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authorGabor Juhos <j4g8y7@gmail.com>2024-05-08 22:34:14 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-07-11 12:51:20 +0200
commit39a609be133b9d9cfa260ac815585aa3dce38037 (patch)
treed8a8b575bb2c0573c71fe508631aa4871ef4ca66
parent1910c7cb1685cddd9a0dbcbd85f3a59be39b81b7 (diff)
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clk: qcom: clk-alpha-pll: set ALPHA_EN bit for Stromer Plus PLLs
[ Upstream commit 5a33a64524e6381c399e5e42571d9363ffc0bed4 ] The clk_alpha_pll_stromer_plus_set_rate() function does not sets the ALPHA_EN bit in the USER_CTL register, so setting rates which requires using alpha mode works only if the bit gets set already prior calling the function. Extend the function to set the ALPHA_EN bit in order to allow using fractional rates regardless whether the bit gets set previously or not. Fixes: 84da48921a97 ("clk: qcom: clk-alpha-pll: introduce stromer plus ops") Signed-off-by: Gabor Juhos <j4g8y7@gmail.com> Link: https://lore.kernel.org/r/20240508-stromer-plus-alpha-en-v1-1-6639ce01ca5b@gmail.com Signed-off-by: Bjorn Andersson <andersson@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--drivers/clk/qcom/clk-alpha-pll.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/clk/qcom/clk-alpha-pll.c b/drivers/clk/qcom/clk-alpha-pll.c
index be18ff983d35..003308a28896 100644
--- a/drivers/clk/qcom/clk-alpha-pll.c
+++ b/drivers/clk/qcom/clk-alpha-pll.c
@@ -2555,6 +2555,9 @@ static int clk_alpha_pll_stromer_plus_set_rate(struct clk_hw *hw,
regmap_write(pll->clkr.regmap, PLL_ALPHA_VAL_U(pll),
a >> ALPHA_BITWIDTH);
+ regmap_update_bits(pll->clkr.regmap, PLL_USER_CTL(pll),
+ PLL_ALPHA_EN, PLL_ALPHA_EN);
+
regmap_write(pll->clkr.regmap, PLL_MODE(pll), PLL_BYPASSNL);
/* Wait five micro seconds or more */