wifi: mt76: mt7921: move mt7921_dma_init in pci.c

Move mt7921_dma_init routine in pci.c and make it static since it is run
just in mt7921_pci_probe(). Get rid of dma.c.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt7921/Makefile

@@ -7,6 +7,6 @@ obj-$(CONFIG_MT7921U) += mt7921u.o
 
 mt7921-common-y := mac.o mcu.o main.o init.o debugfs.o
 mt7921-common-$(CONFIG_NL80211_TESTMODE) += testmode.o
-mt7921e-y := pci.o pci_mac.o pci_mcu.o dma.o
+mt7921e-y := pci.o pci_mac.o pci_mcu.o
 mt7921s-y := sdio.o sdio_mac.o sdio_mcu.o
 mt7921u-y := usb.o

drivers/net/wireless/mediatek/mt76/mt7921/dma.c

-// SPDX-License-Identifier: ISC
-/* Copyright (C) 2020 MediaTek Inc. */
-
-#include "mt7921.h"
-#include "../dma.h"
-#include "../mt76_connac2_mac.h"
-
-int mt7921_dma_init(struct mt792x_dev *dev)
-{
-	int ret;
-
-	mt76_dma_attach(&dev->mt76);
-
-	ret = mt792x_dma_disable(dev, true);
-	if (ret)
-		return ret;
-
-	/* init tx queue */
-	ret = mt76_connac_init_tx_queues(dev->phy.mt76, MT7921_TXQ_BAND0,
-					 MT7921_TX_RING_SIZE,
-					 MT_TX_RING_BASE, 0);
-	if (ret)
-		return ret;
-
-	mt76_wr(dev, MT_WFDMA0_TX_RING0_EXT_CTRL, 0x4);
-
-	/* command to WM */
-	ret = mt76_init_mcu_queue(&dev->mt76, MT_MCUQ_WM, MT7921_TXQ_MCU_WM,
-				  MT7921_TX_MCU_RING_SIZE, MT_TX_RING_BASE);
-	if (ret)
-		return ret;
-
-	/* firmware download */
-	ret = mt76_init_mcu_queue(&dev->mt76, MT_MCUQ_FWDL, MT7921_TXQ_FWDL,
-				  MT7921_TX_FWDL_RING_SIZE, MT_TX_RING_BASE);
-	if (ret)
-		return ret;
-
-	/* event from WM before firmware download */
-	ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MCU],
-			       MT7921_RXQ_MCU_WM,
-			       MT7921_RX_MCU_RING_SIZE,
-			       MT_RX_BUF_SIZE, MT_RX_EVENT_RING_BASE);
-	if (ret)
-		return ret;
-
-	/* Change mcu queue after firmware download */
-	ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MCU_WA],
-			       MT7921_RXQ_MCU_WM,
-			       MT7921_RX_MCU_RING_SIZE,
-			       MT_RX_BUF_SIZE, MT_WFDMA0(0x540));
-	if (ret)
-		return ret;
-
-	/* rx data */
-	ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MAIN],
-			       MT7921_RXQ_BAND0, MT7921_RX_RING_SIZE,
-			       MT_RX_BUF_SIZE, MT_RX_DATA_RING_BASE);
-	if (ret)
-		return ret;
-
-	ret = mt76_init_queues(dev, mt792x_poll_rx);
-	if (ret < 0)
-		return ret;
-
-	netif_napi_add_tx(&dev->mt76.tx_napi_dev, &dev->mt76.tx_napi,
-			  mt792x_poll_tx);
-	napi_enable(&dev->mt76.tx_napi);
-
-	return mt792x_dma_enable(dev);
-}

drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h

@@ -182,7 +182,6 @@ u32 mt7921_reg_map(struct mt792x_dev *dev, u32 addr);
 int __mt7921_start(struct mt792x_phy *phy);
 int mt7921_register_device(struct mt792x_dev *dev);
 void mt7921_unregister_device(struct mt792x_dev *dev);
-int mt7921_dma_init(struct mt792x_dev *dev);
 int mt7921_run_firmware(struct mt792x_dev *dev);
 int mt7921_mcu_set_bss_pm(struct mt792x_dev *dev, struct ieee80211_vif *vif,
 			  bool enable);

drivers/net/wireless/mediatek/mt76/mt7921/pci.c

@@ -9,6 +9,7 @@
 
 #include "mt7921.h"
 #include "../mt76_connac2_mac.h"
+#include "../dma.h"
 #include "mcu.h"
 
 static const struct pci_device_id mt7921_pci_device_table[] = {
@@ -155,6 +156,71 @@ static u32 mt7921_rmw(struct mt76_dev *mdev, u32 offset, u32 mask, u32 val)
 	return dev->bus_ops->rmw(mdev, addr, mask, val);
 }
 
+static int mt7921_dma_init(struct mt792x_dev *dev)
+{
+	int ret;
+
+	mt76_dma_attach(&dev->mt76);
+
+	ret = mt792x_dma_disable(dev, true);
+	if (ret)
+		return ret;
+
+	/* init tx queue */
+	ret = mt76_connac_init_tx_queues(dev->phy.mt76, MT7921_TXQ_BAND0,
+					 MT7921_TX_RING_SIZE,
+					 MT_TX_RING_BASE, 0);
+	if (ret)
+		return ret;
+
+	mt76_wr(dev, MT_WFDMA0_TX_RING0_EXT_CTRL, 0x4);
+
+	/* command to WM */
+	ret = mt76_init_mcu_queue(&dev->mt76, MT_MCUQ_WM, MT7921_TXQ_MCU_WM,
+				  MT7921_TX_MCU_RING_SIZE, MT_TX_RING_BASE);
+	if (ret)
+		return ret;
+
+	/* firmware download */
+	ret = mt76_init_mcu_queue(&dev->mt76, MT_MCUQ_FWDL, MT7921_TXQ_FWDL,
+				  MT7921_TX_FWDL_RING_SIZE, MT_TX_RING_BASE);
+	if (ret)
+		return ret;
+
+	/* event from WM before firmware download */
+	ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MCU],
+			       MT7921_RXQ_MCU_WM,
+			       MT7921_RX_MCU_RING_SIZE,
+			       MT_RX_BUF_SIZE, MT_RX_EVENT_RING_BASE);
+	if (ret)
+		return ret;
+
+	/* Change mcu queue after firmware download */
+	ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MCU_WA],
+			       MT7921_RXQ_MCU_WM,
+			       MT7921_RX_MCU_RING_SIZE,
+			       MT_RX_BUF_SIZE, MT_WFDMA0(0x540));
+	if (ret)
+		return ret;
+
+	/* rx data */
+	ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MAIN],
+			       MT7921_RXQ_BAND0, MT7921_RX_RING_SIZE,
+			       MT_RX_BUF_SIZE, MT_RX_DATA_RING_BASE);
+	if (ret)
+		return ret;
+
+	ret = mt76_init_queues(dev, mt792x_poll_rx);
+	if (ret < 0)
+		return ret;
+
+	netif_napi_add_tx(&dev->mt76.tx_napi_dev, &dev->mt76.tx_napi,
+			  mt792x_poll_tx);
+	napi_enable(&dev->mt76.tx_napi);
+
+	return mt792x_dma_enable(dev);
+}
+
 static int mt7921_pci_probe(struct pci_dev *pdev,
 			    const struct pci_device_id *id)
 {