Hi Geert,
> On Sep 21, 2015, at 15:47 , Geert Uytterhoeven <[email protected]> wrote:
>
> Hi Pantelis,
>
> On Mon, Sep 21, 2015 at 2:36 PM, Pantelis Antoniou
> <[email protected]> wrote:
>>> On Sep 21, 2015, at 15:35 , Geert Uytterhoeven <[email protected]> wrote:
>>> On Wed, Sep 16, 2015 at 6:11 PM, Pantelis Antoniou
>>> <[email protected]> wrote:
>>>> Changesets are very powerful, but the lack of a helper API
>>>> makes using them cumbersome. Introduce a simple copy based
>>>> API that makes things considerably easier.
>>>>
>>>> To wit, adding a property using the raw API.
>>>>
>>>> struct property *prop;
>>>> prop = kzalloc(sizeof(*prop)), GFP_KERNEL);
>>>> prop->name = kstrdup("compatible");
>>>> prop->value = kstrdup("foo,bar");
>>>> prop->length = strlen(prop->value) + 1;
>>>> of_changeset_add_property(ocs, np, prop);
>>>>
>>>> while using the helper API
>>>>
>>>> of_changeset_add_property_string(ocs, np, "compatible",
>>>> "foo,bar");
>>>
>>> What about removing properties?
>>
>> Once upon a time there was that capability. It was removed after we didn’t
>> have
>> a good use for them yet. Do you have any? I’d be happy to re-add it :)
>
> Aliases?
>
> If an overlay removes e.g. a serial port, it should remove its alias, too.
>
Well, that case is handled. Addition of a property results in removal of a
property when
the overlay is reverted.
This is an accessor API that makes things simpler than what’s internally used at
overlays.
We’re talking about removal of a property/node as part of application.
> Gr{oetje,eeting}s,
>
> Geert
>
Regards
— Pantelis
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 --
> [email protected]
>
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like
> that.
> -- Linus Torvalds
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