[ARM] 4215/1: s3c2410 usb device: per-platform vbus_draw

Introduce a platform_device (machine) specific callback function
which gets called when the amount of power we can draw from Vbus
has changed.

Signed-off-by: Harald Welte <laforge@openmoko.org>
Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Acked-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

include/asm-arm/arch-s3c2410/udc.h

@@ -12,6 +12,7 @@
  *	14-Mar-2005	RTP	Created file
  *	02-Aug-2005	RTP	File rename
  *	07-Sep-2005	BJD	Minor cleanups, changed cmd to enum
+ *	18-Jan-2007	HMW	Add per-platform vbus_draw function
 */
 
 #ifndef __ASM_ARM_ARCH_UDC_H
@@ -25,6 +26,7 @@ enum s3c2410_udc_cmd_e {
 
 struct s3c2410_udc_mach_info {
 	void	(*udc_command)(enum s3c2410_udc_cmd_e);
+ 	void	(*vbus_draw)(unsigned int ma);
 	unsigned int vbus_pin;
 	unsigned char vbus_pin_inverted;
 };