From: Eliad Peller <el...@wizery.com>
commit 2e98a32a274274fca0e6e ("backport: add
of_property_read_u64_array()") added a call
to of_find_property_value_of_size(), which is a
static function, causing compilation error.
Implement it locally as well.
Signed-off-by: Eliad Peller <eliadx.pel...@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumb...@intel.com>
---
backport/compat/backport-3.18.c | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/backport/compat/backport-3.18.c b/backport/compat/backport-3.18.c
index bed5d96..60cd3c4 100644
--- a/backport/compat/backport-3.18.c
+++ b/backport/compat/backport-3.18.c
@@ -225,6 +225,34 @@ EXPORT_SYMBOL_GPL(bit_wait_timeout);
#ifdef CONFIG_OF
/**
+ * of_find_property_value_of_size
+ *
+ * @np: device node from which the property value is to be read.
+ * @propname: name of the property to be searched.
+ * @len: requested length of property value
+ *
+ * Search for a property in a device node and valid the requested size.
+ * Returns the property value on success, -EINVAL if the property does not
+ * exist, -ENODATA if property does not have a value, and -EOVERFLOW if the
+ * property data isn't large enough.
+ *
+ */
+static void *of_find_property_value_of_size(const struct device_node *np,
+ const char *propname, u32 len)
+{
+ struct property *prop = of_find_property(np, propname, NULL);
+
+ if (!prop)
+ return ERR_PTR(-EINVAL);
+ if (!prop->value)
+ return ERR_PTR(-ENODATA);
+ if (len > prop->length)
+ return ERR_PTR(-EOVERFLOW);
+
+ return prop->value;
+}
+
+/**
* of_property_read_u64_array - Find and read an array of 64 bit integers
* from a property.
*
--
2.5.0
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