linux-kernel - Re: [PATCH] Input: atmel_mxt_ts

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Date:   Thu, 13 Jun 2019 10:47:53 -0700
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     Nathan Huckleberry <nhuck@...gle.com>
Cc:     nick@...anahar.org, dmitry.torokhov@...il.com,
        linux-input@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
        clang-built-linux <clang-built-linux@...glegroups.com>
Subject: Re: [PATCH] Input: atmel_mxt_ts - fix -Wunused-const-variable

On Wed, Jun 12, 2019 at 4:58 PM 'Nathan Huckleberry' via Clang Built
Linux <clang-built-linux@...glegroups.com> wrote:
> Since mxt_video_fops is only used inside an ifdef. It should
> be moved inside the ifdef.

Thanks for the patch! I agree.  I think it would be better and clearer
to sink the definition of `mxt_video_fops` down closer to its use,
immediately before the definition of `mxt_video_device`.  Then it
would be closer to its use and it would also be within the existing
ifdef.

> +++ b/drivers/input/touchscreen/atmel_mxt_ts.c
> @@ -256,6 +256,7 @@ enum v4l_dbg_inputs {
>         MXT_V4L_INPUT_MAX,
>  };
>
> +#ifdef CONFIG_TOUCHSCREEN_ATMEL_MXT_T37
>  static const struct v4l2_file_operations mxt_video_fops = {
>         .owner = THIS_MODULE,
>         .open = v4l2_fh_open,
> @@ -265,6 +266,7 @@ static const struct v4l2_file_operations mxt_video_fops = {
>         .mmap = vb2_fop_mmap,
>         .poll = vb2_fop_poll,
>  };
> +#endif

-- 
Thanks,
~Nick Desaulniers