From c4137a9c841ec7fb300782d211f2d6907f4d6e20 Mon Sep 17 00:00:00 2001 From: John Youn Date: Fri, 5 Feb 2016 17:08:18 -0800 Subject: [PATCH] usb: dwc3: DWC_usb31 controller check Add a convenience function to check if the controller is DWC_usb31. Signed-off-by: John Youn Signed-off-by: Felipe Balbi --- drivers/usb/dwc3/core.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index e4f8b90d9627..c0520d67c2c3 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -1024,6 +1024,12 @@ struct dwc3_gadget_ep_cmd_params { void dwc3_set_mode(struct dwc3 *dwc, u32 mode); int dwc3_gadget_resize_tx_fifos(struct dwc3 *dwc); +/* check whether we are on the DWC_usb31 core */ +static inline bool dwc3_is_usb31(struct dwc3 *dwc) +{ + return !!(dwc->revision & DWC3_REVISION_IS_DWC31); +} + #if IS_ENABLED(CONFIG_USB_DWC3_HOST) || IS_ENABLED(CONFIG_USB_DWC3_DUAL_ROLE) int dwc3_host_init(struct dwc3 *dwc); void dwc3_host_exit(struct dwc3 *dwc); -- 2.20.1