Hello Pavel,
On Fri, Apr 3, 2015 at 10:21 AM, Pavel Machek <pavel@xxxxxx> wrote:
> Hi!
>
>> > Fixed feedback by Sakari.
>> >
>> > Please apply,
>>
>> There is no need to ask for patches to be applied IMHO. It is expected
>> that people post patches wanting them to be applied unless there is an
>> RFC prefix in the subject or say explicitly that the patch is for
>> testing and should not be picked.
>
> See history of this patch.
>
>> > diff --git a/Documentation/devicetree/bindings/media/i2c/adp1653.txt b/Documentation/devicetree/bindings/media/i2c/adp1653.txt
>>
>> When adding DT bindings, the Documentation portion should be in a
>> separate patch and should come in the series before the patch
>> implementing the binding. That makes the change easier to review,
>> please take a look to points 1 and 3 in
>> Documentation/devicetree/bindings/submitting-patches.txt.
>
> Because actual patch at the end of email is too much eye clutter for
> the poor device tree people, I can prepare nice series... producing
> more work for me and more noise on the lists? No, thanks.
>
I wonder then what's the point of having written rules if people are
not going to follow...
>> > +Required Properties:
>> > +
>> > + - compatible: Must contain be "adi,adp1653"
>> > +
>> > + - reg: I2C slave address
>> > +
>> > + - gpios: References to the GPIO that controls the power for the chip.
>>
>> The convention nowadays is to not use unnamed DT properties for GPIOs
>> but instead use a prefix that explains what those GPIOs are used for.
>> So something like "power-gpios" or "power-gpio" (if there is only one
>> GPIO) will be more suitable. Please take a look to
>> Documentation/gpio/board.txt for more details.
>
> Ok. Actually, reading docs below, "power-gpio" will not work, and it
> needs to be "power-gpios", right?
>
No, the documentation is not updated. People used <function>-gpio so
at the end it was added as another supported suffix, see commit:
dd34c37aa3e8 ("gpio: of: Allow -gpio suffix for property names").
But I guess it doesn't matter if -gpio or -gpios is used.
>> > + if (!of_find_property(node, "gpios", NULL)) {
>> > + dev_err(&client->dev, "No gpio node\n");
>> > + return -EINVAL;
>> > + }
>> > +
>> > + pd->power_gpio = of_get_gpio_flags(node, 0, &flags);
>>
>> The old integer-based GPIO interface is deprecated and we want to get
>> rid of it so please use the descriptor-based for new code. For example
>> you want to use gpiod_get() instead of of_get_gpio_flags().
>> Documentation/gpio/gpio.txt describes the new interface.
>
> Ok.
> Pavel
> --
Best regards,
Javier
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