Commit a521075d authored by Andy Shevchenko's avatar Andy Shevchenko
Browse files

device property: Introduce fwnode_device_is_compatible() helper 



The fwnode_device_is_compatible() helper searches for the
given string in the "compatible" string array property and,
if found, returns true.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
parent 03e9491f

include/linux/property.h

+9 −1
Original line number Diff line number Diff line
@@ -50,7 +50,6 @@ 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(const struct fwnode_handle *fwnode);

bool fwnode_property_present(const struct fwnode_handle *fwnode,

			     const char *propname);

int fwnode_property_read_u8_array(const struct fwnode_handle *fwnode,
@@ -72,6 +71,15 @@ int fwnode_property_read_string(const struct fwnode_handle *fwnode, 
				const char *propname, const char **val);

int fwnode_property_match_string(const struct fwnode_handle *fwnode,

				 const char *propname, const char *string);



bool fwnode_device_is_available(const struct fwnode_handle *fwnode);



static inline

bool fwnode_device_is_compatible(const struct fwnode_handle *fwnode, const char *compat)

{

	return fwnode_property_match_string(fwnode, "compatible", compat) >= 0;

}



int fwnode_property_get_reference_args(const struct fwnode_handle *fwnode,

				       const char *prop, const char *nargs_prop,

				       unsigned int nargs, unsigned int index,