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Date:   Mon, 14 Feb 2022 09:21:25 +0000 (GMT)
From:   "Maciej W. Rozycki" <macro@orcam.me.uk>
To:     Niklas Schnelle <schnelle@linux.ibm.com>
cc:     Geert Uytterhoeven <geert@linux-m68k.org>,
        Sudip Mukherjee <sudipm.mukherjee@gmail.com>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will@kernel.org>, Guo Ren <guoren@kernel.org>,
        Paul Walmsley <paul.walmsley@sifive.com>,
        Palmer Dabbelt <palmer@dabbelt.com>,
        Albert Ou <aou@eecs.berkeley.edu>,
        Heiko Carstens <hca@linux.ibm.com>,
        Vasily Gorbik <gor@linux.ibm.com>,
        Christian Borntraeger <borntraeger@linux.ibm.com>,
        Alexander Gordeev <agordeev@linux.ibm.com>,
        Sven Schnelle <svens@linux.ibm.com>,
        Jeff Dike <jdike@addtoit.com>,
        Richard Weinberger <richard@nod.at>,
        Anton Ivanov <anton.ivanov@cambridgegreys.com>,
        Chris Zankel <chris@zankel.net>,
        Max Filippov <jcmvbkbc@gmail.com>,
        linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org,
        linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org,
        linux-um@lists.infradead.org, linux-xtensa@linux-xtensa.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH] parport_pc: Also enable driver for PCI systems
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On Mon, 14 Feb 2022, Niklas Schnelle wrote:

> > > --- linux-macro.orig/drivers/parport/Kconfig
> > > +++ linux-macro/drivers/parport/Kconfig
> > > @@ -42,7 +42,7 @@ if PARPORT
> > > 
> > >  config PARPORT_PC
> > >         tristate "PC-style hardware"
> > > -       depends on ARCH_MIGHT_HAVE_PC_PARPORT
> > > +       depends on ARCH_MIGHT_HAVE_PC_PARPORT || PCI
> 
> This would allow selecting PARPORT_PC on s390 e.g. for allyesconfig and
> randconfig and like POWER9 we definitely do not support I/O port
> access.

 I guess we'll have to stop it with !S390 then short-term.  I don't think 
an issue with s390 should be blocking all the other platforms that can use 
these drivers just fine.  I'll post v2 with that installed if you agree.

  Maciej