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    Subject[PATCH v7 02/16] cpu: Do not warn on arch_register_cpu() returning -EPROBE_DEFER
    Date
    For arm64 the CPU registration cannot complete until the ACPI
    interpreter us up and running so in those cases the arch specific
    arch_register_cpu() will return -EPROBE_DEFER at this stage and the
    registration will be attempted later.

    Suggested-by: Rafael J. Wysocki <rafael@kernel.org>
    Acked-by: Rafael J. Wysocki <rafael@kernel.org>
    Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

    ---
    v7: Fix condition to not print the error message of success (thanks Russell!)
    ---
    drivers/base/cpu.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
    index 56fba44ba391..7b83e9c87d7c 100644
    --- a/drivers/base/cpu.c
    +++ b/drivers/base/cpu.c
    @@ -558,7 +558,7 @@ static void __init cpu_dev_register_generic(void)

    for_each_present_cpu(i) {
    ret = arch_register_cpu(i);
    - if (ret)
    + if (ret && ret != -EPROBE_DEFER)
    pr_warn("register_cpu %d failed (%d)\n", i, ret);
    }
    }
    --
    2.39.2

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