Re: [PATCH v3] powerpc: make ALTIVEC select PPC_FPU
From: Michael Ellerman
Date: Thu Apr 29 2021 - 10:02:57 EST
On Wed, 21 Apr 2021 14:06:47 -0700, Randy Dunlap wrote:
> On a kernel config with ALTIVEC=y and PPC_FPU not set/enabled,
> there are build errors:
>
> drivers/cpufreq/pmac32-cpufreq.c:262:2: error: implicit declaration of function 'enable_kernel_fp' [-Werror,-Wimplicit-function-declaration]
> enable_kernel_fp();
> ../arch/powerpc/lib/sstep.c: In function 'do_vec_load':
> ../arch/powerpc/lib/sstep.c:637:3: error: implicit declaration of function 'put_vr' [-Werror=implicit-function-declaration]
> 637 | put_vr(rn, &u.v);
> | ^~~~~~
> ../arch/powerpc/lib/sstep.c: In function 'do_vec_store':
> ../arch/powerpc/lib/sstep.c:660:3: error: implicit declaration of function 'get_vr'; did you mean 'get_oc'? [-Werror=implicit-function-declaration]
> 660 | get_vr(rn, &u.v);
> | ^~~~~~
>
> [...]
Applied to powerpc/next.
[1/1] powerpc: make ALTIVEC select PPC_FPU
https://git.kernel.org/powerpc/c/389586333c0229a4fbc5c1a7f89148d141293682
cheers