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SubjectRe: [PATCH V5 4/7] OF: properties: Implement get_match_data() callback
On Fri, Dec 1, 2017 at 10:27 PM, Sinan Kaya <okaya@codeaurora.org> wrote:
> Now that we have a get_match_data() callback as part of the firmware node,
> implement the OF specific piece for it.
>
> Signed-off-by: Sinan Kaya <okaya@codeaurora.org>
> ---
> drivers/of/property.c | 17 +++++++++++++++++
> 1 file changed, 17 insertions(+)
>
> diff --git a/drivers/of/property.c b/drivers/of/property.c
> index 264c355..adcde1a 100644
> --- a/drivers/of/property.c
> +++ b/drivers/of/property.c
> @@ -981,6 +981,22 @@ static int of_fwnode_graph_parse_endpoint(const struct fwnode_handle *fwnode,
> return 0;
> }
>
> +void *of_fwnode_get_match_data(const struct fwnode_handle *fwnode,
> + const struct device_driver *drv)
> +{
> + const struct device_node *node = to_of_node(fwnode);
> + const struct of_device_id *match;
> +
> + if (!node)
> + return NULL;

of_match_node checks this.

> +
> + match = of_match_node(drv->of_match_table, node);
> + if (!match)
> + return NULL;
> +
> + return (void *)match->data;

Don't need a cast here.

of_device_get_match_data() already does most of this, but getting a
device ptr from fwnode_handle may not be possible?

Rob

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