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

   1 Index: linux-2.6.21gum/drivers/usb/gadget/Kconfig
   2 ===================================================================
   3 --- linux-2.6.21gum.orig/drivers/usb/gadget/Kconfig
   4 +++ linux-2.6.21gum/drivers/usb/gadget/Kconfig
   5 @@ -56,6 +56,14 @@ config USB_GADGET_DEBUG_FILES
   6  config USB_GADGET_SELECTED
   7         boolean
   8
   9 +config USB_GADGET_GUMSTIX
  10 +       tristate
  11 +       default m if USB_GADGET=m
  12 +       default y if USB_GADGET=y
  13 +       depends on USB_GADGET && ARCH_GUMSTIX
  14 +       help
  15 +         USB Gadget support for the Gumstix platform
  16 +
  17  #
  18  # USB Peripheral Controller Support
  19  #
  20 Index: linux-2.6.21gum/drivers/usb/gadget/Makefile
  21 ===================================================================
  22 --- linux-2.6.21gum.orig/drivers/usb/gadget/Makefile
  23 +++ linux-2.6.21gum/drivers/usb/gadget/Makefile
  24 @@ -8,6 +8,7 @@ obj-$(CONFIG_USB_GOKU)          += goku_udc.o
  25  obj-$(CONFIG_USB_OMAP)         += omap_udc.o
  26  obj-$(CONFIG_USB_LH7A40X)      += lh7a40x_udc.o
  27  obj-$(CONFIG_USB_AT91)         += at91_udc.o
  28 +obj-$(CONFIG_USB_GADGET_GUMSTIX)       += gumstix_gadget.o
  29
  30  #
  31  # USB gadget drivers
  32 Index: linux-2.6.21gum/drivers/usb/gadget/pxa2xx_udc.c
  33 ===================================================================
  34 --- linux-2.6.21gum.orig/drivers/usb/gadget/pxa2xx_udc.c
  35 +++ linux-2.6.21gum/drivers/usb/gadget/pxa2xx_udc.c
  36 @@ -2752,8 +2752,16 @@ static struct platform_driver udc_driver
  37         },
  38  };
  39
  40 +#ifdef CONFIG_ARCH_GUMSTIX
  41 +extern void gumstix_usb_gadget_load(void);
  42 +#endif
  43 +
  44  static int __init udc_init(void)
  45  {
  46 +#ifdef CONFIG_ARCH_GUMSTIX
  47 +       gumstix_usb_gadget_load();
  48 +#endif
  49 +
  50         printk(KERN_INFO "%s: version %s\n", driver_name, DRIVER_VERSION);
  51         return platform_driver_register(&udc_driver);
  52  }
  53 Index: linux-2.6.21gum/drivers/usb/gadget/gumstix_gadget.c
  54 ===================================================================
  55 --- /dev/null
  56 +++ linux-2.6.21gum/drivers/usb/gadget/gumstix_gadget.c
  57 @@ -0,0 +1,49 @@
  58 +/*
  59 + *  Gumstix USB gadget intialization driver
  60 + *
  61 + *  Author:     Craig Hughes
  62 + *  Created:    December 9, 2004
  63 + *  Copyright:  (C) 2004 Craig Hughes
  64 + *
  65 + * This program is free software; you can redistribute it and/or modify
  66 + * it under the terms of the GNU General Public License as published by
  67 + * the Free Software Foundation; either version 2 of the License, or
  68 + * (at your option) any later version.
  69 + *
  70 + */
  71 +
  72 +#include <linux/module.h>
  73 +
  74 +#include <asm/hardware.h>
  75 +#include <asm/arch/pxa-regs.h>
  76 +#include <asm/delay.h>
  77 +#include <asm/irq.h>
  78 +#include <asm/mach/irq.h>
  79 +
  80 +#include <asm/arch/gumstix.h>
  81 +#include <asm/arch/udc.h>
  82 +
  83 +int __init gumstix_usb_gadget_init(void)
  84 +{
  85 +       pxa_gpio_mode(GPIO_GUMSTIX_USB_GPIOx_DIS_MD);
  86 +       pxa_gpio_mode(GPIO_GUMSTIX_USB_GPIOn_MD);
  87 +
  88 +       set_irq_type(GUMSTIX_USB_INTR_IRQ, IRQT_BOTHEDGE);
  89 +
  90 +       return 0;
  91 +}
  92 +
  93 +void __exit gumstix_usb_gadget_exit(void)
  94 +{
  95 +}
  96 +
  97 +void gumstix_usb_gadget_load(void) {}
  98 +EXPORT_SYMBOL(gumstix_usb_gadget_load);
  99 +
 100 +module_init(gumstix_usb_gadget_init);
 101 +module_exit(gumstix_usb_gadget_exit);
 102 +
 103 +MODULE_LICENSE("GPL");
 104 +MODULE_AUTHOR("Craig Hughes <craig@gumstix.com>");
 105 +MODULE_DESCRIPTION("Gumstix board USB gadget initialization driver");
 106 +MODULE_VERSION("1:0.1");