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Date: Mon, 25 Mar 2024 15:42:39 +0100
From: Hans de Goede <hdegoede@...hat.com>
To: Ai Chao <aichao@...inos.cn>, ilpo.jarvinen@...ux.intel.com,
 platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1] platform/x86: huawei-wmi: use sysfs_emit() instead of
 sprintf()

Hi,

On 3/19/24 7:42 AM, Ai Chao wrote:
> Follow the advice in Documentation/filesystems/sysfs.rst:
> show() should only use sysfs_emit() or sysfs_emit_at() when formatting
> the value to be returned to user space.
> 
> Signed-off-by: Ai Chao <aichao@...inos.cn>

Thank you for your patch, I've applied this patch to my review-hans 
branch:
https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git/log/?h=review-hans

Note it will show up in my review-hans branch once I've pushed my
local branch there, which might take a while.

Once I've run some tests on this branch the patches there will be
added to the platform-drivers-x86/for-next branch and eventually
will be included in the pdx86 pull-request to Linus for the next
merge-window.

Regards,

Hans



> ---
>  drivers/platform/x86/huawei-wmi.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/platform/x86/huawei-wmi.c b/drivers/platform/x86/huawei-wmi.c
> index dde139c69945..09d476dd832e 100644
> --- a/drivers/platform/x86/huawei-wmi.c
> +++ b/drivers/platform/x86/huawei-wmi.c
> @@ -379,7 +379,7 @@ static ssize_t charge_control_start_threshold_show(struct device *dev,
>  	if (err)
>  		return err;
>  
> -	return sprintf(buf, "%d\n", start);
> +	return sysfs_emit(buf, "%d\n", start);
>  }
>  
>  static ssize_t charge_control_end_threshold_show(struct device *dev,
> @@ -392,7 +392,7 @@ static ssize_t charge_control_end_threshold_show(struct device *dev,
>  	if (err)
>  		return err;
>  
> -	return sprintf(buf, "%d\n", end);
> +	return sysfs_emit(buf, "%d\n", end);
>  }
>  
>  static ssize_t charge_control_thresholds_show(struct device *dev,
> @@ -405,7 +405,7 @@ static ssize_t charge_control_thresholds_show(struct device *dev,
>  	if (err)
>  		return err;
>  
> -	return sprintf(buf, "%d %d\n", start, end);
> +	return sysfs_emit(buf, "%d %d\n", start, end);
>  }
>  
>  static ssize_t charge_control_start_threshold_store(struct device *dev,
> @@ -562,7 +562,7 @@ static ssize_t fn_lock_state_show(struct device *dev,
>  	if (err)
>  		return err;
>  
> -	return sprintf(buf, "%d\n", on);
> +	return sysfs_emit(buf, "%d\n", on);
>  }
>  
>  static ssize_t fn_lock_state_store(struct device *dev,


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