myri10ge: check that we can get an irq
Now that IRQ allocation is done in myri10ge_open(), we want to still
check when loading the driver that IRQ allocation could succeed later.
Additionaly, we fix the initialization and printing of netdev->irq.
Signed-off-by: Brice Goglin <brice@myri.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index b06e0eb..b21c8df 100644
--- a/drivers/net/myri10ge/myri10ge.c
+++ b/drivers/net/myri10ge/myri10ge.c
@@ -2882,7 +2882,6 @@
netdev->hard_start_xmit = myri10ge_xmit;
netdev->get_stats = myri10ge_get_stats;
netdev->base_addr = mgp->iomem_base;
- netdev->irq = pdev->irq;
netdev->change_mtu = myri10ge_change_mtu;
netdev->set_multicast_list = myri10ge_set_multicast_list;
netdev->set_mac_address = myri10ge_set_mac_address;
@@ -2892,6 +2891,15 @@
netdev->poll = myri10ge_poll;
netdev->weight = myri10ge_napi_weight;
+ /* make sure we can get an irq, and that MSI can be
+ * setup (if available). Also ensure netdev->irq
+ * is set to correct value if MSI is enabled */
+ status = myri10ge_request_irq(mgp);
+ if (status != 0)
+ goto abort_with_firmware;
+ netdev->irq = pdev->irq;
+ myri10ge_free_irq(mgp);
+
/* Save configuration space to be restored if the
* nic resets due to a parity error */
pci_save_state(pdev);
@@ -2907,8 +2915,9 @@
dev_err(&pdev->dev, "register_netdev failed: %d\n", status);
goto abort_with_state;
}
- dev_info(dev, "%d, tx bndry %d, fw %s, WC %s\n",
- pdev->irq, mgp->tx.boundary, mgp->fw_name,
+ dev_info(dev, "%s IRQ %d, tx bndry %d, fw %s, WC %s\n",
+ (mgp->msi_enabled ? "MSI" : "xPIC"),
+ netdev->irq, mgp->tx.boundary, mgp->fw_name,
(mgp->mtrr >= 0 ? "Enabled" : "Disabled"));
return 0;