Messages in this thread | | | From | <> | Subject | RE: [PATCH v4 1/6] dt-bindings: media: platform: visconti: Add Toshiba Visconti Video Input Interface bindings | Date | Tue, 17 Jan 2023 12:29:39 +0000 |
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Hello Krzysztof,
> -----Original Message----- > From: Krzysztof Kozlowski <krzk@kernel.org> > Sent: Thursday, January 12, 2023 5:11 PM > To: ishikawa yuji(石川 悠司 ○RDC□AITC○EA開) > <yuji2.ishikawa@toshiba.co.jp>; hverkuil@xs4all.nl; > laurent.pinchart@ideasonboard.com; mchehab@kernel.org; iwamatsu > nobuhiro(岩松 信洋 □SWC◯ACT) <nobuhiro1.iwamatsu@toshiba.co.jp> > Cc: linux-media@vger.kernel.org; linux-arm-kernel@lists.infradead.org; > linux-kernel@vger.kernel.org; devicetree@vger.kernel.org > Subject: Re: [PATCH v4 1/6] dt-bindings: media: platform: visconti: Add Toshiba > Visconti Video Input Interface bindings > > On 12/01/2023 03:05, yuji2.ishikawa@toshiba.co.jp wrote: > >>>> Compatible must be specific. You called your SoC visconti5, didn't you? > >>>> > >>> > >>> The Video Input Interface hardware is likely to be used at future > >>> SoCs of Visconti Architecture. > >>> Does compatible have to be specific to SoC's model name rather than > >>> architecture name? > >> > >> Compatibles should always be specific to SoC model name. Adding more > >> generic family fallback is also good idea when it is applicable. > >> > > > > I'll update the compatible to "toshiba,visconti5-viif". > > I'll consider adding generic version "toshiba,visconti-viif" when a successor > SoC gets available. > > Are you sure? You will have to wait at least one cycle between DTS and driver > change, due to ABI break of DTB users.
Thank you for the advice. I've come to understand the risk. I would still use only "toshiba,visconti5-viif", because there's enough time for internal evaluation before product release. I can work on DTS and driver change with that time.
> > Best regards, > Krzysztof
Regards, Yuji
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