diff options
Diffstat (limited to 'include/linux/fwnode.h')
| -rw-r--r-- | include/linux/fwnode.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/include/linux/fwnode.h b/include/linux/fwnode.h index 0d79070c5a70..097be89487bf 100644 --- a/include/linux/fwnode.h +++ b/include/linux/fwnode.h @@ -2,6 +2,11 @@ /* * fwnode.h - Firmware device node object handle type definition. * + * This header file provides low-level data types and definitions for firmware + * and device property providers. The respective API header files supplied by + * them should contain all of the requisite data types and definitions for end + * users, so including it directly should not be necessary. + * * Copyright (C) 2015, Intel Corporation * Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com> */ @@ -91,7 +96,7 @@ struct fwnode_endpoint { #define SWNODE_GRAPH_PORT_NAME_FMT "port@%u" #define SWNODE_GRAPH_ENDPOINT_NAME_FMT "endpoint@%u" -#define NR_FWNODE_REFERENCE_ARGS 8 +#define NR_FWNODE_REFERENCE_ARGS 16 /** * struct fwnode_reference_args - Fwnode reference with additional arguments @@ -112,6 +117,7 @@ struct fwnode_reference_args { * @device_is_available: Return true if the device is available. * @device_get_match_data: Return the device driver match data. * @property_present: Return true if a property is present. + * @property_read_bool: Return a boolean property value. * @property_read_int_array: Read an array of integer properties. Return zero on * success, a negative error code otherwise. * @property_read_string_array: Read an array of string properties. Return zero @@ -141,6 +147,8 @@ struct fwnode_operations { (*device_get_dma_attr)(const struct fwnode_handle *fwnode); bool (*property_present)(const struct fwnode_handle *fwnode, const char *propname); + bool (*property_read_bool)(const struct fwnode_handle *fwnode, + const char *propname); int (*property_read_int_array)(const struct fwnode_handle *fwnode, const char *propname, unsigned int elem_size, void *val, |