linux-kernel - Re: [RFT PATCH v3 14/27] arm64: move ICH_ sysreg bits from arm-gic-v3.h to sysreg.h

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Message-ID: <20210324182355.GE13181@willie-the-truck>
Date:   Wed, 24 Mar 2021 18:23:55 +0000
From:   Will Deacon <will@...nel.org>
To:     Hector Martin <marcan@...can.st>
Cc:     linux-arm-kernel@...ts.infradead.org,
        Marc Zyngier <maz@...nel.org>, Rob Herring <robh@...nel.org>,
        Arnd Bergmann <arnd@...nel.org>,
        Olof Johansson <olof@...om.net>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Mark Kettenis <mark.kettenis@...all.nl>,
        Tony Lindgren <tony@...mide.com>,
        Mohamed Mediouni <mohamed.mediouni@...amail.com>,
        Stan Skowronek <stan@...ellium.com>,
        Alexander Graf <graf@...zon.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Mark Rutland <mark.rutland@....com>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jonathan Corbet <corbet@....net>,
        Catalin Marinas <catalin.marinas@....com>,
        Christoph Hellwig <hch@...radead.org>,
        "David S. Miller" <davem@...emloft.net>,
        devicetree@...r.kernel.org, linux-serial@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
        linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFT PATCH v3 14/27] arm64: move ICH_ sysreg bits from
 arm-gic-v3.h to sysreg.h

On Fri, Mar 05, 2021 at 06:38:49AM +0900, Hector Martin wrote:
> These definitions are in arm-gic-v3.h for historical reasons which no
> longer apply. Move them to sysreg.h so the AIC driver can use them, as
> it needs to peek into vGIC registers to deal with the GIC maintentance
> interrupt.
> 
> Signed-off-by: Hector Martin <marcan@...can.st>
> ---
>  arch/arm64/include/asm/sysreg.h    | 60 ++++++++++++++++++++++++++++++
>  include/linux/irqchip/arm-gic-v3.h | 56 ----------------------------
>  2 files changed, 60 insertions(+), 56 deletions(-)

This would be much easier to remove if you just moved the definitions,
rather than reordered than and changed the comments at the same time!

But I *think* nothing had changed, so:

Acked-by: Will Deacon <will@...nel.org>

Will