| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.9 048/134] clk: meson: clk-pll: fix initializing the old rate (fallback) for a PLL | Date | Mon, 1 Mar 2021 17:12:29 +0100 |
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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@googlemail.com 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 4adc1e89212c9..f9157e7f45f2d 100644 --- a/drivers/clk/meson/clk-pll.c +++ b/drivers/clk/meson/clk-pll.c @@ -145,7 +145,7 @@ 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) -- 2.27.0
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