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Date:   Sat, 14 May 2022 11:08:45 -0400
From:   William Breathitt Gray <william.gray@...aro.org>
To:     Jonathan Cameron <jic23@...nel.org>,
        Bartosz Golaszewski <brgl@...ev.pl>
Cc:     linux-iio <linux-iio@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        schnelle@...ux.ibm.com, David Laight <David.Laight@...lab.com>,
        macro@...am.me.uk, Lars-Peter Clausen <lars@...afoo.de>
Subject: Re: [PATCH 0/8] Utilize iomap interface for PC104 and friends

On Sat, May 14, 2022 at 03:18:59PM +0100, Jonathan Cameron wrote:
> On Sat, 14 May 2022 14:57:49 +0200
> Bartosz Golaszewski <brgl@...ev.pl> wrote:
> 
> > On Tue, May 10, 2022 at 7:31 PM William Breathitt Gray
> > <william.gray@...aro.org> wrote:
> > >
> > > PC104 cards and similar devices do not need to access I/O ports directly
> > > via inb()/outb() and can instead use the more typical I/O memory
> > > ioread8()/iowrite8() accessor calls by first calling ioport_map(). This
> > > patchset converts the relevant PC104/ISA card drivers to do such. With
> > > these drivers now utilizing I/O memory accessor calls, work can be done
> > > to consolidate some similar devices (e.g. 104-idio-16, pci-idio-16,
> > > etc.) into a unified driver in a future patchset.
> > >
> > > This patchset spawned from a suggestion made in another thread titled
> > > "gpio: add HAS_IOPORT dependencies":
> > > https://lore.kernel.org/all/c3a3cdd99d4645e2bbbe082808cbb2a5@AcuMS.aculab.com/
> > >
> > > William Breathitt Gray (8):
> > >   counter: 104-quad-8: Utilize iomap interface
> > >   gpio: 104-dio-48e: Utilize iomap interface
> > >   gpio: 104-idi-48: Utilize iomap interface
> > >   gpio: 104-idio-16: Utilize iomap interface
> > >   gpio: gpio-mm: Utilize iomap interface
> > >   gpio: ws16c48: Utilize iomap interface
> > >   iio: adc: stx104: Utilize iomap interface
> > >   iio: dac: cio-dac: Utilize iomap interface
> > >
> > >  drivers/counter/104-quad-8.c    | 169 +++++++++++++++++---------------
> > >  drivers/gpio/gpio-104-dio-48e.c |  63 ++++++------
> > >  drivers/gpio/gpio-104-idi-48.c  |  27 ++---
> > >  drivers/gpio/gpio-104-idio-16.c |  33 ++++---
> > >  drivers/gpio/gpio-gpio-mm.c     |  43 ++++----
> > >  drivers/gpio/gpio-ws16c48.c     |  65 ++++++------
> > >  drivers/iio/adc/stx104.c        |  56 ++++++-----
> > >  drivers/iio/dac/cio-dac.c       |  14 +--
> > >  8 files changed, 248 insertions(+), 222 deletions(-)
> > >
> > >
> > > base-commit: ce522ba9ef7e2d9fb22a39eb3371c0c64e2a433e
> > > --
> > > 2.35.3
> > >  
> > 
> > I don't see any dependencies so applied the GPIO part.
> Likewise, I've applied the IIO ones. Initially pushed out as testing
> to see if 0-day finds any issues. Given timing, we may well be looking
> at next merge window now though.
> 
> Thanks,
> 
> Jonathan
> 
> > 
> > Bart

Thanks, I'll pick up the remaining Counter patch in my tree. I'm going
to leave it in the tree as well until the next merge window to give some
time for others to test before it's released.

William Breathitt Gray

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