linux-kernel - Re: [PATCH v2 6/8] staging: fsl-mc: don't use raw device io functions

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Message-ID: <CAK8P3a3hxA0Vi=BSuuhROQN7gieyyLeSRoRovjH4Vb9mQCAzuw@mail.gmail.com>
Date:   Tue, 18 Jul 2017 16:28:10 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Laurentiu Tudor <laurentiu.tudor@....com>
Cc:     gregkh <gregkh@...uxfoundation.org>,
        Stuart Yoder <stuyoder@...il.com>,
        "devel@...verdev.osuosl.org" <devel@...verdev.osuosl.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Marc Zyngier <marc.zyngier@....com>,
        Alexander Graf <agraf@...e.de>,
        Robin Murphy <robin.murphy@....com>,
        Ioana Ciornei <ioana.ciornei@....com>,
        Ruxandra Ioana Radulescu <ruxandra.radulescu@....com>,
        Bharat Bhushan <bharat.bhushan@....com>,
        Catalin Horghidan <catalin.horghidan@....com>,
        Leo Li <leoyang.li@....com>, Roy Pledge <roy.pledge@....com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v2 6/8] staging: fsl-mc: don't use raw device io functions

On Tue, Jul 18, 2017 at 4:26 PM, Laurentiu Tudor
<laurentiu.tudor@....com> wrote:
>
> Maybe i made an error in my previous emails, but the hi-lo variant is
> the correct one. The command execution is triggered when the _first_
> 32-bit half of the header (header&0xffffffff) is written, so that's why
> it must be written last.

I'm pretty sure I just misremembered it then. Thanks for the clarification.

        Arnd