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

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Date:   Sat, 19 Jun 2021 23:16:33 +0800
From:   Linyu Yuan <linyyuan@...eaurora.org>
To:     Felipe Balbi <balbi@...nel.org>,
        Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jack Pham <jackp@...eaurora.org>,
        Linyu Yuan <linyyuan@...eaurora.org>
Subject: [PATCH 0/2] usb: udc: indroduce more api for lower gadget driver

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(-)

-- 
2.25.1