ddr: marvell: a38x: old: Fix some compiler warning of the old code

Fix some compilation warning in the old DDR training code.

Signed-off-by: Marek BehĂșn <kabel@kernel.org>
diff --git a/drivers/ddr/marvell/a38x/old/ddr3_a38x.c b/drivers/ddr/marvell/a38x/old/ddr3_a38x.c
index cc2e498..8504b9b 100644
--- a/drivers/ddr/marvell/a38x/old/ddr3_a38x.c
+++ b/drivers/ddr/marvell/a38x/old/ddr3_a38x.c
@@ -9,6 +9,7 @@
 #include <asm/io.h>
 #include <asm/arch/cpu.h>
 #include <asm/arch/soc.h>
+#include <linux/delay.h>
 
 #include "ddr3_init.h"
 
diff --git a/drivers/ddr/marvell/a38x/old/ddr3_init.h b/drivers/ddr/marvell/a38x/old/ddr3_init.h
index 8cb0886..ad95cc9 100644
--- a/drivers/ddr/marvell/a38x/old/ddr3_init.h
+++ b/drivers/ddr/marvell/a38x/old/ddr3_init.h
@@ -291,7 +291,9 @@
 extern u32 target_freq;
 extern struct hws_tip_config_func_db config_func_info[HWS_MAX_DEVICE_NUM];
 extern u32 clamp_tbl[];
+#if 0
 extern u32 init_freq;
+#endif
 /* list of allowed frequency listed in order of enum hws_ddr_freq */
 extern u32 freq_val[];
 extern u8 debug_training_static;
diff --git a/drivers/ddr/marvell/a38x/old/ddr3_training.c b/drivers/ddr/marvell/a38x/old/ddr3_training.c
index c5ebd7c..29b31a0 100644
--- a/drivers/ddr/marvell/a38x/old/ddr3_training.c
+++ b/drivers/ddr/marvell/a38x/old/ddr3_training.c
@@ -8,6 +8,7 @@
 #include <asm/io.h>
 #include <asm/arch/cpu.h>
 #include <asm/arch/soc.h>
+#include <linux/delay.h>
 
 #include "ddr3_init.h"
 
diff --git a/drivers/ddr/marvell/a38x/old/ddr3_training_ip_engine.c b/drivers/ddr/marvell/a38x/old/ddr3_training_ip_engine.c
index 7ac23ae..869f397 100644
--- a/drivers/ddr/marvell/a38x/old/ddr3_training_ip_engine.c
+++ b/drivers/ddr/marvell/a38x/old/ddr3_training_ip_engine.c
@@ -8,6 +8,7 @@
 #include <asm/io.h>
 #include <asm/arch/cpu.h>
 #include <asm/arch/soc.h>
+#include <linux/delay.h>
 
 #include "ddr3_init.h"
 
diff --git a/drivers/ddr/marvell/a38x/old/ddr3_training_leveling.c b/drivers/ddr/marvell/a38x/old/ddr3_training_leveling.c
index 8073c2b..d41845a 100644
--- a/drivers/ddr/marvell/a38x/old/ddr3_training_leveling.c
+++ b/drivers/ddr/marvell/a38x/old/ddr3_training_leveling.c
@@ -8,6 +8,7 @@
 #include <asm/io.h>
 #include <asm/arch/cpu.h>
 #include <asm/arch/soc.h>
+#include <linux/delay.h>
 
 #include "ddr3_init.h"