linux-kernel - Re: [PATCH v2 14/41] drm/modes: Move named modes parsing to a separate function

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Date:   Tue, 30 Aug 2022 13:43:07 +0300
From:   Jani Nikula <jani.nikula@...ux.intel.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        Maxime Ripard <maxime@...no.tech>
Cc:     Maxime Ripard <mripard@...nel.org>,
        Ben Skeggs <bskeggs@...hat.com>,
        David Airlie <airlied@...ux.ie>, Chen-Yu Tsai <wens@...e.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Lyude Paul <lyude@...hat.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Samuel Holland <samuel@...lland.org>,
        Karol Herbst <kherbst@...hat.com>,
        Noralf Trønnes <noralf@...nnes.org>,
        Emma Anholt <emma@...olt.net>, Daniel Vetter <daniel@...ll.ch>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Hans de Goede <hdegoede@...hat.com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Phil Elwell <phil@...pberrypi.com>,
        Intel Graphics Development <intel-gfx@...ts.freedesktop.org>,
        Dave Stevenson <dave.stevenson@...pberrypi.com>,
        DRI Development <dri-devel@...ts.freedesktop.org>,
        Dom Cobley <dom@...pberrypi.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Nouveau Dev <nouveau@...ts.freedesktop.org>,
        linux-sunxi@...ts.linux.dev,
        Mateusz Kwiatkowski <kfyatek+publicgit@...il.com>
Subject: Re: [PATCH v2 14/41] drm/modes: Move named modes parsing to a
 separate function

On Tue, 30 Aug 2022, Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
> On Mon, Aug 29, 2022 at 3:13 PM Maxime Ripard <maxime@...no.tech> wrote:
>> +#define STR_STRICT_EQ(str, len, cmp) \
>> +       ((strlen(cmp) == len) && !strncmp(str, cmp, len))
>
> This is not part of the move, but newly added.

The same construct is also duplicated elsewhere in the series, and I
kept being confused by it. The above is precisely the same as:

	str_has_prefix(str, cmp) == len

Which is more intuitive and available in string.h instead of being a
local duplicate.


BR,
Jani.

-- 
Jani Nikula, Intel Open Source Graphics Center