linux-kernel - Re: [PATCH 08/18] platform/x86: asus-wmi: Use devm_platform_profile

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Message-ID: <a86f37cc-8464-4732-94a4-0f3c0a1022e3@amd.com>
Date: Thu, 9 Jan 2025 10:36:21 -0600
From: Mario Limonciello <mario.limonciello@....com>
To: Kurt Borja <kuurtb@...il.com>, platform-driver-x86@...r.kernel.org
Cc: "Rafael J. Wysocki" <rafael@...nel.org>, Len Brown <lenb@...nel.org>,
 linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
 Armin Wolf <W_Armin@....de>, Joshua Grisham <josh@...huagrisham.com>,
 "Derek J . Clark" <derekjohn.clark@...il.com>,
 Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>,
 Hans de Goede <hdegoede@...hat.com>, Maximilian Luz
 <luzmaximilian@...il.com>, "Lee, Chun-Yi" <jlee@...e.com>,
 Shyam Sundar S K <Shyam-sundar.S-k@....com>,
 Corentin Chary <corentin.chary@...il.com>, "Luke D. Jones"
 <luke@...nes.dev>, Lyndon Sanche <lsanche@...deno.ca>,
 Ike Panhc <ike.pan@...onical.com>,
 Henrique de Moraes Holschuh <hmh@....eng.br>,
 Mark Pearson <mpearson-lenovo@...ebb.ca>,
 Colin Ian King <colin.i.king@...il.com>,
 Alexis Belmonte <alexbelm48@...il.com>, Ai Chao <aichao@...inos.cn>,
 Uwe Kleine-König <u.kleine-koenig@...libre.com>,
 Gergo Koteles <soyer@....hu>, Dell.Client.Kernel@...l.com,
 ibm-acpi-devel@...ts.sourceforge.net
Subject: Re: [PATCH 08/18] platform/x86: asus-wmi: Use
 devm_platform_profile_register()

On 1/9/2025 09:06, Kurt Borja wrote:
> Replace platform_profile_register() with it's device managed version.
> While at it, pass asus_wmi to the class device as drvdata and replace
> uses of container_of() with dev_get_drvdata().
> 
> Signed-off-by: Kurt Borja <kuurtb@...il.com>
Reviewed-by: Mario Limonciello <mario.limonciello@....com>
> ---
>   drivers/platform/x86/asus-wmi.c | 13 ++++---------
>   1 file changed, 4 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
> index 248490571e8c..5c7099dc6109 100644
> --- a/drivers/platform/x86/asus-wmi.c
> +++ b/drivers/platform/x86/asus-wmi.c
> @@ -3806,7 +3806,7 @@ static int asus_wmi_platform_profile_get(struct platform_profile_handler *pprof,
>   	struct asus_wmi *asus;
>   	int tp;
>   
> -	asus = container_of(pprof, struct asus_wmi, platform_profile_handler);
> +	asus = dev_get_drvdata(&pprof->class_dev);
>   	tp = asus->throttle_thermal_policy_mode;
>   
>   	switch (tp) {
> @@ -3832,7 +3832,7 @@ static int asus_wmi_platform_profile_set(struct platform_profile_handler *pprof,
>   	struct asus_wmi *asus;
>   	int tp;
>   
> -	asus = container_of(pprof, struct asus_wmi, platform_profile_handler);
> +	asus = dev_get_drvdata(&pprof->class_dev);
>   
>   	switch (profile) {
>   	case PLATFORM_PROFILE_PERFORMANCE:
> @@ -3895,12 +3895,12 @@ static int platform_profile_setup(struct asus_wmi *asus)
>   	asus->platform_profile_handler.dev = dev;
>   	asus->platform_profile_handler.ops = &asus_wmi_platform_profile_ops;
>   
> -	err = platform_profile_register(&asus->platform_profile_handler, NULL);
> +	err = devm_platform_profile_register(&asus->platform_profile_handler, asus);
>   	if (err == -EEXIST) {
>   		pr_warn("%s, a platform_profile handler is already registered\n", __func__);
>   		return 0;
>   	} else if (err) {
> -		pr_err("%s, failed at platform_profile_register: %d\n", __func__, err);
> +		pr_err("%s, failed at devm_platform_profile_register: %d\n", __func__, err);
>   		return err;
>   	}
>   
> @@ -4859,8 +4859,6 @@ static int asus_wmi_add(struct platform_device *pdev)
>   fail_sysfs:
>   fail_custom_fan_curve:
>   fail_platform_profile_setup:
> -	if (asus->platform_profile_support)
> -		platform_profile_remove(&asus->platform_profile_handler);
>   fail_fan_boost_mode:
>   fail_platform:
>   	kfree(asus);
> @@ -4886,9 +4884,6 @@ static void asus_wmi_remove(struct platform_device *device)
>   	throttle_thermal_policy_set_default(asus);
>   	asus_wmi_battery_exit(asus);
>   
> -	if (asus->platform_profile_support)
> -		platform_profile_remove(&asus->platform_profile_handler);
> -
>   	kfree(asus);
>   }
>