[PATCH v4 3/4] of/property: Add of_fwnode_name()
From: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Date: 2018-11-27 14:29:08
Also in:
linux-acpi, lkml
Subsystem:
open firmware and flattened device tree, the rest · Maintainers:
Rob Herring, Saravana Kannan, Linus Torvalds
This implements get_name fwnode op for DT. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> --- drivers/of/property.c | 13 +++++++++++++ 1 file changed, 13 insertions(+)
diff --git a/drivers/of/property.c b/drivers/of/property.c
index f46828e3b082..403bc9cbbaf4 100644
--- a/drivers/of/property.c
+++ b/drivers/of/property.c@@ -823,6 +823,18 @@ static void of_fwnode_put(struct fwnode_handle *fwnode) of_node_put(to_of_node(fwnode)); } +static int of_fwnode_get_name(const struct fwnode_handle *fwnode, char *buf, + size_t len) +{ + const struct device_node *node = to_of_node(fwnode); + + if (len < snprintf(NULL, 0, "%pOFn", node) + 1) + return -EOVERFLOW; + + sprintf(buf, "%pOFn", node); + return 0; +} + static bool of_fwnode_device_is_available(const struct fwnode_handle *fwnode) { return of_device_is_available(to_of_node(fwnode));
@@ -987,6 +999,7 @@ of_fwnode_device_get_match_data(const struct fwnode_handle *fwnode, const struct fwnode_operations of_fwnode_ops = { .get = of_fwnode_get, .put = of_fwnode_put, + .get_name = of_fwnode_get_name, .device_is_available = of_fwnode_device_is_available, .device_get_match_data = of_fwnode_device_get_match_data, .property_present = of_fwnode_property_present,
--
2.19.2