1 files changed, 57 insertions, 65 deletions

diff --git a/drivers/net/wireless/realtek/rtl818x/rtl8180/dev.c b/drivers/net/wireless/realtek/rtl818x/rtl8180/dev.c
index 225c1c8851cc..070c0431c482 100644
--- a/drivers/net/wireless/realtek/rtl818x/rtl8180/dev.c
+++ b/drivers/net/wireless/realtek/rtl818x/rtl8180/dev.c
@@ -260,20 +260,20 @@ static void rtl8180_handle_rx(struct ieee80211_hw *dev)
 			if (unlikely(!new_skb))
 				goto done;
 
-			mapping = pci_map_single(priv->pdev,
-					       skb_tail_pointer(new_skb),
-					       MAX_RX_SIZE, PCI_DMA_FROMDEVICE);
+			mapping = dma_map_single(&priv->pdev->dev,
+						 skb_tail_pointer(new_skb),
+						 MAX_RX_SIZE, DMA_FROM_DEVICE);
 
-			if (pci_dma_mapping_error(priv->pdev, mapping)) {
+			if (dma_mapping_error(&priv->pdev->dev, mapping)) {
 				kfree_skb(new_skb);
 				dev_err(&priv->pdev->dev, "RX DMA map error\n");
 
 				goto done;
 			}
 
-			pci_unmap_single(priv->pdev,
+			dma_unmap_single(&priv->pdev->dev,
 					 *((dma_addr_t *)skb->cb),
-					 MAX_RX_SIZE, PCI_DMA_FROMDEVICE);
+					 MAX_RX_SIZE, DMA_FROM_DEVICE);
 			skb_put(skb, flags & 0xFFF);
 
 			rx_status.antenna = (flags2 >> 15) & 1;
@@ -355,8 +355,8 @@ static void rtl8180_handle_tx(struct ieee80211_hw *dev, unsigned int prio)
 
 		ring->idx = (ring->idx + 1) % ring->entries;
 		skb = __skb_dequeue(&ring->queue);
-		pci_unmap_single(priv->pdev, le32_to_cpu(entry->tx_buf),
-				 skb->len, PCI_DMA_TODEVICE);
+		dma_unmap_single(&priv->pdev->dev, le32_to_cpu(entry->tx_buf),
+				 skb->len, DMA_TO_DEVICE);
 
 		info = IEEE80211_SKB_CB(skb);
 		ieee80211_tx_info_clear_status(info);
@@ -460,8 +460,10 @@ static void rtl8180_tx(struct ieee80211_hw *dev,
 	struct rtl8180_priv *priv = dev->priv;
 	struct rtl8180_tx_ring *ring;
 	struct rtl8180_tx_desc *entry;
+	unsigned int prio = 0;
 	unsigned long flags;
-	unsigned int idx, prio, hw_prio;
+	unsigned int idx, hw_prio;
+
 	dma_addr_t mapping;
 	u32 tx_flags;
 	u8 rc_flags;
@@ -470,13 +472,15 @@ static void rtl8180_tx(struct ieee80211_hw *dev,
 	/* do arithmetic and then convert to le16 */
 	u16 frame_duration = 0;
 
-	prio = skb_get_queue_mapping(skb);
+	/* rtl8180/rtl8185 only has one useable tx queue */
+	if (dev->queues > IEEE80211_AC_BK)
+		prio = skb_get_queue_mapping(skb);
 	ring = &priv->tx_ring[prio];
 
-	mapping = pci_map_single(priv->pdev, skb->data,
-				 skb->len, PCI_DMA_TODEVICE);
+	mapping = dma_map_single(&priv->pdev->dev, skb->data, skb->len,
+				 DMA_TO_DEVICE);
 
-	if (pci_dma_mapping_error(priv->pdev, mapping)) {
+	if (dma_mapping_error(&priv->pdev->dev, mapping)) {
 		kfree_skb(skb);
 		dev_err(&priv->pdev->dev, "TX DMA mapping error\n");
 		return;
@@ -803,7 +807,7 @@ static void rtl8180_config_cardbus(struct ieee80211_hw *dev)
 		rtl818x_iowrite16(priv, FEMR_SE, 0xffff);
 	} else {
 		reg16 = rtl818x_ioread16(priv, &priv->map->FEMR);
-			reg16 |= (1 << 15) | (1 << 14) | (1 << 4);
+		reg16 |= (1 << 15) | (1 << 14) | (1 << 4);
 		rtl818x_iowrite16(priv, &priv->map->FEMR, reg16);
 	}
 
@@ -1004,8 +1008,9 @@ static int rtl8180_init_rx_ring(struct ieee80211_hw *dev)
 	else
 		priv->rx_ring_sz = sizeof(struct rtl8180_rx_desc);
 
-	priv->rx_ring = pci_zalloc_consistent(priv->pdev, priv->rx_ring_sz * 32,
-					      &priv->rx_ring_dma);
+	priv->rx_ring = dma_alloc_coherent(&priv->pdev->dev,
+					   priv->rx_ring_sz * 32,
+					   &priv->rx_ring_dma, GFP_KERNEL);
 	if (!priv->rx_ring || (unsigned long)priv->rx_ring & 0xFF) {
 		wiphy_err(dev->wiphy, "Cannot allocate RX ring\n");
 		return -ENOMEM;
@@ -1018,20 +1023,18 @@ static int rtl8180_init_rx_ring(struct ieee80211_hw *dev)
 		dma_addr_t *mapping;
 		entry = priv->rx_ring + priv->rx_ring_sz*i;
 		if (!skb) {
-			pci_free_consistent(priv->pdev, priv->rx_ring_sz * 32,
-					priv->rx_ring, priv->rx_ring_dma);
 			wiphy_err(dev->wiphy, "Cannot allocate RX skb\n");
 			return -ENOMEM;
 		}
 		priv->rx_buf[i] = skb;
 		mapping = (dma_addr_t *)skb->cb;
-		*mapping = pci_map_single(priv->pdev, skb_tail_pointer(skb),
-					  MAX_RX_SIZE, PCI_DMA_FROMDEVICE);
+		*mapping = dma_map_single(&priv->pdev->dev,
+					  skb_tail_pointer(skb), MAX_RX_SIZE,
+					  DMA_FROM_DEVICE);
 
-		if (pci_dma_mapping_error(priv->pdev, *mapping)) {
+		if (dma_mapping_error(&priv->pdev->dev, *mapping)) {
 			kfree_skb(skb);
-			pci_free_consistent(priv->pdev, priv->rx_ring_sz * 32,
-					priv->rx_ring, priv->rx_ring_dma);
+			priv->rx_buf[i] = NULL;
 			wiphy_err(dev->wiphy, "Cannot map DMA for RX skb\n");
 			return -ENOMEM;
 		}
@@ -1054,14 +1057,13 @@ static void rtl8180_free_rx_ring(struct ieee80211_hw *dev)
 		if (!skb)
 			continue;
 
-		pci_unmap_single(priv->pdev,
-				 *((dma_addr_t *)skb->cb),
-				 MAX_RX_SIZE, PCI_DMA_FROMDEVICE);
+		dma_unmap_single(&priv->pdev->dev, *((dma_addr_t *)skb->cb),
+				 MAX_RX_SIZE, DMA_FROM_DEVICE);
 		kfree_skb(skb);
 	}
 
-	pci_free_consistent(priv->pdev, priv->rx_ring_sz * 32,
-			    priv->rx_ring, priv->rx_ring_dma);
+	dma_free_coherent(&priv->pdev->dev, priv->rx_ring_sz * 32,
+			  priv->rx_ring, priv->rx_ring_dma);
 	priv->rx_ring = NULL;
 }
 
@@ -1073,8 +1075,8 @@ static int rtl8180_init_tx_ring(struct ieee80211_hw *dev,
 	dma_addr_t dma;
 	int i;
 
-	ring = pci_zalloc_consistent(priv->pdev, sizeof(*ring) * entries,
-				     &dma);
+	ring = dma_alloc_coherent(&priv->pdev->dev, sizeof(*ring) * entries,
+				  &dma, GFP_KERNEL);
 	if (!ring || (unsigned long)ring & 0xFF) {
 		wiphy_err(dev->wiphy, "Cannot allocate TX ring (prio = %d)\n",
 			  prio);
@@ -1103,14 +1105,15 @@ static void rtl8180_free_tx_ring(struct ieee80211_hw *dev, unsigned int prio)
 		struct rtl8180_tx_desc *entry = &ring->desc[ring->idx];
 		struct sk_buff *skb = __skb_dequeue(&ring->queue);
 
-		pci_unmap_single(priv->pdev, le32_to_cpu(entry->tx_buf),
-				 skb->len, PCI_DMA_TODEVICE);
+		dma_unmap_single(&priv->pdev->dev, le32_to_cpu(entry->tx_buf),
+				 skb->len, DMA_TO_DEVICE);
 		kfree_skb(skb);
 		ring->idx = (ring->idx + 1) % ring->entries;
 	}
 
-	pci_free_consistent(priv->pdev, sizeof(*ring->desc)*ring->entries,
-			    ring->desc, ring->dma);
+	dma_free_coherent(&priv->pdev->dev,
+			  sizeof(*ring->desc) * ring->entries, ring->desc,
+			  ring->dma);
 	ring->desc = NULL;
 }
 
@@ -1122,7 +1125,7 @@ static int rtl8180_start(struct ieee80211_hw *dev)
 
 	ret = rtl8180_init_rx_ring(dev);
 	if (ret)
-		return ret;
+		goto err_free_rings;
 
 	for (i = 0; i < (dev->queues + 1); i++)
 		if ((ret = rtl8180_init_tx_ring(dev, i, 16)))
@@ -1241,7 +1244,7 @@ static int rtl8180_start(struct ieee80211_hw *dev)
 	return ret;
 }
 
-static void rtl8180_stop(struct ieee80211_hw *dev)
+static void rtl8180_stop(struct ieee80211_hw *dev, bool suspend)
 {
 	struct rtl8180_priv *priv = dev->priv;
 	u8 reg;
@@ -1292,7 +1295,7 @@ static void rtl8180_beacon_work(struct work_struct *work)
 		goto resched;
 
 	/* grab a fresh beacon */
-	skb = ieee80211_beacon_get(dev, vif);
+	skb = ieee80211_beacon_get(dev, vif, 0);
 	if (!skb)
 		goto resched;
 
@@ -1362,7 +1365,7 @@ static void rtl8180_remove_interface(struct ieee80211_hw *dev,
 	priv->vif = NULL;
 }
 
-static int rtl8180_config(struct ieee80211_hw *dev, u32 changed)
+static int rtl8180_config(struct ieee80211_hw *dev, int radio_idx, u32 changed)
 {
 	struct rtl8180_priv *priv = dev->priv;
 	struct ieee80211_conf *conf = &dev->conf;
@@ -1416,7 +1419,8 @@ static void rtl8187se_conf_ac_parm(struct ieee80211_hw *dev, u8 queue)
 }
 
 static int rtl8180_conf_tx(struct ieee80211_hw *dev,
-			    struct ieee80211_vif *vif, u16 queue,
+			    struct ieee80211_vif *vif,
+			    unsigned int link_id, u16 queue,
 			    const struct ieee80211_tx_queue_params *params)
 {
 	struct rtl8180_priv *priv = dev->priv;
@@ -1492,7 +1496,7 @@ static void rtl8180_conf_erp(struct ieee80211_hw *dev,
 static void rtl8180_bss_info_changed(struct ieee80211_hw *dev,
 				     struct ieee80211_vif *vif,
 				     struct ieee80211_bss_conf *info,
-				     u32 changed)
+				     u64 changed)
 {
 	struct rtl8180_priv *priv = dev->priv;
 	struct rtl8180_vif *vif_priv;
@@ -1598,7 +1602,12 @@ static void rtl8180_configure_filter(struct ieee80211_hw *dev,
 }
 
 static const struct ieee80211_ops rtl8180_ops = {
+	.add_chanctx = ieee80211_emulate_add_chanctx,
+	.remove_chanctx = ieee80211_emulate_remove_chanctx,
+	.change_chanctx = ieee80211_emulate_change_chanctx,
+	.switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx,
 	.tx			= rtl8180_tx,
+	.wake_tx_queue		= ieee80211_handle_wake_tx_queue,
 	.start			= rtl8180_start,
 	.stop			= rtl8180_stop,
 	.add_interface		= rtl8180_add_interface,
@@ -1723,8 +1732,8 @@ static int rtl8180_probe(struct pci_dev *pdev,
 {
 	struct ieee80211_hw *dev;
 	struct rtl8180_priv *priv;
-	unsigned long mem_addr, mem_len;
-	unsigned int io_addr, io_len;
+	unsigned long mem_len;
+	unsigned int io_len;
 	int err;
 	const char *chip_name, *rf_name = NULL;
 	u32 reg;
@@ -1743,9 +1752,7 @@ static int rtl8180_probe(struct pci_dev *pdev,
 		goto err_disable_dev;
 	}
 
-	io_addr = pci_resource_start(pdev, 0);
 	io_len = pci_resource_len(pdev, 0);
-	mem_addr = pci_resource_start(pdev, 1);
 	mem_len = pci_resource_len(pdev, 1);
 
 	if (mem_len < sizeof(struct rtl818x_csr) ||
@@ -1756,8 +1763,8 @@ static int rtl8180_probe(struct pci_dev *pdev,
 		goto err_free_reg;
 	}
 
-	if ((err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) ||
-	    (err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))) {
+	if ((err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32))) ||
+	    (err = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32)))) {
 		printk(KERN_ERR "%s (rtl8180): No suitable DMA available\n",
 		       pci_name(pdev));
 		goto err_free_reg;
@@ -1968,32 +1975,17 @@ static void rtl8180_remove(struct pci_dev *pdev)
 	ieee80211_free_hw(dev);
 }
 
-#ifdef CONFIG_PM
-static int rtl8180_suspend(struct pci_dev *pdev, pm_message_t state)
-{
-	pci_save_state(pdev);
-	pci_set_power_state(pdev, pci_choose_state(pdev, state));
-	return 0;
-}
-
-static int rtl8180_resume(struct pci_dev *pdev)
-{
-	pci_set_power_state(pdev, PCI_D0);
-	pci_restore_state(pdev);
-	return 0;
-}
+#define rtl8180_suspend NULL
+#define rtl8180_resume NULL
 
-#endif /* CONFIG_PM */
+static SIMPLE_DEV_PM_OPS(rtl8180_pm_ops, rtl8180_suspend, rtl8180_resume);
 
 static struct pci_driver rtl8180_driver = {
 	.name		= KBUILD_MODNAME,
 	.id_table	= rtl8180_table,
 	.probe		= rtl8180_probe,
 	.remove		= rtl8180_remove,
-#ifdef CONFIG_PM
-	.suspend	= rtl8180_suspend,
-	.resume		= rtl8180_resume,
-#endif /* CONFIG_PM */
+	.driver.pm	= &rtl8180_pm_ops,
 };
 
 module_pci_driver(rtl8180_driver);