linux-kernel - Re: [PATCH 1/2] drm/exynos/decon: Add include guard to the Exynos7 header

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Date:   Tue, 20 Jun 2017 10:53:51 +0100
From:   Emil Velikov <emil.l.velikov@...il.com>
To:     Krzysztof Kozlowski <krzk@...nel.org>
Cc:     Inki Dae <inki.dae@...sung.com>,
        Joonyoung Shim <jy0922.shim@...sung.com>,
        Seung-Woo Kim <sw0312.kim@...sung.com>,
        Kyungmin Park <kyungmin.park@...sung.com>,
        David Airlie <airlied@...ux.ie>, Kukjin Kim <kgene@...nel.org>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        ML dri-devel <dri-devel@...ts.freedesktop.org>,
        LAKML <linux-arm-kernel@...ts.infradead.org>,
        "moderated list:ARM/S5P EXYNOS AR..." 
        <linux-samsung-soc@...r.kernel.org>,
        "Linux-Kernel@...r. Kernel. Org" <linux-kernel@...r.kernel.org>,
        linux-fbdev <linux-fbdev@...r.kernel.org>,
        Marek Szyprowski <m.szyprowski@...sung.com>
Subject: Re: [PATCH 1/2] drm/exynos/decon: Add include guard to the Exynos7 header

On 19 June 2017 at 17:31, Krzysztof Kozlowski <krzk@...nel.org> wrote:
> Although header is included only once but still having an include guard
> is a good practice.  To avoid confusion, add SoC prefix to existing
> Exynos5433 header include guard.
>
> Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
> ---
>  include/video/exynos5433_decon.h | 6 +++---
>  include/video/exynos7_decon.h    | 5 +++++
>  2 files changed, 8 insertions(+), 3 deletions(-)
>
> diff --git a/include/video/exynos5433_decon.h b/include/video/exynos5433_decon.h
> index 78957c9626f5..b30362da5692 100644
> --- a/include/video/exynos5433_decon.h
> +++ b/include/video/exynos5433_decon.h
> @@ -6,8 +6,8 @@
>   * published by the Free Software Foundationr
>   */
>
> -#ifndef EXYNOS_REGS_DECON_H
> -#define EXYNOS_REGS_DECON_H
> +#ifndef EXYNOS5433_REGS_DECON_H
> +#define EXYNOS5433_REGS_DECON_H
>
Drop the _REGS_ part from the guard on each header? The file name/path
does not have it, plus it'll save some WTF moments when
exynos{5433,7}_regs_decon.h comes about.

Regards,
Emil