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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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include/linux/property.h
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@@ -51,6 +51,7 @@ int device_property_read_string(struct device *dev, const char *propname,
int device_property_match_string(struct device *dev,
const char *propname, const char *string);
bool fwnode_device_is_available(struct fwnode_handle *fwnode);
bool fwnode_property_present(struct fwnode_handle *fwnode, const char *propname);
int fwnode_property_read_u8_array(struct fwnode_handle *fwnode,
const char *propname, u8 *val,