fix warning

sakumisu · sakumisu · commit 9d29fece5160 · 2025-06-14T21:44:54.000+08:00
Signed-off-by: sakumisu &lt;1203593632@qq.com&gt;
diff --git a/port/dwc2/usb_hc_dwc2.c b/port/dwc2/usb_hc_dwc2.c
@@ -273,8 +273,6 @@ static inline void dwc2_chan_splt_init(struct usbh_bus *bus, uint8_t ch_num)
 
 static void dwc2_chan_init(struct usbh_bus *bus, uint8_t ch_num, uint8_t devaddr, uint8_t ep_addr, uint8_t ep_type, uint16_t ep_mps, uint8_t speed)
 {
-    uint32_t regval;
-
     /* Clear old interrupt conditions for this host channel. */
     USB_OTG_HC((uint32_t)ch_num)->HCINT = 0xFFFFFFFFU;
 
@@ -1306,6 +1304,8 @@ static void dwc2_port_irq_handler(struct usbh_bus *bus)
 {
     __IO uint32_t hprt0, hprt0_dup, regval;
 
+    (void)regval;
+
     /* Handle Host Port Interrupts */
     hprt0 = USB_OTG_HPRT;
     hprt0_dup = USB_OTG_HPRT;

Original file line number	Diff line number	Diff line change
`@@ -273,8 +273,6 @@ static inline void dwc2_chan_splt_init(struct usbh_bus *bus, uint8_t ch_num)`
`273`	`273`
`274`	`274`	`static void dwc2_chan_init(struct usbh_bus *bus, uint8_t ch_num, uint8_t devaddr, uint8_t ep_addr, uint8_t ep_type, uint16_t ep_mps, uint8_t speed)`
`275`	`275`	`{`
`276`		`- uint32_t regval;`
`277`		`-`
`278`	`276`	`/* Clear old interrupt conditions for this host channel. */`
`279`	`277`	`USB_OTG_HC((uint32_t)ch_num)->HCINT = 0xFFFFFFFFU;`
`280`	`278`
`@@ -1306,6 +1304,8 @@ static void dwc2_port_irq_handler(struct usbh_bus *bus)`
`1306`	`1304`	`{`
`1307`	`1305`	`__IO uint32_t hprt0, hprt0_dup, regval;`
`1308`	`1306`
	`1307`	`+ (void)regval;`
	`1308`	`+`
`1309`	`1309`	`/* Handle Host Port Interrupts */`
`1310`	`1310`	`hprt0 = USB_OTG_HPRT;`
`1311`	`1311`	`hprt0_dup = USB_OTG_HPRT;`