linux-kernel - Re: [PATCH 5/9] platform/x86: asus-wmi: use WMI_SIMPLE

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Date: Tue, 28 May 2024 12:06:23 +0300 (EEST)
From: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
To: "Luke D. Jones" <luke@...nes.dev>
cc: Hans de Goede <hdegoede@...hat.com>, corentin.chary@...il.com, 
    platform-driver-x86@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 5/9] platform/x86: asus-wmi: use WMI_SIMPLE_SHOW in more
 places

On Tue, 28 May 2024, Luke D. Jones wrote:

> Further reduce code duplication by using the new macros in a few more
> places.
> 
> Signed-off-by: Luke D. Jones <luke@...nes.dev>
> ---
>  drivers/platform/x86/asus-wmi.c | 30 ++++--------------------------
>  1 file changed, 4 insertions(+), 26 deletions(-)
> 
> diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
> index 5c03e28ff252..260548aa6a42 100644
> --- a/drivers/platform/x86/asus-wmi.c
> +++ b/drivers/platform/x86/asus-wmi.c
> @@ -813,19 +813,6 @@ static void asus_wmi_tablet_mode_get_state(struct asus_wmi *asus)
>  }
>  
>  /* dGPU ********************************************************************/
> -static ssize_t dgpu_disable_show(struct device *dev,
> -				   struct device_attribute *attr, char *buf)
> -{
> -	struct asus_wmi *asus = dev_get_drvdata(dev);
> -	int result;
> -
> -	result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_DGPU);
> -	if (result < 0)
> -		return result;
> -
> -	return sysfs_emit(buf, "%d\n", result);
> -}
> -
>  /*
>   * A user may be required to store the value twice, typcial store first, then
>   * rescan PCI bus to activate power, then store a second time to save correctly.
> @@ -875,22 +862,11 @@ static ssize_t dgpu_disable_store(struct device *dev,
>  
>  	return count;
>  }
> +
> +WMI_SIMPLE_SHOW(dgpu_disable, "%d\n", ASUS_WMI_DEVID_DGPU);
>  static DEVICE_ATTR_RW(dgpu_disable);
>  
>  /* eGPU ********************************************************************/
> -static ssize_t egpu_enable_show(struct device *dev,
> -				   struct device_attribute *attr, char *buf)
> -{
> -	struct asus_wmi *asus = dev_get_drvdata(dev);
> -	int result;
> -
> -	result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_EGPU);
> -	if (result < 0)
> -		return result;
> -
> -	return sysfs_emit(buf, "%d\n", result);
> -}
> -
>  /* The ACPI call to enable the eGPU also disables the internal dGPU */
>  static ssize_t egpu_enable_store(struct device *dev,
>  				    struct device_attribute *attr,
> @@ -943,6 +919,8 @@ static ssize_t egpu_enable_store(struct device *dev,
>  
>  	return count;
>  }
> +
> +WMI_SIMPLE_SHOW(egpu_enable, "%d\n", ASUS_WMI_DEVID_EGPU);
>  static DEVICE_ATTR_RW(egpu_enable);

It seems odd you do this subset in own patch. I think it would be more 
logical if you reorder patches 4 and 5.

-- 
 i.