openwrt-xburst/target/linux/pxa/patches-2.6.21/019-modular-init-usb-gadget.patch

Index: linux-2.6.21.7/drivers/usb/gadget/Kconfig
===================================================================
--- linux-2.6.21.7.orig/drivers/usb/gadget/Kconfig
+++ linux-2.6.21.7/drivers/usb/gadget/Kconfig
@@ -56,6 +56,14 @@ config USB_GADGET_DEBUG_FILES
 config	USB_GADGET_SELECTED
 	boolean
 
+config USB_GADGET_GUMSTIX
+	tristate
+	default m if USB_GADGET=m
+	default y if USB_GADGET=y
+	depends on USB_GADGET && ARCH_GUMSTIX
+	help
+	  USB Gadget support for the Gumstix platform
+
 #
 # USB Peripheral Controller Support
 #
Index: linux-2.6.21.7/drivers/usb/gadget/Makefile
===================================================================
--- linux-2.6.21.7.orig/drivers/usb/gadget/Makefile
+++ linux-2.6.21.7/drivers/usb/gadget/Makefile
@@ -8,6 +8,7 @@ obj-$(CONFIG_USB_GOKU)		+= goku_udc.o
 obj-$(CONFIG_USB_OMAP)		+= omap_udc.o
 obj-$(CONFIG_USB_LH7A40X)	+= lh7a40x_udc.o
 obj-$(CONFIG_USB_AT91)		+= at91_udc.o
+obj-$(CONFIG_USB_GADGET_GUMSTIX)	+= gumstix_gadget.o
 
 #
 # USB gadget drivers
Index: linux-2.6.21.7/drivers/usb/gadget/pxa2xx_udc.c
===================================================================
--- linux-2.6.21.7.orig/drivers/usb/gadget/pxa2xx_udc.c
+++ linux-2.6.21.7/drivers/usb/gadget/pxa2xx_udc.c
@@ -2752,8 +2752,16 @@ static struct platform_driver udc_driver
 	},
 };
 
+#ifdef CONFIG_ARCH_GUMSTIX
+extern void gumstix_usb_gadget_load(void);
+#endif
+
 static int __init udc_init(void)
 {
+#ifdef CONFIG_ARCH_GUMSTIX
+	gumstix_usb_gadget_load();
+#endif
+
 	printk(KERN_INFO "%s: version %s\n", driver_name, DRIVER_VERSION);
 	return platform_driver_register(&udc_driver);
 }
Index: linux-2.6.21.7/drivers/usb/gadget/gumstix_gadget.c
===================================================================
--- /dev/null
+++ linux-2.6.21.7/drivers/usb/gadget/gumstix_gadget.c
@@ -0,0 +1,49 @@
+/*
+ *  Gumstix USB gadget intialization driver
+ *
+ *  Author:     Craig Hughes
+ *  Created:    December 9, 2004
+ *  Copyright:  (C) 2004 Craig Hughes
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ */
+
+#include <linux/module.h>
+
+#include <asm/hardware.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/delay.h>
+#include <asm/irq.h>
+#include <asm/mach/irq.h>
+
+#include <asm/arch/gumstix.h>
+#include <asm/arch/udc.h>
+
+int __init gumstix_usb_gadget_init(void)
+{
+	pxa_gpio_mode(GPIO_GUMSTIX_USB_GPIOx_DIS_MD);
+	pxa_gpio_mode(GPIO_GUMSTIX_USB_GPIOn_MD);
+
+	set_irq_type(GUMSTIX_USB_INTR_IRQ, IRQT_BOTHEDGE);
+	
+	return 0;
+}
+
+void __exit gumstix_usb_gadget_exit(void)
+{
+}
+
+void gumstix_usb_gadget_load(void) {}
+EXPORT_SYMBOL(gumstix_usb_gadget_load);
+
+module_init(gumstix_usb_gadget_init);
+module_exit(gumstix_usb_gadget_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Craig Hughes <craig@gumstix.com>");
+MODULE_DESCRIPTION("Gumstix board USB gadget initialization driver");
+MODULE_VERSION("1:0.1");