5 files changed, 13 insertions, 30 deletions

diff --git a/drivers/net/ethernet/qualcomm/emac/emac-mac.c b/drivers/net/ethernet/qualcomm/emac/emac-mac.c
index 707665b62eb7..bebe38d74d66 100644
--- a/drivers/net/ethernet/qualcomm/emac/emac-mac.c
+++ b/drivers/net/ethernet/qualcomm/emac/emac-mac.c
@@ -1385,15 +1385,13 @@ static void emac_tx_fill_tpd(struct emac_adapter *adpt,
 	}
 
 	for (i = 0; i < nr_frags; i++) {
-		struct skb_frag_struct *frag;
-
-		frag = &skb_shinfo(skb)->frags[i];
+		skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
 
 		tpbuf = GET_TPD_BUFFER(tx_q, tx_q->tpd.produce_idx);
-		tpbuf->length = frag->size;
-		tpbuf->dma_addr = dma_map_page(adpt->netdev->dev.parent,
-					       frag->page.p, frag->page_offset,
-					       tpbuf->length, DMA_TO_DEVICE);
+		tpbuf->length = skb_frag_size(frag);
+		tpbuf->dma_addr = skb_frag_dma_map(adpt->netdev->dev.parent,
+						   frag, 0, tpbuf->length,
+						   DMA_TO_DEVICE);
 		ret = dma_mapping_error(adpt->netdev->dev.parent,
 					tpbuf->dma_addr);
 		if (ret)
diff --git a/drivers/net/ethernet/qualcomm/emac/emac.c b/drivers/net/ethernet/qualcomm/emac/emac.c
index 59c2349b59df..c84ab052ef26 100644
--- a/drivers/net/ethernet/qualcomm/emac/emac.c
+++ b/drivers/net/ethernet/qualcomm/emac/emac.c
@@ -544,7 +544,6 @@ static int emac_probe_resources(struct platform_device *pdev,
 				struct emac_adapter *adpt)
 {
 	struct net_device *netdev = adpt->netdev;
-	struct resource *res;
 	char maddr[ETH_ALEN];
 	int ret = 0;
 
@@ -556,22 +555,17 @@ static int emac_probe_resources(struct platform_device *pdev,
 
 	/* Core 0 interrupt */
 	ret = platform_get_irq(pdev, 0);
-	if (ret < 0) {
-		dev_err(&pdev->dev,
-			"error: missing core0 irq resource (error=%i)\n", ret);
+	if (ret < 0)
 		return ret;
-	}
 	adpt->irq.irq = ret;
 
 	/* base register address */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	adpt->base = devm_ioremap_resource(&pdev->dev, res);
+	adpt->base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(adpt->base))
 		return PTR_ERR(adpt->base);
 
 	/* CSR register address */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-	adpt->csr = devm_ioremap_resource(&pdev->dev, res);
+	adpt->csr = devm_platform_ioremap_resource(pdev, 1);
 	if (IS_ERR(adpt->csr))
 		return PTR_ERR(adpt->csr);
 
diff --git a/drivers/net/ethernet/qualcomm/qca_debug.c b/drivers/net/ethernet/qualcomm/qca_debug.c
index bcb890b18a94..702aa217a27a 100644
--- a/drivers/net/ethernet/qualcomm/qca_debug.c
+++ b/drivers/net/ethernet/qualcomm/qca_debug.c
@@ -131,17 +131,10 @@ DEFINE_SHOW_ATTRIBUTE(qcaspi_info);
 void
 qcaspi_init_device_debugfs(struct qcaspi *qca)
 {
-	struct dentry *device_root;
+	qca->device_root = debugfs_create_dir(dev_name(&qca->net_dev->dev),
+					      NULL);
 
-	device_root = debugfs_create_dir(dev_name(&qca->net_dev->dev), NULL);
-	qca->device_root = device_root;
-
-	if (IS_ERR(device_root) || !device_root) {
-		pr_warn("failed to create debugfs directory for %s\n",
-			dev_name(&qca->net_dev->dev));
-		return;
-	}
-	debugfs_create_file("info", S_IFREG | 0444, device_root, qca,
+	debugfs_create_file("info", S_IFREG | 0444, qca->device_root, qca,
 			    &qcaspi_info_fops);
 }
 
diff --git a/drivers/net/ethernet/qualcomm/qca_spi.c b/drivers/net/ethernet/qualcomm/qca_spi.c
index b28360bc2255..5ecf61df78bd 100644
--- a/drivers/net/ethernet/qualcomm/qca_spi.c
+++ b/drivers/net/ethernet/qualcomm/qca_spi.c
@@ -837,8 +837,7 @@ qcaspi_netdev_uninit(struct net_device *dev)
 
 	kfree(qca->rx_buffer);
 	qca->buffer_size = 0;
-	if (qca->rx_skb)
-		dev_kfree_skb(qca->rx_skb);
+	dev_kfree_skb(qca->rx_skb);
 }
 
 static const struct net_device_ops qcaspi_netdev_ops = {
diff --git a/drivers/net/ethernet/qualcomm/qca_uart.c b/drivers/net/ethernet/qualcomm/qca_uart.c
index 590616846cd1..0981068504fa 100644
--- a/drivers/net/ethernet/qualcomm/qca_uart.c
+++ b/drivers/net/ethernet/qualcomm/qca_uart.c
@@ -285,8 +285,7 @@ static void qcauart_netdev_uninit(struct net_device *dev)
 {
 	struct qcauart *qca = netdev_priv(dev);
 
-	if (qca->rx_skb)
-		dev_kfree_skb(qca->rx_skb);
+	dev_kfree_skb(qca->rx_skb);
 }
 
 static const struct net_device_ops qcauart_netdev_ops = {