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

Rob Herring robh at kernel.org
Wed Feb 21 23:14:51 UTC 2018


On Tue, Feb 20, 2018 at 5:10 PM, 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>
> ---
>  drivers/of/dynamic.c | 222 ++++++++++++++++++++++++++++++++++
>  include/linux/of.h   | 328 +++++++++++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 550 insertions(+)

Other than what Geert pointed out,

Reviewed-by: Rob Herring <robh at kernel.org>


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