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

Rob Herring robh at kernel.org
Wed Feb 21 15:23:44 UTC 2018


On Wed, Feb 21, 2018 at 4:21 AM, Geert Uytterhoeven
<geert at linux-m68k.org> wrote:
> Hi Laurent,
>
> On Wed, Feb 21, 2018 at 12:10 AM, Laurent Pinchart
> <laurent.pinchart+renesas at ideasonboard.com> wrote:
>> From: Pantelis Antoniou <pantelis.antoniou at konsulko.com>
>>
>> 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 at konsulko.com>
>> [Fixed memory leak in __of_changeset_add_update_property_copy()]
>> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas at ideasonboard.com>
>
> 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


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