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phy: qcom-ufs: move PHY configurations after vregs and clocks are enabled

Browse source 
PHY congifuration actions should come only after regulators and clocks are
enabled.

Change-Id: Ib1c10d0b1d25d41b59d724f0a2d301ac6cd7f219
Signed-off-by: Can Guo <cang@codeaurora.org>
This commit is contained in:
Can Guo 2019-08-20 01:06:36 -07:00
commit 3ad271f0fa
1 changed files with 31 additions and 29 deletions
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60
drivers/phy/qualcomm/phy-qcom-ufs.c
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@ -601,35 +601,6 @@ int ufs_qcom_phy_power_on(struct phy *generic_phy)
bool is_rate_B = false;
int err;
err = ufs_qcom_phy_get_reset(phy_common);
if (err)
return err;
err = reset_control_assert(phy_common->ufs_reset);
if (err)
return err;
if (phy_common->mode == PHY_MODE_UFS_HS_B)
is_rate_B = true;
err = phy_common->phy_spec_ops->calibrate(phy_common, is_rate_B);
if (err)
return err;
err = reset_control_deassert(phy_common->ufs_reset);
if (err) {
dev_err(dev, "Failed to assert UFS PHY reset");
return err;
}
err = ufs_qcom_phy_start_serdes(phy_common);
if (err)
return err;
err = ufs_qcom_phy_is_pcs_ready(phy_common);
if (err)
return err;
err = ufs_qcom_phy_enable_vreg(dev, &phy_common->vdda_phy);
if (err) {
dev_err(dev, "%s enable vdda_phy failed, err=%d\n",
@ -672,6 +643,37 @@ int ufs_qcom_phy_power_on(struct phy *generic_phy)
}
}
err = ufs_qcom_phy_get_reset(phy_common);
if (err)
goto out_disable_ref_clk;
err = reset_control_assert(phy_common->ufs_reset);
if (err) {
dev_err(dev, "Failed to assert UFS PHY reset\n");
goto out_disable_ref_clk;
}
if (phy_common->mode == PHY_MODE_UFS_HS_B)
is_rate_B = true;
err = phy_common->phy_spec_ops->calibrate(phy_common, is_rate_B);
if (err)
goto out_disable_ref_clk;
err = reset_control_deassert(phy_common->ufs_reset);
if (err) {
dev_err(dev, "Failed to deassert UFS PHY reset\n");
goto out_disable_ref_clk;
}
err = ufs_qcom_phy_start_serdes(phy_common);
if (err)
goto out_disable_ref_clk;
err = ufs_qcom_phy_is_pcs_ready(phy_common);
if (err)
goto out_disable_ref_clk;
goto out;
out_disable_ref_clk: