device property: fallback to pset when gettng one string

The one string as an equivalent to an array of one element. Allow user to read
one string as a plain string.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/base/property.c b/drivers/base/property.c
index 37a7bb7b239d..841b15c5c058 100644
--- a/drivers/base/property.c
+++ b/drivers/base/property.c
@@ -462,7 +462,8 @@ int fwnode_property_read_string(struct fwnode_handle *fwnode,
                 return acpi_dev_prop_read(to_acpi_node(fwnode), propname,
                                           DEV_PROP_STRING, val, 1);
 
-        return -ENXIO;
+        return pset_prop_read_array(to_pset(fwnode), propname,
+                                    DEV_PROP_STRING, val, 1);
 }
 EXPORT_SYMBOL_GPL(fwnode_property_read_string);