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authorDavid Vrabel <david.vrabel@csr.com>2009-01-02 13:17:13 +0000
committerDavid Vrabel <david.vrabel@csr.com>2009-01-02 13:17:13 +0000
commitb21a207141d83a06abc5f492b80204602e02ca44 (patch)
treef0152cde543008c72d7eb5c12c18095ad92785e6 /drivers/net/enc28j60.c
parent3af373021fa32f8f787bfbdcc1a9277a287bde4e (diff)
parentb58602a4bac012b5f4fc12fe6b46ab237b610d5d (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-upstream
Conflicts: drivers/uwb/wlp/eda.c
Diffstat (limited to 'drivers/net/enc28j60.c')
-rw-r--r--drivers/net/enc28j60.c67
1 files changed, 45 insertions, 22 deletions
diff --git a/drivers/net/enc28j60.c b/drivers/net/enc28j60.c
index e1b441effbb..b0ef46c51a9 100644
--- a/drivers/net/enc28j60.c
+++ b/drivers/net/enc28j60.c
@@ -196,16 +196,32 @@ static void enc28j60_soft_reset(struct enc28j60_net *priv)
*/
static void enc28j60_set_bank(struct enc28j60_net *priv, u8 addr)
{
- if ((addr & BANK_MASK) != priv->bank) {
- u8 b = (addr & BANK_MASK) >> 5;
+ u8 b = (addr & BANK_MASK) >> 5;
- if (b != (ECON1_BSEL1 | ECON1_BSEL0))
+ /* These registers (EIE, EIR, ESTAT, ECON2, ECON1)
+ * are present in all banks, no need to switch bank
+ */
+ if (addr >= EIE && addr <= ECON1)
+ return;
+
+ /* Clear or set each bank selection bit as needed */
+ if ((b & ECON1_BSEL0) != (priv->bank & ECON1_BSEL0)) {
+ if (b & ECON1_BSEL0)
+ spi_write_op(priv, ENC28J60_BIT_FIELD_SET, ECON1,
+ ECON1_BSEL0);
+ else
spi_write_op(priv, ENC28J60_BIT_FIELD_CLR, ECON1,
- ECON1_BSEL1 | ECON1_BSEL0);
- if (b != 0)
- spi_write_op(priv, ENC28J60_BIT_FIELD_SET, ECON1, b);
- priv->bank = (addr & BANK_MASK);
+ ECON1_BSEL0);
}
+ if ((b & ECON1_BSEL1) != (priv->bank & ECON1_BSEL1)) {
+ if (b & ECON1_BSEL1)
+ spi_write_op(priv, ENC28J60_BIT_FIELD_SET, ECON1,
+ ECON1_BSEL1);
+ else
+ spi_write_op(priv, ENC28J60_BIT_FIELD_CLR, ECON1,
+ ECON1_BSEL1);
+ }
+ priv->bank = b;
}
/*
@@ -477,12 +493,10 @@ static int enc28j60_set_hw_macaddr(struct net_device *ndev)
mutex_lock(&priv->lock);
if (!priv->hw_enable) {
- if (netif_msg_drv(priv)) {
- DECLARE_MAC_BUF(mac);
+ if (netif_msg_drv(priv))
printk(KERN_INFO DRV_NAME
- ": %s: Setting MAC address to %s\n",
- ndev->name, print_mac(mac, ndev->dev_addr));
- }
+ ": %s: Setting MAC address to %pM\n",
+ ndev->name, ndev->dev_addr);
/* NOTE: MAC address in ENC28J60 is byte-backward */
nolock_regb_write(priv, MAADR5, ndev->dev_addr[0]);
nolock_regb_write(priv, MAADR4, ndev->dev_addr[1]);
@@ -568,6 +582,17 @@ static u16 erxrdpt_workaround(u16 next_packet_ptr, u16 start, u16 end)
return erxrdpt;
}
+/*
+ * Calculate wrap around when reading beyond the end of the RX buffer
+ */
+static u16 rx_packet_start(u16 ptr)
+{
+ if (ptr + RSV_SIZE > RXEND_INIT)
+ return (ptr + RSV_SIZE) - (RXEND_INIT - RXSTART_INIT + 1);
+ else
+ return ptr + RSV_SIZE;
+}
+
static void nolock_rxfifo_init(struct enc28j60_net *priv, u16 start, u16 end)
{
u16 erxrdpt;
@@ -938,16 +963,16 @@ static void enc28j60_hw_rx(struct net_device *ndev)
skb->dev = ndev;
skb_reserve(skb, NET_IP_ALIGN);
/* copy the packet from the receive buffer */
- enc28j60_mem_read(priv, priv->next_pk_ptr + sizeof(rsv),
- len, skb_put(skb, len));
+ enc28j60_mem_read(priv,
+ rx_packet_start(priv->next_pk_ptr),
+ len, skb_put(skb, len));
if (netif_msg_pktdata(priv))
dump_packet(__func__, skb->len, skb->data);
skb->protocol = eth_type_trans(skb, ndev);
/* update statistics */
ndev->stats.rx_packets++;
ndev->stats.rx_bytes += len;
- ndev->last_rx = jiffies;
- netif_rx(skb);
+ netif_rx_ni(skb);
}
}
/*
@@ -1328,11 +1353,9 @@ static int enc28j60_net_open(struct net_device *dev)
printk(KERN_DEBUG DRV_NAME ": %s() enter\n", __func__);
if (!is_valid_ether_addr(dev->dev_addr)) {
- if (netif_msg_ifup(priv)) {
- DECLARE_MAC_BUF(mac);
- dev_err(&dev->dev, "invalid MAC address %s\n",
- print_mac(mac, dev->dev_addr));
- }
+ if (netif_msg_ifup(priv))
+ dev_err(&dev->dev, "invalid MAC address %pM\n",
+ dev->dev_addr);
return -EADDRNOTAVAIL;
}
/* Reset the hardware here (and take it out of low power mode) */
@@ -1453,7 +1476,7 @@ enc28j60_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
strlcpy(info->version, DRV_VERSION, sizeof(info->version));
strlcpy(info->bus_info,
- dev->dev.parent->bus_id, sizeof(info->bus_info));
+ dev_name(dev->dev.parent), sizeof(info->bus_info));
}
static int