linux-kernel - Re: [PATCH 1/3] staging: iio: meter: Add the comment for mutex definition

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Date:   Tue, 9 May 2017 10:46:18 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Harinath Nampally <harinath922@...il.com>
Cc:     lars@...afoo.de, devel@...verdev.osuosl.org,
        Michael.Hennerich@...log.com, linux-iio@...r.kernel.org,
        gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
        pmeerw@...erw.net, knaack.h@....de, jic23@...nel.org
Subject: Re: [PATCH 1/3] staging: iio: meter: Add the comment for mutex
 definition

On Mon, May 08, 2017 at 10:00:37PM -0400, Harinath Nampally wrote:
> This patch fixes below checkpatch.pl warning:
> CHECK: struct mutex definition without comment
> 
> Signed-off-by: Harinath Nampally <harinath922@...il.com>
> ---
>  drivers/staging/iio/meter/ade7753.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/iio/meter/ade7753.c b/drivers/staging/iio/meter/ade7753.c
> index b71fbd3..cffe6bf 100644
> --- a/drivers/staging/iio/meter/ade7753.c
> +++ b/drivers/staging/iio/meter/ade7753.c
> @@ -78,12 +78,13 @@
>  /**
>   * struct ade7753_state - device instance specific data
>   * @us:         actual spi_device
> + * @buf_lock:       mutex to protect tx and rx
>   * @tx:         transmit buffer
>   * @rx:         receive buffer
> - * @buf_lock:       mutex to protect tx and rx
>   **/
>  struct ade7753_state {
>  	struct spi_device   *us;
> + /* mutex to protect tx and rx */

Not aligned.  We don't need two duplicate comments anyway.

>  	struct mutex        buf_lock;

regards,
dan carpenter