Merge "clk: qcom: gdsc-regulator: Poll PWR_ON during GDSC HW to SW mode switch" (b07ac447) · Commits · e / devices / android_kernel_oneplus_sm7250

drivers/clk/qcom/gdsc-regulator.c

+13 −0

Original line number	Diff line number	Diff line
		@@ -577,6 +577,19 @@ static int gdsc_set_mode(struct regulator_dev *rdev, unsigned int mode)
		*/
		gdsc_mb(sc);
		udelay(1);

		/*
		* While switching from HW to SW mode, HW may be busy
		* updating internal required signals. Polling for PWR_ON
		* ensures that the GDSC switches to SW mode before software
		* starts to use SW mode.
		*/
		if (sc->is_gdsc_enabled) {
		ret = poll_gdsc_status(sc, ENABLED);
		if (ret)
		dev_err(&rdev->dev, "%s enable timed out\n",
		sc->rdesc.name);
		}
		break;
		default:
		ret = -EINVAL;