lkml.org 
[lkml]   [2018]   [May]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH v9 04/12] arm64/acpi: Create arch specific cpu to acpi id helper
    Date
    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@arm.com>
    Tested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
    Tested-by: Vijaya Kumar K <vkilari@codeaurora.org>
    Tested-by: Xiongfeng Wang <wangxiongfeng2@huawei.com>
    Tested-by: Tomasz Nowicki <Tomasz.Nowicki@cavium.com>
    Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
    ---
    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 32f465a80e4e..0db62a4cbce2 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;
    +}

    static inline void arch_fix_phys_package_id(int num, u32 slot) { }
    void __init acpi_init_cpus(void);
    --
    2.13.6
    \
     
     \ /
      Last update: 2018-05-12 02:01    [W:4.119 / U:0.204 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site