Blob Blame History Raw
From eb320f76e31dc835b9f57f04af1a2353b13bb7d8 Mon Sep 17 00:00:00 2001
From: Neil Armstrong <neil.armstrong@linaro.org>
Date: Tue, 24 Jan 2023 09:31:21 +0100
Subject: [PATCH] usb: dwc3: qcom: enable vbus override when in OTG dr-mode
Git-commit: eb320f76e31dc835b9f57f04af1a2353b13bb7d8
Patch-mainline: v6.2-rc7
References: git-fixes

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.

Fixes: a4333c3a6ba9 ("usb: dwc3: Add Qualcomm DWC3 glue driver")
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20230123-topic-sm8550-upstream-dwc3-qcom-otg-v2-1-2d400e598463@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 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 */
-- 
2.35.3