ARM: OMAP: get rid of OMAP_TAG_USB, v2

OMAP_TAGS should vanish soon since they're not generic arm tags.
Most of them can be converted to a platform_data or parsed
from a command line like e.g. serial tag.

For OMAP_TAG_USB we just let boards call omap_usb_init()
passing a pointer to omap_usb_config.

Patch updated by Tony for mainline, basically make
n770 and h4 compile. Also folded in a fix for OSK
by David Brownell <dbrownell@users.sourceforge.net>.

Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/plat-omap/include/mach/board.h

@@ -17,7 +17,6 @@
 /* Different peripheral ids */
 #define OMAP_TAG_CLOCK		0x4f01
 #define OMAP_TAG_SERIAL_CONSOLE 0x4f03
-#define OMAP_TAG_USB		0x4f04
 #define OMAP_TAG_LCD		0x4f05
 #define OMAP_TAG_GPIO_SWITCH	0x4f06
 #define OMAP_TAG_UART		0x4f07

arch/arm/plat-omap/include/mach/usb.h

@@ -29,6 +29,8 @@
 
 #endif
 
+void omap_usb_init(struct omap_usb_config *pdata);
+
 /*-------------------------------------------------------------------------*/
 
 /*

arch/arm/plat-omap/usb.c

@@ -729,30 +729,13 @@ static inline void omap_1510_usb_init(struct omap_usb_config *config) {}
 
 /*-------------------------------------------------------------------------*/
 
-static struct omap_usb_config platform_data;
-
-static int __init
-omap_usb_init(void)
+void __init omap_usb_init(struct omap_usb_config *pdata)
 {
-	const struct omap_usb_config *config;
-
-	config = omap_get_config(OMAP_TAG_USB, struct omap_usb_config);
-	if (config == NULL) {
-		printk(KERN_ERR "USB: No board-specific "
-				"platform config found\n");
-		return -ENODEV;
-	}
-	platform_data = *config;
-
 	if (cpu_is_omap730() || cpu_is_omap16xx() || cpu_is_omap24xx())
-		omap_otg_init(&platform_data);
+		omap_otg_init(pdata);
 	else if (cpu_is_omap15xx())
-		omap_1510_usb_init(&platform_data);
-	else {
+		omap_1510_usb_init(pdata);
+	else
 		printk(KERN_ERR "USB: No init for your chip yet\n");
-		return -ENODEV;
-	}
-	return 0;
 }
 
-subsys_initcall(omap_usb_init);