From 8d2a3539517dbf13e970b3aabdf94b04a65d276c Mon Sep 17 00:00:00 2001 From: Changhuang Liang Date: Wed, 26 Jun 2024 19:00:59 -0700 Subject: [PATCH] phy: starfive: Correct the dphy configure process We actually want to calculate the alignment values first, then use the alignment value to look up the data from reg_configs[]. Fixes: d3ab79553308 ("phy: starfive: Add mipi dphy tx support") Reviewed-by: Shengyang Chen Signed-off-by: Changhuang Liang Link: https://lore.kernel.org/r/20240627020059.163535-1-changhuang.liang@starfivetech.com Signed-off-by: Vinod Koul --- drivers/phy/starfive/phy-jh7110-dphy-tx.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/phy/starfive/phy-jh7110-dphy-tx.c b/drivers/phy/starfive/phy-jh7110-dphy-tx.c index 61b0da6096e5..c64d1c91b130 100644 --- a/drivers/phy/starfive/phy-jh7110-dphy-tx.c +++ b/drivers/phy/starfive/phy-jh7110-dphy-tx.c @@ -235,12 +235,14 @@ static int stf_dphy_configure(struct phy *phy, union phy_configure_opts *opts) const struct stf_dphy_config *p = reg_configs; unsigned long alignment = STF_DPHY_BITRATE_ALIGN; u32 bitrate = opts->mipi_dphy.hs_clk_rate; - u32 i = stf_dphy_get_config_index(bitrate); u32 tmp; + u32 i; if (bitrate % alignment) bitrate += alignment - (bitrate % alignment); + i = stf_dphy_get_config_index(bitrate); + tmp = readl(dphy->topsys + STF_DPHY_APBIFSAIF_SYSCFG(100)); tmp &= ~STF_DPHY_REFCLK_IN_SEL; tmp |= FIELD_PREP(STF_DPHY_REFCLK_IN_SEL, STF_DPHY_REFCLK_12M); -- 2.50.1