1 files changed, 169 insertions, 117 deletions

diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/pci.c b/drivers/net/wireless/mediatek/mt76/mt7921/pci.c
index 95610a117d2f..ec9686183251 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/pci.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/pci.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: ISC
+// SPDX-License-Identifier: BSD-3-Clause-Clear
 /* Copyright (C) 2020 MediaTek Inc.
  *
  */
@@ -6,21 +6,26 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/pci.h>
+#include <linux/of.h>
 
 #include "mt7921.h"
 #include "../mt76_connac2_mac.h"
+#include "../dma.h"
 #include "mcu.h"
-#include "../trace.h"
 
 static const struct pci_device_id mt7921_pci_device_table[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x7961),
 		.driver_data = (kernel_ulong_t)MT7921_FIRMWARE_WM },
 	{ PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x7922),
 		.driver_data = (kernel_ulong_t)MT7922_FIRMWARE_WM },
+	{ PCI_DEVICE(PCI_VENDOR_ID_ITTIM, 0x7922),
+		.driver_data = (kernel_ulong_t)MT7922_FIRMWARE_WM },
 	{ PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x0608),
 		.driver_data = (kernel_ulong_t)MT7921_FIRMWARE_WM },
 	{ PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x0616),
 		.driver_data = (kernel_ulong_t)MT7922_FIRMWARE_WM },
+	{ PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x7920),
+		.driver_data = (kernel_ulong_t)MT7920_FIRMWARE_WM },
 	{ },
 };
 
@@ -28,84 +33,19 @@ static bool mt7921_disable_aspm;
 module_param_named(disable_aspm, mt7921_disable_aspm, bool, 0644);
 MODULE_PARM_DESC(disable_aspm, "disable PCI ASPM support");
 
-static void
-mt7921_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q)
+static int mt7921e_init_reset(struct mt792x_dev *dev)
 {
-	if (q == MT_RXQ_MAIN)
-		mt76_connac_irq_enable(mdev, MT_INT_RX_DONE_DATA);
-	else if (q == MT_RXQ_MCU_WA)
-		mt76_connac_irq_enable(mdev, MT_INT_RX_DONE_WM2);
-	else
-		mt76_connac_irq_enable(mdev, MT_INT_RX_DONE_WM);
-}
-
-static irqreturn_t mt7921_irq_handler(int irq, void *dev_instance)
-{
-	struct mt7921_dev *dev = dev_instance;
-
-	mt76_wr(dev, MT_WFDMA0_HOST_INT_ENA, 0);
-
-	if (!test_bit(MT76_STATE_INITIALIZED, &dev->mphy.state))
-		return IRQ_NONE;
-
-	tasklet_schedule(&dev->mt76.irq_tasklet);
-
-	return IRQ_HANDLED;
+	return mt792x_wpdma_reset(dev, true);
 }
 
-static void mt7921_irq_tasklet(unsigned long data)
-{
-	struct mt7921_dev *dev = (struct mt7921_dev *)data;
-	u32 intr, mask = 0;
-
-	mt76_wr(dev, MT_WFDMA0_HOST_INT_ENA, 0);
-
-	intr = mt76_rr(dev, MT_WFDMA0_HOST_INT_STA);
-	intr &= dev->mt76.mmio.irqmask;
-	mt76_wr(dev, MT_WFDMA0_HOST_INT_STA, intr);
-
-	trace_dev_irq(&dev->mt76, intr, dev->mt76.mmio.irqmask);
-
-	mask |= intr & MT_INT_RX_DONE_ALL;
-	if (intr & MT_INT_TX_DONE_MCU)
-		mask |= MT_INT_TX_DONE_MCU;
-
-	if (intr & MT_INT_MCU_CMD) {
-		u32 intr_sw;
-
-		intr_sw = mt76_rr(dev, MT_MCU_CMD);
-		/* ack MCU2HOST_SW_INT_STA */
-		mt76_wr(dev, MT_MCU_CMD, intr_sw);
-		if (intr_sw & MT_MCU_CMD_WAKE_RX_PCIE) {
-			mask |= MT_INT_RX_DONE_DATA;
-			intr |= MT_INT_RX_DONE_DATA;
-		}
-	}
-
-	mt76_set_irq_mask(&dev->mt76, MT_WFDMA0_HOST_INT_ENA, mask, 0);
-
-	if (intr & MT_INT_TX_DONE_ALL)
-		napi_schedule(&dev->mt76.tx_napi);
-
-	if (intr & MT_INT_RX_DONE_WM)
-		napi_schedule(&dev->mt76.napi[MT_RXQ_MCU]);
-
-	if (intr & MT_INT_RX_DONE_WM2)
-		napi_schedule(&dev->mt76.napi[MT_RXQ_MCU_WA]);
-
-	if (intr & MT_INT_RX_DONE_DATA)
-		napi_schedule(&dev->mt76.napi[MT_RXQ_MAIN]);
-}
-
-static int mt7921e_init_reset(struct mt7921_dev *dev)
-{
-	return mt7921_wpdma_reset(dev, true);
-}
-
-static void mt7921e_unregister_device(struct mt7921_dev *dev)
+static void mt7921e_unregister_device(struct mt792x_dev *dev)
 {
 	int i;
 	struct mt76_connac_pm *pm = &dev->pm;
+	struct ieee80211_hw *hw = mt76_hw(dev);
+
+	if (dev->phy.chip_cap & MT792x_CHIP_CAP_WF_RF_PIN_CTRL_EVT_EN)
+		wiphy_rfkill_stop_polling(hw->wiphy);
 
 	cancel_work_sync(&dev->init_work);
 	mt76_unregister_device(&dev->mt76);
@@ -115,16 +55,16 @@ static void mt7921e_unregister_device(struct mt7921_dev *dev)
 	cancel_work_sync(&pm->wake_work);
 	cancel_work_sync(&dev->reset_work);
 
-	mt7921_tx_token_put(dev);
-	__mt7921_mcu_drv_pmctrl(dev);
-	mt7921_dma_cleanup(dev);
-	mt7921_wfsys_reset(dev);
+	mt76_connac2_tx_token_put(&dev->mt76);
+	__mt792x_mcu_drv_pmctrl(dev);
+	mt792x_dma_cleanup(dev);
+	mt792x_wfsys_reset(dev);
 	skb_queue_purge(&dev->mt76.mcu.res_q);
 
 	tasklet_disable(&dev->mt76.irq_tasklet);
 }
 
-static u32 __mt7921_reg_addr(struct mt7921_dev *dev, u32 addr)
+static u32 __mt7921_reg_addr(struct mt792x_dev *dev, u32 addr)
 {
 	static const struct mt76_connac_reg_map fixed_map[] = {
 		{ 0x820d0000, 0x30000, 0x10000 }, /* WF_LMAC_TOP (WF_WTBLON) */
@@ -203,7 +143,7 @@ static u32 __mt7921_reg_addr(struct mt7921_dev *dev, u32 addr)
 
 static u32 mt7921_rr(struct mt76_dev *mdev, u32 offset)
 {
-	struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
+	struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
 	u32 addr = __mt7921_reg_addr(dev, offset);
 
 	return dev->bus_ops->rr(mdev, addr);
@@ -211,7 +151,7 @@ static u32 mt7921_rr(struct mt76_dev *mdev, u32 offset)
 
 static void mt7921_wr(struct mt76_dev *mdev, u32 offset, u32 val)
 {
-	struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
+	struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
 	u32 addr = __mt7921_reg_addr(dev, offset);
 
 	dev->bus_ops->wr(mdev, addr, val);
@@ -219,12 +159,77 @@ static void mt7921_wr(struct mt76_dev *mdev, u32 offset, u32 val)
 
 static u32 mt7921_rmw(struct mt76_dev *mdev, u32 offset, u32 mask, u32 val)
 {
-	struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
+	struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
 	u32 addr = __mt7921_reg_addr(dev, offset);
 
 	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, NULL, 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_WA_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)
 {
@@ -241,26 +246,39 @@ static int mt7921_pci_probe(struct pci_dev *pdev,
 		.tx_complete_skb = mt76_connac_tx_complete_skb,
 		.rx_check = mt7921_rx_check,
 		.rx_skb = mt7921_queue_rx_skb,
-		.rx_poll_complete = mt7921_rx_poll_complete,
+		.rx_poll_complete = mt792x_rx_poll_complete,
 		.sta_add = mt7921_mac_sta_add,
-		.sta_assoc = mt7921_mac_sta_assoc,
+		.sta_event = mt7921_mac_sta_event,
 		.sta_remove = mt7921_mac_sta_remove,
-		.update_survey = mt7921_update_channel,
+		.update_survey = mt792x_update_channel,
+		.set_channel = mt7921_set_channel,
 	};
-	static const struct mt7921_hif_ops mt7921_pcie_ops = {
+	static const struct mt792x_hif_ops mt7921_pcie_ops = {
 		.init_reset = mt7921e_init_reset,
 		.reset = mt7921e_mac_reset,
 		.mcu_init = mt7921e_mcu_init,
-		.drv_own = mt7921e_mcu_drv_pmctrl,
-		.fw_own = mt7921e_mcu_fw_pmctrl,
+		.drv_own = mt792xe_mcu_drv_pmctrl,
+		.fw_own = mt792xe_mcu_fw_pmctrl,
+	};
+	static const struct mt792x_irq_map irq_map = {
+		.host_irq_enable = MT_WFDMA0_HOST_INT_ENA,
+		.tx = {
+			.all_complete_mask = MT_INT_TX_DONE_ALL,
+			.mcu_complete_mask = MT_INT_TX_DONE_MCU,
+		},
+		.rx = {
+			.data_complete_mask = MT_INT_RX_DONE_DATA,
+			.wm_complete_mask = MT_INT_RX_DONE_WM,
+			.wm2_complete_mask = MT_INT_RX_DONE_WM2,
+		},
 	};
 	struct ieee80211_ops *ops;
 	struct mt76_bus_ops *bus_ops;
-	struct mt7921_dev *dev;
+	struct mt792x_dev *dev;
 	struct mt76_dev *mdev;
+	u16 cmd, chipid;
 	u8 features;
 	int ret;
-	u16 cmd;
 
 	ret = pcim_enable_device(pdev);
 	if (ret)
@@ -288,8 +306,8 @@ static int mt7921_pci_probe(struct pci_dev *pdev,
 	if (mt7921_disable_aspm)
 		mt76_pci_disable_aspm(pdev);
 
-	ops = mt7921_get_mac80211_ops(&pdev->dev, (void *)id->driver_data,
-				      &features);
+	ops = mt792x_get_mac80211_ops(&pdev->dev, &mt7921_ops,
+				      (void *)id->driver_data, &features);
 	if (!ops) {
 		ret = -ENOMEM;
 		goto err_free_pci_vec;
@@ -303,11 +321,12 @@ static int mt7921_pci_probe(struct pci_dev *pdev,
 
 	pci_set_drvdata(pdev, mdev);
 
-	dev = container_of(mdev, struct mt7921_dev, mt76);
+	dev = container_of(mdev, struct mt792x_dev, mt76);
 	dev->fw_features = features;
 	dev->hif_ops = &mt7921_pcie_ops;
+	dev->irq_map = &irq_map;
 	mt76_mmio_init(&dev->mt76, pcim_iomap_table(pdev)[0]);
-	tasklet_init(&mdev->irq_tasklet, mt7921_irq_tasklet, (unsigned long)dev);
+	tasklet_init(&mdev->irq_tasklet, mt792x_irq_tasklet, (unsigned long)dev);
 
 	dev->phy.dev = dev;
 	dev->phy.mt76 = &dev->mt76.phy;
@@ -325,27 +344,33 @@ static int mt7921_pci_probe(struct pci_dev *pdev,
 	bus_ops->rmw = mt7921_rmw;
 	dev->mt76.bus = bus_ops;
 
-	ret = mt7921e_mcu_fw_pmctrl(dev);
+	if (!mt7921_disable_aspm && mt76_pci_aspm_supported(pdev))
+		dev->aspm_supported = true;
+
+	ret = mt792xe_mcu_fw_pmctrl(dev);
 	if (ret)
 		goto err_free_dev;
 
-	ret = __mt7921e_mcu_drv_pmctrl(dev);
+	ret = __mt792xe_mcu_drv_pmctrl(dev);
 	if (ret)
 		goto err_free_dev;
 
-	mdev->rev = (mt7921_l1_rr(dev, MT_HW_CHIPID) << 16) |
+	chipid = mt7921_l1_rr(dev, MT_HW_CHIPID);
+	if (chipid == 0x7961 && (mt7921_l1_rr(dev, MT_HW_BOUND) & BIT(7)))
+		chipid = 0x7920;
+	mdev->rev = (chipid << 16) |
 		    (mt7921_l1_rr(dev, MT_HW_REV) & 0xff);
 	dev_info(mdev->dev, "ASIC revision: %04x\n", mdev->rev);
 
-	ret = mt7921_wfsys_reset(dev);
+	ret = mt792x_wfsys_reset(dev);
 	if (ret)
 		goto err_free_dev;
 
-	mt76_wr(dev, MT_WFDMA0_HOST_INT_ENA, 0);
+	mt76_wr(dev, irq_map.host_irq_enable, 0);
 
 	mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0xff);
 
-	ret = devm_request_irq(mdev->dev, pdev->irq, mt7921_irq_handler,
+	ret = devm_request_irq(mdev->dev, pdev->irq, mt792x_irq_handler,
 			       IRQF_SHARED, KBUILD_MODNAME, dev);
 	if (ret)
 		goto err_free_dev;
@@ -358,6 +383,9 @@ static int mt7921_pci_probe(struct pci_dev *pdev,
 	if (ret)
 		goto err_free_irq;
 
+	if (of_property_read_bool(dev->mt76.dev->of_node, "wakeup-source"))
+		device_init_wakeup(dev->mt76.dev, true);
+
 	return 0;
 
 err_free_irq:
@@ -373,9 +401,13 @@ err_free_pci_vec:
 static void mt7921_pci_remove(struct pci_dev *pdev)
 {
 	struct mt76_dev *mdev = pci_get_drvdata(pdev);
-	struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
+	struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
+
+	if (of_property_read_bool(dev->mt76.dev->of_node, "wakeup-source"))
+		device_init_wakeup(dev->mt76.dev, false);
 
 	mt7921e_unregister_device(dev);
+	set_bit(MT76_REMOVED, &mdev->phy.state);
 	devm_free_irq(&pdev->dev, pdev->irq, dev);
 	mt76_free_device(&dev->mt76);
 	pci_free_irq_vectors(pdev);
@@ -385,7 +417,7 @@ static int mt7921_pci_suspend(struct device *device)
 {
 	struct pci_dev *pdev = to_pci_dev(device);
 	struct mt76_dev *mdev = pci_get_drvdata(pdev);
-	struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
+	struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
 	struct mt76_connac_pm *pm = &dev->pm;
 	int i, err;
 
@@ -394,11 +426,20 @@ static int mt7921_pci_suspend(struct device *device)
 	cancel_delayed_work_sync(&pm->ps_work);
 	cancel_work_sync(&pm->wake_work);
 
-	err = mt7921_mcu_drv_pmctrl(dev);
+	mt7921_roc_abort_sync(dev);
+
+	err = mt792x_mcu_drv_pmctrl(dev);
 	if (err < 0)
 		goto restore_suspend;
 
-	err = mt76_connac_mcu_set_hif_suspend(mdev, true);
+	wait_event_timeout(dev->wait,
+			   !dev->regd_in_progress, 5 * HZ);
+
+	err = mt7921_mcu_radio_led_ctrl(dev, EXT_CMD_RADIO_OFF_LED);
+	if (err < 0)
+		goto restore_suspend;
+
+	err = mt76_connac_mcu_set_hif_suspend(mdev, true, true);
 	if (err)
 		goto restore_suspend;
 
@@ -424,12 +465,12 @@ static int mt7921_pci_suspend(struct device *device)
 		   MT_WFDMA0_GLO_CFG_TX_DMA_EN | MT_WFDMA0_GLO_CFG_RX_DMA_EN);
 
 	/* disable interrupt */
-	mt76_wr(dev, MT_WFDMA0_HOST_INT_ENA, 0);
+	mt76_wr(dev, dev->irq_map->host_irq_enable, 0);
 	mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0x0);
 	synchronize_irq(pdev->irq);
 	tasklet_kill(&mdev->irq_tasklet);
 
-	err = mt7921_mcu_fw_pmctrl(dev);
+	err = mt792x_mcu_fw_pmctrl(dev);
 	if (err)
 		goto restore_napi;
 
@@ -444,13 +485,13 @@ restore_napi:
 	if (!pm->ds_enable)
 		mt76_connac_mcu_set_deep_sleep(&dev->mt76, false);
 
-	mt76_connac_mcu_set_hif_suspend(mdev, false);
+	mt76_connac_mcu_set_hif_suspend(mdev, false, true);
 
 restore_suspend:
 	pm->suspended = false;
 
 	if (err < 0)
-		mt7921_reset(&dev->mt76);
+		mt792x_reset(&dev->mt76);
 
 	return err;
 }
@@ -459,21 +500,21 @@ static int mt7921_pci_resume(struct device *device)
 {
 	struct pci_dev *pdev = to_pci_dev(device);
 	struct mt76_dev *mdev = pci_get_drvdata(pdev);
-	struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
+	struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
 	struct mt76_connac_pm *pm = &dev->pm;
 	int i, err;
 
-	err = mt7921_mcu_drv_pmctrl(dev);
+	err = mt792x_mcu_drv_pmctrl(dev);
 	if (err < 0)
 		goto failed;
 
-	mt7921_wpdma_reinit_cond(dev);
+	mt792x_wpdma_reinit_cond(dev);
 
 	/* enable interrupt */
 	mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0xff);
 	mt76_connac_irq_enable(&dev->mt76,
-			       MT_INT_RX_DONE_ALL | MT_INT_TX_DONE_ALL |
-			       MT_INT_MCU_CMD);
+			       dev->irq_map->tx.all_complete_mask |
+			       MT_INT_RX_DONE_ALL | MT_INT_MCU_CMD);
 	mt76_set(dev, MT_MCU2HOST_SW_INT_ENA, MT_MCU_CMD_WAKE_RX_PCIE);
 
 	/* put dma enabled */
@@ -482,12 +523,15 @@ static int mt7921_pci_resume(struct device *device)
 
 	mt76_worker_enable(&mdev->tx_worker);
 
-	local_bh_disable();
 	mt76_for_each_q_rx(mdev, i) {
 		napi_enable(&mdev->napi[i]);
-		napi_schedule(&mdev->napi[i]);
 	}
 	napi_enable(&mdev->tx_napi);
+
+	local_bh_disable();
+	mt76_for_each_q_rx(mdev, i) {
+		napi_schedule(&mdev->napi[i]);
+	}
 	napi_schedule(&mdev->tx_napi);
 	local_bh_enable();
 
@@ -495,12 +539,17 @@ static int mt7921_pci_resume(struct device *device)
 	if (!pm->ds_enable)
 		mt76_connac_mcu_set_deep_sleep(&dev->mt76, false);
 
-	err = mt76_connac_mcu_set_hif_suspend(mdev, false);
+	err = mt76_connac_mcu_set_hif_suspend(mdev, false, true);
+	if (err < 0)
+		goto failed;
+
+	mt7921_regd_update(dev);
+	err = mt7921_mcu_radio_led_ctrl(dev, EXT_CMD_RADIO_ON_LED);
 failed:
 	pm->suspended = false;
 
 	if (err < 0)
-		mt7921_reset(&dev->mt76);
+		mt792x_reset(&dev->mt76);
 
 	return err;
 }
@@ -524,10 +573,13 @@ static struct pci_driver mt7921_pci_driver = {
 module_pci_driver(mt7921_pci_driver);
 
 MODULE_DEVICE_TABLE(pci, mt7921_pci_device_table);
+MODULE_FIRMWARE(MT7920_FIRMWARE_WM);
+MODULE_FIRMWARE(MT7920_ROM_PATCH);
 MODULE_FIRMWARE(MT7921_FIRMWARE_WM);
 MODULE_FIRMWARE(MT7921_ROM_PATCH);
 MODULE_FIRMWARE(MT7922_FIRMWARE_WM);
 MODULE_FIRMWARE(MT7922_ROM_PATCH);
 MODULE_AUTHOR("Sean Wang <sean.wang@mediatek.com>");
 MODULE_AUTHOR("Lorenzo Bianconi <lorenzo@kernel.org>");
+MODULE_DESCRIPTION("MediaTek MT7921E (PCIe) wireless driver");
 MODULE_LICENSE("Dual BSD/GPL");