linux-kernel - Re: [PATCH 2/6] MIPS: SGI-IP27: remove setup of RTC platform device

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Message-Id: <20190408204847.d9f0c870a690aec8179f0615@suse.de>
Date:   Mon, 8 Apr 2019 20:48:47 +0200
From:   Thomas Bogendoerfer <tbogendoerfer@...e.de>
To:     David Miller <davem@...emloft.net>
Cc:     ralf@...ux-mips.org, paul.burton@...s.com, jhogan@...nel.org,
        dmitry.torokhov@...il.com, lee.jones@...aro.org,
        a.zummo@...ertech.it, alexandre.belloni@...tlin.com,
        gregkh@...uxfoundation.org, jslaby@...e.com,
        linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-input@...r.kernel.org, netdev@...r.kernel.org,
        linux-rtc@...r.kernel.org, linux-serial@...r.kernel.org
Subject: Re: [PATCH 2/6] MIPS: SGI-IP27: remove setup of RTC platform device

On Mon, 08 Apr 2019 10:05:28 -0700 (PDT)
David Miller <davem@...emloft.net> wrote:

> From: Thomas Bogendoerfer <tbogendoerfer@...e.de>
> Date: Mon,  8 Apr 2019 16:20:54 +0200
> 
> > RTC platform device will be setup by new IOC3 MFD driver, therefore
> > remove it from IP27 platform code.
> > 
> > Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@...e.de>
> 
> You cannot break the driver like this.
> 
> Your patch series must be fully bisectable, which means that after
> this patch is applied things still must continue working properly.

I see your point and the ethernet driver itself will work properly, but of
course IP27 will be working again after applying the whole series. One
way I can see to solve this to also add the addition of the serial driver
into it. Then we are on par with the current driver. Does this solve your
concern ?

Thomas.

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