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path: root/drivers/net/au1000_eth.c
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Diffstat (limited to 'drivers/net/au1000_eth.c')
-rw-r--r--drivers/net/au1000_eth.c103
1 files changed, 57 insertions, 46 deletions
diff --git a/drivers/net/au1000_eth.c b/drivers/net/au1000_eth.c
index df3eee11cd95..a2d86cf62760 100644
--- a/drivers/net/au1000_eth.c
+++ b/drivers/net/au1000_eth.c
@@ -357,6 +357,7 @@ static int au1000_mii_probe(struct net_device *dev)
{
struct au1000_private *const aup = netdev_priv(dev);
struct phy_device *phydev = NULL;
+ int phy_addr;
if (aup->phy_static_config) {
BUG_ON(aup->mac_id < 0 || aup->mac_id > 1);
@@ -366,42 +367,45 @@ static int au1000_mii_probe(struct net_device *dev)
else
netdev_info(dev, "using PHY-less setup\n");
return 0;
- } else {
- int phy_addr;
-
- /* find the first (lowest address) PHY on the current MAC's MII bus */
- for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++)
- if (aup->mii_bus->phy_map[phy_addr]) {
- phydev = aup->mii_bus->phy_map[phy_addr];
- if (!aup->phy_search_highest_addr)
- break; /* break out with first one found */
- }
-
- if (aup->phy1_search_mac0) {
- /* try harder to find a PHY */
- if (!phydev && (aup->mac_id == 1)) {
- /* no PHY found, maybe we have a dual PHY? */
- dev_info(&dev->dev, ": no PHY found on MAC1, "
- "let's see if it's attached to MAC0...\n");
-
- /* find the first (lowest address) non-attached PHY on
- * the MAC0 MII bus */
- for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) {
- struct phy_device *const tmp_phydev =
- aup->mii_bus->phy_map[phy_addr];
-
- if (aup->mac_id == 1)
- break;
-
- if (!tmp_phydev)
- continue; /* no PHY here... */
+ }
- if (tmp_phydev->attached_dev)
- continue; /* already claimed by MAC0 */
+ /* find the first (lowest address) PHY
+ * on the current MAC's MII bus */
+ for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++)
+ if (aup->mii_bus->phy_map[phy_addr]) {
+ phydev = aup->mii_bus->phy_map[phy_addr];
+ if (!aup->phy_search_highest_addr)
+ /* break out with first one found */
+ break;
+ }
- phydev = tmp_phydev;
- break; /* found it */
- }
+ if (aup->phy1_search_mac0) {
+ /* try harder to find a PHY */
+ if (!phydev && (aup->mac_id == 1)) {
+ /* no PHY found, maybe we have a dual PHY? */
+ dev_info(&dev->dev, ": no PHY found on MAC1, "
+ "let's see if it's attached to MAC0...\n");
+
+ /* find the first (lowest address) non-attached
+ * PHY on the MAC0 MII bus
+ */
+ for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) {
+ struct phy_device *const tmp_phydev =
+ aup->mii_bus->phy_map[phy_addr];
+
+ if (aup->mac_id == 1)
+ break;
+
+ /* no PHY here... */
+ if (!tmp_phydev)
+ continue;
+
+ /* already claimed by MAC0 */
+ if (tmp_phydev->attached_dev)
+ continue;
+
+ phydev = tmp_phydev;
+ break; /* found it */
}
}
}
@@ -524,11 +528,13 @@ au1000_setup_hw_rings(struct au1000_private *aup, u32 rx_base, u32 tx_base)
for (i = 0; i < NUM_RX_DMA; i++) {
aup->rx_dma_ring[i] =
- (volatile struct rx_dma *) (rx_base + sizeof(struct rx_dma)*i);
+ (volatile struct rx_dma *)
+ (rx_base + sizeof(struct rx_dma)*i);
}
for (i = 0; i < NUM_TX_DMA; i++) {
aup->tx_dma_ring[i] =
- (volatile struct tx_dma *) (tx_base + sizeof(struct tx_dma)*i);
+ (volatile struct tx_dma *)
+ (tx_base + sizeof(struct tx_dma)*i);
}
}
@@ -625,6 +631,7 @@ static int au1000_init(struct net_device *dev)
aup->mac->mac_addr_low = dev->dev_addr[3]<<24 | dev->dev_addr[2]<<16 |
dev->dev_addr[1]<<8 | dev->dev_addr[0];
+
for (i = 0; i < NUM_RX_DMA; i++)
aup->rx_dma_ring[i]->buff_stat |= RX_DMA_ENABLE;
@@ -936,8 +943,7 @@ static void au1000_multicast_list(struct net_device *dev)
{
struct au1000_private *aup = netdev_priv(dev);
- netif_dbg(aup, drv, dev, "au1000_multicast_list: flags=%x\n", dev->flags);
-
+ netif_dbg(aup, drv, dev, "%s: flags=%x\n", __func__, dev->flags);
if (dev->flags & IFF_PROMISC) { /* Set promiscuous. */
aup->mac->control |= MAC_PROMISCUOUS;
} else if ((dev->flags & IFF_ALLMULTI) ||
@@ -1016,13 +1022,15 @@ static int __devinit au1000_probe(struct platform_device *pdev)
goto out;
}
- if (!request_mem_region(base->start, resource_size(base), pdev->name)) {
+ if (!request_mem_region(base->start, resource_size(base),
+ pdev->name)) {
dev_err(&pdev->dev, "failed to request memory region for base registers\n");
err = -ENXIO;
goto out;
}
- if (!request_mem_region(macen->start, resource_size(macen), pdev->name)) {
+ if (!request_mem_region(macen->start, resource_size(macen),
+ pdev->name)) {
dev_err(&pdev->dev, "failed to request memory region for MAC enable register\n");
err = -ENXIO;
goto err_request;
@@ -1040,7 +1048,8 @@ static int __devinit au1000_probe(struct platform_device *pdev)
aup = netdev_priv(dev);
spin_lock_init(&aup->lock);
- aup->msg_enable = (au1000_debug < 4 ? AU1000_DEF_MSG_ENABLE : au1000_debug);
+ aup->msg_enable = (au1000_debug < 4 ?
+ AU1000_DEF_MSG_ENABLE : au1000_debug);
/* Allocate the data buffers */
/* Snooping works fine with eth on all au1xxx */
@@ -1054,7 +1063,8 @@ static int __devinit au1000_probe(struct platform_device *pdev)
}
/* aup->mac is the base address of the MAC's registers */
- aup->mac = (volatile struct mac_reg *)ioremap_nocache(base->start, resource_size(base));
+ aup->mac = (volatile struct mac_reg *)
+ ioremap_nocache(base->start, resource_size(base));
if (!aup->mac) {
dev_err(&pdev->dev, "failed to ioremap MAC registers\n");
err = -ENXIO;
@@ -1062,7 +1072,8 @@ static int __devinit au1000_probe(struct platform_device *pdev)
}
/* Setup some variables for quick register address access */
- aup->enable = (volatile u32 *)ioremap_nocache(macen->start, resource_size(macen));
+ aup->enable = (volatile u32 *)ioremap_nocache(macen->start,
+ resource_size(macen));
if (!aup->enable) {
dev_err(&pdev->dev, "failed to ioremap MAC enable register\n");
err = -ENXIO;
@@ -1083,7 +1094,8 @@ static int __devinit au1000_probe(struct platform_device *pdev)
pd = pdev->dev.platform_data;
if (!pd) {
- dev_info(&pdev->dev, "no platform_data passed, PHY search on MAC0\n");
+ dev_info(&pdev->dev, "no platform_data passed,"
+ " PHY search on MAC0\n");
aup->phy1_search_mac0 = 1;
} else {
if (is_valid_ether_addr(pd->mac))
@@ -1098,8 +1110,7 @@ static int __devinit au1000_probe(struct platform_device *pdev)
}
if (aup->phy_busid && aup->phy_busid > 0) {
- dev_err(&pdev->dev, "MAC0-associated PHY attached 2nd MACs MII"
- "bus not supported yet\n");
+ dev_err(&pdev->dev, "MAC0-associated PHY attached 2nd MACs MII bus not supported yet\n");
err = -ENODEV;
goto err_mdiobus_alloc;
}
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