Re: [PATCH v4 04/16] of: changesets: Introduce changeset helper methods

From: Rob Herring
Date: Wed Feb 21 2018 - 10:24:24 EST


On Wed, Feb 21, 2018 at 4:21 AM, Geert Uytterhoeven
<geert@xxxxxxxxxxxxxx> wrote:
> Hi Laurent,
>
> On Wed, Feb 21, 2018 at 12:10 AM, Laurent Pinchart
> <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx> wrote:
>> From: Pantelis Antoniou <pantelis.antoniou@xxxxxxxxxxxx>
>>
>> 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");
>>
>> Signed-off-by: Pantelis Antoniou <pantelis.antoniou@xxxxxxxxxxxx>
>> [Fixed memory leak in __of_changeset_add_update_property_copy()]
>> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
>
> You missed one fix I have in my topic/overlays branch
> https://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers.git/commit/?h=topic/overlays&id=150f95b9dec77ce371c229f7ac4d6dd8620bef4a

Are you planning to try to upstream all this? If not, I'll get Frank
to keep changing the overlay API to make carrying it out of tree more
painful. :)

Rob