target/linux/ipq806x/patches-4.4/096-04-usb-dwc3-DWC_usb31-controller-check.patch

   1 From c4137a9c841ec7fb300782d211f2d6907f4d6e20 Mon Sep 17 00:00:00 2001
   2 From: John Youn <John.Youn@synopsys.com>
   3 Date: Fri, 5 Feb 2016 17:08:18 -0800
   4 Subject: usb: dwc3: DWC_usb31 controller check
   5
   6 Add a convenience function to check if the controller is DWC_usb31.
   7
   8 Signed-off-by: John Youn <johnyoun@synopsys.com>
   9 Signed-off-by: Felipe Balbi <balbi@kernel.org>
  10 ---
  11  drivers/usb/dwc3/core.h | 6 ++++++
  12  1 file changed, 6 insertions(+)
  13
  14 --- a/drivers/usb/dwc3/core.h
  15 +++ b/drivers/usb/dwc3/core.h
  16 @@ -1021,6 +1021,12 @@ struct dwc3_gadget_ep_cmd_params {
  17  void dwc3_set_mode(struct dwc3 *dwc, u32 mode);
  18  int dwc3_gadget_resize_tx_fifos(struct dwc3 *dwc);
  19
  20 +/* check whether we are on the DWC_usb31 core */
  21 +static inline bool dwc3_is_usb31(struct dwc3 *dwc)
  22 +{
  23 +       return !!(dwc->revision & DWC3_REVISION_IS_DWC31);
  24 +}
  25 +
  26  #if IS_ENABLED(CONFIG_USB_DWC3_HOST) || IS_ENABLED(CONFIG_USB_DWC3_DUAL_ROLE)
  27  int dwc3_host_init(struct dwc3 *dwc);
  28  void dwc3_host_exit(struct dwc3 *dwc);