1 files changed, 47 insertions, 35 deletions

diff --git a/drivers/net/wireless/realtek/rtw88/pci.c b/drivers/net/wireless/realtek/rtw88/pci.c
index 1af87eb2e53a..8228db9a5fc8 100644
--- a/drivers/net/wireless/realtek/rtw88/pci.c
+++ b/drivers/net/wireless/realtek/rtw88/pci.c
@@ -411,12 +411,14 @@ static void rtw_pci_reset_buf_desc(struct rtw_dev *rtwdev)
 	dma = rtwpci->tx_rings[RTW_TX_QUEUE_BCN].r.dma;
 	rtw_write32(rtwdev, RTK_PCI_TXBD_DESA_BCNQ, dma);
 
-	len = rtwpci->tx_rings[RTW_TX_QUEUE_H2C].r.len;
-	dma = rtwpci->tx_rings[RTW_TX_QUEUE_H2C].r.dma;
-	rtwpci->tx_rings[RTW_TX_QUEUE_H2C].r.rp = 0;
-	rtwpci->tx_rings[RTW_TX_QUEUE_H2C].r.wp = 0;
-	rtw_write16(rtwdev, RTK_PCI_TXBD_NUM_H2CQ, len & TRX_BD_IDX_MASK);
-	rtw_write32(rtwdev, RTK_PCI_TXBD_DESA_H2CQ, dma);
+	if (!rtw_chip_wcpu_11n(rtwdev)) {
+		len = rtwpci->tx_rings[RTW_TX_QUEUE_H2C].r.len;
+		dma = rtwpci->tx_rings[RTW_TX_QUEUE_H2C].r.dma;
+		rtwpci->tx_rings[RTW_TX_QUEUE_H2C].r.rp = 0;
+		rtwpci->tx_rings[RTW_TX_QUEUE_H2C].r.wp = 0;
+		rtw_write16(rtwdev, RTK_PCI_TXBD_NUM_H2CQ, len & TRX_BD_IDX_MASK);
+		rtw_write32(rtwdev, RTK_PCI_TXBD_DESA_H2CQ, dma);
+	}
 
 	len = rtwpci->tx_rings[RTW_TX_QUEUE_BK].r.len;
 	dma = rtwpci->tx_rings[RTW_TX_QUEUE_BK].r.dma;
@@ -471,8 +473,9 @@ static void rtw_pci_reset_buf_desc(struct rtw_dev *rtwdev)
 	rtw_write32(rtwdev, RTK_PCI_TXBD_RWPTR_CLR, 0xffffffff);
 
 	/* reset H2C Queue index in a single write */
-	rtw_write32_set(rtwdev, RTK_PCI_TXBD_H2CQ_CSR,
-			BIT_CLR_H2CQ_HOST_IDX | BIT_CLR_H2CQ_HW_IDX);
+	if (rtw_chip_wcpu_11ac(rtwdev))
+		rtw_write32_set(rtwdev, RTK_PCI_TXBD_H2CQ_CSR,
+				BIT_CLR_H2CQ_HOST_IDX | BIT_CLR_H2CQ_HW_IDX);
 }
 
 static void rtw_pci_reset_trx_ring(struct rtw_dev *rtwdev)
@@ -489,7 +492,9 @@ static void rtw_pci_enable_interrupt(struct rtw_dev *rtwdev,
 
 	rtw_write32(rtwdev, RTK_PCI_HIMR0, rtwpci->irq_mask[0]);
 	rtw_write32(rtwdev, RTK_PCI_HIMR1, rtwpci->irq_mask[1]);
-	rtw_write32(rtwdev, RTK_PCI_HIMR3, rtwpci->irq_mask[3]);
+	if (rtw_chip_wcpu_11ac(rtwdev))
+		rtw_write32(rtwdev, RTK_PCI_HIMR3, rtwpci->irq_mask[3]);
+
 	rtwpci->irq_enabled = true;
 
 	spin_unlock_irqrestore(&rtwpci->hwirq_lock, flags);
@@ -507,7 +512,9 @@ static void rtw_pci_disable_interrupt(struct rtw_dev *rtwdev,
 
 	rtw_write32(rtwdev, RTK_PCI_HIMR0, 0);
 	rtw_write32(rtwdev, RTK_PCI_HIMR1, 0);
-	rtw_write32(rtwdev, RTK_PCI_HIMR3, 0);
+	if (rtw_chip_wcpu_11ac(rtwdev))
+		rtw_write32(rtwdev, RTK_PCI_HIMR3, 0);
+
 	rtwpci->irq_enabled = false;
 
 out:
@@ -1012,13 +1019,17 @@ static void rtw_pci_irq_recognized(struct rtw_dev *rtwdev,
 
 	irq_status[0] = rtw_read32(rtwdev, RTK_PCI_HISR0);
 	irq_status[1] = rtw_read32(rtwdev, RTK_PCI_HISR1);
-	irq_status[3] = rtw_read32(rtwdev, RTK_PCI_HISR3);
+	if (rtw_chip_wcpu_11ac(rtwdev))
+		irq_status[3] = rtw_read32(rtwdev, RTK_PCI_HISR3);
+	else
+		irq_status[3] = 0;
 	irq_status[0] &= rtwpci->irq_mask[0];
 	irq_status[1] &= rtwpci->irq_mask[1];
 	irq_status[3] &= rtwpci->irq_mask[3];
 	rtw_write32(rtwdev, RTK_PCI_HISR0, irq_status[0]);
 	rtw_write32(rtwdev, RTK_PCI_HISR1, irq_status[1]);
-	rtw_write32(rtwdev, RTK_PCI_HISR3, irq_status[3]);
+	if (rtw_chip_wcpu_11ac(rtwdev))
+		rtw_write32(rtwdev, RTK_PCI_HISR3, irq_status[3]);
 
 	spin_unlock_irqrestore(&rtwpci->hwirq_lock, flags);
 }
@@ -1091,6 +1102,7 @@ static int rtw_pci_io_mapping(struct rtw_dev *rtwdev,
 	len = pci_resource_len(pdev, bar_id);
 	rtwpci->mmap = pci_iomap(pdev, bar_id, len);
 	if (!rtwpci->mmap) {
+		pci_release_regions(pdev);
 		rtw_err(rtwdev, "failed to map pci memory\n");
 		return -ENOMEM;
 	}
@@ -1348,7 +1360,8 @@ static int __maybe_unused rtw_pci_resume(struct device *dev)
 	return 0;
 }
 
-static SIMPLE_DEV_PM_OPS(rtw_pm_ops, rtw_pci_suspend, rtw_pci_resume);
+SIMPLE_DEV_PM_OPS(rtw_pm_ops, rtw_pci_suspend, rtw_pci_resume);
+EXPORT_SYMBOL(rtw_pm_ops);
 
 static int rtw_pci_claim(struct rtw_dev *rtwdev, struct pci_dev *pdev)
 {
@@ -1461,8 +1474,8 @@ static void rtw_pci_free_irq(struct rtw_dev *rtwdev, struct pci_dev *pdev)
 	pci_free_irq_vectors(pdev);
 }
 
-static int rtw_pci_probe(struct pci_dev *pdev,
-			 const struct pci_device_id *id)
+int rtw_pci_probe(struct pci_dev *pdev,
+		  const struct pci_device_id *id)
 {
 	struct ieee80211_hw *hw;
 	struct rtw_dev *rtwdev;
@@ -1539,8 +1552,9 @@ err_release_hw:
 
 	return ret;
 }
+EXPORT_SYMBOL(rtw_pci_probe);
 
-static void rtw_pci_remove(struct pci_dev *pdev)
+void rtw_pci_remove(struct pci_dev *pdev)
 {
 	struct ieee80211_hw *hw = pci_get_drvdata(pdev);
 	struct rtw_dev *rtwdev;
@@ -1560,26 +1574,24 @@ static void rtw_pci_remove(struct pci_dev *pdev)
 	rtw_core_deinit(rtwdev);
 	ieee80211_free_hw(hw);
 }
+EXPORT_SYMBOL(rtw_pci_remove);
 
-static const struct pci_device_id rtw_pci_id_table[] = {
-#ifdef CONFIG_RTW88_8822BE
-	{ RTK_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0xB822, rtw8822b_hw_spec) },
-#endif
-#ifdef CONFIG_RTW88_8822CE
-	{ RTK_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0xC822, rtw8822c_hw_spec) },
-#endif
-	{},
-};
-MODULE_DEVICE_TABLE(pci, rtw_pci_id_table);
-
-static struct pci_driver rtw_pci_driver = {
-	.name = "rtw_pci",
-	.id_table = rtw_pci_id_table,
-	.probe = rtw_pci_probe,
-	.remove = rtw_pci_remove,
-	.driver.pm = &rtw_pm_ops,
-};
-module_pci_driver(rtw_pci_driver);
+void rtw_pci_shutdown(struct pci_dev *pdev)
+{
+	struct ieee80211_hw *hw = pci_get_drvdata(pdev);
+	struct rtw_dev *rtwdev;
+	struct rtw_chip_info *chip;
+
+	if (!hw)
+		return;
+
+	rtwdev = hw->priv;
+	chip = rtwdev->chip;
+
+	if (chip->ops->shutdown)
+		chip->ops->shutdown(rtwdev);
+}
+EXPORT_SYMBOL(rtw_pci_shutdown);
 
 MODULE_AUTHOR("Realtek Corporation");
 MODULE_DESCRIPTION("Realtek 802.11ac wireless PCI driver");