USB: fix more GCC 4.2.x aliasing warnings

Signed-off-by: Wolfgang Denk <wd@denx.de>
Acked-by: Markus Klotzbuecher <mk@denx.de>

cpu/arm920t/s3c24x0/usb_ohci.c

@@ -58,8 +58,8 @@
 #define	OHCI_CONTROL_INIT \
 	(OHCI_CTRL_CBSR & 0x3) | OHCI_CTRL_IE | OHCI_CTRL_PLE
 
-#define readl(a) (*((vu_long *)(a)))
-#define writel(a, b) (*((vu_long *)(b)) = ((vu_long)a))
+#define readl(a) (*((volatile u32 *)(a)))
+#define writel(a, b) (*((volatile u32 *)(b)) = ((volatile u32)a))
 
 #define min_t(type,x,y) ({ type __x = (x); type __y = (y); __x < __y ? __x: __y; })
 

cpu/mpc5xxx/usb_ohci.c

@@ -56,8 +56,8 @@
 #define OHCI_CONTROL_INIT \
 	(OHCI_CTRL_CBSR & 0x3) | OHCI_CTRL_IE | OHCI_CTRL_PLE
 
-#define readl(a) (*((vu_long *)(a)))
-#define writel(a, b) (*((vu_long *)(b)) = ((vu_long)a))
+#define readl(a) (*((volatile u32 *)(a)))
+#define writel(a, b) (*((volatile u32 *)(b)) = ((volatile u32)a))
 
 #define min_t(type,x,y) ({ type __x = (x); type __y = (y); __x < __y ? __x: __y; })
 

cpu/ppc4xx/usb_ohci.c

@@ -56,8 +56,8 @@
 #define OHCI_CONTROL_INIT \
 	(OHCI_CTRL_CBSR & 0x3) | OHCI_CTRL_IE | OHCI_CTRL_PLE
 
-#define readl(a) (*((vu_long *)(a)))
-#define writel(a, b) (*((vu_long *)(b)) = ((vu_long)a))
+#define readl(a) (*((volatile u32 *)(a)))
+#define writel(a, b) (*((volatile u32 *)(b)) = ((volatile u32)a))
 
 #define min_t(type,x,y) ({ type __x = (x); type __y = (y); __x < __y ? __x: __y; })