linux-kernel - Re: [PATCH] parport_pc: Also enable driver for PCI systems

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Date:   Mon, 14 Feb 2022 10:53:13 +0100
From:   Niklas Schnelle <schnelle@...ux.ibm.com>
To:     "Maciej W. Rozycki" <macro@...am.me.uk>
Cc:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        Sudip Mukherjee <sudipm.mukherjee@...il.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>, Guo Ren <guoren@...nel.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Heiko Carstens <hca@...ux.ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Christian Borntraeger <borntraeger@...ux.ibm.com>,
        Alexander Gordeev <agordeev@...ux.ibm.com>,
        Sven Schnelle <svens@...ux.ibm.com>,
        Jeff Dike <jdike@...toit.com>,
        Richard Weinberger <richard@....at>,
        Anton Ivanov <anton.ivanov@...bridgegreys.com>,
        Chris Zankel <chris@...kel.net>,
        Max Filippov <jcmvbkbc@...il.com>,
        linux-arm-kernel@...ts.infradead.org, linux-csky@...r.kernel.org,
        linux-riscv@...ts.infradead.org, linux-s390@...r.kernel.org,
        linux-um@...ts.infradead.org, linux-xtensa@...ux-xtensa.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] parport_pc: Also enable driver for PCI systems

On Mon, 2022-02-14 at 09:21 +0000, Maciej W. Rozycki wrote:
> 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

Though a bit ugly that sounds fine by me. Thanks.