[PATCH] phy: qcom-qmp-ufs: Fix kaanapali PHY PLL lock failure after SM8650 G4 fix
Konrad Dybcio
konrad.dybcio at oss.qualcomm.com
Wed Apr 15 03:59:51 PDT 2026
On 4/15/26 12:48 PM, Nitin Rawat wrote:
> Commit 81af9e40e2e4 ("phy: qcom: qmp-ufs: Fix SM8650 PCS table for Gear 4")
> moved QPHY_V6_PCS_UFS_PLL_CNTL register configuration from the shared
> sm8650_ufsphy_g5_pcs table to the SM8650-specific sm8650_ufsphy_pcs base
> table to fix Gear 4 operation on SM8650.
>
> However, this change inadvertently broke kaanapali and SM8750 SoCs
> which also rely on the shared sm8650_ufsphy_g5_pcs table for Gear 5
> configuration but use their own sm8750_ufsphy_pcs base table. After the
> change, kaanapali PHYs are left without the required PLL_CNTL = 0x33
> setting, causing the PHY PLL to remain at its hardware reset default
> value, preventing PLL lock and resulting in DME_LINKSTARTUP timeouts.
>
> Fix this by adding the missing QPHY_V6_PCS_UFS_PLL_CNTL = 0x33 entry
> to the sm8750_ufsphy_pcs table, mirroring what the original commit
> already did for sm8650_ufsphy_pcs.
>
> Cc: stable at vger.kernel.org # v6.19.12
> Fixes: 81af9e40e2e4 ("phy: qcom: qmp-ufs: Fix SM8650 PCS table for Gear 4")
> Signed-off-by: Nitin Rawat <nitin.rawat at oss.qualcomm.com>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio at oss.qualcomm.com>
Konrad
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