From fc1a0913c1a2cadf21b63ba25e872f3bed9ca363 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 Change-Id: I2f9080a4a54269790e3594d0e61a76bd37d8b2c9 Git-commit: c4137a9c841ec7fb300782d211f2d6907f4d6e20 Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git Signed-off-by: Mayank Rana --- 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 f6e2bea7b9aa..842c504ece1b 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -1175,6 +1175,12 @@ 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);