Hi, Jackie,
On Mon, Sep 13, 2021 at 10:42 AM Jackie Liu <liu.yun@xxxxxxxxx> wrote:
>
> From: Jackie Liu <liuyun01@xxxxxxxxxx>
>
> mach/loongson64 fails to build when the FPU support is disabled:
>
> arch/mips/loongson64/cop2-ex.c:45:15: error: implicit declaration of function ‘__is_fpu_owner’; did you mean ‘is_fpu_owner’? [-Werror=implicit-function-declaration]
> arch/mips/loongson64/cop2-ex.c:98:30: error: ‘struct thread_struct’ has no member named ‘fpu’
> arch/mips/loongson64/cop2-ex.c:99:30: error: ‘struct thread_struct’ has no member named ‘fpu’
> arch/mips/loongson64/cop2-ex.c:131:43: error: ‘struct thread_struct’ has no member named ‘fpu’
> arch/mips/loongson64/cop2-ex.c:137:38: error: ‘struct thread_struct’ has no member named ‘fpu’
> arch/mips/loongson64/cop2-ex.c:203:30: error: ‘struct thread_struct’ has no member named ‘fpu’
> arch/mips/loongson64/cop2-ex.c:219:30: error: ‘struct thread_struct’ has no member named ‘fpu’
> arch/mips/loongson64/cop2-ex.c:283:38: error: ‘struct thread_struct’ has no member named ‘fpu’
> arch/mips/loongson64/cop2-ex.c:301:38: error: ‘struct thread_struct’ has no member named ‘fpu’
>
> Fixes: ef2f826c8f2f ("MIPS: Loongson-3: Enable the COP2 usage")
I suggest moving this config option to CPU_LOONGSON64.
Huacai
> Reported-by: k2ci robot <kernel-bot@xxxxxxxxxx>
> Signed-off-by: Jackie Liu <liuyun01@xxxxxxxxxx>
> ---
> arch/mips/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
> index 24e374266fdc..1164c32fd87b 100644
> --- a/arch/mips/Kconfig
> +++ b/arch/mips/Kconfig
> @@ -487,6 +487,7 @@ config MACH_LOONGSON64
> select ISA
> select I8259
> select IRQ_MIPS_CPU
> + select MIPS_FP_SUPPORT
> select NO_EXCEPT_FILL
> select NR_CPUS_DEFAULT_64
> select USE_GENERIC_EARLY_PRINTK_8250
> --
> 2.25.1
>
