@@ -75,12 +75,36 @@ static struct bus_type *generic_match_buses[] = {
NULL,
};
+static int device_fwnode_match(struct device *dev, void *fwnode)
+{
+ return dev_fwnode(dev) == fwnode;
+}
+
+static void *device_connection_fwnode_match(struct device_connection *con)
+{
+ struct bus_type *bus;
+ struct device *dev;
+
+ for (bus = generic_match_buses[0]; bus; bus++) {
+ dev = bus_find_device(bus, NULL, (void *)con->fwnode,
+ device_fwnode_match);
+ if (dev && !strncmp(dev_name(dev), con->id, strlen(con->id)))
+ return dev;
+
+ put_device(dev);
+ }
+ return NULL;
+}
+
/* This tries to find the device from the most common bus types by name. */
static void *generic_match(struct device_connection *con, int ep, void *data)
{
struct bus_type *bus;
struct device *dev;
+ if (con->fwnode)
+ return device_connection_fwnode_match(con);
+
for (bus = generic_match_buses[0]; bus; bus++) {
dev = bus_find_device_by_name(bus, NULL, con->endpoint[ep]);
if (dev)
When the connections are defined in firmware, struct device_connection will have the fwnode member pointing to the device node (struct fwnode_handle) of the requested device. The endpoint member for the device names will not be used at all in that case. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> --- drivers/base/devcon.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+)