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path: root/drivers/net/ethernet/marvell/sky2.c
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Diffstat (limited to 'drivers/net/ethernet/marvell/sky2.c')
-rw-r--r--drivers/net/ethernet/marvell/sky2.c28
1 files changed, 21 insertions, 7 deletions
diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c
index 55a37ae11440..b81106451a0a 100644
--- a/drivers/net/ethernet/marvell/sky2.c
+++ b/drivers/net/ethernet/marvell/sky2.c
@@ -44,6 +44,8 @@
#include <linux/prefetch.h>
#include <linux/debugfs.h>
#include <linux/mii.h>
+#include <linux/of_device.h>
+#include <linux/of_net.h>
#include <asm/irq.h>
@@ -2000,7 +2002,7 @@ mapping_unwind:
mapping_error:
if (net_ratelimit())
dev_warn(&hw->pdev->dev, "%s: tx mapping error\n", dev->name);
- dev_kfree_skb(skb);
+ dev_kfree_skb_any(skb);
return NETDEV_TX_OK;
}
@@ -2733,6 +2735,9 @@ static int sky2_status_intr(struct sky2_hw *hw, int to_do, u16 idx)
unsigned int total_bytes[2] = { 0 };
unsigned int total_packets[2] = { 0 };
+ if (to_do <= 0)
+ return work_done;
+
rmb();
do {
struct sky2_port *sky2;
@@ -3906,19 +3911,19 @@ static struct rtnl_link_stats64 *sky2_get_stats(struct net_device *dev,
u64 _bytes, _packets;
do {
- start = u64_stats_fetch_begin_bh(&sky2->rx_stats.syncp);
+ start = u64_stats_fetch_begin_irq(&sky2->rx_stats.syncp);
_bytes = sky2->rx_stats.bytes;
_packets = sky2->rx_stats.packets;
- } while (u64_stats_fetch_retry_bh(&sky2->rx_stats.syncp, start));
+ } while (u64_stats_fetch_retry_irq(&sky2->rx_stats.syncp, start));
stats->rx_packets = _packets;
stats->rx_bytes = _bytes;
do {
- start = u64_stats_fetch_begin_bh(&sky2->tx_stats.syncp);
+ start = u64_stats_fetch_begin_irq(&sky2->tx_stats.syncp);
_bytes = sky2->tx_stats.bytes;
_packets = sky2->tx_stats.packets;
- } while (u64_stats_fetch_retry_bh(&sky2->tx_stats.syncp, start));
+ } while (u64_stats_fetch_retry_irq(&sky2->tx_stats.syncp, start));
stats->tx_packets = _packets;
stats->tx_bytes = _bytes;
@@ -4748,6 +4753,7 @@ static struct net_device *sky2_init_netdev(struct sky2_hw *hw, unsigned port,
{
struct sky2_port *sky2;
struct net_device *dev = alloc_etherdev(sizeof(*sky2));
+ const void *iap;
if (!dev)
return NULL;
@@ -4805,8 +4811,16 @@ static struct net_device *sky2_init_netdev(struct sky2_hw *hw, unsigned port,
dev->features |= dev->hw_features;
- /* read the mac address */
- memcpy_fromio(dev->dev_addr, hw->regs + B2_MAC_1 + port * 8, ETH_ALEN);
+ /* try to get mac address in the following order:
+ * 1) from device tree data
+ * 2) from internal registers set by bootloader
+ */
+ iap = of_get_mac_address(hw->pdev->dev.of_node);
+ if (iap)
+ memcpy(dev->dev_addr, iap, ETH_ALEN);
+ else
+ memcpy_fromio(dev->dev_addr, hw->regs + B2_MAC_1 + port * 8,
+ ETH_ALEN);
return dev;
}