diff options
Diffstat (limited to 'drivers/scsi/ufs/ufs-qcom.c')
-rw-r--r-- | drivers/scsi/ufs/ufs-qcom.c | 39 |
1 files changed, 17 insertions, 22 deletions
diff --git a/drivers/scsi/ufs/ufs-qcom.c b/drivers/scsi/ufs/ufs-qcom.c index 6a548e74d704..2b38db2eeafa 100644 --- a/drivers/scsi/ufs/ufs-qcom.c +++ b/drivers/scsi/ufs/ufs-qcom.c @@ -273,15 +273,18 @@ static int ufs_qcom_power_up_sequence(struct ufs_hba *hba) bool is_rate_B = (UFS_QCOM_LIMIT_HS_RATE == PA_HS_MODE_B) ? true : false; + if (is_rate_B) + phy_set_mode(phy, PHY_MODE_UFS_HS_B); + /* Assert PHY reset and apply PHY calibration values */ ufs_qcom_assert_reset(hba); /* provide 1ms delay to let the reset pulse propagate */ usleep_range(1000, 1100); - ret = ufs_qcom_phy_calibrate_phy(phy, is_rate_B); - + /* phy initialization - calibrate the phy */ + ret = phy_init(phy); if (ret) { - dev_err(hba->dev, "%s: ufs_qcom_phy_calibrate_phy() failed, ret = %d\n", + dev_err(hba->dev, "%s: phy init failed, ret = %d\n", __func__, ret); goto out; } @@ -294,21 +297,22 @@ static int ufs_qcom_power_up_sequence(struct ufs_hba *hba) * voltage, current to settle down before starting serdes. */ usleep_range(1000, 1100); - ret = ufs_qcom_phy_start_serdes(phy); + + /* power on phy - start serdes and phy's power and clocks */ + ret = phy_power_on(phy); if (ret) { - dev_err(hba->dev, "%s: ufs_qcom_phy_start_serdes() failed, ret = %d\n", + dev_err(hba->dev, "%s: phy power on failed, ret = %d\n", __func__, ret); - goto out; + goto out_disable_phy; } - ret = ufs_qcom_phy_is_pcs_ready(phy); - if (ret) - dev_err(hba->dev, - "%s: is_physical_coding_sublayer_ready() failed, ret = %d\n", - __func__, ret); - ufs_qcom_select_unipro_mode(host); + return 0; + +out_disable_phy: + ufs_qcom_assert_reset(hba); + phy_exit(phy); out: return ret; } @@ -1273,14 +1277,9 @@ static int ufs_qcom_init(struct ufs_hba *hba) ufs_qcom_phy_save_controller_version(host->generic_phy, host->hw_ver.major, host->hw_ver.minor, host->hw_ver.step); - phy_init(host->generic_phy); - err = phy_power_on(host->generic_phy); - if (err) - goto out_unregister_bus; - err = ufs_qcom_init_lane_clks(host); if (err) - goto out_disable_phy; + goto out_variant_clear; ufs_qcom_set_caps(hba); ufs_qcom_advertise_quirks(hba); @@ -1301,10 +1300,6 @@ static int ufs_qcom_init(struct ufs_hba *hba) goto out; -out_disable_phy: - phy_power_off(host->generic_phy); -out_unregister_bus: - phy_exit(host->generic_phy); out_variant_clear: ufshcd_set_variant(hba, NULL); out: |