There is a bug in via-rhine driver - the driver don't disable
interrupts during suspend, which sometimes leads to globally
disabled interrupt line.
This patch disables interrupts (and Rx/Tx) during suspend.
Signed-off-by: Ondrej Zajicek <santiago@crfreenet.org>
---
diff -uprN -X linux-2.6.25/Documentation/dontdiff linux-2.6.25/drivers/net/via-rhine.c linux-2.6.25-feanor/drivers/net/via-rhine.c
--- linux-2.6.25/drivers/net/via-rhine.c 2008-04-17 04:49:44.000000000 +0200
+++ linux-2.6.25-feanor/drivers/net/via-rhine.c 2008-04-26 14:08:44.000000000 +0200
@@ -1886,6 +1886,15 @@ static void rhine_shutdown (struct pci_d
struct rhine_private *rp = netdev_priv(dev);
void __iomem *ioaddr = rp->base;
+ /* Switch to loopback mode to avoid hardware races. */
+ iowrite8(rp->tx_thresh | 0x02, ioaddr + TxConfig);
+
+ /* Disable interrupts by clearing the interrupt mask. */
+ iowrite16(0x0000, ioaddr + IntrEnable);
+
+ /* Stop the chip's Tx and Rx processes. */
+ iowrite16(CmdStop, ioaddr + ChipCmd);
+
if (!(rp->quirks & rqWOL))
return; /* Nothing to do for non-WOL adapters */
--
