[PATCH v2 1/5] usb: dwc3: Add a check for the DWC_usb3 core

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Add a helper function to check if we are running on a DWC_usb3 core.

Signed-off-by: John Youn <johnyoun@xxxxxxxxxxxx>
---
 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 2322863..c22b38b 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -1149,6 +1149,12 @@ struct dwc3_gadget_ep_cmd_params {
 void dwc3_set_mode(struct dwc3 *dwc, u32 mode);
 u32 dwc3_core_fifo_space(struct dwc3_ep *dep, u8 type);
 
+/* check whether we are on the DWC_usb3 core */
+static inline bool dwc3_is_usb3(struct dwc3 *dwc)
+{
+	return !(dwc->revision & DWC3_REVISION_IS_DWC31);
+}
+
 /* check whether we are on the DWC_usb31 core */
 static inline bool dwc3_is_usb31(struct dwc3 *dwc)
 {
-- 
2.10.0

--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux