From fc9afb54057fefef8df70e43714965e254d8703b Mon Sep 17 00:00:00 2001
From: sakimisu <1203593632@qq.com>
Date: Sun, 11 Dec 2022 20:28:03 +0800
Subject: [PATCH] fix warning

---
 port/musb/usb_hc_musb.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/port/musb/usb_hc_musb.c b/port/musb/usb_hc_musb.c
index 6f320953..3e265c78 100644
--- a/port/musb/usb_hc_musb.c
+++ b/port/musb/usb_hc_musb.c
@@ -367,7 +367,7 @@ static int usbh_reset_port(const uint8_t port)
 
 static uint8_t usbh_get_port_speed(const uint8_t port)
 {
-    uint8_t speed;
+    uint8_t speed = USB_SPEED_UNKNOWN;
 
     if (HWREGB(USB_BASE + MUSB_POWER_OFFSET) & USB_POWER_HSMODE)
         speed = USB_SPEED_HIGH;
@@ -436,7 +436,6 @@ int usb_hc_init(void)
 
 int usbh_roothub_control(struct usb_setup_packet *setup, uint8_t *buf)
 {
-    __IO uint32_t hprt0;
     uint8_t nports;
     uint8_t port;
     uint32_t status;