linux-kernel - Re: [PATCH v3 13/13] comedi: add HAS

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Message-ID: <2023091935-unshaven-compound-fbfe@gregkh>
Date:   Tue, 19 Sep 2023 13:54:45 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Niklas Schnelle <schnelle@...ux.ibm.com>
Cc:     Ian Abbott <abbotti@....co.uk>, linux-kernel@...r.kernel.org,
        H Hartley Sweeten <hsweeten@...ionengravers.com>,
        Arnd Bergmann <arnd@...nel.org>
Subject: Re: [PATCH v3 13/13] comedi: add HAS_IOPORT dependencies again

On Tue, Sep 19, 2023 at 01:40:53PM +0200, Niklas Schnelle wrote:
> On Wed, 2023-09-13 at 18:07 +0100, Ian Abbott 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 using them.
> > 
> > This was previously done in commit b5c75b68b7de ("comedi: add HAS_IOPORT
> > dependencies"), but that has been reverted because it made it impossible
> > to select configuration options for several comedi drivers.  This is a
> > do-over that avoids that.
> > 
> > Since the original patch, modifications have been made to various comedi
> > modules so that they can still be built even if the port I/O functions
> > have not been declared, so the configuration options for building those
> > modules no longer need to depend on HAS_IOPORT.
> > 
> > Make the COMEDI_ISA_DRIVERS menu option (which allows configuration
> > options for ISA and PC/104 drivers to be selected) depend on HAS_IOPORT,
> > and also depend on ISA || ISA_BUS || PC104.
> > 
> > Co-developed-by: Arnd Bergmann <arnd@...nel.org>
> > Signed-off-by: Arnd Bergmann <arnd@...nel.org>
> > Co-developed-by: Niklas Schnelle <schnelle@...ux.ibm.com>
> > Signed-off-by: Niklas Schnelle <schnelle@...ux.ibm.com>
> > Cc: Arnd Bergmann <arnd@...nel.org>
> > Cc: Niklas Schnelle <schnelle@...ux.ibm.com>
> > Signed-off-by: Ian Abbott <abbotti@....co.uk>
> > ---
> > v2: N/A.
> > v3: N/A.
> 
> I just gave this another try with the rest of my series including the
> disablement of the I/O port accessors. I tried both allmodconfig and
> allyesconfig on s390x and both seem fine. Also definitely see the
> comedi driver's without HAS_IOPORT dependeny being built.

Great, can we get a tested-by tag for this then?