mmc: fsl_esdhc: workaround for hardware 3.3v IO reliability issue

[oweals/u-boot.git] / drivers / core / of_access.c

diff --git a/drivers/core/of_access.c b/drivers/core/of_access.c
index c54baa140adc98a2cb1a4d49147f9ae70f0466ef..922e78f99b8275b812c395ef9968dfb534279baa 100644 (file)
--- a/drivers/core/of_access.c
+++ b/drivers/core/of_access.c
@@ -20,7 +20,9 @@
  */
 
 #include <common.h>
+#include <log.h>
 #include <malloc.h>
+#include <linux/bug.h>
 #include <linux/libfdt.h>
 #include <dm/of_access.h>
 #include <linux/ctype.h>
@@ -171,6 +173,38 @@ const void *of_get_property(const struct device_node *np, const char *name,
        return pp ? pp->value : NULL;
 }
 
+const struct property *of_get_first_property(const struct device_node *np)
+{
+       if (!np)
+               return NULL;
+
+       return  np->properties;
+}
+
+const struct property *of_get_next_property(const struct device_node *np,
+                                           const struct property *property)
+{
+       if (!np)
+               return NULL;
+
+       return property->next;
+}
+
+const void *of_get_property_by_prop(const struct device_node *np,
+                                   const struct property *property,
+                                   const char **name,
+                                   int *lenp)
+{
+       if (!np || !property)
+               return NULL;
+       if (name)
+               *name = property->name;
+       if (lenp)
+               *lenp = property->length;
+
+       return property->value;
+}
+
 static const char *of_prop_next_string(struct property *prop, const char *cur)
 {
        const void *curv = cur;