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path: root/drivers/net/cs89x0.c
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Diffstat (limited to 'drivers/net/cs89x0.c')
-rw-r--r--drivers/net/cs89x0.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/net/cs89x0.c b/drivers/net/cs89x0.c
index b780307093e..cdc07ccd733 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)