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authorDeepak Saxena <dsaxena@plexity.net>2005-09-09 13:02:07 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-09-09 13:57:32 -0700
commit6f519165a97924ab3eeb99f388718d12ff97f1f4 (patch)
tree2b54ecf2cf187eea04a5233f7503ff8eb84c0f24 /drivers/net
parentfac92becdaecff64dd91daab0292c5131de92f0d (diff)
downloadop-kernel-dev-6f519165a97924ab3eeb99f388718d12ff97f1f4.zip
op-kernel-dev-6f519165a97924ab3eeb99f388718d12ff97f1f4.tar.gz
[PATCH] cs89x0: add netpoll support
Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Cc: Matt Mackall <mpm@selenic.com> Cc: Jeff Garzik <jgarzik@pobox.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/net')
-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 b780307..cdc07cc 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)
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