diff options
Diffstat (limited to 'drivers/net/cs89x0.c')
| -rw-r--r-- | drivers/net/cs89x0.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/net/cs89x0.c b/drivers/net/cs89x0.c index b780307093eb..cdc07ccd7332 100644 --- a/drivers/net/cs89x0.c +++ b/drivers/net/cs89x0.c @@ -247,6 +247,9 @@ static int get_eeprom_data(struct net_device *dev, int off, int len, int *buffer static int get_eeprom_cksum(int off, int len, int *buffer); static int set_mac_address(struct net_device *dev, void *addr); static void count_rx_errors(int status, struct net_local *lp); +#ifdef CONFIG_NET_POLL_CONTROLLER +static void net_poll_controller(struct net_device *dev); +#endif #if ALLOW_DMA static void get_dma_channel(struct net_device *dev); static void release_dma_buff(struct net_local *lp); @@ -405,6 +408,19 @@ get_eeprom_cksum(int off, int len, int *buffer) return -1; } +#ifdef CONFIG_NET_POLL_CONTROLLER +/* + * Polling receive - used by netconsole and other diagnostic tools + * to allow network i/o with interrupts disabled. + */ +static void net_poll_controller(struct net_device *dev) +{ + disable_irq(dev->irq); + net_interrupt(dev->irq, dev, NULL); + enable_irq(dev->irq); +} +#endif + /* This is the real probe routine. Linux has a history of friendly device probes on the ISA bus. A good device probes avoids doing writes, and verifies that the correct device exists and functions. @@ -760,6 +776,9 @@ cs89x0_probe1(struct net_device *dev, int ioaddr, int modular) dev->get_stats = net_get_stats; dev->set_multicast_list = set_multicast_list; dev->set_mac_address = set_mac_address; +#ifdef CONFIG_NET_POLL_CONTROLLER + dev->poll_controller = net_poll_controller; +#endif printk("\n"); if (net_debug) |