From: Jiang Lu <lu.ji...@windriver.com>
Add the ndo_poll_controller hook function for acp device.
Signed-off-by: Kevin Hao <kexin....@windriver.com>
---
drivers/net/ethernet/lsi/lsi_acp_net.c | 19 ++++++++++++++++++-
1 file changed, 18 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/lsi/lsi_acp_net.c
b/drivers/net/ethernet/lsi/lsi_acp_net.c
index bc5ee3b..c62db95 100644
--- a/drivers/net/ethernet/lsi/lsi_acp_net.c
+++ b/drivers/net/ethernet/lsi/lsi_acp_net.c
@@ -1722,7 +1722,6 @@ static irqreturn_t appnic_isr(int irq, void *device_id)
APPNIC_DMA_INTERRUPT_ENABLE);
__napi_schedule(&dev->napi);
} else {
- pr_err("acp-femac: NAPI bug! Int while in poll\n");
write_mac(APPNIC_DMA_INTERRUPT_ENABLE_TRANSMIT,
APPNIC_DMA_INTERRUPT_ENABLE);
}
@@ -1738,6 +1737,21 @@ static irqreturn_t appnic_isr(int irq, void *device_id)
return IRQ_HANDLED;
}
+#ifdef CONFIG_NET_POLL_CONTROLLER
+/*
+ * Polling receive - used by netconsole and other diagnostic tools
+ * to allow network i/o with interrupts disabled.
+ */
+static void
+appnic_poll_controller(struct net_device *dev)
+{
+ disable_irq(dev->irq);
+ appnic_isr(dev->irq, dev);
+ enable_irq(dev->irq);
+}
+
+#endif
+
/*
* ----------------------------------------------------------------------
* appnic_open
@@ -2149,6 +2163,9 @@ static const struct net_device_ops appnic_netdev_ops = {
.ndo_get_stats = appnic_get_stats,
.ndo_set_mac_address = appnic_set_mac_address,
.ndo_start_xmit = appnic_hard_start_xmit,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ .ndo_poll_controller = appnic_poll_controller,
+#endif
};
/*
--
1.8.3
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