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path: root/drivers/net/b44.c
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Diffstat (limited to 'drivers/net/b44.c')
-rw-r--r--drivers/net/b44.c66
1 files changed, 42 insertions, 24 deletions
diff --git a/drivers/net/b44.c b/drivers/net/b44.c
index 474a4e34..5ff7882 100644
--- a/drivers/net/b44.c
+++ b/drivers/net/b44.c
@@ -110,6 +110,11 @@ MODULE_DEVICE_TABLE(pci, b44_pci_tbl);
static void b44_halt(struct b44 *);
static void b44_init_rings(struct b44 *);
+
+#define B44_FULL_RESET 1
+#define B44_FULL_RESET_SKIP_PHY 2
+#define B44_PARTIAL_RESET 3
+
static void b44_init_hw(struct b44 *, int);
static int dma_desc_align_mask;
@@ -716,7 +721,7 @@ static void b44_recycle_rx(struct b44 *bp, int src_idx, u32 dest_idx_unmasked)
struct ring_info *src_map, *dest_map;
struct rx_header *rh;
int dest_idx;
- u32 ctrl;
+ __le32 ctrl;
dest_idx = dest_idx_unmasked & (B44_RX_RING_SIZE - 1);
dest_desc = &bp->rx_ring[dest_idx];
@@ -752,7 +757,7 @@ static void b44_recycle_rx(struct b44 *bp, int src_idx, u32 dest_idx_unmasked)
dest_idx * sizeof(dest_desc),
DMA_BIDIRECTIONAL);
- pci_dma_sync_single_for_device(bp->pdev, src_desc->addr,
+ pci_dma_sync_single_for_device(bp->pdev, le32_to_cpu(src_desc->addr),
RX_PKT_BUF_SZ,
PCI_DMA_FROMDEVICE);
}
@@ -778,7 +783,7 @@ static int b44_rx(struct b44 *bp, int budget)
RX_PKT_BUF_SZ,
PCI_DMA_FROMDEVICE);
rh = (struct rx_header *) skb->data;
- len = cpu_to_le16(rh->len);
+ len = le16_to_cpu(rh->len);
if ((len > (RX_PKT_BUF_SZ - bp->rx_offset)) ||
(rh->flags & cpu_to_le16(RX_FLAG_ERRORS))) {
drop_it:
@@ -794,7 +799,7 @@ static int b44_rx(struct b44 *bp, int budget)
do {
udelay(2);
barrier();
- len = cpu_to_le16(rh->len);
+ len = le16_to_cpu(rh->len);
} while (len == 0 && i++ < 5);
if (len == 0)
goto drop_it;
@@ -879,12 +884,14 @@ static int b44_poll(struct net_device *netdev, int *budget)
}
if (bp->istat & ISTAT_ERRORS) {
- spin_lock_irq(&bp->lock);
+ unsigned long flags;
+
+ spin_lock_irqsave(&bp->lock, flags);
b44_halt(bp);
b44_init_rings(bp);
- b44_init_hw(bp, 1);
+ b44_init_hw(bp, B44_FULL_RESET_SKIP_PHY);
netif_wake_queue(bp->dev);
- spin_unlock_irq(&bp->lock);
+ spin_unlock_irqrestore(&bp->lock, flags);
done = 1;
}
@@ -952,7 +959,7 @@ static void b44_tx_timeout(struct net_device *dev)
b44_halt(bp);
b44_init_rings(bp);
- b44_init_hw(bp, 1);
+ b44_init_hw(bp, B44_FULL_RESET);
spin_unlock_irq(&bp->lock);
@@ -1069,7 +1076,7 @@ static int b44_change_mtu(struct net_device *dev, int new_mtu)
b44_halt(bp);
dev->mtu = new_mtu;
b44_init_rings(bp);
- b44_init_hw(bp, 1);
+ b44_init_hw(bp, B44_FULL_RESET);
spin_unlock_irq(&bp->lock);
b44_enable_ints(bp);
@@ -1366,12 +1373,12 @@ static int b44_set_mac_addr(struct net_device *dev, void *p)
* packet processing. Invoked with bp->lock held.
*/
static void __b44_set_rx_mode(struct net_device *);
-static void b44_init_hw(struct b44 *bp, int full_reset)
+static void b44_init_hw(struct b44 *bp, int reset_kind)
{
u32 val;
b44_chip_reset(bp);
- if (full_reset) {
+ if (reset_kind == B44_FULL_RESET) {
b44_phy_reset(bp);
b44_setup_phy(bp);
}
@@ -1388,7 +1395,10 @@ static void b44_init_hw(struct b44 *bp, int full_reset)
bw32(bp, B44_TXMAXLEN, bp->dev->mtu + ETH_HLEN + 8 + RX_HEADER_LEN);
bw32(bp, B44_TX_WMARK, 56); /* XXX magic */
- if (full_reset) {
+ if (reset_kind == B44_PARTIAL_RESET) {
+ bw32(bp, B44_DMARX_CTRL, (DMARX_CTRL_ENABLE |
+ (bp->rx_offset << DMARX_CTRL_ROSHIFT)));
+ } else {
bw32(bp, B44_DMATX_CTRL, DMATX_CTRL_ENABLE);
bw32(bp, B44_DMATX_ADDR, bp->tx_ring_dma + bp->dma_offset);
bw32(bp, B44_DMARX_CTRL, (DMARX_CTRL_ENABLE |
@@ -1399,9 +1409,6 @@ static void b44_init_hw(struct b44 *bp, int full_reset)
bp->rx_prod = bp->rx_pending;
bw32(bp, B44_MIB_CTRL, MIB_CTRL_CLR_ON_READ);
- } else {
- bw32(bp, B44_DMARX_CTRL, (DMARX_CTRL_ENABLE |
- (bp->rx_offset << DMARX_CTRL_ROSHIFT)));
}
val = br32(bp, B44_ENET_CTRL);
@@ -1418,7 +1425,7 @@ static int b44_open(struct net_device *dev)
goto out;
b44_init_rings(bp);
- b44_init_hw(bp, 1);
+ b44_init_hw(bp, B44_FULL_RESET);
b44_check_phy(bp);
@@ -1627,7 +1634,7 @@ static int b44_close(struct net_device *dev)
netif_poll_enable(dev);
if (bp->flags & B44_FLAG_WOL_ENABLE) {
- b44_init_hw(bp, 0);
+ b44_init_hw(bp, B44_PARTIAL_RESET);
b44_setup_wol(bp);
}
@@ -1903,7 +1910,7 @@ static int b44_set_ringparam(struct net_device *dev,
b44_halt(bp);
b44_init_rings(bp);
- b44_init_hw(bp, 1);
+ b44_init_hw(bp, B44_FULL_RESET);
netif_wake_queue(bp->dev);
spin_unlock_irq(&bp->lock);
@@ -1946,7 +1953,7 @@ static int b44_set_pauseparam(struct net_device *dev,
if (bp->flags & B44_FLAG_PAUSE_AUTO) {
b44_halt(bp);
b44_init_rings(bp);
- b44_init_hw(bp, 1);
+ b44_init_hw(bp, B44_FULL_RESET);
} else {
__b44_set_flow_ctrl(bp, bp->flags);
}
@@ -2054,7 +2061,7 @@ out:
static int b44_read_eeprom(struct b44 *bp, u8 *data)
{
long i;
- u16 *ptr = (u16 *) data;
+ __le16 *ptr = (__le16 *) data;
for (i = 0; i < 128; i += 2)
ptr[i / 2] = cpu_to_le16(readw(bp->regs + 4096 + i));
@@ -2302,7 +2309,7 @@ static int b44_suspend(struct pci_dev *pdev, pm_message_t state)
free_irq(dev->irq, dev);
if (bp->flags & B44_FLAG_WOL_ENABLE) {
- b44_init_hw(bp, 0);
+ b44_init_hw(bp, B44_PARTIAL_RESET);
b44_setup_wol(bp);
}
pci_disable_device(pdev);
@@ -2313,21 +2320,32 @@ static int b44_resume(struct pci_dev *pdev)
{
struct net_device *dev = pci_get_drvdata(pdev);
struct b44 *bp = netdev_priv(dev);
+ int rc = 0;
pci_restore_state(pdev);
- pci_enable_device(pdev);
+ rc = pci_enable_device(pdev);
+ if (rc) {
+ printk(KERN_ERR PFX "%s: pci_enable_device failed\n",
+ dev->name);
+ return rc;
+ }
+
pci_set_master(pdev);
if (!netif_running(dev))
return 0;
- if (request_irq(dev->irq, b44_interrupt, IRQF_SHARED, dev->name, dev))
+ rc = request_irq(dev->irq, b44_interrupt, IRQF_SHARED, dev->name, dev);
+ if (rc) {
printk(KERN_ERR PFX "%s: request_irq failed\n", dev->name);
+ pci_disable_device(pdev);
+ return rc;
+ }
spin_lock_irq(&bp->lock);
b44_init_rings(bp);
- b44_init_hw(bp, 1);
+ b44_init_hw(bp, B44_FULL_RESET);
netif_device_attach(bp->dev);
spin_unlock_irq(&bp->lock);
generated by cgit v0.10.2 at 2024-11-21 09:40:01 (GMT)