linux-kernel - Re: [PATCH v2 20/23] serial: make SERIAL

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Date:   Tue, 29 Oct 2019 23:50:42 +0100
From:   Rasmus Villemoes <linux@...musvillemoes.dk>
To:     Leo Li <leoyang.li@....com>, Qiang Zhao <qiang.zhao@....com>,
        Christophe Leroy <christophe.leroy@....fr>
Cc:     "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Scott Wood <oss@...error.net>,
        Valentin Longchamp <valentin.longchamp@...mile.com>,
        "linux-serial@...r.kernel.org" <linux-serial@...r.kernel.org>
Subject: Re: [PATCH v2 20/23] serial: make SERIAL_QE depend on PPC32

On 29/10/2019 23.44, Leo Li wrote:
> 
> 
>> -----Original Message-----
>> From: Rasmus Villemoes <linux@...musvillemoes.dk>
>> Sent: Friday, October 25, 2019 7:41 AM
>> To: Qiang Zhao <qiang.zhao@....com>; Leo Li <leoyang.li@....com>;
>> Christophe Leroy <christophe.leroy@....fr>
>> Cc: linuxppc-dev@...ts.ozlabs.org; linux-arm-kernel@...ts.infradead.org;
>> linux-kernel@...r.kernel.org; Scott Wood <oss@...error.net>; Valentin
>> Longchamp <valentin.longchamp@...mile.com>; Rasmus Villemoes
>> <linux@...musvillemoes.dk>; linux-serial@...r.kernel.org
>> Subject: [PATCH v2 20/23] serial: make SERIAL_QE depend on PPC32
>>
>> Currently SERIAL_QE depends on QUICC_ENGINE, which in turn depends on
>> PPC32, so this doesn't add any extra dependency. However, the QUICC
>> Engine IP block also exists on some arm boards, so this serves as preparation
>> for removing the PPC32 dependency from QUICC_ENGINE and build the QE
>> support in drivers/soc/fsl/qe, while preventing allmodconfig/randconfig
>> failures due to SERIAL_QE not being supported yet.
>>
>> Signed-off-by: Rasmus Villemoes <linux@...musvillemoes.dk>
> 
> I think your purpose of this series is to make the QE UART not depending on PPC32.  If it does accomplish that then we don't need this change.

Yeah, as I've said in private, I now have the patches to make this work,
so this patch (and the later one removing it again) are both gone from
my current dev branch. I'll still wait a day or two to allow the ppc
people to respond to the inline/OOL iowrite32be issue, but after that
I'll resend the whole series.

Rasmus