Merge tag 'v5.9-rc2' into drm-misc-fixes

Backmerge requested by Tomi for a fix to omap inconsistent
locking state issue, and because we need at least v5.9-rc2 now.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>

4 files changed, 84 insertions, 12 deletions

diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/mt76x2.h b/drivers/net/wireless/mediatek/mt76/mt76x2/mt76x2.h
index eca95b7f64d2..d01f47c83eb1 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2/mt76x2.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2/mt76x2.h
@@ -39,6 +39,7 @@ static inline bool mt76x2_channel_silent(struct mt76x02_dev *dev)
 extern const struct ieee80211_ops mt76x2_ops;
 
 int mt76x2_register_device(struct mt76x02_dev *dev);
+int mt76x2_resume_device(struct mt76x02_dev *dev);
 
 void mt76x2_phy_power_on(struct mt76x02_dev *dev);
 void mt76x2_stop_hardware(struct mt76x02_dev *dev);
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/pci.c b/drivers/net/wireless/mediatek/mt76/mt76x2/pci.c
index 53ca0cedf026..6dfb0df8ec8a 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2/pci.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2/pci.c
@@ -9,7 +9,7 @@
 
 #include "mt76x2.h"
 
-static const struct pci_device_id mt76pci_device_table[] = {
+static const struct pci_device_id mt76x2e_device_table[] = {
 	{ PCI_DEVICE(0x14c3, 0x7662) },
 	{ PCI_DEVICE(0x14c3, 0x7612) },
 	{ PCI_DEVICE(0x14c3, 0x7602) },
@@ -17,7 +17,7 @@ static const struct pci_device_id mt76pci_device_table[] = {
 };
 
 static int
-mt76pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
+mt76x2e_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 {
 	static const struct mt76_driver_ops drv_ops = {
 		.txwi_size = sizeof(struct mt76x02_txwi),
@@ -93,7 +93,7 @@ error:
 }
 
 static void
-mt76pci_remove(struct pci_dev *pdev)
+mt76x2e_remove(struct pci_dev *pdev)
 {
 	struct mt76_dev *mdev = pci_get_drvdata(pdev);
 	struct mt76x02_dev *dev = container_of(mdev, struct mt76x02_dev, mt76);
@@ -103,16 +103,72 @@ mt76pci_remove(struct pci_dev *pdev)
 	mt76_free_device(mdev);
 }
 
-MODULE_DEVICE_TABLE(pci, mt76pci_device_table);
+static int __maybe_unused
+mt76x2e_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+	struct mt76_dev *mdev = pci_get_drvdata(pdev);
+	int i, err;
+
+	napi_disable(&mdev->tx_napi);
+	tasklet_kill(&mdev->pre_tbtt_tasklet);
+	tasklet_kill(&mdev->tx_tasklet);
+
+	mt76_for_each_q_rx(mdev, i)
+		napi_disable(&mdev->napi[i]);
+
+	pci_enable_wake(pdev, pci_choose_state(pdev, state), true);
+	pci_save_state(pdev);
+	err = pci_set_power_state(pdev, pci_choose_state(pdev, state));
+	if (err)
+		goto restore;
+
+	return 0;
+
+restore:
+	mt76_for_each_q_rx(mdev, i)
+		napi_enable(&mdev->napi[i]);
+	napi_enable(&mdev->tx_napi);
+
+	return err;
+}
+
+static int __maybe_unused
+mt76x2e_resume(struct pci_dev *pdev)
+{
+	struct mt76_dev *mdev = pci_get_drvdata(pdev);
+	struct mt76x02_dev *dev = container_of(mdev, struct mt76x02_dev, mt76);
+	int i, err;
+
+	err = pci_set_power_state(pdev, PCI_D0);
+	if (err)
+		return err;
+
+	pci_restore_state(pdev);
+
+	mt76_for_each_q_rx(mdev, i) {
+		napi_enable(&mdev->napi[i]);
+		napi_schedule(&mdev->napi[i]);
+	}
+	napi_enable(&mdev->tx_napi);
+	napi_schedule(&mdev->tx_napi);
+
+	return mt76x2_resume_device(dev);
+}
+
+MODULE_DEVICE_TABLE(pci, mt76x2e_device_table);
 MODULE_FIRMWARE(MT7662_FIRMWARE);
 MODULE_FIRMWARE(MT7662_ROM_PATCH);
 MODULE_LICENSE("Dual BSD/GPL");
 
 static struct pci_driver mt76pci_driver = {
 	.name		= KBUILD_MODNAME,
-	.id_table	= mt76pci_device_table,
-	.probe		= mt76pci_probe,
-	.remove		= mt76pci_remove,
+	.id_table	= mt76x2e_device_table,
+	.probe		= mt76x2e_probe,
+	.remove		= mt76x2e_remove,
+#ifdef CONFIG_PM
+	.suspend	= mt76x2e_suspend,
+	.resume		= mt76x2e_resume,
+#endif /* CONFIG_PM */
 };
 
 module_pci_driver(mt76pci_driver);
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/pci_init.c b/drivers/net/wireless/mediatek/mt76/mt76x2/pci_init.c
index f27774f57438..101a0fe00ef3 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2/pci_init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2/pci_init.c
@@ -217,6 +217,23 @@ mt76x2_power_on(struct mt76x02_dev *dev)
 	mt76x2_power_on_rf(dev, 1);
 }
 
+int mt76x2_resume_device(struct mt76x02_dev *dev)
+{
+	int err;
+
+	mt76x02_dma_disable(dev);
+	mt76x2_reset_wlan(dev, true);
+	mt76x2_power_on(dev);
+
+	err = mt76x2_mac_reset(dev, true);
+	if (err)
+		return err;
+
+	mt76x02_mac_start(dev);
+
+	return mt76x2_mcu_init(dev);
+}
+
 static int mt76x2_init_hardware(struct mt76x02_dev *dev)
 {
 	int ret;
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/usb.c b/drivers/net/wireless/mediatek/mt76/mt76x2/usb.c
index 3a4e41724af1..4e003c7b62cf 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2/usb.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2/usb.c
@@ -16,6 +16,7 @@ static const struct usb_device_id mt76x2u_device_table[] = {
 	{ USB_DEVICE(0x0e8d, 0x7612) },	/* Aukey USBAC1200 - Alfa AWUS036ACM */
 	{ USB_DEVICE(0x057c, 0x8503) },	/* Avm FRITZ!WLAN AC860 */
 	{ USB_DEVICE(0x7392, 0xb711) },	/* Edimax EW 7722 UAC */
+	{ USB_DEVICE(0x0e8d, 0x7632) },	/* HC-M7662BU1 */
 	{ USB_DEVICE(0x2c4e, 0x0103) },	/* Mercury UD13 */
 	{ USB_DEVICE(0x0846, 0x9053) },	/* Netgear A6210 */
 	{ USB_DEVICE(0x045e, 0x02e6) },	/* XBox One Wireless Adapter */
@@ -74,8 +75,7 @@ static int mt76x2u_probe(struct usb_interface *intf,
 	return 0;
 
 err:
-	ieee80211_free_hw(mt76_hw(dev));
-	mt76u_deinit(&dev->mt76);
+	mt76_free_device(&dev->mt76);
 	usb_set_intfdata(intf, NULL);
 	usb_put_dev(udev);
 
@@ -91,9 +91,7 @@ static void mt76x2u_disconnect(struct usb_interface *intf)
 	set_bit(MT76_REMOVED, &dev->mphy.state);
 	ieee80211_unregister_hw(hw);
 	mt76x2u_cleanup(dev);
-	mt76u_deinit(&dev->mt76);
-
-	ieee80211_free_hw(hw);
+	mt76_free_device(&dev->mt76);
 	usb_set_intfdata(intf, NULL);
 	usb_put_dev(udev);
 }