[PATCH V5 4/7] OF: properties: Implement get_match_data() callback
From: robh+dt@kernel.org (Rob Herring)
Date: 2017-12-04 16:23:40
Also in:
linux-arm-msm, linux-devicetree, lkml
On Fri, Dec 1, 2017 at 10:27 PM, Sinan Kaya [off-list ref] wrote:
quoted hunk ↗ jump to hunk
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 <redacted> --- 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