diff --git a/drivers/watchdog/ast_wdt.c b/drivers/watchdog/ast_wdt.c
index d344d54..fe2f6be 100644
--- a/drivers/watchdog/ast_wdt.c
+++ b/drivers/watchdog/ast_wdt.c
@@ -9,6 +9,7 @@
 #include <wdt.h>
 #include <asm/io.h>
 #include <asm/arch/wdt.h>
+#include <linux/err.h>
 
 #define WDT_AST2500	2500
 #define WDT_AST2400	2400
diff --git a/drivers/watchdog/cdns_wdt.c b/drivers/watchdog/cdns_wdt.c
index 6a608b6..13952e1 100644
--- a/drivers/watchdog/cdns_wdt.c
+++ b/drivers/watchdog/cdns_wdt.c
@@ -11,6 +11,7 @@
 #include <wdt.h>
 #include <clk.h>
 #include <div64.h>
+#include <linux/err.h>
 #include <linux/io.h>
 
 DECLARE_GLOBAL_DATA_PTR;
diff --git a/drivers/watchdog/sp805_wdt.c b/drivers/watchdog/sp805_wdt.c
index f1e781e..ca3ccbe 100644
--- a/drivers/watchdog/sp805_wdt.c
+++ b/drivers/watchdog/sp805_wdt.c
@@ -13,6 +13,7 @@
 #include <linux/bitops.h>
 #include <watchdog.h>
 #include <wdt.h>
+#include <linux/err.h>
 
 #define WDTLOAD			0x000
 #define WDTCONTROL		0x008
diff --git a/drivers/watchdog/xilinx_tb_wdt.c b/drivers/watchdog/xilinx_tb_wdt.c
index 929c8e6..5580764 100644
--- a/drivers/watchdog/xilinx_tb_wdt.c
+++ b/drivers/watchdog/xilinx_tb_wdt.c
@@ -11,6 +11,7 @@
 #include <common.h>
 #include <dm.h>
 #include <wdt.h>
+#include <linux/err.h>
 #include <linux/io.h>
 
 #define XWT_CSR0_WRS_MASK	0x00000008 /* Reset status Mask */