Add a convenience function to check if the controller is DWC_usb31.
Signed-off-by: John Youn <johny...@synopsys.com>
---
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 2913068..15281c1 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -1025,6 +1025,12 @@ 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);
--
2.6.3
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