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From: "Arnd Bergmann" <arnd@arndb.de>
To: "Krzysztof Kozlowski" <krzk@kernel.org>,
	"Brian Masney" <masneyb@kernel.org>
Cc: "Long Zhao" <longzhao@ambarella.com>,
	"Alexandre Belloni" <alexandre.belloni@bootlin.com>,
	soc@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
	"Michael Turquette" <mturquette@baylibre.com>,
	"Stephen Boyd" <sboyd@kernel.org>,
	"Jerome Brunet" <jbrunet@baylibre.com>,
	linux-clk@vger.kernel.org,
	"Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
	"Rob Herring" <robh@kernel.org>,
	"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
	"Krzysztof Kozlowski" <krzysztof.kozlowski@oss.qualcomm.com>,
	"Conor Dooley" <conor+dt@kernel.org>,
	"Catalin Marinas" <catalin.marinas@arm.com>,
	"Will Deacon" <will@kernel.org>,
	devicetree@vger.kernel.org, "Long Zhao" <zl020895@163.com>,
	linux-kernel@vger.kernel.org, "Linus Walleij" <linusw@kernel.org>
Subject: Re: [PATCH v11 0/5] arm64: add Ambarella CV75 SoC support
Date: Tue, 10 Nov 2026 09:23:27 +0100	[thread overview]
Message-ID: <7eeaf54d-2d7d-420c-a34e-eebc6dd0effe@app.fastmail.com> (raw)
In-Reply-To: <20261110-interesting-hilarious-shark-2dbfc0@quoll>

On Tue, Nov 10, 2026, at 09:02, Krzysztof Kozlowski wrote:
> On Mon, Nov 09, 2026 at 08:22:33PM -0500, Brian Masney wrote:

>> - I can then merge patches 3 and 5 into clk-pile.
>
> You will have code depending on non-exisitng ARCH_AMBARELLA symbol, but
> if that's fine for you then sure.
>
>> 
>> - The DTS folks will take patch 4.
>
> The entire platform is for SoC tree. This sounds ok for
> me, but I am not sure if Arnd was merging pulls with
> dependencies. If not, then worse case the arm64 bits will
> wait a cycle. Anyway, I guess you can take clock bits.

The way I usually handle new SoC families is to have
a separate branch for those beside the usual dt/driver/defconfig
updates, possibly for multiple new SoC families, and
possibly including required drivers. The idea is that
whatever we merge here has at least a chance to boot
into an initramfs with a console.

If it can boot without the clk driver, the easiest way
would be to just keep the clk and arch/arm64 bits
separate. If the clk driver is required to boot, I would
suggest having a branch with the two clk patches that
can get merged (not applied) into both the clk tree
and the soc/newsoc branch to put the other patches
on top. This would make sure we only have each commit
once, but still have a clean history that includes the
driver in both sides.

     Arnd

  reply	other threads:[~2026-11-10  8:24 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-11-05 11:06 Long Zhao via B4 Relay
2026-11-05 11:06 ` [PATCH v11 1/5] dt-bindings: arm: add Ambarella CV75 platforms Long Zhao via B4 Relay
2026-11-05 11:06 ` [PATCH v11 2/5] dt-bindings: clock: add Ambarella CV75 RCT Long Zhao via B4 Relay
2026-11-05 11:06 ` [PATCH v11 3/5] clk: ambarella: add CV75 RCT clock controller Long Zhao via B4 Relay
2026-11-05 11:06 ` [PATCH v11 4/5] arm64: ambarella: add ARCH_AMBARELLA and CV75 EVK DT Long Zhao via B4 Relay
2026-11-05 11:06 ` [PATCH v11 5/5] MAINTAINERS: add ARM/AMBARELLA SoC support Long Zhao via B4 Relay
2026-11-10  1:22 ` [PATCH v11 0/5] arm64: add Ambarella CV75 " Brian Masney
2026-11-10  8:02   ` Krzysztof Kozlowski
2026-11-10  8:23     ` Arnd Bergmann [this message]
2026-11-10  8:27       ` Krzysztof Kozlowski

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