linux-kernel - Re: [PATCH v2 2/2] platform/x86: asus-wmi: Use platform_profile

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Message-ID: <73f56b53-f02c-49ca-bfc5-67eb51e852b6@redhat.com>
Date: Thu, 7 Nov 2024 10:52:04 +0100
From: Hans de Goede <hdegoede@...hat.com>
To: Armin Wolf <W_Armin@....de>, corentin.chary@...il.com, luke@...nes.dev,
 mohamed.ghanmi@...com.tn
Cc: srinivas.pandruvada@...ux.intel.com, ilpo.jarvinen@...ux.intel.com,
 Michael@...ronix.com, casey.g.bowman@...el.com,
 platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/2] platform/x86: asus-wmi: Use
 platform_profile_cycle()

Hi,

On 7-Nov-24 1:38 AM, Armin Wolf wrote:
> Replace throttle_thermal_policy_switch_next() with
> platform_profile_cycle() to reduce code duplication and avoid a
> potential race condition with the platform profile handler.
> 
> Suggested-by: Hans de Goede <hdegoede@...hat.com>
> Signed-off-by: Armin Wolf <W_Armin@....de>

Thanks, patch looks good to me:

Reviewed-by: Hans de Goede <hdegoede@...hat.com>

Regards,

Hans



> ---
>  drivers/platform/x86/asus-wmi.c | 24 +-----------------------
>  1 file changed, 1 insertion(+), 23 deletions(-)
> 
> diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
> index ce60835d0303..ba8b6d028f9f 100644
> --- a/drivers/platform/x86/asus-wmi.c
> +++ b/drivers/platform/x86/asus-wmi.c
> @@ -3755,28 +3755,6 @@ static int throttle_thermal_policy_set_default(struct asus_wmi *asus)
>  	return throttle_thermal_policy_write(asus);
>  }
> 
> -static int throttle_thermal_policy_switch_next(struct asus_wmi *asus)
> -{
> -	u8 new_mode = asus->throttle_thermal_policy_mode + 1;
> -	int err;
> -
> -	if (new_mode > PLATFORM_PROFILE_MAX)
> -		new_mode = ASUS_THROTTLE_THERMAL_POLICY_DEFAULT;
> -
> -	asus->throttle_thermal_policy_mode = new_mode;
> -	err = throttle_thermal_policy_write(asus);
> -	if (err)
> -		return err;
> -
> -	/*
> -	 * Ensure that platform_profile updates userspace with the change to ensure
> -	 * that platform_profile and throttle_thermal_policy_mode are in sync.
> -	 */
> -	platform_profile_notify();
> -
> -	return 0;
> -}
> -
>  static ssize_t throttle_thermal_policy_show(struct device *dev,
>  				   struct device_attribute *attr, char *buf)
>  {
> @@ -4301,7 +4279,7 @@ static void asus_wmi_handle_event_code(int code, struct asus_wmi *asus)
>  		if (asus->fan_boost_mode_available)
>  			fan_boost_mode_switch_next(asus);
>  		if (asus->throttle_thermal_policy_dev)
> -			throttle_thermal_policy_switch_next(asus);
> +			platform_profile_cycle();
>  		return;
> 
>  	}
> --
> 2.39.5
>