Re: [PATCH v2 2/2] ARM: Replace calls to __aeabi_{u}idiv with udiv/sdiv instructions

Russell King - ARM Linux
2015-11-26T00:08:51Z

On Wed, Nov 25, 2015 at 01:51:04PM -0800, Stephen Boyd wrote:
> diff --git a/arch/arm/include/asm/cputype.h b/arch/arm/include/asm/cputype.h
> index 85e374f873ac..48c77d422a0d 100644
> --- a/arch/arm/include/asm/cputype.h
> +++ b/arch/arm/include/asm/cputype.h
> @@ -250,8 +250,14 @@ static inline int cpu_is_pj4(void)
>
> return 0;
> }
> +
> +static inline bool __attribute_const__ cpu_is_pj4_nomp(void)
> +{
> + return read_cpuid_part() == 0x56005810;

One other thing here, we really ought to avoid adding more magic numbers
to this file. We have the ARM processors nicely #defined, but not a lot
else. Maybe its time that we continued with the nice definitions for
these part numbers?

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