3 files changed, 32 insertions, 1 deletions

diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index 21a5b291b4b3..da4415d9dee6 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -35,6 +35,7 @@
 #include <linux/if_vlan.h>
 
 #include <linux/platform_data/cpsw.h>
+#include <linux/pinctrl/consumer.h>
 
 #include "cpsw_ale.h"
 #include "cpts.h"
@@ -1679,7 +1680,7 @@ static int cpsw_probe(struct platform_device *pdev)
 	priv->rx_packet_max = max(rx_packet_max, 128);
 	priv->cpts = devm_kzalloc(&pdev->dev, sizeof(struct cpts), GFP_KERNEL);
 	priv->irq_enabled = true;
-	if (!ndev) {
+	if (!priv->cpts) {
 		pr_err("error allocating cpts\n");
 		goto clean_ndev_ret;
 	}
@@ -1689,6 +1690,9 @@ static int cpsw_probe(struct platform_device *pdev)
 	 */
 	pm_runtime_enable(&pdev->dev);
 
+	/* Select default pin state */
+	pinctrl_pm_select_default_state(&pdev->dev);
+
 	if (cpsw_probe_dt(&priv->data, pdev)) {
 		pr_err("cpsw: platform data missing\n");
 		ret = -ENODEV;
@@ -1973,11 +1977,17 @@ static int cpsw_suspend(struct device *dev)
 {
 	struct platform_device	*pdev = to_platform_device(dev);
 	struct net_device	*ndev = platform_get_drvdata(pdev);
+	struct cpsw_priv	*priv = netdev_priv(ndev);
 
 	if (netif_running(ndev))
 		cpsw_ndo_stop(ndev);
+	soft_reset("sliver 0", &priv->slaves[0].sliver->soft_reset);
+	soft_reset("sliver 1", &priv->slaves[1].sliver->soft_reset);
 	pm_runtime_put_sync(&pdev->dev);
 
+	/* Select sleep pin state */
+	pinctrl_pm_select_sleep_state(&pdev->dev);
+
 	return 0;
 }
 
@@ -1987,6 +1997,10 @@ static int cpsw_resume(struct device *dev)
 	struct net_device	*ndev = platform_get_drvdata(pdev);
 
 	pm_runtime_get_sync(&pdev->dev);
+
+	/* Select default pin state */
+	pinctrl_pm_select_default_state(&pdev->dev);
+
 	if (netif_running(ndev))
 		cpsw_ndo_open(ndev);
 	return 0;
diff --git a/drivers/net/ethernet/ti/davinci_cpdma.c b/drivers/net/ethernet/ti/davinci_cpdma.c
index 49dfd592ac1e..053c84fd0853 100644
--- a/drivers/net/ethernet/ti/davinci_cpdma.c
+++ b/drivers/net/ethernet/ti/davinci_cpdma.c
@@ -705,6 +705,13 @@ int cpdma_chan_submit(struct cpdma_chan *chan, void *token, void *data,
 	}
 
 	buffer = dma_map_single(ctlr->dev, data, len, chan->dir);
+	ret = dma_mapping_error(ctlr->dev, buffer);
+	if (ret) {
+		cpdma_desc_free(ctlr->pool, desc, 1);
+		ret = -EINVAL;
+		goto unlock_ret;
+	}
+
 	mode = CPDMA_DESC_OWNER | CPDMA_DESC_SOP | CPDMA_DESC_EOP;
 	cpdma_desc_to_port(chan, mode, directed);
 
diff --git a/drivers/net/ethernet/ti/davinci_mdio.c b/drivers/net/ethernet/ti/davinci_mdio.c
index c47f0dbcebb5..ce7c4991e41c 100644
--- a/drivers/net/ethernet/ti/davinci_mdio.c
+++ b/drivers/net/ethernet/ti/davinci_mdio.c
@@ -38,6 +38,7 @@
 #include <linux/davinci_emac.h>
 #include <linux/of.h>
 #include <linux/of_device.h>
+#include <linux/pinctrl/consumer.h>
 
 /*
  * This timeout definition is a worst-case ultra defensive measure against
@@ -347,6 +348,9 @@ static int davinci_mdio_probe(struct platform_device *pdev)
 	data->bus->parent	= dev;
 	data->bus->priv		= data;
 
+	/* Select default pin state */
+	pinctrl_pm_select_default_state(&pdev->dev);
+
 	pm_runtime_enable(&pdev->dev);
 	pm_runtime_get_sync(&pdev->dev);
 	data->clk = clk_get(&pdev->dev, "fck");
@@ -453,6 +457,9 @@ static int davinci_mdio_suspend(struct device *dev)
 	spin_unlock(&data->lock);
 	pm_runtime_put_sync(data->dev);
 
+	/* Select sleep pin state */
+	pinctrl_pm_select_sleep_state(dev);
+
 	return 0;
 }
 
@@ -460,6 +467,9 @@ static int davinci_mdio_resume(struct device *dev)
 {
 	struct davinci_mdio_data *data = dev_get_drvdata(dev);
 
+	/* Select default pin state */
+	pinctrl_pm_select_default_state(dev);
+
 	pm_runtime_get_sync(data->dev);
 
 	spin_lock(&data->lock);