diff options
Diffstat (limited to 'include/dm/device.h')
| -rw-r--r-- | include/dm/device.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/dm/device.h b/include/dm/device.h index 45010b4df92..5b8f27d455b 100644 --- a/include/dm/device.h +++ b/include/dm/device.h @@ -363,6 +363,28 @@ struct driver { ll_entry_get(struct driver, __name, driver) /** + * DM_DRIVER_REF() - Get a reference to a driver + * + * This is useful in data structures and code for referencing a driver at + * build time. Before this is used, an extern U_BOOT_DRIVER() must have been + * declared. + * + * For example: + * + * extern U_BOOT_DRIVER(sandbox_fixed_clock); + * + * struct driver *drvs[] = { + * DM_DRIVER_REF(sandbox_fixed_clock), + * }; + * + * @_name: Name of the driver. This must be a valid C identifier, used by the + * linker_list + * @returns struct driver * for the driver + */ +#define DM_DRIVER_REF(_name) \ + ll_entry_ref(struct driver, _name, driver) + +/** * Declare a macro to state a alias for a driver name. This macro will * produce no code but its information will be parsed by tools like * dtoc |