linux-2.4.18-nousb.patch

   1 diff -urNp linux-900/drivers/usb/hcd/ehci-hcd.c linux-1000/drivers/usb/hcd/ehci-hcd.c
   2 --- linux-900/drivers/usb/hcd/ehci-hcd.c
   3 +++ linux-1000/drivers/usb/hcd/ehci-hcd.c
   4 @@ -999,8 +999,11 @@ MODULE_DESCRIPTION (DRIVER_INFO);
   5  MODULE_AUTHOR (DRIVER_AUTHOR);
   6  MODULE_LICENSE ("GPL");
   7
   8 +extern int disable_all_usb;
   9  static int __init init (void)
  10  {
  11 +       if (disable_all_usb)
  12 +               return -ENODEV;
  13         dbg (DRIVER_INFO);
  14         dbg ("block sizes: qh %Zd qtd %Zd itd %Zd sitd %Zd",
  15                 sizeof (struct ehci_qh), sizeof (struct ehci_qtd),
  16 diff -urNp linux-900/drivers/usb/uhci.c linux-1000/drivers/usb/uhci.c
  17 --- linux-900/drivers/usb/uhci.c
  18 +++ linux-1000/drivers/usb/uhci.c
  19 @@ -3099,10 +3099,14 @@ static struct pci_driver uhci_pci_driver
  20  #endif /* PM */
  21  };
  22
  23 +extern int disable_all_usb;
  24
  25  static int __init uhci_hcd_init(void)
  26  {
  27         int retval = -ENOMEM;
  28 +
  29 +       if (disable_all_usb)
  30 +               return -ENODEV;
  31
  32         info(DRIVER_DESC " " DRIVER_VERSION);
  33
  34 diff -urNp linux-900/drivers/usb/usb-ohci.c linux-1000/drivers/usb/usb-ohci.c
  35 --- linux-900/drivers/usb/usb-ohci.c
  36 +++ linux-1000/drivers/usb/usb-ohci.c
  37 @@ -2919,9 +2919,12 @@ static struct pci_driver ohci_pci_driver
  38
  39
  40  /*-------------------------------------------------------------------------*/
  41 +extern int disable_all_usb;
  42
  43  static int __init ohci_hcd_init (void)
  44  {
  45 +       if (disable_all_usb)
  46 +               return -ENODEV;
  47         return pci_module_init (&ohci_pci_driver);
  48  }
  49
  50 diff -urNp linux-900/drivers/usb/usb-uhci.c linux-1000/drivers/usb/usb-uhci.c
  51 --- linux-900/drivers/usb/usb-uhci.c
  52 +++ linux-1000/drivers/usb/usb-uhci.c
  53 @@ -3091,10 +3091,14 @@ static struct pci_driver uhci_pci_driver
  54  };
  55
  56  /*-------------------------------------------------------------------------*/
  57 +extern int disable_all_usb;
  58
  59  static int __init uhci_hcd_init (void)
  60  {
  61         int retval;
  62 +
  63 +       if (disable_all_usb)
  64 +               return -ENODEV;
  65
  66  #ifdef DEBUG_SLAB
  67         urb_priv_kmem = kmem_cache_create("urb_priv", sizeof(urb_priv_t), 0, SLAB_HWCACHE_ALIGN, NULL, NULL);
  68 diff -urNp linux-900/init/main.c linux-1000/init/main.c
  69 --- linux-900/init/main.c
  70 +++ linux-1000/init/main.c
  71 @@ -132,6 +132,15 @@ static int __init profile_setup(char *st
  72
  73  __setup("profile=", profile_setup);
  74
  75 +int disable_all_usb = 0;
  76 +static int __init no_usb(char * s)
  77 +{
  78 +       disable_all_usb = 1;
  79 +       return 1;
  80 +}
  81 +__setup("nousb", no_usb);
  82 +
  83 +
  84  static int __init checksetup(char *line)
  85  {
  86         struct kernel_param *p;
  87 diff -urNp linux-900/kernel/ksyms.c linux-1000/kernel/ksyms.c
  88 --- linux-900/kernel/ksyms.c
  89 +++ linux-1000/kernel/ksyms.c
  90 @@ -529,6 +529,8 @@ EXPORT_SYMBOL(seq_open);
  91  EXPORT_SYMBOL(seq_release);
  92  EXPORT_SYMBOL(seq_read);
  93  EXPORT_SYMBOL(seq_lseek);
  94 +extern int disable_all_usb;
  95 +EXPORT_SYMBOL(disable_all_usb);
  96
  97  /* Program loader interfaces */
  98  EXPORT_SYMBOL(setup_arg_pages);