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

From: Rafael J. Wysocki
Date: Wed Oct 19 2016 - 17:22:40 EST


On Wed, Oct 19, 2016 at 2:41 PM, Mika Westerberg
<mika.westerberg@xxxxxxxxxxxxxxx> wrote:
> On Fri, Sep 23, 2016 at 05:57:05PM +0300, Mika Westerberg 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
>
> Any comments on the GPIO patches in this series?
>
> At least the last one does not add any new bindings so it should be fine
> to apply.

I have no comments, but I'd suggest resending them as a new series on
top of 4.9-rc1 (which includes the generic patches from this series).

You can add my ACK to them if that helps.

Thanks,
Rafael