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usb: phy: qmp: Disable LDOs and clocks in error handling path

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This change disables regulators and clocks in the error
handling path if phy initialization fails.

Change-Id: I14f67d9704e01e4e047d9f1890b87f3fbd319b3d
Signed-off-by: Pratham Pratap <prathampratap@codeaurora.org>
This commit is contained in:
Pratham Pratap 2020-03-24 19:06:50 +05:30 • committed by Gerrit - the friendly Code Review server
commit 47dd60f2ed
1 changed files with 11 additions and 2 deletions
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13
drivers/usb/phy/phy-msm-ssusb-qmp.c
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@ -528,7 +528,7 @@ static int msm_ssphy_qmp_init(struct usb_phy *uphy)
ret = configure_phy_regs(uphy, reg);
if (ret) {
dev_err(uphy->dev, "Failed the main PHY configuration\n");
return ret;
goto fail;
}
/* perform software reset of PCS/Serdes */
@ -553,9 +553,18 @@ static int msm_ssphy_qmp_init(struct usb_phy *uphy)
dev_err(uphy->dev, "USB3_PHY_PCS_STATUS:%x\n",
readl_relaxed(phy->base +
phy->phy_reg[USB3_PHY_PCS_STATUS]));
return -EBUSY;
ret = -EBUSY;
goto fail;
}
return ret;
fail:
phy->in_suspend = true;
writel_relaxed(0x00,
phy->base + phy->phy_reg[USB3_PHY_POWER_DOWN_CONTROL]);
msm_ssphy_qmp_enable_clks(phy, false);
msm_ssusb_qmp_ldo_enable(phy, 0);
return ret;
}