svn commit: r350044 - in stable/12: share/man/man4 sys/dev/gpio
Andriy Gapon
avg at FreeBSD.org
Tue Jul 16 17:29:43 UTC 2019
On 16/07/2019 18:52, Andriy Gapon wrote:
> Author: avg
> Date: Tue Jul 16 15:52:47 2019
> New Revision: 350044
> URL: https://svnweb.freebsd.org/changeset/base/350044
>
> Log:
> MFC r349460: gpiobus: provide a new hint, pin_list
>
> "pin_list" allows to specify child pins as a list of pin numbers.
> Existing hint "pins" serves the same purpose but with a 32-bit wide bit
> mask. One problem with that is that a controller can have more than 32
> pins. One example is amdgpio. Also, a list of numbers is a little bit
> more human friendly than a matching bit mask. As a side note, it seems
> that in FDT pins are typically specified by their numbers as well.
>
> This commit also adds accessors for instance variables (IVARs) that
> define the child pins. My primary goal is to allow a child to be
> configured programmatically rather than via hints (assuming that FDT is
> not supported on a platform). Also, while a child should not care about
> specific pin numbers that are allocated to it, it could be interested in
> how many were actually assigned to it.
>
> While there, I removed "flags" instance variable. It was unused.
This change (the "flags" removal, specifically) broke build on OFW
platforms (powerpc).
I am working on a fix, it should be trivial.
> Modified:
> stable/12/share/man/man4/gpio.4
> stable/12/sys/dev/gpio/gpiobus.c
> stable/12/sys/dev/gpio/gpiobusvar.h
> Directory Properties:
> stable/12/ (props changed)
--
Andriy Gapon
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