linux-kernel - Re: [PATCH 04/15] soc: octeontx2: Add mailbox support infra

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Message-ID: <CAK8P3a2fgAVB0+uns9f5MH+2OyZbwvReo9j-=u3=30QoK=2Ksw@mail.gmail.com>
Date:   Tue, 28 Aug 2018 14:03:14 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     sunil.kovvuri@...il.com
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Olof Johansson <olof@...om.net>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        linux-soc@...r.kernel.org, amakarov@...vell.com,
        sgoutham@...vell.com, lbartosik@...vell.com
Subject: Re: [PATCH 04/15] soc: octeontx2: Add mailbox support infra

On Tue, Aug 28, 2018 at 12:57 PM <sunil.kovvuri@...il.com> wrote:
>
> From: Aleksey Makarov <amakarov@...vell.com>
>
> This patch adds mailbox support infrastructure APIs.
> Each RVU device has a dedicated 64KB mailbox region
> shared with it's peer for communication. RVU AF has
> a separate mailbox region shared with each of RVU PFs
> and a RVU PF has a separate region shared with each of
> it's VF.
>
> These set of APIs are used by this driver (RVU AF) and
> other RVU PF/VF drivers eg netdev, crypto e.t.c.
>
> Signed-off-by: Aleksey Makarov <amakarov@...vell.com>
> Signed-off-by: Sunil Goutham <sgoutham@...vell.com>
> Signed-off-by: Lukasz Bartosik <lbartosik@...vell.com>

Why does this driver not use the drivers/mailbox/ infrastructure?

       Arnd