diff options
| author | Xu Yang <xu.yang_2@nxp.com> | 2026-01-08 16:14:31 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-01-14 15:58:31 +0100 |
| commit | e02264af6b49d21bbc2223b19c2ddfd2ae8260a6 (patch) | |
| tree | 5b28dea9625ee6b6a9c1d6208f25533afdc3f6fb | |
| parent | 0145e7acd29855dfba4a2f387d455b5d9a520f0e (diff) | |
usb: dwc3: drd: extend dwc3_pre_set_role() to extcon and otg usecase
Call dwc3_pre_set_role() to support both extcon and otg usecase, so that
the glue driver can do proper action in case of role changes.
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
Link: https://patch.msgid.link/20260108081433.2119328-1-xu.yang_2@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/dwc3/drd.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/usb/dwc3/drd.c b/drivers/usb/dwc3/drd.c index 589bbeb27454..031cfd12300a 100644 --- a/drivers/usb/dwc3/drd.c +++ b/drivers/usb/dwc3/drd.c @@ -381,6 +381,7 @@ void dwc3_otg_update(struct dwc3 *dwc, bool ignore_idstatus) dwc3_otgregs_init(dwc); dwc3_otg_host_init(dwc); spin_unlock_irqrestore(&dwc->lock, flags); + dwc3_pre_set_role(dwc, USB_ROLE_HOST); ret = dwc3_host_init(dwc); if (ret) { dev_err(dwc->dev, "failed to initialize host\n"); @@ -406,6 +407,7 @@ void dwc3_otg_update(struct dwc3 *dwc, bool ignore_idstatus) otg_set_vbus(dwc->usb2_phy->otg, false); if (dwc->usb2_generic_phy[0]) phy_set_mode(dwc->usb2_generic_phy[0], PHY_MODE_USB_DEVICE); + dwc3_pre_set_role(dwc, USB_ROLE_DEVICE); ret = dwc3_gadget_init(dwc); if (ret) dev_err(dwc->dev, "failed to initialize peripheral\n"); @@ -433,10 +435,12 @@ static int dwc3_drd_notifier(struct notifier_block *nb, unsigned long event, void *ptr) { struct dwc3 *dwc = container_of(nb, struct dwc3, edev_nb); + u32 mode = event ? DWC3_GCTL_PRTCAP_HOST : DWC3_GCTL_PRTCAP_DEVICE; + enum usb_role role = mode == DWC3_GCTL_PRTCAP_HOST ? + USB_ROLE_HOST : USB_ROLE_DEVICE; - dwc3_set_mode(dwc, event ? - DWC3_GCTL_PRTCAP_HOST : - DWC3_GCTL_PRTCAP_DEVICE); + dwc3_pre_set_role(dwc, role); + dwc3_set_mode(dwc, mode); return NOTIFY_DONE; } |