/drivers/clk/meson/clk-pll.c index 664edf0708ea7..50b1138aaad71 100644 --- a/drivers/clk/meson/clk-pll.c +++ b/drivers/clk/meson/clk-pll.c @@ -138,7 +138,7 @@ static int meson_clk_pll_set_rate(struct clk_hw *hw, unsigned long rate, if (parent_rate == 0 || rate == 0) return -EINVAL;
- old_rate = rate; + old_rate = clk_hw_get_rate(hw);
rate_set = meson_clk_get_pll_settings(pll, rate); if (!rate_set)