lkml.org 
[lkml]   [2003]   [Nov]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [BUG] Ricoh Cardbus -> Can't get interrupts
On Thu, 27 Nov 2003, David Hinds wrote:

> On Mon, Nov 24, 2003 at 07:08:26PM -0800, Davide Libenzi wrote:
> >
> > I didn't want to post this because I was ashamed of the fix, but w/out
> > this my orinoco cardbus gets an interrupt one every ten boots. This is
> > against 2.4.20 ...
> >
> > - Davide
>
> Your patch seems to do two things:
>
> First, it automatically falls back on using a socket's PCI interrupt
> if its ISA interrupts are not available. That part seems ok.
>
> But, it also falls back on sharing an interrupt if a driver requested
> an exclusive interrupt and that was not available. This part is not
> ok. The original code will share a PCI interrupt automatically, but
> will not share an ISA interrupt except under certain circumstances
> (for multifunction cards or when the driver specifically requests it).
> Sharing ISA interrupts is unsafe and should never be done blindly.

I told you it was bogus :) Seriously, I don't even know if the "bogus path"
is ever taken, I believe not. I did a quick fix at the beginning and I
did not look at it anymore. I'll give it a shot ...



- Davide


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:58    [W:0.060 / U:0.376 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site