Timer: Allow reset_timer() only for systems with low resolution timers
diff --git a/drivers/block/mg_disk.c b/drivers/block/mg_disk.c
index f9e175d..4407006 100644
--- a/drivers/block/mg_disk.c
+++ b/drivers/block/mg_disk.c
@@ -91,7 +91,9 @@
 	u32 from, cur, err;
 
 	err = MG_ERR_NONE;
+#ifdef CONFIG_SYS_LOW_RES_TIMER
 	reset_timer();
+#endif
 	from = get_timer(0);
 
 	status = readb(mg_base() + MG_REG_STATUS);