diff options
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/bus.c | 18 | ||||
| -rw-r--r-- | drivers/acpi/property.c | 8 |
2 files changed, 26 insertions, 0 deletions
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 4d0979e02a28..f87ed3be779a 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -785,6 +785,24 @@ const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, } EXPORT_SYMBOL_GPL(acpi_match_device); +void *acpi_get_match_data(const struct device *dev) +{ + const struct acpi_device_id *match; + + if (!dev->driver) + return NULL; + + if (!dev->driver->acpi_match_table) + return NULL; + + match = acpi_match_device(dev->driver->acpi_match_table, dev); + if (!match) + return NULL; + + return (void *)match->driver_data; +} +EXPORT_SYMBOL_GPL(acpi_get_match_data); + int acpi_match_device_ids(struct acpi_device *device, const struct acpi_device_id *ids) { diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c index e26ea209b63e..466d1503aba0 100644 --- a/drivers/acpi/property.c +++ b/drivers/acpi/property.c @@ -1271,9 +1271,17 @@ static int acpi_fwnode_graph_parse_endpoint(const struct fwnode_handle *fwnode, return 0; } +static void * +acpi_fwnode_device_get_match_data(const struct fwnode_handle *fwnode, + const struct device *dev) +{ + return acpi_get_match_data(dev); +} + #define DECLARE_ACPI_FWNODE_OPS(ops) \ const struct fwnode_operations ops = { \ .device_is_available = acpi_fwnode_device_is_available, \ + .device_get_match_data = acpi_fwnode_device_get_match_data, \ .property_present = acpi_fwnode_property_present, \ .property_read_int_array = \ acpi_fwnode_property_read_int_array, \ |