[PATCH v4 3/9] arm64/acpi: Create arch specific cpu to acpi id helper
Sudeep Holla
sudeep.holla at arm.com
Mon Nov 20 09:06:35 PST 2017
On Thu, Nov 09, 2017 at 03:03:05PM -0600, Jeremy Linton wrote:
> Its helpful to be able to lookup the acpi_processor_id
> associated with a logical cpu. Provide an arm64
> helper to do this.
>
> Signed-off-by: Jeremy Linton <jeremy.linton at arm.com>
> ---
> arch/arm64/include/asm/acpi.h | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/arch/arm64/include/asm/acpi.h b/arch/arm64/include/asm/acpi.h
> index 59cca1d6ec54..408e7989d3a2 100644
> --- a/arch/arm64/include/asm/acpi.h
> +++ b/arch/arm64/include/asm/acpi.h
> @@ -86,6 +86,10 @@ static inline bool acpi_has_cpu_in_madt(void)
> }
>
> struct acpi_madt_generic_interrupt *acpi_cpu_get_madt_gicc(int cpu);
> +static inline u32 get_acpi_id_for_cpu(unsigned int cpu)
> +{
> + return acpi_cpu_get_madt_gicc(cpu)->uid;
> +}
If I followed the series correctly, this function is used in 2/9 already.
So this needs to be moved down in the series to avoid build failure during
bisection.
--
Regards,
Sudeep
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