6.17-stable review patch. If anyone has any objections, please let me know.
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From: Denzeel Oliva wachiturroxd150@gmail.com
commit 19b50ab02eddbbd87ec2f0ad4a5bc93ac1c9b82d upstream.
Parent select bits for shared PLLs are in PLL_CON0, not PLL_CON3. Using the wrong register leads to incorrect parent selection and rates.
Fixes: bdd03ebf721f ("clk: samsung: Introduce Exynos990 clock controller driver") Signed-off-by: Denzeel Oliva wachiturroxd150@gmail.com Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20250830-fix-cmu-top-v5-1-7c62f608309e@gmail.com Signed-off-by: Krzysztof Kozlowski krzysztof.kozlowski@linaro.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/clk/samsung/clk-exynos990.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-)
diff --git a/drivers/clk/samsung/clk-exynos990.c b/drivers/clk/samsung/clk-exynos990.c index 8d3f193d2b4d..12e98bf5005a 100644 --- a/drivers/clk/samsung/clk-exynos990.c +++ b/drivers/clk/samsung/clk-exynos990.c @@ -239,12 +239,19 @@ static const unsigned long top_clk_regs[] __initconst = { PLL_LOCKTIME_PLL_SHARED2, PLL_LOCKTIME_PLL_SHARED3, PLL_LOCKTIME_PLL_SHARED4, + PLL_CON0_PLL_G3D, PLL_CON3_PLL_G3D, + PLL_CON0_PLL_MMC, PLL_CON3_PLL_MMC, + PLL_CON0_PLL_SHARED0, PLL_CON3_PLL_SHARED0, + PLL_CON0_PLL_SHARED1, PLL_CON3_PLL_SHARED1, + PLL_CON0_PLL_SHARED2, PLL_CON3_PLL_SHARED2, + PLL_CON0_PLL_SHARED3, PLL_CON3_PLL_SHARED3, + PLL_CON0_PLL_SHARED4, PLL_CON3_PLL_SHARED4, CLK_CON_MUX_MUX_CLKCMU_APM_BUS, CLK_CON_MUX_MUX_CLKCMU_AUD_CPU, @@ -689,13 +696,13 @@ PNAME(mout_cmu_vra_bus_p) = { "dout_cmu_shared0_div3",
static const struct samsung_mux_clock top_mux_clks[] __initconst = { MUX(CLK_MOUT_PLL_SHARED0, "mout_pll_shared0", mout_pll_shared0_p, - PLL_CON3_PLL_SHARED0, 4, 1), + PLL_CON0_PLL_SHARED0, 4, 1), MUX(CLK_MOUT_PLL_SHARED1, "mout_pll_shared1", mout_pll_shared1_p, - PLL_CON3_PLL_SHARED1, 4, 1), + PLL_CON0_PLL_SHARED1, 4, 1), MUX(CLK_MOUT_PLL_SHARED2, "mout_pll_shared2", mout_pll_shared2_p, - PLL_CON3_PLL_SHARED2, 4, 1), + PLL_CON0_PLL_SHARED2, 4, 1), MUX(CLK_MOUT_PLL_SHARED3, "mout_pll_shared3", mout_pll_shared3_p, - PLL_CON3_PLL_SHARED3, 4, 1), + PLL_CON0_PLL_SHARED3, 4, 1), MUX(CLK_MOUT_PLL_SHARED4, "mout_pll_shared4", mout_pll_shared4_p, PLL_CON0_PLL_SHARED4, 4, 1), MUX(CLK_MOUT_PLL_MMC, "mout_pll_mmc", mout_pll_mmc_p,