On Fri, 2015-06-05 at 13:23 -0700, Guenter Roeck wrote:
> On 06/05/2015 01:08 PM, Benjamin Herrenschmidt wrote:
> > On Fri, 2015-06-05 at 11:05 -0700, Guenter Roeck wrote:
> >> A 64 bit divide causes build failures with 32 bit builds, such as
> >>
> >> ERROR: "__divdi3" [drivers/video/fbdev/aty/radeonfb.ko] undefined!
> >>
> >> or
> >>
> >> drivers/built-in.o: In function `radeon_probe_pll_params':
> >> radeon_base.c:(.text+0x16608b): undefined reference to `__divdi3'
> >
> > What about using do_div() instead ?
> >
>
> delta is known to be <= 10*1000000, so I figured that would have been
> overkill.
> But, sure, at the end it is the same. Want me to resubmit ?
Don't bother.
> Guenter
>
> >> Fixes: ce8f4069dce8 ("fbdev: radeon: Remove 'struct timeval' usage")
> >> Cc: Tina Ruchandani <[email protected]>
> >> Signed-off-by: Guenter Roeck <[email protected]>
> >> ---
> >> drivers/video/fbdev/aty/radeon_base.c | 2 +-
> >> 1 file changed, 1 insertion(+), 1 deletion(-)
> >>
> >> diff --git a/drivers/video/fbdev/aty/radeon_base.c
> >> b/drivers/video/fbdev/aty/radeon_base.c
> >> index b3612e30d74f..374e47532035 100644
> >> --- a/drivers/video/fbdev/aty/radeon_base.c
> >> +++ b/drivers/video/fbdev/aty/radeon_base.c
> >> @@ -492,7 +492,7 @@ static int radeon_probe_pll_params(struct
> >> radeonfb_info *rinfo)
> >> /* Return -1 if more than 10 seconds have elapsed */
> >> if (delta > (10*1000000))
> >> return -1;
> >> - hz = 1000000/delta;
> >> + hz = 1000000 / (int)delta;
> >>
> >> hTotal = ((INREG(CRTC_H_TOTAL_DISP) & 0x1ff) + 1) * 8;
> >> vTotal = ((INREG(CRTC_V_TOTAL_DISP) & 0x3ff) + 1);
> >
> >
> >
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