usb: gadget: bdc: fix warning of embedded function name

Use '"%s...", __func__' to replace embedded function name

Cc: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/1610505748-30616-4-git-send-email-chunfeng.yun@mediatek.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/gadget/udc/bdc/bdc_dbg.c

@@ -68,7 +68,7 @@ void bdc_dbg_srr(struct bdc *bdc, u32 srr_num)
 
 	sr = bdc->srr.sr_bds;
 	addr = bdc->srr.dma_addr;
-	dev_vdbg(bdc->dev, "bdc_dbg_srr sr:%p dqp_index:%d\n",
+	dev_vdbg(bdc->dev, "%s sr:%p dqp_index:%d\n", __func__,
 						sr, bdc->srr.dqp_index);
 	for (i = 0; i < NUM_SR_ENTRIES; i++) {
 		sr = &bdc->srr.sr_bds[i];

drivers/usb/gadget/udc/bdc/bdc_ep.c

@@ -756,7 +756,7 @@ static int ep_dequeue(struct bdc_ep *ep, struct bdc_req *req)
 
 	dev_dbg(bdc->dev, "%s ep:%s start:%d end:%d\n",
 					__func__, ep->name, start_bdi, end_bdi);
-	dev_dbg(bdc->dev, "ep_dequeue ep=%p ep->desc=%p\n",
+	dev_dbg(bdc->dev, "%s ep=%p ep->desc=%p\n", __func__,
 						ep, (void *)ep->usb_ep.desc);
 	/* if still connected, stop the ep to see where the HW is ? */
 	if (!(bdc_readl(bdc->regs, BDC_USPC) & BDC_PST_MASK)) {
@@ -1858,12 +1858,12 @@ static int bdc_gadget_ep_enable(struct usb_ep *_ep,
 	int ret;
 
 	if (!_ep || !desc || desc->bDescriptorType != USB_DT_ENDPOINT) {
-		pr_debug("bdc_gadget_ep_enable invalid parameters\n");
+		pr_debug("%s invalid parameters\n", __func__);
 		return -EINVAL;
 	}
 
 	if (!desc->wMaxPacketSize) {
-		pr_debug("bdc_gadget_ep_enable missing wMaxPacketSize\n");
+		pr_debug("%s missing wMaxPacketSize\n", __func__);
 		return -EINVAL;
 	}