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

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Date: Thu, 22 Feb 2024 14:55:41 +0530
From: Anup Patel <apatel@...tanamicro.com>
To: Thomas Gleixner <tglx@...utronix.de>
Cc: 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>, 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
Subject: Re: [PATCH v13 01/13] irqchip/sifive-plic: Convert PLIC driver into a
 platform driver

On Tue, Feb 20, 2024 at 3:39 PM Thomas Gleixner <tglx@...utronix.de> wrote:
>
> 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....

Okay, I will update.

>
> > 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?

Sure, I will split this into smaller granular patches.

>
> >               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.

Okay, I will update.

Regards,
Anup