LXR linux/drivers/thunderbolt/Kconfig

   1# SPDX-License-Identifier: GPL-2.0-only
   2menuconfig USB4
   3        tristate "Unified support for USB4 and Thunderbolt"
   4        depends on PCI
   5        select APPLE_PROPERTIES if EFI_STUB && X86
   6        select CRC32
   7        select CRYPTO
   8        select CRYPTO_HASH
   9        select NVMEM
  10        help
  11          USB4 and Thunderbolt driver. USB4 is the public specification
  12          based on the Thunderbolt 3 protocol. This driver is required if
  13          you want to hotplug Thunderbolt and USB4 compliant devices on
  14          Apple hardware or on PCs with Intel Falcon Ridge or newer.
  15
  16          To compile this driver a module, choose M here. The module will be
  17          called thunderbolt.
  18
  19if USB4
  20
  21config USB4_DEBUGFS_WRITE
  22        bool "Enable write by debugfs to configuration spaces (DANGEROUS)"
  23        help
  24          Enables writing to device configuration registers through
  25          debugfs interface.
  26
  27          Only enable this if you know what you are doing! Never enable
  28          this for production systems or distro kernels.
  29
  30config USB4_KUNIT_TEST
  31        bool "KUnit tests"
  32        depends on KUNIT=y
  33
  34config USB4_DMA_TEST
  35        tristate "DMA traffic test driver"
  36        depends on DEBUG_FS
  37        help
  38          This allows sending and receiving DMA traffic through loopback
  39          connection. Loopback connection can be done by either special
  40          dongle that has TX/RX lines crossed, or by simply connecting a
  41          cable back to the host. Only enable this if you know what you
  42          are doing. Normal users and distro kernels should say N here.
  43
  44          To compile this driver a module, choose M here. The module will be
  45          called thunderbolt_dma_test.
  46
  47endif # USB4
  48