Subject: Re: [PATCH] 3 patches against linuxppc_dev-2.4.18-pre7

From: Mark Pilon <[email-masked]>
Date: Thu, 31 Jan 2002 11:26:09 -0700

> >
> > 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

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