Messages in this thread | | | Date | Wed, 23 Aug 2023 10:53:47 +0100 | Subject | Re: [PATCH] usb: typec: qcom: check regulator enable status before disabling it | From | Bryan O'Donoghue <> |
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On 23/08/2023 10:15, Hui Liu via B4 Relay wrote: > From: Hui Liu <quic_huliu@quicinc.com> > > Check regulator enable status before disabling it to avoid > unbalanced regulator disable warnings. > > Signed-off-by: Hui Liu <quic_huliu@quicinc.com> > --- > drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.c b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.c > index bb0b8479d80f..ca616b17b5b6 100644 > --- a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.c > +++ b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.c > @@ -422,7 +422,8 @@ static int qcom_pmic_typec_pdphy_disable(struct pmic_typec_pdphy *pmic_typec_pdp > ret = regmap_write(pmic_typec_pdphy->regmap, > pmic_typec_pdphy->base + USB_PDPHY_EN_CONTROL_REG, 0); > > - regulator_disable(pmic_typec_pdphy->vdd_pdphy); > + if (regulator_is_enabled(pmic_typec_pdphy->vdd_pdphy)) > + regulator_disable(pmic_typec_pdphy->vdd_pdphy); > > return ret; > } > > --- > base-commit: bbb9e06d2c6435af9c62074ad7048910eeb2e7bc > change-id: 20230822-qcom-tcpc-d41954ac65fa > > Best regards,
Is this a fix for a real bug you've seen or a hypothetical use-case fix ?
--- bod
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