[PATCH v2] ACPI: introduce acpi_arch_init
Sudeep Holla
sudeep.holla at arm.com
Thu Aug 8 01:46:44 PDT 2024
On Wed, Aug 07, 2024 at 02:36:12PM +0800, Miao Wang via B4 Relay wrote:
> From: Miao Wang <shankerwangmiao at gmail.com>
>
> To avoid arch-specific code in general ACPI initialization flow,
> we introduce a weak symbol acpi_arch_init. Currently, arm64 can
> utillize this to insert its specific flow. In the future,
> other architectures can also have chance to define their own
> arch-specific acpi initialization process if necessary.
>
> Signed-off-by: Miao Wang <shankerwangmiao at gmail.com>
> ---
> Changes from v1
> - Change acpi_arch_init from a static inline stub to a weak function
> according to Haijun Guo's advice
> ---
> drivers/acpi/arm64/init.c | 2 +-
> drivers/acpi/bus.c | 4 +++-
> include/linux/acpi.h | 6 +-----
> 3 files changed, 5 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/acpi/arm64/init.c b/drivers/acpi/arm64/init.c
> index d0c8aed90fd1..7a47d8095a7d 100644
> --- a/drivers/acpi/arm64/init.c
> +++ b/drivers/acpi/arm64/init.c
> @@ -2,7 +2,7 @@
> #include <linux/acpi.h>
> #include "init.h"
>
> -void __init acpi_arm_init(void)
> +void __init acpi_arch_init(void)
> {
> if (IS_ENABLED(CONFIG_ACPI_AGDI))
> acpi_agdi_init();
> diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
> index 284bc2e03580..b47541e45a5a 100644
> --- a/drivers/acpi/bus.c
> +++ b/drivers/acpi/bus.c
> @@ -1431,6 +1431,8 @@ static int __init acpi_bus_init(void)
> struct kobject *acpi_kobj;
> EXPORT_SYMBOL_GPL(acpi_kobj);
>
> +void __weak acpi_arch_init(void) { }
> +
Why is __init dropped or not needed above ?
Otherwise looks good. With the above __init fixed, you can add
Reviewed-by: Sudeep Holla <sudeep.holla at arm.com>
--
Regards,
Sudeep
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