mt76usb: remove usb_mcu.c

Don't need separate file just for kmalloc/kfree.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/Makefile

@@ -7,7 +7,7 @@ mt76-y := \
 	mmio.o util.o trace.o dma.o mac80211.o debugfs.o eeprom.o \
 	tx.o agg-rx.o mcu.o
 
-mt76-usb-y := usb.o usb_trace.o usb_mcu.o
+mt76-usb-y := usb.o usb_trace.o
 
 CFLAGS_trace.o := -I$(src)
 CFLAGS_usb_trace.o := -I$(src)

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

@@ -771,7 +771,5 @@ struct sk_buff *mt76_mcu_get_response(struct mt76_dev *dev,
 				      unsigned long expires);
 
 void mt76u_mcu_complete_urb(struct urb *urb);
-int mt76u_mcu_init_rx(struct mt76_dev *dev);
-void mt76u_mcu_deinit(struct mt76_dev *dev);
 
 #endif

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

@@ -79,7 +79,6 @@ static void mt76x0u_cleanup(struct mt76x02_dev *dev)
 	clear_bit(MT76_STATE_INITIALIZED, &dev->mt76.state);
 	mt76x0_chip_onoff(dev, false, false);
 	mt76u_queues_deinit(&dev->mt76);
-	mt76u_mcu_deinit(&dev->mt76);
 }
 
 static void mt76x0u_mac_stop(struct mt76x02_dev *dev)
@@ -193,10 +192,6 @@ static int mt76x0u_register_device(struct mt76x02_dev *dev)
 	if (err < 0)
 		goto out_err;
 
-	err = mt76u_mcu_init_rx(&dev->mt76);
-	if (err < 0)
-		goto out_err;
-
 	err = mt76x0u_init_hardware(dev);
 	if (err < 0)
 		goto out_err;

drivers/net/wireless/mediatek/mt76/mt76x2/usb_init.c

@@ -214,10 +214,6 @@ int mt76x2u_register_device(struct mt76x02_dev *dev)
 	if (err < 0)
 		goto fail;
 
-	err = mt76u_mcu_init_rx(&dev->mt76);
-	if (err < 0)
-		goto fail;
-
 	err = mt76x2u_init_hardware(dev);
 	if (err < 0)
 		goto fail;
@@ -259,5 +255,4 @@ void mt76x2u_cleanup(struct mt76x02_dev *dev)
 	mt76x02_mcu_set_radio_state(dev, false);
 	mt76x2u_stop_hw(dev);
 	mt76u_queues_deinit(&dev->mt76);
-	mt76u_mcu_deinit(&dev->mt76);
 }

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

@@ -577,9 +577,14 @@ EXPORT_SYMBOL_GPL(mt76u_submit_rx_buffers);
 
 static int mt76u_alloc_rx(struct mt76_dev *dev)
 {
+	struct mt76_usb *usb = &dev->usb;
 	struct mt76_queue *q = &dev->q_rx[MT_RXQ_MAIN];
 	int i, err;
 
+	usb->mcu.data = devm_kmalloc(dev->dev, MCU_RESP_URB_SIZE, GFP_KERNEL);
+	if (!usb->mcu.data)
+		return -ENOMEM;
+
 	spin_lock_init(&q->rx_page_lock);
 	spin_lock_init(&q->lock);
 	q->entry = devm_kcalloc(dev->dev,

drivers/net/wireless/mediatek/mt76/usb_mcu.c

-/*
- * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include "mt76.h"
-
-int mt76u_mcu_init_rx(struct mt76_dev *dev)
-{
-	struct mt76_usb *usb = &dev->usb;
-
-	usb->mcu.data = kmalloc(MCU_RESP_URB_SIZE, GFP_KERNEL);
-	return usb->mcu.data ? 0 : -ENOMEM;
-}
-EXPORT_SYMBOL_GPL(mt76u_mcu_init_rx);
-
-void mt76u_mcu_deinit(struct mt76_dev *dev)
-{
-	struct mt76_usb *usb = &dev->usb;
-
-	kfree(usb->mcu.data);
-}
-EXPORT_SYMBOL_GPL(mt76u_mcu_deinit);