linux-kernel - Re: [PATCH v3 20/38] net: handle HAS

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Date:   Tue, 14 Mar 2023 22:41:04 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Niklas Schnelle <schnelle@...ux.ibm.com>
Cc:     Arnd Bergmann <arnd@...db.de>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Michael Grzeschik <m.grzeschik@...gutronix.de>,
        Wolfgang Grandegger <wg@...ndegger.com>,
        Marc Kleine-Budde <mkl@...gutronix.de>,
        Jesse Brandeburg <jesse.brandeburg@...el.com>,
        Tony Nguyen <anthony.l.nguyen@...el.com>,
        "Maciej W. Rozycki" <macro@...am.me.uk>,
        Ralf Baechle <ralf@...ux-mips.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Alan Stern <stern@...land.harvard.edu>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
        linux-pci@...r.kernel.org, Arnd Bergmann <arnd@...nel.org>,
        netdev@...r.kernel.org, linux-can@...r.kernel.org,
        intel-wired-lan@...ts.osuosl.org, linux-hams@...r.kernel.org
Subject: Re: [PATCH v3 20/38] net: handle HAS_IOPORT dependencies

On Tue, 14 Mar 2023 13:11:58 +0100 Niklas Schnelle wrote:
> In a future patch HAS_IOPORT=n will result in inb()/outb() and friends
> not being declared. We thus need to add HAS_IOPORT as dependency for
> those drivers requiring them. For the DEFXX driver there use of I/O
> ports is optional and we only need to fence those paths.can It also
> turns out that with HAS_IOPORT handled explicitly HAMRADIO does not need
> the !S390 dependency and successfully builds the bpqether driver.

Acked-by: Jakub Kicinski <kuba@...nel.org>