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SubjectRe: [PATCH v10] gpio: Add GPIO support for the ACCES 104-IDIO-16
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On Tue, Oct 27, 2015 at 5:51 PM, Mika Westerberg
<mika.westerberg@linux.intel.com> wrote:
> On Tue, Oct 27, 2015 at 05:42:23PM +0100, Linus Walleij wrote:
>> On Tue, Oct 27, 2015 at 3:23 PM, Mika Westerberg
>> <mika.westerberg@linux.intel.com> wrote:
>> > On Tue, Oct 27, 2015 at 11:06:58AM +0100, Linus Walleij wrote:
>> >> > +menu "ISA GPIO drivers"
>> >> > +
>> >> > +config GPIO_104_IDIO_16
>> >> > + tristate "ACCES 104-IDIO-16 GPIO support"
>> >> > + depends on X86
>> >> > + help
>> >> > + Enables GPIO support for the ACCES 104-IDIO-16 family.
>> >> > +
>> >> > +endmenu
>> >>
>> >> I have five other drivers using port-based I/O:
>> >>
>> >> gpio-f7188x.c
>> >> gpio-it87.c
>> >> gpio-sch.c
>> >> gpio-sch311x.c
>> >> gpio-ts5500.c
>> >>
>> >> Do you think it makes sense to move all of these in under
>> >> the "ISA GPIO drivers" menu as well? I guess they all require
>> >> ISA after all.
>> >>
>> >> (Added their maintainers to the To: line so I can get some input
>> >> on this.)
>> >
>> > Not all of them actually require ISA. For example gpio-sch is part of an
>> > MFD device which is a PCI device. PCI bus also has notion of I/O ports.
>>
>> Hm, is there a more fitting symbol we should sort it under, which
>> means thingofabob-that-has-portmapped I/O?
>
> Well, there's already "Memory mapped GPIO drivers" so how about "I/O
> mapped GPIO drivers"?

Sure, "Port-mapped I/O GPIO drivers"

But what should I put as "depends" for that submenu, that is maybe
the real question.

Would (ISA || PCI) suffice?

Yours,
Linus Walleij


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