[PATCH] arm driver net macb

From: Paul Chavent
Date: Thu Sep 02 2010 - 16:32:46 EST


When listing processes on a system with SOFT/HARD_IRQ enabled, the name of the ethernet device is [irq/eth%d] (instead of [irq/eth0] for example).

This patch call the request_irq function after having initialized the name of the device.

Signed-off-by: Paul Chavent <paul.chavent@xxxxxxxx>

diff -abBruN linux-2.6.35.4.orig/drivers/net/macb.c linux-2.6.35.4.mod/drivers/net/macb.c
--- linux-2.6.35.4.orig/drivers/net/macb.c 2010-09-02 17:35:18.422000143 +0200
+++ linux-2.6.35.4.mod/drivers/net/macb.c 2010-09-02 18:02:37.078000147 +0200
@@ -1165,16 +1242,6 @@
goto err_out_disable_clocks;
}

- dev->irq = platform_get_irq(pdev, 0);
- err = request_irq(dev->irq, macb_interrupt, IRQF_SAMPLE_RANDOM,
- dev->name, dev);
- if (err) {
- printk(KERN_ERR
- "%s: Unable to request IRQ %d (error %d)\n",
- dev->name, dev->irq, err);
- goto err_out_iounmap;
- }
-
dev->netdev_ops = &macb_netdev_ops;
netif_napi_add(dev, &bp->napi, macb_poll, 64);
dev->ethtool_ops = &macb_ethtool_ops;
@@ -1214,13 +1281,23 @@
err = register_netdev(dev);
if (err) {
dev_err(&pdev->dev, "Cannot register net device, aborting.\n");
- goto err_out_free_irq;
+ goto err_out_iounmap;
}

if (macb_mii_init(bp) != 0) {
goto err_out_unregister_netdev;
}

+ dev->irq = platform_get_irq(pdev, 0);
+ err = request_irq(dev->irq, macb_interrupt, IRQF_SAMPLE_RANDOM,
+ dev->name, dev);
+ if (err) {
+ printk(KERN_ERR
+ "%s: Unable to request IRQ %d (error %d)\n",
+ dev->name, dev->irq, err);
+ goto err_out_unregister_netdev;
+ }
+
platform_set_drvdata(pdev, dev);

printk(KERN_INFO "%s: Atmel MACB at 0x%08lx irq %d (%pM)\n",
@@ -1233,10 +1310,10 @@

return 0;

-err_out_unregister_netdev:
- unregister_netdev(dev);
err_out_free_irq:
free_irq(dev->irq, dev);
+err_out_unregister_netdev:
+ unregister_netdev(dev);
err_out_iounmap:
iounmap(bp->regs);
err_out_disable_clocks:
@@ -1270,8 +1347,8 @@
mdiobus_unregister(bp->mii_bus);
kfree(bp->mii_bus->irq);
mdiobus_free(bp->mii_bus);
- unregister_netdev(dev);
free_irq(dev->irq, dev);
+ unregister_netdev(dev);
iounmap(bp->regs);
#ifndef CONFIG_ARCH_AT91
clk_disable(bp->hclk);