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authorAndrew Victor <andrew@sanpeople.com>2006-06-20 12:10:57 +0200
committerJeff Garzik <jeff@garzik.org>2006-06-22 22:56:21 -0400
commit427d269f17fd02d192e9ae3bd93bdc07790fa02c (patch)
tree2bb5f446e7e134173a7b83a4940d147dd88a2c19 /drivers/net/arm
parentca5585ed248dc01ce918002ee9a9c9c41ae4f7c0 (diff)
[PATCH] AT91RM9200 Ethernet #3: Cleanup
Moved global ether_clk variable into controller data structure. Patch from David Brownell. Davicom 9161 PHY was being incorrectly displayed as "9196". Patch from Brian Stafford. clk_get() doesn't return NULL on error, so the return value needs to be tested with IS_ERR(). Whitespace cleanup. Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/arm')
-rw-r--r--drivers/net/arm/at91_ether.c29
-rw-r--r--drivers/net/arm/at91_ether.h1
2 files changed, 16 insertions, 14 deletions
diff --git a/drivers/net/arm/at91_ether.c b/drivers/net/arm/at91_ether.c
index cc773662d9f..d081241f613 100644
--- a/drivers/net/arm/at91_ether.c
+++ b/drivers/net/arm/at91_ether.c
@@ -43,7 +43,6 @@
#define DRV_VERSION "1.0"
static struct net_device *at91_dev;
-static struct clk *ether_clk;
static struct timer_list check_timer;
#define LINK_POLL_INTERVAL (HZ)
@@ -519,7 +518,7 @@ static int hash_get_index(__u8 *addr)
hash_index |= (bitval << j);
}
- return hash_index;
+ return hash_index;
}
/*
@@ -575,10 +574,8 @@ static void at91ether_set_rx_mode(struct net_device *dev)
at91_emac_write(AT91_EMAC_CFG, cfg);
}
-
/* ......................... ETHTOOL SUPPORT ........................... */
-
static int mdio_read(struct net_device *dev, int phy_id, int location)
{
unsigned int value;
@@ -719,10 +716,10 @@ static int at91ether_open(struct net_device *dev)
struct at91_private *lp = (struct at91_private *) dev->priv;
unsigned long ctl;
- if (!is_valid_ether_addr(dev->dev_addr))
- return -EADDRNOTAVAIL;
+ if (!is_valid_ether_addr(dev->dev_addr))
+ return -EADDRNOTAVAIL;
- clk_enable(ether_clk); /* Re-enable Peripheral clock */
+ clk_enable(lp->ether_clk); /* Re-enable Peripheral clock */
/* Clear internal statistics */
ctl = at91_emac_read(AT91_EMAC_CTL);
@@ -756,6 +753,7 @@ static int at91ether_open(struct net_device *dev)
*/
static int at91ether_close(struct net_device *dev)
{
+ struct at91_private *lp = (struct at91_private *) dev->priv;
unsigned long ctl;
/* Disable Receiver and Transmitter */
@@ -772,7 +770,7 @@ static int at91ether_close(struct net_device *dev)
netif_stop_queue(dev);
- clk_disable(ether_clk); /* Disable Peripheral clock */
+ clk_disable(lp->ether_clk); /* Disable Peripheral clock */
return 0;
}
@@ -904,7 +902,7 @@ static irqreturn_t at91ether_interrupt(int irq, void *dev_id, struct pt_regs *re
if (intstatus & AT91_EMAC_RCOM) /* Receive complete */
at91ether_rx(dev);
- if (intstatus & AT91_EMAC_TCOM) { /* Transmit complete */
+ if (intstatus & AT91_EMAC_TCOM) { /* Transmit complete */
/* The TCOM bit is set even if the transmission failed. */
if (intstatus & (AT91_EMAC_TUND | AT91_EMAC_RTRY))
lp->stats.tx_errors += 1;
@@ -933,7 +931,8 @@ static irqreturn_t at91ether_interrupt(int irq, void *dev_id, struct pt_regs *re
/*
* Initialize the ethernet interface
*/
-static int __init at91ether_setup(unsigned long phy_type, unsigned short phy_address, struct platform_device *pdev)
+static int __init at91ether_setup(unsigned long phy_type, unsigned short phy_address,
+ struct platform_device *pdev, struct clk *ether_clk)
{
struct at91_eth_data *board_data = pdev->dev.platform_data;
struct net_device *dev;
@@ -967,6 +966,7 @@ static int __init at91ether_setup(unsigned long phy_type, unsigned short phy_add
return -ENOMEM;
}
lp->board_data = *board_data;
+ lp->ether_clk = ether_clk;
platform_set_drvdata(pdev, dev);
spin_lock_init(&lp->lock);
@@ -1050,7 +1050,7 @@ static int __init at91ether_setup(unsigned long phy_type, unsigned short phy_add
dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
if ((phy_type == MII_DM9161_ID) || (lp->phy_type == MII_DM9161A_ID))
- printk(KERN_INFO "%s: Davicom 9196 PHY %s\n", dev->name, (lp->phy_media == PORT_FIBRE) ? "(Fiber)" : "(Copper)");
+ printk(KERN_INFO "%s: Davicom 9161 PHY %s\n", dev->name, (lp->phy_media == PORT_FIBRE) ? "(Fiber)" : "(Copper)");
else if (phy_type == MII_LXT971A_ID)
printk(KERN_INFO "%s: Intel LXT971A PHY\n", dev->name);
else if (phy_type == MII_RTL8201_ID)
@@ -1076,9 +1076,10 @@ static int __init at91ether_probe(struct platform_device *pdev)
int detected = -1;
unsigned long phy_id;
unsigned short phy_address = 0;
+ struct clk *ether_clk;
ether_clk = clk_get(&pdev->dev, "ether_clk");
- if (!ether_clk) {
+ if (IS_ERR(ether_clk)) {
printk(KERN_ERR "at91_ether: no clock defined\n");
return -ENODEV;
}
@@ -1101,7 +1102,7 @@ static int __init at91ether_probe(struct platform_device *pdev)
case MII_DP83847_ID: /* National Semiconductor DP83847: */
case MII_AC101L_ID: /* Altima AC101L: PHY_ID1 = 0x22, PHY_ID2 = 0x5520 */
case MII_KS8721_ID: /* Micrel KS8721: PHY_ID1 = 0x22, PHY_ID2 = 0x1610 */
- detected = at91ether_setup(phy_id, phy_address, pdev);
+ detected = at91ether_setup(phy_id, phy_address, pdev, ether_clk);
break;
}
@@ -1120,7 +1121,7 @@ static int __devexit at91ether_remove(struct platform_device *pdev)
unregister_netdev(at91_dev);
free_irq(at91_dev->irq, at91_dev);
dma_free_coherent(NULL, sizeof(struct recv_desc_bufs), lp->dlist, (dma_addr_t)lp->dlist_phys);
- clk_put(ether_clk);
+ clk_put(lp->ether_clk);
free_netdev(at91_dev);
at91_dev = NULL;
diff --git a/drivers/net/arm/at91_ether.h b/drivers/net/arm/at91_ether.h
index 9885735c9c8..d1e72e02be3 100644
--- a/drivers/net/arm/at91_ether.h
+++ b/drivers/net/arm/at91_ether.h
@@ -80,6 +80,7 @@ struct at91_private
struct net_device_stats stats;
struct mii_if_info mii; /* ethtool support */
struct at91_eth_data board_data; /* board-specific configuration */
+ struct clk *ether_clk; /* clock */
/* PHY */
unsigned long phy_type; /* type of PHY (PHY_ID) */