target/linux/layerscape/patches-5.4/820-usb-0012-MLK-11340-40-usb-whitelist-update-otg-eh-s-TPL-for-f.patch

   1 From 93cd22091be5d549fb5b0ec78955c2ec272a52e5 Mon Sep 17 00:00:00 2001
   2 From: Peter Chen <peter.chen@freescale.com>
   3 Date: Fri, 8 Aug 2014 09:12:52 +0800
   4 Subject: [PATCH] MLK-11340-40 usb: whitelist: update otg & eh's TPL for fsl
   5  i.mx
   6
   7 The default TPL is for USB OTG & EH compliance test, the supported
   8 class is: mass storage, hub, and hid.
   9
  10 Besides, we add one match criterion that matching targeted device
  11 through class at interface descriptor.
  12
  13 Tested-by: Li Jun <b47624@freescale.com>
  14 Signed-off-by: Peter Chen <peter.chen@freescale.com>
  15 (cherry picked from commit 483c071d989ceb36cacf76e1e3e779c67e5b8280)
  16 (cherry picked from commit defcf3883f60f8ea913481f16411752cb0132a74)
  17 ---
  18  drivers/usb/core/otg_whitelist.h | 73 ++++++++++++++++++++++++++++------------
  19  1 file changed, 52 insertions(+), 21 deletions(-)
  20
  21 --- a/drivers/usb/core/otg_whitelist.h
  22 +++ b/drivers/usb/core/otg_whitelist.h
  23 @@ -13,35 +13,62 @@
  24   */
  25
  26  static struct usb_device_id whitelist_table[] = {
  27 -
  28 -/* hubs are optional in OTG, but very handy ... */
  29 -{ USB_DEVICE_INFO(USB_CLASS_HUB, 0, 0), },
  30 -{ USB_DEVICE_INFO(USB_CLASS_HUB, 0, 1), },
  31 -
  32 -#ifdef CONFIG_USB_PRINTER              /* ignoring nonstatic linkage! */
  33 -/* FIXME actually, printers are NOT supposed to use device classes;
  34 - * they're supposed to use interface classes...
  35 - */
  36 -{ USB_DEVICE_INFO(7, 1, 1) },
  37 -{ USB_DEVICE_INFO(7, 1, 2) },
  38 -{ USB_DEVICE_INFO(7, 1, 3) },
  39 +/* Add FSL i.mx whitelist, the default list is for USB Compliance Test */
  40 +#if defined(CONFIG_USB_EHSET_TEST_FIXTURE)     \
  41 +       || defined(CONFIG_USB_EHSET_TEST_FIXTURE_MODULE)
  42 +#define TEST_SE0_NAK_PID                       0x0101
  43 +#define TEST_J_PID                             0x0102
  44 +#define TEST_K_PID                             0x0103
  45 +#define TEST_PACKET_PID                                0x0104
  46 +#define TEST_HS_HOST_PORT_SUSPEND_RESUME       0x0106
  47 +#define TEST_SINGLE_STEP_GET_DEV_DESC          0x0107
  48 +#define TEST_SINGLE_STEP_SET_FEATURE           0x0108
  49 +{ USB_DEVICE(0x1a0a, TEST_SE0_NAK_PID) },
  50 +{ USB_DEVICE(0x1a0a, TEST_J_PID) },
  51 +{ USB_DEVICE(0x1a0a, TEST_K_PID) },
  52 +{ USB_DEVICE(0x1a0a, TEST_PACKET_PID) },
  53 +{ USB_DEVICE(0x1a0a, TEST_HS_HOST_PORT_SUSPEND_RESUME) },
  54 +{ USB_DEVICE(0x1a0a, TEST_SINGLE_STEP_GET_DEV_DESC) },
  55 +{ USB_DEVICE(0x1a0a, TEST_SINGLE_STEP_SET_FEATURE) },
  56  #endif
  57
  58 -#ifdef CONFIG_USB_NET_CDCETHER
  59 -/* Linux-USB CDC Ethernet gadget */
  60 -{ USB_DEVICE(0x0525, 0xa4a1), },
  61 -/* Linux-USB CDC Ethernet + RNDIS gadget */
  62 -{ USB_DEVICE(0x0525, 0xa4a2), },
  63 +#define USB_INTERFACE_CLASS_INFO(cl) \
  64 +       .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS, \
  65 +       .bInterfaceClass = (cl)
  66 +
  67 +{USB_INTERFACE_CLASS_INFO(USB_CLASS_HUB) },
  68 +#if defined(CONFIG_USB_STORAGE) || defined(CONFIG_USB_STORAGE_MODULE)
  69 +{USB_INTERFACE_CLASS_INFO(USB_CLASS_MASS_STORAGE) },
  70  #endif
  71 -
  72 -#if    IS_ENABLED(CONFIG_USB_TEST)
  73 -/* gadget zero, for testing */
  74 -{ USB_DEVICE(0x0525, 0xa4a0), },
  75 +#if defined(CONFIG_USB_HID) || defined(CONFIG_USB_HID_MODULE)
  76 +{USB_INTERFACE_CLASS_INFO(USB_CLASS_HID) },
  77  #endif
  78
  79  { }    /* Terminating entry */
  80  };
  81
  82 +static bool match_int_class(struct usb_device_id *id, struct usb_device *udev)
  83 +{
  84 +       struct usb_host_config *c;
  85 +       int num_configs, i;
  86 +
  87 +       /* Copy the code from generic.c */
  88 +       c = udev->config;
  89 +       num_configs = udev->descriptor.bNumConfigurations;
  90 +       for (i = 0; i < num_configs; (i++, c++)) {
  91 +               struct usb_interface_descriptor *desc = NULL;
  92 +
  93 +               /* It's possible that a config has no interfaces! */
  94 +               if (c->desc.bNumInterfaces > 0)
  95 +                       desc = &c->intf_cache[0]->altsetting->desc;
  96 +
  97 +               if (desc && (desc->bInterfaceClass == id->bInterfaceClass))
  98 +                       return true;
  99 +       }
 100 +
 101 +       return false;
 102 +}
 103 +
 104  static int is_targeted(struct usb_device *dev)
 105  {
 106         struct usb_device_id    *id = whitelist_table;
 107 @@ -90,6 +117,10 @@ static int is_targeted(struct usb_device
 108                     (id->bDeviceProtocol != dev->descriptor.bDeviceProtocol))
 109                         continue;
 110
 111 +               if ((id->match_flags & USB_DEVICE_ID_MATCH_INT_CLASS) &&
 112 +                   (!match_int_class(id, dev)))
 113 +                       continue;
 114 +
 115                 return 1;
 116         }
 117