linux-kernel - RE: [PATCH] radeon: Use Linux division macro in si_calculate_leakage_for_v_and_t

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Date:	Fri, 9 Aug 2013 16:22:59 +0000
From:	"Deucher, Alexander" <Alexander.Deucher@....com>
To:	Andi Kleen <andi@...stfloor.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:	Andi Kleen <ak@...ux.intel.com>,
	"airlied@...ux.ie" <airlied@...ux.ie>
Subject: RE: [PATCH] radeon: Use Linux division macro in
 si_calculate_leakage_for_v_and_t_formula

Fix is already merged:
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=adfb8e51332153016857194b85309150ac560286


> -----Original Message-----
> From: Andi Kleen [mailto:andi@...stfloor.org]
> Sent: Friday, August 09, 2013 11:58 AM
> To: linux-kernel@...r.kernel.org
> Cc: Andi Kleen; airlied@...ux.ie; Deucher, Alexander
> Subject: [PATCH] radeon: Use Linux division macro in
> si_calculate_leakage_for_v_and_t_formula
> 
> From: Andi Kleen <ak@...ux.intel.com>
> 
> This fixes my 32bit build which failed with:
> 
> drivers/built-in.o: In function
> `si_calculate_leakage_for_v_and_t_formula':
> /home/ak/lsrc/git/linux-2.6/drivers/gpu/drm/radeon/si_dpm.c:1770:
> undefined reference to `__divdi3'
> 
> Cc: airlied@...ux.ie
> Cc: alexander.deucher@....com
> Signed-off-by: Andi Kleen <ak@...ux.intel.com>
> ---
>  drivers/gpu/drm/radeon/si_dpm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/radeon/si_dpm.c
> b/drivers/gpu/drm/radeon/si_dpm.c
> index 7ad22e8..4182557 100644
> --- a/drivers/gpu/drm/radeon/si_dpm.c
> +++ b/drivers/gpu/drm/radeon/si_dpm.c
> @@ -1767,7 +1767,7 @@ static void
> si_calculate_leakage_for_v_and_t_formula(const struct ni_leakage_coe
>  	s64 temperature, t_slope, t_intercept, av, bv, t_ref;
>  	s64 tmp;
> 
> -	i_leakage = drm_int2fixp(ileakage) / 100;
> +	i_leakage = div64_s64(drm_int2fixp(ileakage), 100);
>  	vddc = div64_s64(drm_int2fixp(v), 1000);
>  	temperature = div64_s64(drm_int2fixp(t), 1000);
> 
> --
> 1.8.3.1
> 


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