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device property: Introduce fwnode_device_is_available()

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Add fwnode_device_is_available() to tell whether the device corresponding
to a certain fwnode_handle is available for use.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Sakari Ailus
2017-06-06 12:37:39 +03:00
committed by Rafael J. Wysocki
parent 3b27d00e7b
commit 2294b3af05
5 changed files with 27 additions and 0 deletions
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10
drivers/base/property.c
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@@ -1021,6 +1021,16 @@ void fwnode_handle_put(struct fwnode_handle *fwnode)
}
EXPORT_SYMBOL_GPL(fwnode_handle_put);
/**
* fwnode_device_is_available - check if a device is available for use
* @fwnode: Pointer to the fwnode of the device.
*/
bool fwnode_device_is_available(struct fwnode_handle *fwnode)
{
return fwnode_call_int_op(fwnode, device_is_available);
}
EXPORT_SYMBOL_GPL(fwnode_device_is_available);
/**
* device_get_child_node_count - return the number of child nodes for device
* @dev: Device to cound the child nodes for