linux-kernel - Re: [PATCH] Input: edt-ft5x06: Replace DEFINE_SIMPLE_ATTRIBUTE with DEFINE_DEBUGFS

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Message-ID: <YDc+bJCePYQF1W83@google.com>
Date:   Wed, 24 Feb 2021 22:06:36 -0800
From:   Dmitry Torokhov <dmitry.torokhov@...il.com>
To:     Yang Li <yang.lee@...ux.alibaba.com>
Cc:     linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Input: edt-ft5x06: Replace DEFINE_SIMPLE_ATTRIBUTE with
 DEFINE_DEBUGFS_ATTRIBUTE

Hi Yang,

On Wed, Feb 24, 2021 at 04:43:26PM +0800, Yang Li wrote:
> Fix the following coccicheck warning:
> ./drivers/input/touchscreen/edt-ft5x06.c:697:0-23: WARNING:
> debugfs_mode_fops should be defined with DEFINE_DEBUGFS_ATTRIBUTE

Thank you for the patch, however reading the coccinelle script not only
we need to change the attribute definition, but also use
debugfs_create_file_unsafe() to register it. I do not see the 2nd part
of the change in your patch...

> 
> Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
> Signed-off-by: Yang Li <yang.lee@...ux.alibaba.com>
> ---
>  drivers/input/touchscreen/edt-ft5x06.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c
> index 2eefbc2..12bbc58 100644
> --- a/drivers/input/touchscreen/edt-ft5x06.c
> +++ b/drivers/input/touchscreen/edt-ft5x06.c
> @@ -694,7 +694,7 @@ static int edt_ft5x06_debugfs_mode_set(void *data, u64 mode)
>  	return retval;
>  };
>  
> -DEFINE_SIMPLE_ATTRIBUTE(debugfs_mode_fops, edt_ft5x06_debugfs_mode_get,
> +DEFINE_DEBUGFS_ATTRIBUTE(debugfs_mode_fops, edt_ft5x06_debugfs_mode_get,
>  			edt_ft5x06_debugfs_mode_set, "%llu\n");
>  
>  static ssize_t edt_ft5x06_debugfs_raw_data_read(struct file *file,
> -- 
> 1.8.3.1
> 

Thanks.

-- 
Dmitry