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Diffstat (limited to 'recipes/ixp425-eth/ixp400-eth-1.5.1/poll-controller.patch')
-rw-r--r--recipes/ixp425-eth/ixp400-eth-1.5.1/poll-controller.patch50
1 files changed, 50 insertions, 0 deletions
diff --git a/recipes/ixp425-eth/ixp400-eth-1.5.1/poll-controller.patch b/recipes/ixp425-eth/ixp400-eth-1.5.1/poll-controller.patch
new file mode 100644
index 0000000000..64fb310ee5
--- /dev/null
+++ b/recipes/ixp425-eth/ixp400-eth-1.5.1/poll-controller.patch
@@ -0,0 +1,50 @@
+poll controller support
+
+ ixp400_eth.c | 22 ++++++++++++++++++++++
+ 1 file changed, 22 insertions(+)
+
+--- ixp400-eth/ixp400_eth.c 1970-01-01 00:00:00.000000000 +0000
++++ ixp400-eth/ixp400_eth.c 1970-01-01 00:00:00.000000000 +0000
+@@ -348,6 +348,12 @@ static int dev_pmu_timer_init(void);
+ extern void
+ ixEthTxFrameDoneQMCallback(IxQMgrQId qId, IxQMgrCallbackId callbackId);
+
++#ifdef CONFIG_NET_POLL_CONTROLLER
++/* poll controller (needed for netconsole et al) */
++static void
++ixp425eth_poll_controller(struct net_device *dev);
++#endif
++
+ /* Private device data */
+ typedef struct {
+ spinlock_t lock; /* multicast management lock */
+@@ -3060,6 +3066,19 @@ static int set_mac_address(struct net_de
+ return 0;
+ }
+
++#ifdef CONFIG_NET_POLL_CONTROLLER
++/*
++ * Polling receive - used by netconsole and other diagnostic tools
++ * to allow network i/o with interrupts disabled.
++ * (stolen from 8139too.c by siddy)
++ */
++static void ixp425eth_poll_controller(struct net_device *dev)
++{
++ disable_irq(dev->irq);
++ dev_qmgr_os_isr(dev->irq, dev, NULL);
++ enable_irq(dev->irq);
++}
++#endif
+
+ /*
+ * TX QDISC
+@@ -3270,6 +3289,9 @@ static int __devinit dev_eth_probe(struc
+ ndev->get_stats = dev_get_stats;
+ ndev->set_multicast_list = dev_set_multicast_list;
+ ndev->flags |= IFF_MULTICAST;
++#ifdef CONFIG_NET_POLL_CONTROLLER
++ ndev->poll_controller = ixp425eth_poll_controller;
++#endif
+
+ ndev->set_mac_address = set_mac_address;
+