From: Mark Pilon <mpilon@midrivers•com>
To: Armin Kuster <akuster@mvista•com>
Cc: "David Müller" <d.mueller@elsoft•ch>,
linuxppc-embedded@lists•linuxppc.org
Subject: Re: [PATCH] 3 patches against linuxppc_dev-2.4.18-pre7
Date: Thu, 31 Jan 2002 11:26:09 -0700 [thread overview]
Message-ID: <3C598C41.8AC31B3C@midrivers.com> (raw)
In-Reply-To: 3C5989D2.3F77685@mvista.com
> >
> > In ppc405_pic_get_irq() the following code is executed:
> >
> > irq = 32 - ffs(bits);
> >
> > if (irq == NR_IRQS)
> > irq = -1;
> >
> > return(irq);
> >
> > with NR_IRQS equal 48 the condition is never true !
> >
You might check the actual code generated for ffs() and verify
it works -- I ended up recoding this routine because ffs() wasn't
working correctly ... [ I forget the particulars, but the code
generated and behavior were not correct ];
Mark
--
Mark Pilon
Minolta-QMS
P.O. Box 37
Fallon, MT. 59326-0037
1-406-486-5539 (primary voice line)
1-406-853-0433 (cell)
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2002-01-31 18:26 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-01-30 13:48 [PATCH] 3 patches against linuxppc_dev-2.4.18-pre7 David Müller (ELSOFT AG)
2002-01-30 18:52 ` Armin Kuster
2002-01-31 8:29 ` David Müller (ELSOFT AG)
2002-01-31 18:15 ` Armin Kuster
2002-01-31 18:26 ` Mark Pilon [this message]
2002-01-31 18:42 ` Dan Malek
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