1 files changed, 68 insertions, 88 deletions

diff --git a/drivers/net/wireless/intel/ipw2x00/ipw2100.c b/drivers/net/wireless/intel/ipw2x00/ipw2100.c
index 624fe721e2b5..461e955aa259 100644
--- a/drivers/net/wireless/intel/ipw2x00/ipw2100.c
+++ b/drivers/net/wireless/intel/ipw2x00/ipw2100.c
@@ -2295,10 +2295,11 @@ static int ipw2100_alloc_skb(struct ipw2100_priv *priv,
 		return -ENOMEM;
 
 	packet->rxp = (struct ipw2100_rx *)packet->skb->data;
-	packet->dma_addr = pci_map_single(priv->pci_dev, packet->skb->data,
+	packet->dma_addr = dma_map_single(&priv->pci_dev->dev,
+					  packet->skb->data,
 					  sizeof(struct ipw2100_rx),
-					  PCI_DMA_FROMDEVICE);
-	if (pci_dma_mapping_error(priv->pci_dev, packet->dma_addr)) {
+					  DMA_FROM_DEVICE);
+	if (dma_mapping_error(&priv->pci_dev->dev, packet->dma_addr)) {
 		dev_kfree_skb(packet->skb);
 		return -ENOMEM;
 	}
@@ -2479,9 +2480,8 @@ static void isr_rx(struct ipw2100_priv *priv, int i,
 		return;
 	}
 
-	pci_unmap_single(priv->pci_dev,
-			 packet->dma_addr,
-			 sizeof(struct ipw2100_rx), PCI_DMA_FROMDEVICE);
+	dma_unmap_single(&priv->pci_dev->dev, packet->dma_addr,
+			 sizeof(struct ipw2100_rx), DMA_FROM_DEVICE);
 
 	skb_put(packet->skb, status->frame_size);
 
@@ -2563,8 +2563,8 @@ static void isr_rx_monitor(struct ipw2100_priv *priv, int i,
 		return;
 	}
 
-	pci_unmap_single(priv->pci_dev, packet->dma_addr,
-			 sizeof(struct ipw2100_rx), PCI_DMA_FROMDEVICE);
+	dma_unmap_single(&priv->pci_dev->dev, packet->dma_addr,
+			 sizeof(struct ipw2100_rx), DMA_FROM_DEVICE);
 	memmove(packet->skb->data + sizeof(struct ipw_rt_hdr),
 		packet->skb->data, status->frame_size);
 
@@ -2689,9 +2689,9 @@ static void __ipw2100_rx_process(struct ipw2100_priv *priv)
 
 		/* Sync the DMA for the RX buffer so CPU is sure to get
 		 * the correct values */
-		pci_dma_sync_single_for_cpu(priv->pci_dev, packet->dma_addr,
-					    sizeof(struct ipw2100_rx),
-					    PCI_DMA_FROMDEVICE);
+		dma_sync_single_for_cpu(&priv->pci_dev->dev, packet->dma_addr,
+					sizeof(struct ipw2100_rx),
+					DMA_FROM_DEVICE);
 
 		if (unlikely(ipw2100_corruption_check(priv, i))) {
 			ipw2100_corruption_detected(priv, i);
@@ -2923,9 +2923,8 @@ static int __ipw2100_tx_process(struct ipw2100_priv *priv)
 				     (packet->index + 1 + i) % txq->entries,
 				     tbd->host_addr, tbd->buf_length);
 
-			pci_unmap_single(priv->pci_dev,
-					 tbd->host_addr,
-					 tbd->buf_length, PCI_DMA_TODEVICE);
+			dma_unmap_single(&priv->pci_dev->dev, tbd->host_addr,
+					 tbd->buf_length, DMA_TO_DEVICE);
 		}
 
 		libipw_txb_free(packet->info.d_struct.txb);
@@ -3165,15 +3164,13 @@ static void ipw2100_tx_send_data(struct ipw2100_priv *priv)
 			tbd->buf_length = packet->info.d_struct.txb->
 			    fragments[i]->len - LIBIPW_3ADDR_LEN;
 
-			tbd->host_addr = pci_map_single(priv->pci_dev,
+			tbd->host_addr = dma_map_single(&priv->pci_dev->dev,
 							packet->info.d_struct.
-							txb->fragments[i]->
-							data +
+							txb->fragments[i]->data +
 							LIBIPW_3ADDR_LEN,
 							tbd->buf_length,
-							PCI_DMA_TODEVICE);
-			if (pci_dma_mapping_error(priv->pci_dev,
-						  tbd->host_addr)) {
+							DMA_TO_DEVICE);
+			if (dma_mapping_error(&priv->pci_dev->dev, tbd->host_addr)) {
 				IPW_DEBUG_TX("dma mapping error\n");
 				break;
 			}
@@ -3182,10 +3179,10 @@ static void ipw2100_tx_send_data(struct ipw2100_priv *priv)
 				     txq->next, tbd->host_addr,
 				     tbd->buf_length);
 
-			pci_dma_sync_single_for_device(priv->pci_dev,
-						       tbd->host_addr,
-						       tbd->buf_length,
-						       PCI_DMA_TODEVICE);
+			dma_sync_single_for_device(&priv->pci_dev->dev,
+						   tbd->host_addr,
+						   tbd->buf_length,
+						   DMA_TO_DEVICE);
 
 			txq->next++;
 			txq->next %= txq->entries;
@@ -3440,9 +3437,9 @@ static int ipw2100_msg_allocate(struct ipw2100_priv *priv)
 		return -ENOMEM;
 
 	for (i = 0; i < IPW_COMMAND_POOL_SIZE; i++) {
-		v = pci_zalloc_consistent(priv->pci_dev,
-					  sizeof(struct ipw2100_cmd_header),
-					  &p);
+		v = dma_alloc_coherent(&priv->pci_dev->dev,
+				       sizeof(struct ipw2100_cmd_header), &p,
+				       GFP_KERNEL);
 		if (!v) {
 			printk(KERN_ERR DRV_NAME ": "
 			       "%s: PCI alloc failed for msg "
@@ -3461,11 +3458,10 @@ static int ipw2100_msg_allocate(struct ipw2100_priv *priv)
 		return 0;
 
 	for (j = 0; j < i; j++) {
-		pci_free_consistent(priv->pci_dev,
-				    sizeof(struct ipw2100_cmd_header),
-				    priv->msg_buffers[j].info.c_struct.cmd,
-				    priv->msg_buffers[j].info.c_struct.
-				    cmd_phys);
+		dma_free_coherent(&priv->pci_dev->dev,
+				  sizeof(struct ipw2100_cmd_header),
+				  priv->msg_buffers[j].info.c_struct.cmd,
+				  priv->msg_buffers[j].info.c_struct.cmd_phys);
 	}
 
 	kfree(priv->msg_buffers);
@@ -3496,11 +3492,10 @@ static void ipw2100_msg_free(struct ipw2100_priv *priv)
 		return;
 
 	for (i = 0; i < IPW_COMMAND_POOL_SIZE; i++) {
-		pci_free_consistent(priv->pci_dev,
-				    sizeof(struct ipw2100_cmd_header),
-				    priv->msg_buffers[i].info.c_struct.cmd,
-				    priv->msg_buffers[i].info.c_struct.
-				    cmd_phys);
+		dma_free_coherent(&priv->pci_dev->dev,
+				  sizeof(struct ipw2100_cmd_header),
+				  priv->msg_buffers[i].info.c_struct.cmd,
+				  priv->msg_buffers[i].info.c_struct.cmd_phys);
 	}
 
 	kfree(priv->msg_buffers);
@@ -4323,7 +4318,8 @@ static int status_queue_allocate(struct ipw2100_priv *priv, int entries)
 	IPW_DEBUG_INFO("enter\n");
 
 	q->size = entries * sizeof(struct ipw2100_status);
-	q->drv = pci_zalloc_consistent(priv->pci_dev, q->size, &q->nic);
+	q->drv = dma_alloc_coherent(&priv->pci_dev->dev, q->size, &q->nic,
+				    GFP_KERNEL);
 	if (!q->drv) {
 		IPW_DEBUG_WARNING("Can not allocate status queue.\n");
 		return -ENOMEM;
@@ -4339,9 +4335,10 @@ static void status_queue_free(struct ipw2100_priv *priv)
 	IPW_DEBUG_INFO("enter\n");
 
 	if (priv->status_queue.drv) {
-		pci_free_consistent(priv->pci_dev, priv->status_queue.size,
-				    priv->status_queue.drv,
-				    priv->status_queue.nic);
+		dma_free_coherent(&priv->pci_dev->dev,
+				  priv->status_queue.size,
+				  priv->status_queue.drv,
+				  priv->status_queue.nic);
 		priv->status_queue.drv = NULL;
 	}
 
@@ -4357,7 +4354,8 @@ static int bd_queue_allocate(struct ipw2100_priv *priv,
 
 	q->entries = entries;
 	q->size = entries * sizeof(struct ipw2100_bd);
-	q->drv = pci_zalloc_consistent(priv->pci_dev, q->size, &q->nic);
+	q->drv = dma_alloc_coherent(&priv->pci_dev->dev, q->size, &q->nic,
+				    GFP_KERNEL);
 	if (!q->drv) {
 		IPW_DEBUG_INFO
 		    ("can't allocate shared memory for buffer descriptors\n");
@@ -4377,7 +4375,8 @@ static void bd_queue_free(struct ipw2100_priv *priv, struct ipw2100_bd_queue *q)
 		return;
 
 	if (q->drv) {
-		pci_free_consistent(priv->pci_dev, q->size, q->drv, q->nic);
+		dma_free_coherent(&priv->pci_dev->dev, q->size, q->drv,
+				  q->nic);
 		q->drv = NULL;
 	}
 
@@ -4430,16 +4429,16 @@ static int ipw2100_tx_allocate(struct ipw2100_priv *priv)
 
 	priv->tx_buffers = kmalloc_array(TX_PENDED_QUEUE_LENGTH,
 					 sizeof(struct ipw2100_tx_packet),
-					 GFP_ATOMIC);
+					 GFP_KERNEL);
 	if (!priv->tx_buffers) {
 		bd_queue_free(priv, &priv->tx_queue);
 		return -ENOMEM;
 	}
 
 	for (i = 0; i < TX_PENDED_QUEUE_LENGTH; i++) {
-		v = pci_alloc_consistent(priv->pci_dev,
-					 sizeof(struct ipw2100_data_header),
-					 &p);
+		v = dma_alloc_coherent(&priv->pci_dev->dev,
+				       sizeof(struct ipw2100_data_header), &p,
+				       GFP_KERNEL);
 		if (!v) {
 			printk(KERN_ERR DRV_NAME
 			       ": %s: PCI alloc failed for tx " "buffers.\n",
@@ -4459,11 +4458,10 @@ static int ipw2100_tx_allocate(struct ipw2100_priv *priv)
 		return 0;
 
 	for (j = 0; j < i; j++) {
-		pci_free_consistent(priv->pci_dev,
-				    sizeof(struct ipw2100_data_header),
-				    priv->tx_buffers[j].info.d_struct.data,
-				    priv->tx_buffers[j].info.d_struct.
-				    data_phys);
+		dma_free_coherent(&priv->pci_dev->dev,
+				  sizeof(struct ipw2100_data_header),
+				  priv->tx_buffers[j].info.d_struct.data,
+				  priv->tx_buffers[j].info.d_struct.data_phys);
 	}
 
 	kfree(priv->tx_buffers);
@@ -4540,12 +4538,10 @@ static void ipw2100_tx_free(struct ipw2100_priv *priv)
 			priv->tx_buffers[i].info.d_struct.txb = NULL;
 		}
 		if (priv->tx_buffers[i].info.d_struct.data)
-			pci_free_consistent(priv->pci_dev,
-					    sizeof(struct ipw2100_data_header),
-					    priv->tx_buffers[i].info.d_struct.
-					    data,
-					    priv->tx_buffers[i].info.d_struct.
-					    data_phys);
+			dma_free_coherent(&priv->pci_dev->dev,
+					  sizeof(struct ipw2100_data_header),
+					  priv->tx_buffers[i].info.d_struct.data,
+					  priv->tx_buffers[i].info.d_struct.data_phys);
 	}
 
 	kfree(priv->tx_buffers);
@@ -4608,9 +4604,10 @@ static int ipw2100_rx_allocate(struct ipw2100_priv *priv)
 		return 0;
 
 	for (j = 0; j < i; j++) {
-		pci_unmap_single(priv->pci_dev, priv->rx_buffers[j].dma_addr,
+		dma_unmap_single(&priv->pci_dev->dev,
+				 priv->rx_buffers[j].dma_addr,
 				 sizeof(struct ipw2100_rx_packet),
-				 PCI_DMA_FROMDEVICE);
+				 DMA_FROM_DEVICE);
 		dev_kfree_skb(priv->rx_buffers[j].skb);
 	}
 
@@ -4662,10 +4659,10 @@ static void ipw2100_rx_free(struct ipw2100_priv *priv)
 
 	for (i = 0; i < RX_QUEUE_LENGTH; i++) {
 		if (priv->rx_buffers[i].rxp) {
-			pci_unmap_single(priv->pci_dev,
+			dma_unmap_single(&priv->pci_dev->dev,
 					 priv->rx_buffers[i].dma_addr,
 					 sizeof(struct ipw2100_rx),
-					 PCI_DMA_FROMDEVICE);
+					 DMA_FROM_DEVICE);
 			dev_kfree_skb(priv->rx_buffers[i].skb);
 		}
 	}
@@ -6196,7 +6193,7 @@ static int ipw2100_pci_init_one(struct pci_dev *pci_dev,
 	pci_set_master(pci_dev);
 	pci_set_drvdata(pci_dev, priv);
 
-	err = pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32));
+	err = dma_set_mask(&pci_dev->dev, DMA_BIT_MASK(32));
 	if (err) {
 		printk(KERN_WARNING DRV_NAME
 		       "Error calling pci_set_dma_mask.\n");
@@ -6397,10 +6394,9 @@ static void ipw2100_pci_remove_one(struct pci_dev *pci_dev)
 	IPW_DEBUG_INFO("exit\n");
 }
 
-#ifdef CONFIG_PM
-static int ipw2100_suspend(struct pci_dev *pci_dev, pm_message_t state)
+static int __maybe_unused ipw2100_suspend(struct device *dev_d)
 {
-	struct ipw2100_priv *priv = pci_get_drvdata(pci_dev);
+	struct ipw2100_priv *priv = dev_get_drvdata(dev_d);
 	struct net_device *dev = priv->net_dev;
 
 	IPW_DEBUG_INFO("%s: Going into suspend...\n", dev->name);
@@ -6414,10 +6410,6 @@ static int ipw2100_suspend(struct pci_dev *pci_dev, pm_message_t state)
 	/* Remove the PRESENT state of the device */
 	netif_device_detach(dev);
 
-	pci_save_state(pci_dev);
-	pci_disable_device(pci_dev);
-	pci_set_power_state(pci_dev, PCI_D3hot);
-
 	priv->suspend_at = ktime_get_boottime_seconds();
 
 	mutex_unlock(&priv->action_mutex);
@@ -6425,11 +6417,11 @@ static int ipw2100_suspend(struct pci_dev *pci_dev, pm_message_t state)
 	return 0;
 }
 
-static int ipw2100_resume(struct pci_dev *pci_dev)
+static int __maybe_unused ipw2100_resume(struct device *dev_d)
 {
+	struct pci_dev *pci_dev = to_pci_dev(dev_d);
 	struct ipw2100_priv *priv = pci_get_drvdata(pci_dev);
 	struct net_device *dev = priv->net_dev;
-	int err;
 	u32 val;
 
 	if (IPW2100_PM_DISABLED)
@@ -6439,16 +6431,6 @@ static int ipw2100_resume(struct pci_dev *pci_dev)
 
 	IPW_DEBUG_INFO("%s: Coming out of suspend...\n", dev->name);
 
-	pci_set_power_state(pci_dev, PCI_D0);
-	err = pci_enable_device(pci_dev);
-	if (err) {
-		printk(KERN_ERR "%s: pci_enable_device failed on resume\n",
-		       dev->name);
-		mutex_unlock(&priv->action_mutex);
-		return err;
-	}
-	pci_restore_state(pci_dev);
-
 	/*
 	 * Suspend/Resume resets the PCI configuration space, so we have to
 	 * re-disable the RETRY_TIMEOUT register (0x41) to keep PCI Tx retries
@@ -6473,7 +6455,6 @@ static int ipw2100_resume(struct pci_dev *pci_dev)
 
 	return 0;
 }
-#endif
 
 static void ipw2100_shutdown(struct pci_dev *pci_dev)
 {
@@ -6539,15 +6520,14 @@ static const struct pci_device_id ipw2100_pci_id_table[] = {
 
 MODULE_DEVICE_TABLE(pci, ipw2100_pci_id_table);
 
+static SIMPLE_DEV_PM_OPS(ipw2100_pm_ops, ipw2100_suspend, ipw2100_resume);
+
 static struct pci_driver ipw2100_pci_driver = {
 	.name = DRV_NAME,
 	.id_table = ipw2100_pci_id_table,
 	.probe = ipw2100_pci_init_one,
 	.remove = ipw2100_pci_remove_one,
-#ifdef CONFIG_PM
-	.suspend = ipw2100_suspend,
-	.resume = ipw2100_resume,
-#endif
+	.driver.pm = &ipw2100_pm_ops,
 	.shutdown = ipw2100_shutdown,
 };
 
@@ -8352,7 +8332,7 @@ static int ipw2100_mod_firmware_load(struct ipw2100_fw *fw)
 	if (IPW2100_FW_MAJOR(h->version) != IPW2100_FW_MAJOR_VERSION) {
 		printk(KERN_WARNING DRV_NAME ": Firmware image not compatible "
 		       "(detected version id of %u). "
-		       "See Documentation/networking/device_drivers/intel/ipw2100.rst\n",
+		       "See Documentation/networking/device_drivers/wifi/intel/ipw2100.rst\n",
 		       h->version);
 		return 1;
 	}