linux-kernel - Re: [PATCH v13 06/13] irqchip: Add RISC-V incoming MSI controller early driver

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Message-ID: <87a5nvfj2s.fsf@all.your.base.are.belong.to.us>
Date: Tue, 20 Feb 2024 12:53:15 +0100
From: Björn Töpel <bjorn@...nel.org>
To: Anup Patel <apatel@...tanamicro.com>, Palmer Dabbelt
 <palmer@...belt.com>, Paul Walmsley <paul.walmsley@...ive.com>, Thomas
 Gleixner <tglx@...utronix.de>, 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: Anup Patel <apatel@...tanamicro.com>, devicetree@...r.kernel.org,
 Saravana Kannan <saravanak@...gle.com>, Marc Zyngier <maz@...nel.org>,
 Anup Patel <anup@...infault.org>, linux-kernel@...r.kernel.org, Atish
 Patra <atishp@...shpatra.org>, linux-riscv@...ts.infradead.org,
 linux-arm-kernel@...ts.infradead.org, Andrew Jones
 <ajones@...tanamicro.com>
Subject: Re: [PATCH v13 06/13] irqchip: Add RISC-V incoming MSI controller
 early driver

Anup Patel <apatel@...tanamicro.com> writes:

> The RISC-V advanced interrupt architecture (AIA) specification
> defines a new MSI controller called incoming message signalled
> interrupt controller (IMSIC) which manages MSI on per-HART (or
> per-CPU) basis. It also supports IPIs as software injected MSIs.
> (For more details refer https://github.com/riscv/riscv-aia)
>
> Let us add an early irqchip driver for RISC-V IMSIC which sets
> up the IMSIC state and provide IPIs.
>
> Signed-off-by: Anup Patel <apatel@...tanamicro.com>

This patch has a couple of checkpatch issues:

CHECK: Alignment should match open parenthesis
CHECK: Please don't use multiple blank lines
CHECK: Please use a blank line after function/struct/union/enum declarations
CHECK: Unnecessary parentheses around 'global->nr_guest_ids < IMSIC_MIN_ID'
CHECK: Unnecessary parentheses around 'global->nr_guest_ids >= IMSIC_MAX_ID'
CHECK: Unnecessary parentheses around 'global->nr_ids < IMSIC_MIN_ID'
CHECK: Unnecessary parentheses around 'global->nr_ids >= IMSIC_MAX_ID'
CHECK: Unnecessary parentheses around global->local
CHECK: Unnecessary parentheses around imsic->lpriv
CHECK: extern prototypes should be avoided in .h files

Björn