A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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usb: phy: snps: Return error if driver fails to enable power

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Currently driver is not returning any error from the error
handling path if driver fails to enable power for PHY.
This patch adds a check and returns error if the driver
actually fails to set_voltage or fails to enable a particular
regulator.

Change-Id: I5427690602b6152151adee71c6388ce836ab90c6
Signed-off-by: Pratham Pratap <prathampratap@codeaurora.org>
This commit is contained in:
Pratham Pratap 2020-05-19 00:33:19 +05:30 • committed by Gerrit - the friendly Code Review server
commit 026280fcfa
1 changed files with 6 additions and 0 deletions
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6
drivers/usb/phy/phy-msm-snps-hs.c
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@ -275,6 +275,12 @@ put_vdd_lpm:
ret = regulator_set_load(phy->vdd, 0);
if (ret < 0)
dev_err(phy->phy.dev, "Unable to set LPM of vdd\n");
/* Return from here based on power_enabled. If it is not set
* then return -EINVAL since either set_voltage or
* regulator_enable failed
*/
if (!phy->power_enabled)
return -EINVAL;
err_vdd:
phy->power_enabled = false;
dev_dbg(phy->phy.dev, "HSUSB PHY's regulators are turned OFF.\n");