From:   Neil Armstrong <neil.armstrong@linaro.org>
Date:   Mon, 23 Jan 2023 10:01:25 +0100
Subject: [PATCH] usb: dwc3: qcom: enable vbus override when in OTG dr-mode
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Message-Id: <20230123-topic-sm8550-upstream-dwc3-qcom-otg-v1-1-e287a418aa5f@linaro.org>
To:     Andy Gross <agross@kernel.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Konrad Dybcio <konrad.dybcio@linaro.org>,
        Thinh Nguyen <Thinh.Nguyen@synopsys.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc:     Bryan O'Donoghue <bryan.odonoghue@linaro.org>,
        linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org,
        linux-kernel@vger.kernel.org,
        Neil Armstrong <neil.armstrong@linaro.org>
Precedence: bulk

With vbus override enabled when in OTG dr_mode, Host<->Peripheral
switch now works on SM8550, otherwise the DWC3 seems to be stuck
in Host mode only.

Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
---
 drivers/usb/dwc3/dwc3-qcom.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c
index b0a0351d2d8b..959fc925ca7c 100644
--- a/drivers/usb/dwc3/dwc3-qcom.c
+++ b/drivers/usb/dwc3/dwc3-qcom.c
@@ -901,7 +901,7 @@ static int dwc3_qcom_probe(struct platform_device *pdev)
 	qcom->mode = usb_get_dr_mode(&qcom->dwc3->dev);
 
 	/* enable vbus override for device mode */
-	if (qcom->mode == USB_DR_MODE_PERIPHERAL)
+	if (qcom->mode != USB_DR_MODE_HOST)
 		dwc3_qcom_vbus_override_enable(qcom, true);
 
 	/* register extcon to override sw_vbus on Vbus change later */

---
base-commit: 1b929c02afd37871d5afb9d498426f83432e71c2
change-id: 20230123-topic-sm8550-upstream-dwc3-qcom-otg-81795ea148db

Best regards,
-- 
Neil Armstrong <neil.armstrong@linaro.org>