Re: [2.6.25 patch] drivers/crypto/hifn_795x.c: fix 64bit division

[Adrian Bunk]

On Tue, Feb 26, 2008 at 04:04:39PM -0800, Andrew Morton wrote:
> On Tue, 26 Feb 2008 21:52:40 +0300 Evgeniy Polyakov <johnpol@xxxxxxxxxxx> wrote:
> 
> > Hi Adrian.
> > 
> > On Tue, Feb 26, 2008 at 05:34:21PM +0200, Adrian Bunk (bunk@xxxxxxxxxx) wrote:
> > > Using ndelay() with a 64bit variable as parameter can result in build 
> > > errors like the following on some 32bit systems when it results in a 
> > > 64bit division:
> > > 
> > > <--  snip  -->
> > > 
> > >  ...
> > >   MODPOST 759 modules
> > > ERROR: "__divdi3" [drivers/crypto/hifn_795x.ko] undefined!
> > > 
> > > <--  snip  -->
> > > 
> > > Reported by Martin Michlmayr.
> > > 
> > > Signed-off-by: Adrian Bunk <bunk@xxxxxxxxxx>
> > 
> > Yep, ndelay() uses division, thanks a lot Adrian for spotting this.
> 
> hm.  Where?
>...

include/linux/delay.h:35

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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