diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2020-04-08 19:09:02 +0300 |
|---|---|---|
| committer | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2020-04-20 14:41:56 +0300 |
| commit | 02094d54870590a667f822e4032bbd1ba6c48d00 (patch) | |
| tree | 9d3bcbcd2307c77280560827edba97116061483b /drivers/base/swnode.c | |
| parent | 96489ae170fb30b62f817c86c8e64b150b55a7ff (diff) | |
| download | linux-02094d54870590a667f822e4032bbd1ba6c48d00.tar.bz2 | |
software node: Allow register and unregister software node groups
Sometimes it's more convenient to register a set of individual software nodes
grouped together. Add couple of functions for that.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Rafael J. Wysocki <rjw@rjwysocki.net>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Diffstat (limited to 'drivers/base/swnode.c')
| -rw-r--r-- | drivers/base/swnode.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/drivers/base/swnode.c b/drivers/base/swnode.c index de8d3543e8fe..2079937ddb51 100644 --- a/drivers/base/swnode.c +++ b/drivers/base/swnode.c @@ -727,6 +727,54 @@ void software_node_unregister_nodes(const struct software_node *nodes) EXPORT_SYMBOL_GPL(software_node_unregister_nodes); /** + * software_node_register_node_group - Register a group of software nodes + * @node_group: NULL terminated array of software node pointers to be registered + * + * Register multiple software nodes at once. + */ +int software_node_register_node_group(const struct software_node **node_group) +{ + unsigned int i; + int ret; + + if (!node_group) + return 0; + + for (i = 0; node_group[i]; i++) { + ret = software_node_register(node_group[i]); + if (ret) { + software_node_unregister_node_group(node_group); + return ret; + } + } + + return 0; +} +EXPORT_SYMBOL_GPL(software_node_register_node_group); + +/** + * software_node_unregister_node_group - Unregister a group of software nodes + * @node_group: NULL terminated array of software node pointers to be unregistered + * + * Unregister multiple software nodes at once. + */ +void software_node_unregister_node_group(const struct software_node **node_group) +{ + struct swnode *swnode; + unsigned int i; + + if (!node_group) + return; + + for (i = 0; node_group[i]; i++) { + swnode = software_node_to_swnode(node_group[i]); + if (swnode) + fwnode_remove_software_node(&swnode->fwnode); + } +} +EXPORT_SYMBOL_GPL(software_node_unregister_node_group); + +/** * software_node_register - Register static software node * @node: The software node to be registered */ |