linux-kernel - Re: [PATCH V2 16/21] clocksource/timer-riscv: Add ACPI support

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Message-ID: <20230220195107.ixdfumgvfnobjlnt@orel>
Date:   Mon, 20 Feb 2023 20:51:07 +0100
From:   Andrew Jones <ajones@...tanamicro.com>
To:     Sunil V L <sunilvl@...tanamicro.com>
Cc:     Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Len Brown <lenb@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>,
        Jonathan Corbet <corbet@....net>,
        linux-riscv@...ts.infradead.org, linux-acpi@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Conor Dooley <conor.dooley@...rochip.com>,
        Anup Patel <apatel@...tanamicro.com>,
        Atish Patra <atishp@...osinc.com>,
        "Rafael J . Wysocki" <rafael.j.wysocki@...el.com>
Subject: Re: [PATCH V2 16/21] clocksource/timer-riscv: Add ACPI support

On Thu, Feb 16, 2023 at 11:50:38PM +0530, Sunil V L wrote:
> Initialize the timer driver based on RHCT table on ACPI based
> platforms.
> 
> Signed-off-by: Sunil V L <sunilvl@...tanamicro.com>
> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> ---
>  drivers/clocksource/timer-riscv.c | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/drivers/clocksource/timer-riscv.c b/drivers/clocksource/timer-riscv.c
> index 2ae8e300d303..5fb0eac52bdd 100644
> --- a/drivers/clocksource/timer-riscv.c
> +++ b/drivers/clocksource/timer-riscv.c
> @@ -10,6 +10,7 @@
>  
>  #define pr_fmt(fmt) "riscv-timer: " fmt
>  
> +#include <linux/acpi.h>
>  #include <linux/clocksource.h>
>  #include <linux/clockchips.h>
>  #include <linux/cpu.h>
> @@ -201,3 +202,13 @@ static int __init riscv_timer_init_dt(struct device_node *n)
>  }
>  
>  TIMER_OF_DECLARE(riscv_timer, "riscv", riscv_timer_init_dt);
> +
> +#ifdef CONFIG_ACPI
> +static int __init riscv_timer_acpi_init(struct acpi_table_header *table)
> +{
> +	return riscv_timer_init_common();
> +}
> +
> +TIMER_ACPI_DECLARE(aclint_mtimer, ACPI_SIG_RHCT, riscv_timer_acpi_init);
> +
> +#endif
> -- 
> 2.34.1
>

This could probably be squashed into the last patch, but anyway

Reviewed-by: Andrew Jones <ajones@...tanamicro.com>

Thanks,
drew