mt76x0: remove mt76x0_vendor_request routine

Remove mt76x0_vendor_request routine and use
mt76u_vendor_request utility function from mt76-usb
layer in mt76x0_upload_firmware
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/mediatek/mt76/mt76x0/mcu.c

@@ -488,8 +488,9 @@ mt76x0_upload_firmware(struct mt76x0_dev *dev, const struct mt76_fw *fw)
 	if (ret)
 		goto error;
 
-	ret = mt76x0_vendor_request(dev, MT_VEND_DEV_MODE, USB_DIR_OUT,
-				     0x12, 0, ivb, sizeof(fw->ivb));
+	ret = mt76u_vendor_request(&dev->mt76, MT_VEND_DEV_MODE,
+				   USB_DIR_OUT | USB_TYPE_VENDOR,
+				   0x12, 0, ivb, sizeof(fw->ivb));
 	if (ret < 0)
 		goto error;
 	ret = 0;

drivers/net/wireless/mediatek/mt76/mt76x0/usb.c

@@ -93,37 +93,6 @@ int mt76x0_usb_submit_buf(struct mt76x0_dev *dev, int dir, int ep_idx,
 	return ret;
 }
 
-int mt76x0_vendor_request(struct mt76x0_dev *dev, const u8 req,
-			   const u8 direction, const u16 val, const u16 offset,
-			   void *buf, const size_t buflen)
-{
-	int i, ret;
-	struct usb_device *usb_dev = mt76x0_to_usb_dev(dev);
-	const u8 req_type = direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE;
-	const unsigned int pipe = (direction == USB_DIR_IN) ?
-		usb_rcvctrlpipe(usb_dev, 0) : usb_sndctrlpipe(usb_dev, 0);
-
-	for (i = 0; i < MT_VEND_REQ_MAX_RETRY; i++) {
-		ret = usb_control_msg(usb_dev, pipe, req, req_type,
-				      val, offset, buf, buflen,
-				      MT_VEND_REQ_TOUT_MS);
-		trace_mt76x0_vend_req(&dev->mt76, pipe, req, req_type, val, offset,
-				  buf, buflen, ret);
-
-		if (ret == -ENODEV)
-			set_bit(MT76_REMOVED, &dev->mt76.state);
-		if (ret >= 0 || ret == -ENODEV)
-			return ret;
-
-		msleep(5);
-	}
-
-	dev_err(dev->mt76.dev, "Vendor request req:%02x off:%04x failed:%d\n",
-		req, offset, ret);
-
-	return ret;
-}
-
 void mt76x0_addr_wr(struct mt76x0_dev *dev, const u32 offset, const u8 *addr)
 {
 	mt76_wr(dev, offset, get_unaligned_le32(addr));

drivers/net/wireless/mediatek/mt76/mt76x0/usb.h

@@ -50,8 +50,4 @@ int mt76x0_usb_submit_buf(struct mt76x0_dev *dev, int dir, int ep_idx,
 			   struct mt76x0_dma_buf *buf, gfp_t gfp,
 			   usb_complete_t complete_fn, void *context);
 
-int mt76x0_vendor_request(struct mt76x0_dev *dev, const u8 req,
-			   const u8 direction, const u16 val, const u16 offset,
-			   void *buf, const size_t buflen);
-
 #endif