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| author | Anton Vorontsov <avorontsov@ru.mvista.com> | 2008-02-01 16:22:54 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-02-03 04:25:59 -0800 |
| commit | 26d29ea799b200c2499a7b41920c2dbfe710bea7 (patch) | |
| tree | 178a8d23eb71a863a6818571d3acce35c718e91e | |
| parent | 80a9fad8e89a23c31bab9c228a88a391c4f8d698 (diff) | |
| download | blackbird-op-linux-26d29ea799b200c2499a7b41920c2dbfe710bea7.tar.gz blackbird-op-linux-26d29ea799b200c2499a7b41920c2dbfe710bea7.zip | |
ucc_geth: add support for netpoll
This patch adds netpoll support for the QE UCC Gigabit Ethernet
driver. Tested using netconsole and KGDBoE.
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ucc_geth.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c index e41da4670d0b..fba0811d2608 100644 --- a/drivers/net/ucc_geth.c +++ b/drivers/net/ucc_geth.c @@ -3666,6 +3666,23 @@ static irqreturn_t ucc_geth_irq_handler(int irq, void *info) return IRQ_HANDLED; } +#ifdef CONFIG_NET_POLL_CONTROLLER +/* + * Polling 'interrupt' - used by things like netconsole to send skbs + * without having to re-enable interrupts. It's not called while + * the interrupt routine is executing. + */ +static void ucc_netpoll(struct net_device *dev) +{ + struct ucc_geth_private *ugeth = netdev_priv(dev); + int irq = ugeth->ug_info->uf_info.irq; + + disable_irq(irq); + ucc_geth_irq_handler(irq, dev); + enable_irq(irq); +} +#endif /* CONFIG_NET_POLL_CONTROLLER */ + /* Called when something needs to use the ethernet device */ /* Returns 0 for success. */ static int ucc_geth_open(struct net_device *dev) @@ -4008,6 +4025,9 @@ static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *ma #ifdef CONFIG_UGETH_NAPI netif_napi_add(dev, &ugeth->napi, ucc_geth_poll, UCC_GETH_DEV_WEIGHT); #endif /* CONFIG_UGETH_NAPI */ +#ifdef CONFIG_NET_POLL_CONTROLLER + dev->poll_controller = ucc_netpoll; +#endif dev->stop = ucc_geth_close; // dev->change_mtu = ucc_geth_change_mtu; dev->mtu = 1500; |
