From: Andy Shevchenko <andriy.shevchenko@intel.com>
To: Amit Barzilai <amit.barzilai22@gmail.com>
Cc: Javier Martinez Canillas <javierm@redhat.com>,
David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Maxime Ripard <mripard@kernel.org>,
Thomas Zimmermann <tzimmermann@suse.de>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Fabio Piparo <holofermes@gmail.com>,
dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 4/6] drm/ssd130x: Replace positional ssd130x_spi_id[] initialization with C99
Date: Tue, 18 Aug 2026 11:40:53 +0300 [thread overview]
Message-ID: <aoQalR40NMFSg8zS@ashevche-desk.local> (raw)
In-Reply-To: <20260818080626.30430-5-amit.barzilai22@gmail.com>
On Tue, Aug 18, 2026 at 11:06:24AM +0300, Amit Barzilai wrote:
> ssd130x_spi_id[] is initialized with positional initializers, which
> easily create easy-to-miss bugs when changing the members of the target
> struct (struct spi_device_id in this example).
>
> Change this to C99 initializers to guarantee each member is initialized
> with the correct value.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
...
> static const struct spi_device_id ssd130x_spi_id[] = {
> /* ssd130x family */
> + { .name = "sh1106", .driver_data = SH1106_ID },
Hmm... Is the comment correct for sh1106?
> /* ssd132x family */
> /* ssd133x family */
Overall, what do these comment bring us? Are those families have something in
common? Because the driver data is unique for each device, so I assume it's not
that compatible inside even the same families.
TL;DR: Perhaps simply drop those comments for once?
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2026-08-18 8:41 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-18 8:06 [PATCH v4 0/6] drm/ssd130x: Add support for the Solomon SSD1351 OLED controller Amit Barzilai
2026-08-18 8:06 ` [PATCH v4 1/6] dt-bindings: display: Add " Amit Barzilai
2026-08-18 8:06 ` [PATCH v4 2/6] drm/ssd130x: Change SSD133X color format to RGB565 from RGB332 Amit Barzilai
2026-08-18 8:18 ` sashiko-bot
2026-08-18 8:36 ` Andy Shevchenko
2026-08-18 8:06 ` [PATCH v4 3/6] drm/ssd130x: Constify ssd130x_write_data() 'values' parameter Amit Barzilai
2026-08-18 8:37 ` Andy Shevchenko
2026-08-18 8:06 ` [PATCH v4 4/6] drm/ssd130x: Replace positional ssd130x_spi_id[] initialization with C99 Amit Barzilai
2026-08-18 8:40 ` Andy Shevchenko [this message]
2026-08-18 8:06 ` [PATCH v4 5/6] drm/ssd130x: Implement ssd130x_write_cmd() on top of ssd130x_write_cmds() Amit Barzilai
2026-08-18 8:43 ` Andy Shevchenko
2026-08-18 8:06 ` [PATCH v4 6/6] drm/ssd130x: Add SSD135X_FAMILY and SSD1351 support Amit Barzilai
2026-08-18 8:24 ` sashiko-bot
2026-08-18 8:55 ` Andy Shevchenko
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