Name

of_property_read_u64 — read a 64 bit integer from a property

Synopsis

int of_property_read_u64 (const struct device_node * np,
 const char * propname,
 u64 * out_value);
 

Arguments

np

Pointer to node containing the property

propname

Name of the property to be searched

out_value

Pointer used to return the value

Description

Search for a property in a device node and read a 64-bit value from it.

Return

0 on success, -EINVAL if the property does not exist, -ENODATA if property does not have a value, and -EOVERFLOW if the property data is not large enough.