2006-02-24 09:30:31

by Chuck Ebbert

[permalink] [raw]
Subject: Re: [PATCH] Add Wake on LAN support to sis900 (2)

In-Reply-To: <[email protected]>

On Thu, 23 Feb 2006 at 21:57:59 -0500, Dave Jones wrote:
> The patch below applied on Jan 5th causes some systems to no longer boot.
> See https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=179601
> for details.
>
> Thanks go to John Reiser for his debugging with git bisect
> to narrow this one down.
> ...
> > --- a/drivers/net/sis900.c
> > +++ b/drivers/net/sis900.c
> ...
> > @@ -538,6 +539,11 @@ static int __devinit sis900_probe(struct
> > printk("%2.2x:", (u8)net_dev->dev_addr[i]);
> > printk("%2.2x.\n", net_dev->dev_addr[i]);
> >
> > + /* Detect Wake on Lan support */
> > + ret = inl(CFGPMC & PMESP);

What is this? It appears to be doing 'inl(0)'.

> > + if (netif_msg_probe(sis_priv) && (ret & PME_D3C) == 0)
> > + printk(KERN_INFO "%s: Wake on LAN only available from suspend to RAM.", net_dev->name);
> > +
> > return 0;
> >
> > err_unmap_rx:

--
Chuck
"Equations are the Devil's sentences." --Stephen Colbert