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path: root/drivers/net/ethernet
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Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r--drivers/net/ethernet/broadcom/tg3.c10
-rw-r--r--drivers/net/ethernet/dec/tulip/interrupt.c6
-rw-r--r--drivers/net/ethernet/emulex/benet/be_main.c3
-rw-r--r--drivers/net/ethernet/renesas/sh_eth.c15
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_main.c2
-rw-r--r--drivers/net/ethernet/ti/davinci_mdio.c9
6 files changed, 34 insertions, 11 deletions
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 0f493c8dc28..c777b901316 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -1800,6 +1800,9 @@ static int tg3_poll_fw(struct tg3 *tp)
int i;
u32 val;
+ if (tg3_flag(tp, NO_FWARE_REPORTED))
+ return 0;
+
if (tg3_flag(tp, IS_SSB_CORE)) {
/* We don't use firmware. */
return 0;
@@ -10404,6 +10407,13 @@ static int tg3_reset_hw(struct tg3 *tp, bool reset_phy)
*/
static int tg3_init_hw(struct tg3 *tp, bool reset_phy)
{
+ /* Chip may have been just powered on. If so, the boot code may still
+ * be running initialization. Wait for it to finish to avoid races in
+ * accessing the hardware.
+ */
+ tg3_enable_register_access(tp);
+ tg3_poll_fw(tp);
+
tg3_switch_clocks(tp);
tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
diff --git a/drivers/net/ethernet/dec/tulip/interrupt.c b/drivers/net/ethernet/dec/tulip/interrupt.c
index 28a5e425fec..92306b32084 100644
--- a/drivers/net/ethernet/dec/tulip/interrupt.c
+++ b/drivers/net/ethernet/dec/tulip/interrupt.c
@@ -76,6 +76,12 @@ int tulip_refill_rx(struct net_device *dev)
mapping = pci_map_single(tp->pdev, skb->data, PKT_BUF_SZ,
PCI_DMA_FROMDEVICE);
+ if (dma_mapping_error(&tp->pdev->dev, mapping)) {
+ dev_kfree_skb(skb);
+ tp->rx_buffers[entry].skb = NULL;
+ break;
+ }
+
tp->rx_buffers[entry].mapping = mapping;
tp->rx_ring[entry].buffer1 = cpu_to_le32(mapping);
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index 8bc1b21b1c7..a0b4be51f0d 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -4262,6 +4262,9 @@ static int be_probe(struct pci_dev *pdev, const struct pci_device_id *pdev_id)
netdev->features |= NETIF_F_HIGHDMA;
} else {
status = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
+ if (!status)
+ status = dma_set_coherent_mask(&pdev->dev,
+ DMA_BIT_MASK(32));
if (status) {
dev_err(&pdev->dev, "Could not set PCI DMA Mask\n");
goto free_netdev;
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index b4479b5aaee..5e3982fc539 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -1401,16 +1401,23 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status)
desc_status = edmac_to_cpu(mdp, rxdesc->status);
pkt_len = rxdesc->frame_length;
-#if defined(CONFIG_ARCH_R8A7740)
- desc_status >>= 16;
-#endif
-
if (--boguscnt < 0)
break;
if (!(desc_status & RDFEND))
ndev->stats.rx_length_errors++;
+#if defined(CONFIG_ARCH_R8A7740)
+ /*
+ * In case of almost all GETHER/ETHERs, the Receive Frame State
+ * (RFS) bits in the Receive Descriptor 0 are from bit 9 to
+ * bit 0. However, in case of the R8A7740's GETHER, the RFS
+ * bits are from bit 25 to bit 16. So, the driver needs right
+ * shifting by 16.
+ */
+ desc_status >>= 16;
+#endif
+
if (desc_status & (RD_RFS1 | RD_RFS2 | RD_RFS3 | RD_RFS4 |
RD_RFS5 | RD_RFS6 | RD_RFS10)) {
ndev->stats.rx_errors++;
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 618446ae1ec..ee919ca8b8a 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -1899,7 +1899,7 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev)
#ifdef STMMAC_XMIT_DEBUG
if (netif_msg_pktdata(priv)) {
- pr_info("%s: curr %d dirty=%d entry=%d, first=%p, nfrags=%d"
+ pr_info("%s: curr %d dirty=%d entry=%d, first=%p, nfrags=%d",
__func__, (priv->cur_tx % txsize),
(priv->dirty_tx % txsize), entry, first, nfrags);
if (priv->extend_desc)
diff --git a/drivers/net/ethernet/ti/davinci_mdio.c b/drivers/net/ethernet/ti/davinci_mdio.c
index b2275d1b19b..c47f0dbcebb 100644
--- a/drivers/net/ethernet/ti/davinci_mdio.c
+++ b/drivers/net/ethernet/ti/davinci_mdio.c
@@ -459,15 +459,12 @@ static int davinci_mdio_suspend(struct device *dev)
static int davinci_mdio_resume(struct device *dev)
{
struct davinci_mdio_data *data = dev_get_drvdata(dev);
- u32 ctrl;
pm_runtime_get_sync(data->dev);
spin_lock(&data->lock);
/* restart the scan state machine */
- ctrl = __raw_readl(&data->regs->control);
- ctrl |= CONTROL_ENABLE;
- __raw_writel(ctrl, &data->regs->control);
+ __davinci_mdio_reset(data);
data->suspended = false;
spin_unlock(&data->lock);
@@ -476,8 +473,8 @@ static int davinci_mdio_resume(struct device *dev)
}
static const struct dev_pm_ops davinci_mdio_pm_ops = {
- .suspend = davinci_mdio_suspend,
- .resume = davinci_mdio_resume,
+ .suspend_late = davinci_mdio_suspend,
+ .resume_early = davinci_mdio_resume,
};
static const struct of_device_id davinci_mdio_of_mtable[] = {