[PATCH 0/2] usb: udc: indroduce more api for lower gadget driver

From: Linyu Yuan
Date: Sat Jun 19 2021 - 11:17:11 EST


introdue following udc apis which will forbid lower gadget driver
operate upper layer usb gadget driver directly.

void usb_gadget_udc_disconnect(struct usb_gadget *);
void usb_gadget_udc_suspend(struct usb_gadget *);
void usb_gadget_udc_resume(struct usb_gadget *);
int usb_gadget_udc_setup(struct usb_gadget *,
const struct usb_ctrlrequest *);

dwc3 is first driver to use these apis.

Linyu Yuan (2):
usb: udc: core: hide struct usb_gadget_driver to gadget driver
usb: dwc3: fix race of usb_gadget_driver operation

drivers/usb/dwc3/core.h | 2 --
drivers/usb/dwc3/ep0.c | 6 +---
drivers/usb/dwc3/gadget.c | 53 +++++++++--------------------------
drivers/usb/gadget/udc/core.c | 47 ++++++++++++++++++++++++++++++-
include/linux/usb/gadget.h | 6 ++++
5 files changed, 66 insertions(+), 48 deletions(-)

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2.25.1