Re: [PATCH 20/21] riscv: Switch over to GENERIC_CPU_DEVICES

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On 2023-11-21 7:45 AM, Russell King (Oracle) wrote:
> From: James Morse <james.morse@xxxxxxx>
> 
> Now that GENERIC_CPU_DEVICES calls arch_register_cpu(), which can be
> overridden by the arch code, switch over to this to allow common code
> to choose when the register_cpu() call is made.
> 
> This allows topology_init() to be removed.
> 
> This is an intermediate step to the logic being moved to drivers/acpi,
> where GENERIC_CPU_DEVICES will do the work when booting with acpi=off.
> 
> This patch also has the effect of moving the registration of CPUs from
> subsys to driver core initialisation, prior to any initcalls running.
> 
> Signed-off-by: James Morse <james.morse@xxxxxxx>
> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
> Acked-by: Palmer Dabbelt <palmer@xxxxxxxxxxxx>
> Reviewed-by: Gavin Shan <gshan@xxxxxxxxxx>
> Signed-off-by: Russell King (Oracle) <rmk+kernel@xxxxxxxxxxxxxxx>
> ---
> Changes since RFC v2:
>  * Add note about initialisation order change.
> ---
>  arch/riscv/Kconfig        |  1 +
>  arch/riscv/kernel/setup.c | 19 ++++---------------
>  2 files changed, 5 insertions(+), 15 deletions(-)

Reviewed-by: Samuel Holland <samuel.holland@xxxxxxxxxx>
Tested-by: Samuel Holland <samuel.holland@xxxxxxxxxx>





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