On Tue, Aug 09, 2022 at 07:57:32AM +0200, Ahmad Fatoum wrote:
> board code fix up the device tree for OS consumption. Sometimes it's
> useful for the fixup to append onto an existing property.
> Add a helper that simplifies this.
>
> Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
> ---
> drivers/of/base.c | 36 ++++++++++++++++++++++++++++++++++++
> include/of.h | 8 ++++++++
> 2 files changed, 44 insertions(+)
>
> diff --git a/drivers/of/base.c b/drivers/of/base.c
> index 101b2f74c74f..0893bdf3e04f 100644
> --- a/drivers/of/base.c
> +++ b/drivers/of/base.c
> @@ -2321,6 +2321,42 @@ int of_set_property(struct device_node *np, const char *name, const void *val, i
> return 0;
> }
>
> +int of_append_property(struct device_node *np, const char *name, const void *val, int len)
> +{
> + struct property *pp;
> + void *buf = NULL;
> + int orig_len = 0;
> +
> + if (!np)
> + return -ENOENT;
> +
> + pp = of_find_property(np, name, NULL);
if (!pp) {
of_new_property(np, name, val, len);
return 0;
}
With that you can make the rest of the function more straight forward.
Sascha
--
Pengutronix e.K. | |
Steuerwalder Str. 21 | http://www.pengutronix.de/ |
31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
