sf: Simplify fastest read cmd code

[u-boot] / include / libfdt.h

diff --git a/include/libfdt.h b/include/libfdt.h
index f13b01f08f71e23808199b9cde80011e547dbd8f..b6a400a7a823ea2bd6a04e6fe3bbe7807a2252bb 100644 (file)
--- a/include/libfdt.h
+++ b/include/libfdt.h
@@ -619,6 +619,13 @@ const void *fdt_getprop_by_offset(const void *fdt, int offset,
  */
 const void *fdt_getprop_namelen(const void *fdt, int nodeoffset,
                                const char *name, int namelen, int *lenp);
+static inline void *fdt_getprop_namelen_w(void *fdt, int nodeoffset,
+                                         const char *name, int namelen,
+                                         int *lenp)
+{
+       return (void *)(uintptr_t)fdt_getprop_namelen(fdt, nodeoffset, name,
+                                                     namelen, lenp);
+}
 
 /**
  * fdt_getprop - retrieve the value of a given property
@@ -1046,6 +1053,27 @@ int fdt_size_cells(const void *fdt, int nodeoffset);
 /* Write-in-place functions                                           */
 /**********************************************************************/
 
+/**
+ * fdt_setprop_inplace_namelen_partial - change a property's value,
+ *                                       but not its size
+ * @fdt: pointer to the device tree blob
+ * @nodeoffset: offset of the node whose property to change
+ * @name: name of the property to change
+ * @namelen: number of characters of name to consider
+ * @index: index of the property to change in the array
+ * @val: pointer to data to replace the property value with
+ * @len: length of the property value
+ *
+ * Identical to fdt_setprop_inplace(), but modifies the given property
+ * starting from the given index, and using only the first characters
+ * of the name. It is useful when you want to manipulate only one value of
+ * an array and you have a string that doesn't end with \0.
+ */
+int fdt_setprop_inplace_namelen_partial(void *fdt, int nodeoffset,
+                                       const char *name, int namelen,
+                                       uint32_t index, const void *val,
+                                       int len);
+
 /**
  * fdt_setprop_inplace - change a property's value, but not its size
  * @fdt: pointer to the device tree blob
@@ -1712,6 +1740,36 @@ int fdt_add_subnode(void *fdt, int parentoffset, const char *name);
  */
 int fdt_del_node(void *fdt, int nodeoffset);
 
+/**
+ * fdt_overlay_apply - Applies a DT overlay on a base DT
+ * @fdt: pointer to the base device tree blob
+ * @fdto: pointer to the device tree overlay blob
+ *
+ * fdt_overlay_apply() will apply the given device tree overlay on the
+ * given base device tree.
+ *
+ * Expect the base device tree to be modified, even if the function
+ * returns an error.
+ *
+ * returns:
+ *     0, on success
+ *     -FDT_ERR_NOSPACE, there's not enough space in the base device tree
+ *     -FDT_ERR_NOTFOUND, the overlay points to some inexistant nodes or
+ *             properties in the base DT
+ *     -FDT_ERR_BADPHANDLE, the phandles in the overlay do not have the right
+ *             magic
+ *     -FDT_ERR_INTERNAL,
+ *     -FDT_ERR_BADLAYOUT,
+ *     -FDT_ERR_BADMAGIC,
+ *     -FDT_ERR_BADOFFSET,
+ *     -FDT_ERR_BADPATH,
+ *     -FDT_ERR_BADVERSION,
+ *     -FDT_ERR_BADSTRUCTURE,
+ *     -FDT_ERR_BADSTATE,
+ *     -FDT_ERR_TRUNCATED, standard meanings
+ */
+int fdt_overlay_apply(void *fdt, void *fdto);
+
 /**********************************************************************/
 /* Debugging / informational functions                                */
 /**********************************************************************/