diff options
Diffstat (limited to 'drivers/base')
| -rw-r--r-- | drivers/base/devcon.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/base/devcon.c b/drivers/base/devcon.c index d427e806cd73..858b8d2f6ef8 100644 --- a/drivers/base/devcon.c +++ b/drivers/base/devcon.c @@ -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) |