linux-kernel - Re: [PATCH v7 04/37] earlycon: add reg-offset to physical address before mapping

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Date:   Thu, 15 Feb 2018 09:40:49 -0600
From:   Rob Herring <robh+dt@...nel.org>
To:     Greentime Hu <green.hu@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     greentime@...estech.com,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Arnd Bergmann <arnd@...db.de>, linux-arch@...r.kernel.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Jason Cooper <jason@...edaemon.net>,
        Marc Zyngier <marc.zyngier@....com>,
        netdev <netdev@...r.kernel.org>, deanbo422@...il.com,
        devicetree@...r.kernel.org, Al Viro <viro@...iv.linux.org.uk>,
        David Howells <dhowells@...hat.com>,
        Will Deacon <will.deacon@....com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        linux-serial@...r.kernel.org,
        Geert Uytterhoeven <geert.uytterhoeven@...il.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Mark Rutland <mark.rutland@....com>, Greg KH <greg@...ah.com>,
        ren_guo@...ky.com, Randy Dunlap <rdunlap@...radead.org>,
        David Miller <davem@...emloft.net>,
        Jonas Bonn <jonas@...thpole.se>,
        Stefan Kristiansson <stefan.kristiansson@...nalahti.fi>,
        Stafford Horne <shorne@...il.com>,
        Peter Hurley <peter@...leysoftware.com>,
        stable <stable@...r.kernel.org>
Subject: Re: [PATCH v7 04/37] earlycon: add reg-offset to physical address
 before mapping

On Tue, Feb 13, 2018 at 3:09 AM, Greentime Hu <green.hu@...il.com> wrote:
> It will get the wrong virtual address because port->mapbase is not added
> the correct reg-offset yet. We have to update it before earlycon_map()
> is called
>
> Signed-off-by: Greentime Hu <greentime@...estech.com>
> Acked-by: Arnd Bergmann <arnd@...db.de>
> Cc: Peter Hurley <peter@...leysoftware.com>
> Cc: stable@...r.kernel.org
> Fixes: 088da2a17619 ("of: earlycon: Initialize port fields from DT
> properties")

This should get applied now rather than sit in numerous revisions of
this series for nds32.

Acked-by: Rob Herring <robh@...nel.org>

Greg, can you apply?

Rob