[PATCH 6/6] mt76: mt7921: enable deep sleep when the device suspends

[<sean.wang@mediatek.com>]

From: Sean Wang <sean.wang@mediatek.com>

Enable the deep sleep mode in suspend handler to reduce the power
consumption further.

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
---
 drivers/net/wireless/mediatek/mt76/mt7921/pci.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/pci.c b/drivers/net/wireless/mediatek/mt76/mt7921/pci.c
index 40e2086d075c..277960b680bc 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/pci.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/pci.c
@@ -189,6 +189,9 @@ static int mt7921_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 			return err;
 	}
 
+	if (!dev->pm.enable)
+		mt76_connac_mcu_set_deep_sleep(&dev->mt76, true);
+
 	napi_disable(&mdev->tx_napi);
 	mt76_worker_disable(&mdev->tx_worker);
 
@@ -227,6 +230,10 @@ static int mt7921_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 		napi_enable(&mdev->napi[i]);
 	}
 	napi_enable(&mdev->tx_napi);
+
+	if (!dev->pm.enable)
+		mt76_connac_mcu_set_deep_sleep(&dev->mt76, false);
+
 	if (hif_suspend)
 		mt76_connac_mcu_set_hif_suspend(mdev, false);
 
@@ -249,6 +256,8 @@ static int mt7921_pci_resume(struct pci_dev *pdev)
 	if (err < 0)
 		return err;
 
+	mt7921_wpdma_reinit_cond(dev);
+
 	/* enable interrupt */
 	mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0xff);
 	mt7921_irq_enable(dev, MT_INT_RX_DONE_ALL | MT_INT_TX_DONE_ALL |
@@ -266,6 +275,9 @@ static int mt7921_pci_resume(struct pci_dev *pdev)
 	napi_enable(&mdev->tx_napi);
 	napi_schedule(&mdev->tx_napi);
 
+	if (!dev->pm.enable)
+		mt76_connac_mcu_set_deep_sleep(&dev->mt76, false);
+
 	if (!test_bit(MT76_STATE_SUSPEND, &dev->mphy.state))
 		err = mt76_connac_mcu_set_hif_suspend(mdev, false);
 
-- 
2.25.1