s3c2410_udc per-platform vbus_draw

[Harald Welte]

Hi!

Please consider to merge the following patch into your s3c2410_udc
driver:

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 at openmoko.org>

Index: linux-2.6.20/drivers/usb/gadget/s3c2410_udc.c
===================================================================
--- linux-2.6.20.orig/drivers/usb/gadget/s3c2410_udc.c	2007-02-15 14:55:45.000000000 +0100
+++ linux-2.6.20/drivers/usb/gadget/s3c2410_udc.c	2007-02-15 15:00:11.000000000 +0100
@@ -1404,12 +1404,23 @@
 	return IRQ_HANDLED;
 }
 
+static void s3c2410_vbus_draw(struct usb_gadget *_gadget, int ma)
+{
+	struct s3c2410_udc  *udc;
+
+	dprintk(DEBUG_NORMAL, "s3c2410_vbus_draw()\n");
+
+	if (udc_info && udc_info->vbus_draw)
+		udc_info->vbus_draw(ma);
+}
+
 static const struct usb_gadget_ops s3c2410_ops = {
 	.get_frame          = s3c2410_g_get_frame,
 	.wakeup             = s3c2410_wakeup,
 	.set_selfpowered    = s3c2410_set_selfpowered,
         .pullup             = s3c2410_pullup,
 	.vbus_session	    = s3c2410_udc_vbus_session,
+	.vbus_draw	    = s3c2410_vbus_draw,
 };
 
 /*------------------------- gadget driver handling---------------------------*/
Index: linux-2.6.20/include/asm-arm/arch-s3c2410/udc.h
===================================================================
--- linux-2.6.20.orig/include/asm-arm/arch-s3c2410/udc.h	2007-02-15 14:54:49.000000000 +0100
+++ linux-2.6.20/include/asm-arm/arch-s3c2410/udc.h	2007-02-15 15:00:50.000000000 +0100
@@ -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 @@
 
 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;
 };
-- 
- Harald Welte <laforge at openmoko.org>          	        http://openmoko.org/
============================================================================
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