Make use of generic 64bit division in nand_util.c

Use generic 64bit division in nand_util.c. This makes nand_util.c
independent of any toolchain 64bit division.

Signed-off-by: Dirk Behme <dirk.behme@gmail.com>

drivers/nand/nand_util.c

@@ -37,6 +37,7 @@
 #include <command.h>
 #include <watchdog.h>
 #include <malloc.h>
+#include <div64.h>
 
 #include <nand.h>
 #include <jffs2/jffs2.h>
@@ -208,10 +209,10 @@ int nand_erase_opts(nand_info_t *meminfo, const nand_erase_options_t *opts)
 		}
 
 		if (!opts->quiet) {
-			int percent = (int)
-				((unsigned long long)
+                        unsigned long long n =(unsigned long long)
 				 (erase.addr+meminfo->erasesize-opts->offset)
-				 * 100 / erase_length);
+				 * 100;
+			int percent = (int)do_div(n, erase_length);
 
 			/* output progress message only at whole percent
 			 * steps to reduce the number of messages printed
@@ -475,10 +476,9 @@ int nand_write_opts(nand_info_t *meminfo, const nand_write_options_t *opts)
 		imglen -= readlen;
 
 		if (!opts->quiet) {
-			int percent = (int)
-				((unsigned long long)
-				 (opts->length-imglen) * 100
-				 / opts->length);
+                        unsigned long long n = (unsigned long long)
+			         (opts->length-imglen) * 100;
+			int percent = (int)do_div(n, opts->length);
 			/* output progress message only at whole percent
 			 * steps to reduce the number of messages printed
 			 * on (slow) serial consoles
@@ -651,10 +651,9 @@ int nand_read_opts(nand_info_t *meminfo, const nand_read_options_t *opts)
 		}
 
 		if (!opts->quiet) {
-			int percent = (int)
-				((unsigned long long)
-				 (opts->length-imglen) * 100
-				 / opts->length);
+                        unsigned long long n = (unsigned long long)
+			         (opts->length-imglen) * 100;
+			int percent = (int)do_div(n ,opts->length);
 			/* output progress message only at whole percent
 			 * steps to reduce the number of messages printed
 			 * on (slow) serial consoles