diff options
Diffstat (limited to 'drivers/base/property.c')
| -rw-r--r-- | drivers/base/property.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/base/property.c b/drivers/base/property.c index 837d77e3af2b..c1392743df9c 100644 --- a/drivers/base/property.c +++ b/drivers/base/property.c @@ -71,6 +71,44 @@ bool fwnode_property_present(const struct fwnode_handle *fwnode, EXPORT_SYMBOL_GPL(fwnode_property_present); /** + * device_property_read_bool - Return the value for a boolean property of a device + * @dev: Device whose property is being checked + * @propname: Name of the property + * + * Return if property @propname is true or false in the device firmware description. + * + * Return: true if property @propname is present. Otherwise, returns false. + */ +bool device_property_read_bool(const struct device *dev, const char *propname) +{ + return fwnode_property_read_bool(dev_fwnode(dev), propname); +} +EXPORT_SYMBOL_GPL(device_property_read_bool); + +/** + * fwnode_property_read_bool - Return the value for a boolean property of a firmware node + * @fwnode: Firmware node whose property to check + * @propname: Name of the property + * + * Return if property @propname is true or false in the firmware description. + */ +bool fwnode_property_read_bool(const struct fwnode_handle *fwnode, + const char *propname) +{ + bool ret; + + if (IS_ERR_OR_NULL(fwnode)) + return false; + + ret = fwnode_call_bool_op(fwnode, property_read_bool, propname); + if (ret) + return ret; + + return fwnode_call_bool_op(fwnode->secondary, property_read_bool, propname); +} +EXPORT_SYMBOL_GPL(fwnode_property_read_bool); + +/** * device_property_read_u8_array - return a u8 array property of a device * @dev: Device to get the property of * @propname: Name of the property |