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From: Krzysztof Kozlowski <krzk@kernel.org>
To: Wolfram Sang <wsa+renesas@sang-engineering.com>
Cc: linux-renesas-soc@vger.kernel.org,
	Mark Brown <broonie@kernel.org>,  Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	 Conor Dooley <conor+dt@kernel.org>,
	Geert Uytterhoeven <geert+renesas@glider.be>,
	 Magnus Damm <magnus.damm@gmail.com>,
	linux-spi@vger.kernel.org, devicetree@vger.kernel.org
Subject: Re: [PATCH v4 1/4] spi: dt-bindings: snps,dw-apb-ssi: drop superfluous RZ/N1 entry
Date: Tue, 30 Jun 2026 08:47:45 +0200	[thread overview]
Message-ID: <20260630-dazzling-intrepid-lobster-c83db6@quoll> (raw)
In-Reply-To: <20260626180326.9593-2-wsa+renesas@sang-engineering.com>

On Fri, Jun 26, 2026 at 08:03:22PM +0200, Wolfram Sang wrote:
> Commit 164c05f03ffa ("spi: Convert DW SPI binding to DT schema") added
> an RZ/N1 entry which was not in the original txt-file. It doesn't follow
> the usual "<soc entry>, <soc family entry>" style for Renesas SoCs which
> was properly added later with commit 029d32a892a8 ("spi: dw-apb-ssi:

Does not matter really. It was added apparently to match the compatibles
used.

> Integrate Renesas RZ/N1 SPI controller"). In that commit, removing the
> bogus entry was overlooked and is finally done now.

You introduce undocumented ABI or your patchset is non-bisectable. Past
commit is past history, so not really a reason to introduce new errors
(and undocumented ABI is considered such).

Please drop the patch or fix it.

Best regards,
Krzysztof


  parent reply	other threads:[~2026-06-30  6:47 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-26 18:03 [PATCH v4 0/4] ARM: dts: renesas: r9a06g032-rzn1d400-eb: Enable SPI and FRAM Wolfram Sang
2026-06-26 18:03 ` [PATCH v4 1/4] spi: dt-bindings: snps,dw-apb-ssi: drop superfluous RZ/N1 entry Wolfram Sang
2026-06-29  9:32   ` Geert Uytterhoeven
2026-06-30  6:47   ` Krzysztof Kozlowski [this message]
2026-06-30  6:50     ` Krzysztof Kozlowski
2026-07-01 11:16       ` Wolfram Sang
2026-06-26 18:03 ` [PATCH v4 2/4] spi: dt-bindings: snps,dw-apb-ssi: add 'power-domains' property Wolfram Sang
2026-06-30  6:50   ` Krzysztof Kozlowski
2026-06-30 15:41   ` Geert Uytterhoeven
2026-06-26 18:03 ` [PATCH v4 3/4] ARM: dts: renesas: r9a06g032: Describe SPI controllers Wolfram Sang
2026-06-29 13:23   ` Geert Uytterhoeven
2026-06-26 18:03 ` [PATCH v4 4/4] ARM: dts: renesas: r9a06g032-rzn1d400-eb: Enable SPI-FRAM Wolfram Sang
2026-06-29 13:24   ` Geert Uytterhoeven

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