diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/acpi/property.c | 1 | ||||
| -rw-r--r-- | drivers/base/property.c | 38 | ||||
| -rw-r--r-- | drivers/base/swnode.c | 1 | ||||
| -rw-r--r-- | drivers/of/property.c | 7 |
4 files changed, 47 insertions, 0 deletions
diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c index 80a52a4e66dd..8c53959ee31e 100644 --- a/drivers/acpi/property.c +++ b/drivers/acpi/property.c @@ -1656,6 +1656,7 @@ static int acpi_fwnode_irq_get(const struct fwnode_handle *fwnode, acpi_fwnode_device_dma_supported, \ .device_get_dma_attr = acpi_fwnode_device_get_dma_attr, \ .property_present = acpi_fwnode_property_present, \ + .property_read_bool = acpi_fwnode_property_present, \ .property_read_int_array = \ acpi_fwnode_property_read_int_array, \ .property_read_string_array = \ 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 diff --git a/drivers/base/swnode.c b/drivers/base/swnode.c index eb6eb25b343b..b1726a3515f6 100644 --- a/drivers/base/swnode.c +++ b/drivers/base/swnode.c @@ -677,6 +677,7 @@ static const struct fwnode_operations software_node_ops = { .get = software_node_get, .put = software_node_put, .property_present = software_node_property_present, + .property_read_bool = software_node_property_present, .property_read_int_array = software_node_read_int_array, .property_read_string_array = software_node_read_string_array, .get_name = software_node_get_name, diff --git a/drivers/of/property.c b/drivers/of/property.c index 9d8b68c72c36..2109515a3bc2 100644 --- a/drivers/of/property.c +++ b/drivers/of/property.c @@ -966,6 +966,12 @@ of_fwnode_device_get_dma_attr(const struct fwnode_handle *fwnode) static bool of_fwnode_property_present(const struct fwnode_handle *fwnode, const char *propname) { + return of_property_present(to_of_node(fwnode), propname); +} + +static bool of_fwnode_property_read_bool(const struct fwnode_handle *fwnode, + const char *propname) +{ return of_property_read_bool(to_of_node(fwnode), propname); } @@ -1562,6 +1568,7 @@ const struct fwnode_operations of_fwnode_ops = { .device_dma_supported = of_fwnode_device_dma_supported, .device_get_dma_attr = of_fwnode_device_get_dma_attr, .property_present = of_fwnode_property_present, + .property_read_bool = of_fwnode_property_read_bool, .property_read_int_array = of_fwnode_property_read_int_array, .property_read_string_array = of_fwnode_property_read_string_array, .get_name = of_fwnode_get_name, |