linux-kernel - Re: [PATCH v13 01/13] irqchip/sifive-plic: Convert PLIC driver into a platform driver

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Date: Tue, 20 Feb 2024 11:09:47 +0100
From: Thomas Gleixner <tglx@...utronix.de>
To: Anup Patel <apatel@...tanamicro.com>, Palmer Dabbelt
 <palmer@...belt.com>, Paul Walmsley <paul.walmsley@...ive.com>, Rob
 Herring <robh+dt@...nel.org>, Krzysztof Kozlowski
 <krzysztof.kozlowski+dt@...aro.org>, Frank Rowand
 <frowand.list@...il.com>, Conor Dooley <conor+dt@...nel.org>
Cc: Marc Zyngier <maz@...nel.org>, Björn Töpel
 <bjorn@...nel.org>, Atish
 Patra <atishp@...shpatra.org>, Andrew Jones <ajones@...tanamicro.com>,
 Sunil V L <sunilvl@...tanamicro.com>, Saravana Kannan
 <saravanak@...gle.com>, Anup Patel <anup@...infault.org>,
 linux-riscv@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org,
 linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, Anup Patel
 <apatel@...tanamicro.com>
Subject: Re: [PATCH v13 01/13] irqchip/sifive-plic: Convert PLIC driver into
 a platform driver

On Tue, Feb 20 2024 at 11:37, Anup Patel wrote:
> The PLIC driver does not require very early initialization so let
> us convert it into a platform driver.

s/let us convert/convert/

Please us passive voice and imperative mood all over the changelogs. No
we/us, let....

> As part of the conversion, the PLIC probing undergoes the following
> changes:
> 1. Use dev_info(), dev_err() and dev_warn() instead of pr_info(),
>    pr_err() and pr_warn()
> 2. Use devm_xyz() APIs wherever applicable
> 3. PLIC is now probed after CPUs are brought-up so we have to
>    setup cpuhp state after context handler of all online CPUs
>    are initialized otherwise we see crash on multi-socket systems

This patch is really doing too many things at once, which makes it hard
to review. Can you split this into digestable pieces please?

>  		if (unlikely(err))
> -			pr_warn_ratelimited("can't find mapping for hwirq %lu\n",
> +			dev_warn_ratelimited(handler->priv->dev,
> +					"can't find mapping for hwirq %lu\n",
>  					hwirq);

Nit. Please use brackets around the condition. See:

https://www.kernel.org/doc/html/latest/process/maintainer-tip.html#bracket-rules

for reasoning.

Thanks,

        tglx