Re: [PATCH 0/5] ACPI / gpio: Updates to properties

Rafael J. Wysocki
2016-09-29T12:20:32Z

On Thursday, September 29, 2016 10:00:15 AM Mika Westerberg wrote:
> On Wed, Sep 28, 2016 at 11:32:46PM +0200, Rafael J. Wysocki wrote:
> > Hi,
> >
> > On Fri, Sep 23, 2016 at 4:57 PM, Mika Westerberg
> > <mika.westerberg@linux.intel.com> wrote:
> > > Hi,
> > >
> > > This series brings couple of useful GPIO related properties from Device
> > > Tree to ACPI _DSD device properties:
> > >
> > > - Names for GPIO lines
> > > - GPIO hogging
> > > - Holes in GPIO property lists
> > >
> > > We are using these to get Intel Galileo better supported in the mainline
> > > kernel (but these may be useful for other boards as well). For example SPI
> > > chip select on Galileo is connected to a GPIO line so we need to be able to
> > > describe it in ACPI, and at the same time allow native chip selects.
> > >
> > > GPIO hogging can be used to set initial state of certain GPIOs available on
> > > the headers regardless of the BIOS settings (which may be wrong as it knows
> > > nothing about which devices have been connected).
> > >
> > > Mika Westerberg (5):
> > > ACPI / documentation: Use recommended name in GPIO property names
> > > ACPI / gpio: Add support for naming GPIOs
> > > ACPI / gpio: Add hogging support
> > > ACPI / property: Allow holes in reference properties
> > > ACPI / gpio: Allow holes in list of GPIOs for a device
> > >
> > > Documentation/acpi/gpio-properties.txt | 72 ++++++++++++++--
> > > drivers/acpi/property.c | 116 +++++++++++++++++++-------
> > > drivers/gpio/gpiolib-acpi.c | 147 ++++++++++++++++++++++++++++++---
> > > include/linux/acpi.h | 3 +
> > > 4 files changed, 292 insertions(+), 46 deletions(-)
> >
> > I would like to tackle patches [1/5] and [4/5] first, as they are core
> > patches and the rest is against gpiolib-acpi.
>
> Works for me.
>
> I can re-arrange the series so that the two core patches (1,4/5) are
> first and then the GPIO parts.
>
> > Moreover, the documentation patch [1/5] looks like immediately applicable to me.
>
> Yes, it just fixes the names to match what is preferred.

OK, I'll apply it then, no need to resend.

Thanks,
Rafael