fdt_support: Move of_read_number to fdt_support.h
This is being done so that it can be used outside 'fdt_support.c'. Making
life more convenient when reading device node properties that can be 32
or 64 bits long.
Signed-off-by: Arnab Basu <arnab.basu@freescale.com>
Cc: Scott Wood <scottwood@freescale.com>
diff --git a/include/fdt_support.h b/include/fdt_support.h
index 1bda686..649fbd6 100644
--- a/include/fdt_support.h
+++ b/include/fdt_support.h
@@ -133,6 +133,15 @@
return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_FAIL, 0);
}
+/* Helper to read a big number; size is in cells (not bytes) */
+static inline u64 of_read_number(const fdt32_t *cell, int size)
+{
+ u64 r = 0;
+ while (size--)
+ r = (r << 32) | fdt32_to_cpu(*(cell++));
+ return r;
+}
+
#endif /* ifdef CONFIG_OF_LIBFDT */
#ifdef USE_HOSTCC