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charset="utf-8" Refactor the UFS PHY reset handling to parse the reset logic only once during probe, instead of every resume. Move the UFS PHY reset parsing logic from qmp_phy_power_on to qmp_ufs_probe to avoid unnecessary parsing during resume. Co-developed-by: Ram Kumar Dwivedi Signed-off-by: Ram Kumar Dwivedi Signed-off-by: Nitin Rawat --- drivers/phy/qualcomm/phy-qcom-qmp-ufs.c | 61 +++++++++++++------------ 1 file changed, 33 insertions(+), 28 deletions(-) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c b/drivers/phy/qualcomm= /phy-qcom-qmp-ufs.c index 636dc3dc3ea8..12dad28cc1bd 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c @@ -1799,38 +1799,11 @@ static int qmp_ufs_com_exit(struct qmp_ufs *qmp) static int qmp_ufs_power_on(struct phy *phy) { struct qmp_ufs *qmp =3D phy_get_drvdata(phy); - const struct qmp_phy_cfg *cfg =3D qmp->cfg; int ret; dev_vdbg(qmp->dev, "Initializing QMP phy\n"); - if (cfg->no_pcs_sw_reset) { - /* - * Get UFS reset, which is delayed until now to avoid a - * circular dependency where UFS needs its PHY, but the PHY - * needs this UFS reset. - */ - if (!qmp->ufs_reset) { - qmp->ufs_reset =3D - devm_reset_control_get_exclusive(qmp->dev, - "ufsphy"); - - if (IS_ERR(qmp->ufs_reset)) { - ret =3D PTR_ERR(qmp->ufs_reset); - dev_err(qmp->dev, - "failed to get UFS reset: %d\n", - ret); - - qmp->ufs_reset =3D NULL; - return ret; - } - } - } - ret =3D qmp_ufs_com_init(qmp); - if (ret) - return ret; - - return 0; + return ret; } static int qmp_ufs_phy_calibrate(struct phy *phy) @@ -2088,6 +2061,34 @@ static int qmp_ufs_parse_dt(struct qmp_ufs *qmp) return 0; } +static int qmp_ufs_get_phy_reset(struct qmp_ufs *qmp) +{ + const struct qmp_phy_cfg *cfg =3D qmp->cfg; + int ret; + + if (!cfg->no_pcs_sw_reset) + return 0; + + /* + * Get UFS reset, which is delayed until now to avoid a + * circular dependency where UFS needs its PHY, but the PHY + * needs this UFS reset. + */ + if (!qmp->ufs_reset) { + qmp->ufs_reset =3D + devm_reset_control_get_exclusive(qmp->dev, "ufsphy"); + + if (IS_ERR(qmp->ufs_reset)) { + ret =3D PTR_ERR(qmp->ufs_reset); + dev_err(qmp->dev, "failed to get PHY reset: %d\n", ret); + qmp->ufs_reset =3D NULL; + return ret; + } + } + + return 0; +} + static int qmp_ufs_probe(struct platform_device *pdev) { struct device *dev =3D &pdev->dev; @@ -2114,6 +2115,10 @@ static int qmp_ufs_probe(struct platform_device *pde= v) if (ret) return ret; + ret =3D qmp_ufs_get_phy_reset(qmp); + if (ret) + return ret; + /* Check for legacy binding with child node. */ np =3D of_get_next_available_child(dev->of_node, NULL); if (np) { -- 2.48.1