From: Xu Yang Date: Sat, 14 Jun 2025 12:56:43 +0000 (+0800) Subject: usb: chipidea: udc: add CI_HDRC_CONTROLLER_PULLUP_EVENT event X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=78c76554c6b94dfa5e101b870f0c57b6c230503e;p=users%2Fwilly%2Fxarray.git usb: chipidea: udc: add CI_HDRC_CONTROLLER_PULLUP_EVENT event The device controller will send CI_HDRC_CONTROLLER_PULLUP_EVENT event when it's going to pullup or pulldown data line. Signed-off-by: Xu Yang Acked-by: Peter Chen Link: https://lore.kernel.org/r/20250614125645.207732-2-xu.yang_2@nxp.com Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index 8a9b31fd5c89..8ec9817d3311 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -1970,6 +1970,11 @@ static int ci_udc_pullup(struct usb_gadget *_gadget, int is_on) hw_write(ci, OP_USBCMD, USBCMD_RS, USBCMD_RS); else hw_write(ci, OP_USBCMD, USBCMD_RS, 0); + + if (ci->platdata->notify_event) { + _gadget->connected = is_on; + ci->platdata->notify_event(ci, CI_HDRC_CONTROLLER_PULLUP_EVENT); + } pm_runtime_put_sync(ci->dev); return 0; diff --git a/include/linux/usb/chipidea.h b/include/linux/usb/chipidea.h index ebdfef124b2b..e17ebeee24e3 100644 --- a/include/linux/usb/chipidea.h +++ b/include/linux/usb/chipidea.h @@ -72,6 +72,7 @@ struct ci_hdrc_platform_data { #define CI_HDRC_IMX_HSIC_ACTIVE_EVENT 2 #define CI_HDRC_IMX_HSIC_SUSPEND_EVENT 3 #define CI_HDRC_CONTROLLER_VBUS_EVENT 4 +#define CI_HDRC_CONTROLLER_PULLUP_EVENT 5 int (*notify_event) (struct ci_hdrc *ci, unsigned event); struct regulator *reg_vbus; struct usb_otg_caps ci_otg_caps;