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

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