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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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1
include/linux/fwnode.h
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@ -66,6 +66,7 @@ struct fwnode_endpoint {
struct fwnode_operations {
void (*get)(struct fwnode_handle *fwnode);
void (*put)(struct fwnode_handle *fwnode);
bool (*device_is_available)(struct fwnode_handle *fwnode);
bool (*property_present)(struct fwnode_handle *fwnode,
const char *propname);
int (*property_read_int_array)(struct fwnode_handle *fwnode,