diff --git a/common/usb_dc.h b/common/usb_dc.h
index ca6c10ee..a10869aa 100644
--- a/common/usb_dc.h
+++ b/common/usb_dc.h
@@ -36,11 +36,11 @@ int usbd_set_address(uint8_t busid, const uint8_t addr);
 /**
  * @brief Get USB device speed
  *
- * @param[in] port port index
+ * @param[in] busid bus index
  *
  * @return port speed, USB_SPEED_LOW or USB_SPEED_FULL or USB_SPEED_HIGH
  */
-uint8_t usbd_get_port_speed(uint8_t busid, const uint8_t port);
+uint8_t usbd_get_port_speed(uint8_t busid);
 
 /**
  * @brief configure and enable endpoint.
diff --git a/port/bouffalolab/usb_dc_bl.c b/port/bouffalolab/usb_dc_bl.c
index 39d4e377..6f45329c 100644
--- a/port/bouffalolab/usb_dc_bl.c
+++ b/port/bouffalolab/usb_dc_bl.c
@@ -613,7 +613,7 @@ int usbd_set_address(uint8_t busid, const uint8_t addr)
     return 0;
 }
 
-uint8_t usbd_get_port_speed(uint8_t busid, const uint8_t port)
+uint8_t usbd_get_port_speed(uint8_t busid)
 {
     uint8_t speed = 3;
 
diff --git a/port/ch32/usb_ch58x_dc_usbfs.c b/port/ch32/usb_ch58x_dc_usbfs.c
index da15baa2..756aced7 100644
--- a/port/ch32/usb_ch58x_dc_usbfs.c
+++ b/port/ch32/usb_ch58x_dc_usbfs.c
@@ -223,7 +223,7 @@ int usbd_set_address(uint8_t busid, const uint8_t address)
     return 0;
 }
 
-uint8_t usbd_get_port_speed(uint8_t busid, const uint8_t port)
+uint8_t usbd_get_port_speed(uint8_t busid)
 {
     return USB_SPEED_FULL;
 }
diff --git a/port/ch32/usb_dc_usbfs.c b/port/ch32/usb_dc_usbfs.c
index d92fa720..4b4b72d4 100644
--- a/port/ch32/usb_dc_usbfs.c
+++ b/port/ch32/usb_dc_usbfs.c
@@ -101,7 +101,7 @@ int usbd_set_address(uint8_t busid, const uint8_t addr)
     return 0;
 }
 
-uint8_t usbd_get_port_speed(uint8_t busid, const uint8_t port)
+uint8_t usbd_get_port_speed(uint8_t busid)
 {
     return USB_SPEED_FULL;
 }
diff --git a/port/ch32/usb_dc_usbhs.c b/port/ch32/usb_dc_usbhs.c
index 52ca6144..758ffd77 100644
--- a/port/ch32/usb_dc_usbhs.c
+++ b/port/ch32/usb_dc_usbhs.c
@@ -101,7 +101,7 @@ int usbd_set_address(uint8_t busid, const uint8_t addr)
     return 0;
 }
 
-uint8_t usbd_get_port_speed(uint8_t busid, const uint8_t port)
+uint8_t usbd_get_port_speed(uint8_t busid)
 {
     return USB_SPEED_HIGH;
 }
diff --git a/port/dwc2/usb_dc_dwc2.c b/port/dwc2/usb_dc_dwc2.c
index e789924a..b73e3031 100644
--- a/port/dwc2/usb_dc_dwc2.c
+++ b/port/dwc2/usb_dc_dwc2.c
@@ -671,7 +671,7 @@ int usbd_set_address(uint8_t busid, const uint8_t addr)
     return 0;
 }
 
-uint8_t usbd_get_port_speed(uint8_t busid, const uint8_t port)
+uint8_t usbd_get_port_speed(uint8_t busid)
 {
     uint8_t speed;
     uint32_t DevEnumSpeed = USB_OTG_DEV->DSTS & USB_OTG_DSTS_ENUMSPD;
@@ -720,7 +720,7 @@ int usbd_ep_open(uint8_t busid, const struct usb_endpoint_descriptor *ep)
             USB_LOG_ERR("Ep addr %02x fifo overflow\r\n", ep->bEndpointAddress);
             return -2;
         }
-        
+
         g_dwc2_udc.in_ep[ep_idx].ep_mps = USB_GET_MAXPACKETSIZE(ep->wMaxPacketSize);
         g_dwc2_udc.in_ep[ep_idx].ep_type = USB_GET_ENDPOINT_TYPE(ep->bmAttributes);
 
diff --git a/port/fsdev/usb_dc_fsdev.c b/port/fsdev/usb_dc_fsdev.c
index d6c73955..b3bfb5c4 100644
--- a/port/fsdev/usb_dc_fsdev.c
+++ b/port/fsdev/usb_dc_fsdev.c
@@ -117,7 +117,7 @@ int usbd_set_address(uint8_t busid, const uint8_t addr)
     return 0;
 }
 
-uint8_t usbd_get_port_speed(uint8_t busid, const uint8_t port)
+uint8_t usbd_get_port_speed(uint8_t busid)
 {
     return USB_SPEED_FULL;
 }
diff --git a/port/hpm/usb_dc_hpm.c b/port/hpm/usb_dc_hpm.c
index 36e28e3e..2c13d6c6 100644
--- a/port/hpm/usb_dc_hpm.c
+++ b/port/hpm/usb_dc_hpm.c
@@ -128,7 +128,7 @@ int usbd_set_address(uint8_t busid, const uint8_t addr)
     return 0;
 }
 
-uint8_t usbd_get_port_speed(uint8_t busid, const uint8_t port)
+uint8_t usbd_get_port_speed(uint8_t busid)
 {
     (void)port;
     uint8_t speed;
diff --git a/port/musb/usb_dc_musb.c b/port/musb/usb_dc_musb.c
index f8c0d9c3..4bcc7eee 100644
--- a/port/musb/usb_dc_musb.c
+++ b/port/musb/usb_dc_musb.c
@@ -252,7 +252,7 @@ int usbd_set_address(uint8_t busid, const uint8_t addr)
     return 0;
 }
 
-uint8_t usbd_get_port_speed(uint8_t busid, const uint8_t port)
+uint8_t usbd_get_port_speed(uint8_t busid)
 {
     uint8_t speed = USB_SPEED_UNKNOWN;
 
diff --git a/port/nuvoton/usb_dc_usbfs.c b/port/nuvoton/usb_dc_usbfs.c
index 45960f1a..affa5fae 100644
--- a/port/nuvoton/usb_dc_usbfs.c
+++ b/port/nuvoton/usb_dc_usbfs.c
@@ -165,7 +165,7 @@ int usbd_set_address(uint8_t busid, const uint8_t addr)
     return 0;
 }
 
-uint8_t usbd_get_port_speed(uint8_t busid, const uint8_t port)
+uint8_t usbd_get_port_speed(uint8_t busid)
 {
     return USB_SPEED_FULL;
 }