mtd: make mtd_partition.name const

This allows to drop a few casts.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
diff --git a/drivers/mtd/ofpart.c b/drivers/mtd/ofpart.c
index d64f8c3..f0a708b 100644
--- a/drivers/mtd/ofpart.c
+++ b/drivers/mtd/ofpart.c
@@ -81,7 +81,7 @@
 		partname = of_get_property(pp, "label", &len);
 		if (!partname)
 			partname = of_get_property(pp, "name", &len);
-		(*pparts)[i].name = (char *)partname;
+		(*pparts)[i].name = partname;
 
 		if (of_get_property(pp, "read-only", &len))
 			(*pparts)[i].mask_flags |= MTD_WRITEABLE;
@@ -152,7 +152,7 @@
 		if (names && (plen > 0)) {
 			int len = strlen(names) + 1;
 
-			(*pparts)[i].name = (char *)names;
+			(*pparts)[i].name = names;
 			plen -= len;
 			names += len;
 		} else {