diff options
Diffstat (limited to 'drivers/net/ethernet/i825xx/znet.c')
| -rw-r--r-- | drivers/net/ethernet/i825xx/znet.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/net/ethernet/i825xx/znet.c b/drivers/net/ethernet/i825xx/znet.c index bd1f1ef91e19..c9479e081b8a 100644 --- a/drivers/net/ethernet/i825xx/znet.c +++ b/drivers/net/ethernet/i825xx/znet.c @@ -139,8 +139,11 @@ struct znet_private { /* Only one can be built-in;-> */ static struct net_device *znet_dev; +#define NETIDBLK_MAGIC "NETIDBLK" +#define NETIDBLK_MAGIC_SIZE 8 + struct netidblk { - char magic[8]; /* The magic number (string) "NETIDBLK" */ + char magic[NETIDBLK_MAGIC_SIZE]; /* The magic number (string) "NETIDBLK" */ unsigned char netid[8]; /* The physical station address */ char nettype, globalopt; char vendor[8]; /* The machine vendor and product name. */ @@ -373,14 +376,16 @@ static int __init znet_probe (void) struct znet_private *znet; struct net_device *dev; char *p; + char *plast = phys_to_virt(0x100000 - NETIDBLK_MAGIC_SIZE); int err = -ENOMEM; /* This code scans the region 0xf0000 to 0xfffff for a "NETIDBLK". */ - for(p = (char *)phys_to_virt(0xf0000); p < (char *)phys_to_virt(0x100000); p++) - if (*p == 'N' && strncmp(p, "NETIDBLK", 8) == 0) + for(p = (char *)phys_to_virt(0xf0000); p <= plast; p++) + if (*p == 'N' && + strncmp(p, NETIDBLK_MAGIC, NETIDBLK_MAGIC_SIZE) == 0) break; - if (p >= (char *)phys_to_virt(0x100000)) { + if (p > plast) { if (znet_debug > 1) printk(KERN_INFO "No Z-Note ethernet adaptor found.\n"); return -ENODEV; @@ -860,14 +865,14 @@ static void hardware_init(struct net_device *dev) disable_dma(znet->rx_dma); /* reset by an interrupting task. */ clear_dma_ff(znet->rx_dma); set_dma_mode(znet->rx_dma, DMA_RX_MODE); - set_dma_addr(znet->rx_dma, (unsigned int) znet->rx_start); + set_dma_addr(znet->rx_dma, isa_virt_to_bus(znet->rx_start)); set_dma_count(znet->rx_dma, RX_BUF_SIZE); enable_dma(znet->rx_dma); /* Now set up the Tx channel. */ disable_dma(znet->tx_dma); clear_dma_ff(znet->tx_dma); set_dma_mode(znet->tx_dma, DMA_TX_MODE); - set_dma_addr(znet->tx_dma, (unsigned int) znet->tx_start); + set_dma_addr(znet->tx_dma, isa_virt_to_bus(znet->tx_start)); set_dma_count(znet->tx_dma, znet->tx_buf_len<<1); enable_dma(znet->tx_dma); release_dma_lock(flags); |