Merge tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-nextgrafted

Pull networking updates from Jakub Kicinski:
 "Core:

   - Add dedicated kmem_cache for typical/small skb->head, avoid having
     to access struct page at kfree time, and improve memory use.

   - Introduce sysctl to set default RPS configuration for new netdevs.

   - Define Netlink protocol specification format which can be used to
     describe messages used by each family and auto-generate parsers.
     Add tools for generating kernel data structures and uAPI headers.

   - Expose all net/core sysctls inside netns.

   - Remove 4s sleep in netpoll if carrier is instantly detected on
     boot.

   - Add configurable limit of MDB entries per port, and port-vlan.

   - Continue populating drop reasons throughout the stack.

   - Retire a handful of legacy Qdiscs and classifiers.

  Protocols:

   - Support IPv4 big TCP (TSO frames larger than 64kB).

   - Add IP_LOCAL_PORT_RANGE socket option, to control local port range
     on socket by socket basis.

   - Track and report in procfs number of MPTCP sockets used.

   - Support mixing IPv4 and IPv6 flows in the in-kernel MPTCP path
     manager.

   - IPv6: don't check net.ipv6.route.max_size and rely on garbage
     collection to free memory (similarly to IPv4).

   - Support Penultimate Segment Pop (PSP) flavor in SRv6 (RFC8986).

   - ICMP: add per-rate limit counters.

   - Add support for user scanning requests in ieee802154.

   - Remove static WEP support.

   - Support minimal Wi-Fi 7 Extremely High Throughput (EHT) rate
     reporting.

   - WiFi 7 EHT channel puncturing support (client & AP).

  BPF:

   - Add a rbtree data structure following the "next-gen data structure"
     precedent set by recently added linked list, that is, by using
     kfunc + kptr instead of adding a new BPF map type.

   - Expose XDP hints via kfuncs with initial support for RX hash and
     timestamp metadata.

   - Add BPF_F_NO_TUNNEL_KEY extension to bpf_skb_set_tunnel_key to
     better support decap on GRE tunnel devices not operating in collect
     metadata.

   - Improve x86 JIT's codegen for PROBE_MEM runtime error checks.

   - Remove the need for trace_printk_lock for bpf_trace_printk and
     bpf_trace_vprintk helpers.

   - Extend libbpf's bpf_tracing.h support for tracing arguments of
     kprobes/uprobes and syscall as a special case.

   - Significantly reduce the search time for module symbols by
     livepatch and BPF.

   - Enable cpumasks to be used as kptrs, which is useful for tracing
     programs tracking which tasks end up running on which CPUs in
     different time intervals.

   - Add support for BPF trampoline on s390x and riscv64.

   - Add capability to export the XDP features supported by the NIC.

   - Add __bpf_kfunc tag for marking kernel functions as kfuncs.

   - Add cgroup.memory=nobpf kernel parameter option to disable BPF
     memory accounting for container environments.

  Netfilter:

   - Remove the CLUSTERIP target. It has been marked as obsolete for
     years, and we still have WARN splats wrt races of the out-of-band
     /proc interface installed by this target.

   - Add 'destroy' commands to nf_tables. They are identical to the
     existing 'delete' commands, but do not return an error if the
     referenced object (set, chain, rule...) did not exist.

  Driver API:

   - Improve cpumask_local_spread() locality to help NICs set the right
     IRQ affinity on AMD platforms.

   - Separate C22 and C45 MDIO bus transactions more clearly.

   - Introduce new DCB table to control DSCP rewrite on egress.

   - Support configuration of Physical Layer Collision Avoidance (PLCA)
     Reconciliation Sublayer (RS) (802.3cg-2019). Modern version of
     shared medium Ethernet.

   - Support for MAC Merge layer (IEEE 802.3-2018 clause 99). Allowing
     preemption of low priority frames by high priority frames.

   - Add support for controlling MACSec offload using netlink SET.

   - Rework devlink instance refcounts to allow registration and
     de-registration under the instance lock. Split the code into
     multiple files, drop some of the unnecessarily granular locks and
     factor out common parts of netlink operation handling.

   - Add TX frame aggregation parameters (for USB drivers).

   - Add a new attr TCA_EXT_WARN_MSG to report TC (offload) warning
     messages with notifications for debug.

   - Allow offloading of UDP NEW connections via act_ct.

   - Add support for per action HW stats in TC.

   - Support hardware miss to TC action (continue processing in SW from
     a specific point in the action chain).

   - Warn if old Wireless Extension user space interface is used with
     modern cfg80211/mac80211 drivers. Do not support Wireless
     Extensions for Wi-Fi 7 devices at all. Everyone should switch to
     using nl80211 interface instead.

   - Improve the CAN bit timing configuration. Use extack to return
     error messages directly to user space, update the SJW handling,
     including the definition of a new default value that will benefit
     CAN-FD controllers, by increasing their oscillator tolerance.

  New hardware / drivers:

   - Ethernet:
      - nVidia BlueField-3 support (control traffic driver)
      - Ethernet support for imx93 SoCs
      - Motorcomm yt8531 gigabit Ethernet PHY
      - onsemi NCN26000 10BASE-T1S PHY (with support for PLCA)
      - Microchip LAN8841 PHY (incl. cable diagnostics and PTP)
      - Amlogic gxl MDIO mux

   - WiFi:
      - RealTek RTL8188EU (rtl8xxxu)
      - Qualcomm Wi-Fi 7 devices (ath12k)

   - CAN:
      - Renesas R-Car V4H

  Drivers:

   - Bluetooth:
      - Set Per Platform Antenna Gain (PPAG) for Intel controllers.

   - Ethernet NICs:
      - Intel (1G, igc):
         - support TSN / Qbv / packet scheduling features of i226 model
      - Intel (100G, ice):
         - use GNSS subsystem instead of TTY
         - multi-buffer XDP support
         - extend support for GPIO pins to E823 devices
      - nVidia/Mellanox:
         - update the shared buffer configuration on PFC commands
         - implement PTP adjphase function for HW offset control
         - TC support for Geneve and GRE with VF tunnel offload
         - more efficient crypto key management method
         - multi-port eswitch support
      - Netronome/Corigine:
         - add DCB IEEE support
         - support IPsec offloading for NFP3800
      - Freescale/NXP (enetc):
         - support XDP_REDIRECT for XDP non-linear buffers
         - improve reconfig, avoid link flap and waiting for idle
         - support MAC Merge layer
      - Other NICs:
         - sfc/ef100: add basic devlink support for ef100
         - ionic: rx_push mode operation (writing descriptors via MMIO)
         - bnxt: use the auxiliary bus abstraction for RDMA
         - r8169: disable ASPM and reset bus in case of tx timeout
         - cpsw: support QSGMII mode for J721e CPSW9G
         - cpts: support pulse-per-second output
         - ngbe: add an mdio bus driver
         - usbnet: optimize usbnet_bh() by avoiding unnecessary queuing
         - r8152: handle devices with FW with NCM support
         - amd-xgbe: support 10Mbps, 2.5GbE speeds and rx-adaptation
         - virtio-net: support multi buffer XDP
         - virtio/vsock: replace virtio_vsock_pkt with sk_buff
         - tsnep: XDP support

   - Ethernet high-speed switches:
      - nVidia/Mellanox (mlxsw):
         - add support for latency TLV (in FW control messages)
      - Microchip (sparx5):
         - separate explicit and implicit traffic forwarding rules, make
           the implicit rules always active
         - add support for egress DSCP rewrite
         - IS0 VCAP support (Ingress Classification)
         - IS2 VCAP filters (protos, L3 addrs, L4 ports, flags, ToS
           etc.)
         - ES2 VCAP support (Egress Access Control)
         - support for Per-Stream Filtering and Policing (802.1Q,
           8.6.5.1)

   - Ethernet embedded switches:
      - Marvell (mv88e6xxx):
         - add MAB (port auth) offload support
         - enable PTP receive for mv88e6390
      - NXP (ocelot):
         - support MAC Merge layer
         - support for the the vsc7512 internal copper phys
      - Microchip:
         - lan9303: convert to PHYLINK
         - lan966x: support TC flower filter statistics
         - lan937x: PTP support for KSZ9563/KSZ8563 and LAN937x
         - lan937x: support Credit Based Shaper configuration
         - ksz9477: support Energy Efficient Ethernet
      - other:
         - qca8k: convert to regmap read/write API, use bulk operations
         - rswitch: Improve TX timestamp accuracy

   - Intel WiFi (iwlwifi):
      - EHT (Wi-Fi 7) rate reporting
      - STEP equalizer support: transfer some STEP (connection to radio
        on platforms with integrated wifi) related parameters from the
        BIOS to the firmware.

   - Qualcomm 802.11ax WiFi (ath11k):
      - IPQ5018 support
      - Fine Timing Measurement (FTM) responder role support
      - channel 177 support

   - MediaTek WiFi (mt76):
      - per-PHY LED support
      - mt7996: EHT (Wi-Fi 7) support
      - Wireless Ethernet Dispatch (WED) reset support
      - switch to using page pool allocator

   - RealTek WiFi (rtw89):
      - support new version of Bluetooth co-existance

   - Mobile:
      - rmnet: support TX aggregation"

* tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1872 commits)
  page_pool: add a comment explaining the fragment counter usage
  net: ethtool: fix __ethtool_dev_mm_supported() implementation
  ethtool: pse-pd: Fix double word in comments
  xsk: add linux/vmalloc.h to xsk.c
  sefltests: netdevsim: wait for devlink instance after netns removal
  selftest: fib_tests: Always cleanup before exit
  net/mlx5e: Align IPsec ASO result memory to be as required by hardware
  net/mlx5e: TC, Set CT miss to the specific ct action instance
  net/mlx5e: Rename CHAIN_TO_REG to MAPPED_OBJ_TO_REG
  net/mlx5: Refactor tc miss handling to a single function
  net/mlx5: Kconfig: Make tc offload depend on tc skb extension
  net/sched: flower: Support hardware miss to tc action
  net/sched: flower: Move filter handle initialization earlier
  net/sched: cls_api: Support hardware miss to tc action
  net/sched: Rename user cookie and act cookie
  sfc: fix builds without CONFIG_RTC_LIB
  sfc: clean up some inconsistent indentings
  net/mlx4_en: Introduce flexible array to silence overflow warning
  net: lan966x: Fix possible deadlock inside PTP
  net/ulp: Remove redundant ->clone() test in inet_clone_ulp().
  ...

1 files changed, 426 insertions, 0 deletions

diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
new file mode 100644
index 000000000..30fe9848d
--- /dev/null
+++ b/drivers/char/Kconfig
@@ -0,0 +1,426 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# Character device configuration
+#
+
+menu "Character devices"
+
+source "drivers/tty/Kconfig"
+
+config TTY_PRINTK
+	tristate "TTY driver to output user messages via printk"
+	depends on EXPERT && TTY
+	default n
+	help
+	  If you say Y here, the support for writing user messages (i.e.
+	  console messages) via printk is available.
+
+	  The feature is useful to inline user messages with kernel
+	  messages.
+	  In order to use this feature, you should output user messages
+	  to /dev/ttyprintk or redirect console to this TTY, or boot
+	  the kernel with console=ttyprintk.
+
+	  If unsure, say N.
+
+config TTY_PRINTK_LEVEL
+	depends on TTY_PRINTK
+	int "ttyprintk log level (1-7)"
+	range 1 7
+	default "6"
+	help
+	  Printk log level to use for ttyprintk messages.
+
+config PRINTER
+	tristate "Parallel printer support"
+	depends on PARPORT
+	help
+	  If you intend to attach a printer to the parallel port of your Linux
+	  box (as opposed to using a serial printer; if the connector at the
+	  printer has 9 or 25 holes ["female"], then it's serial), say Y.
+	  Also read the Printing-HOWTO, available from
+	  <https://www.tldp.org/docs.html#howto>.
+
+	  It is possible to share one parallel port among several devices
+	  (e.g. printer and ZIP drive) and it is safe to compile the
+	  corresponding drivers into the kernel.
+
+	  To compile this driver as a module, choose M here and read
+	  <file:Documentation/admin-guide/parport.rst>.  The module will be called lp.
+
+	  If you have several parallel ports, you can specify which ports to
+	  use with the "lp" kernel command line option.  (Try "man bootparam"
+	  or see the documentation of your boot loader (lilo or loadlin) about
+	  how to pass options to the kernel at boot time.)  The syntax of the
+	  "lp" command line option can be found in <file:drivers/char/lp.c>.
+
+	  If you have more than 8 printers, you need to increase the LP_NO
+	  macro in lp.c and the PARPORT_MAX macro in parport.h.
+
+config LP_CONSOLE
+	bool "Support for console on line printer"
+	depends on PRINTER
+	help
+	  If you want kernel messages to be printed out as they occur, you
+	  can have a console on the printer. This option adds support for
+	  doing that; to actually get it to happen you need to pass the
+	  option "console=lp0" to the kernel at boot time.
+
+	  If the printer is out of paper (or off, or unplugged, or too
+	  busy..) the kernel will stall until the printer is ready again.
+	  By defining CONSOLE_LP_STRICT to 0 (at your own risk) you
+	  can make the kernel continue when this happens,
+	  but it'll lose the kernel messages.
+
+	  If unsure, say N.
+
+config PPDEV
+	tristate "Support for user-space parallel port device drivers"
+	depends on PARPORT
+	help
+	  Saying Y to this adds support for /dev/parport device nodes.  This
+	  is needed for programs that want portable access to the parallel
+	  port, for instance deviceid (which displays Plug-and-Play device
+	  IDs).
+
+	  This is the parallel port equivalent of SCSI generic support (sg).
+	  It is safe to say N to this -- it is not needed for normal printing
+	  or parallel port CD-ROM/disk support.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called ppdev.
+
+	  If unsure, say N.
+
+config VIRTIO_CONSOLE
+	tristate "Virtio console"
+	depends on TTY
+	select HVC_DRIVER
+	select VIRTIO
+	help
+	  Virtio console for use with hypervisors.
+
+	  Also serves as a general-purpose serial device for data
+	  transfer between the guest and host.  Character devices at
+	  /dev/vportNpn will be created when corresponding ports are
+	  found, where N is the device number and n is the port number
+	  within that device.  If specified by the host, a sysfs
+	  attribute called 'name' will be populated with a name for
+	  the port which can be used by udev scripts to create a
+	  symlink to the device.
+
+config IBM_BSR
+	tristate "IBM POWER Barrier Synchronization Register support"
+	depends on PPC_PSERIES
+	help
+	  This devices exposes a hardware mechanism for fast synchronization
+	  of threads across a large system which avoids bouncing a cacheline
+	  between several cores on a system
+
+config POWERNV_OP_PANEL
+	tristate "IBM POWERNV Operator Panel Display support"
+	depends on PPC_POWERNV
+	default m
+	help
+	  If you say Y here, a special character device node, /dev/op_panel,
+	  will be created which exposes the operator panel display on IBM
+	  Power Systems machines with FSPs.
+
+	  If you don't require access to the operator panel display from user
+	  space, say N.
+
+	  If unsure, say M here to build it as a module called powernv-op-panel.
+
+source "drivers/char/ipmi/Kconfig"
+
+config DS1620
+	tristate "NetWinder thermometer support"
+	depends on ARCH_NETWINDER
+	help
+	  Say Y here to include support for the thermal management hardware
+	  found in the NetWinder. This driver allows the user to control the
+	  temperature set points and to read the current temperature.
+
+	  It is also possible to say M here to build it as a module (ds1620)
+	  It is recommended to be used on a NetWinder, but it is not a
+	  necessity.
+
+config NWBUTTON
+	tristate "NetWinder Button"
+	depends on ARCH_NETWINDER
+	help
+	  If you say Y here and create a character device node /dev/nwbutton
+	  with major and minor numbers 10 and 158 ("man mknod"), then every
+	  time the orange button is pressed a number of times, the number of
+	  times the button was pressed will be written to that device.
+
+	  This is most useful for applications, as yet unwritten, which
+	  perform actions based on how many times the button is pressed in a
+	  row.
+
+	  Do not hold the button down for too long, as the driver does not
+	  alter the behaviour of the hardware reset circuitry attached to the
+	  button; it will still execute a hard reset if the button is held
+	  down for longer than approximately five seconds.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called nwbutton.
+
+	  Most people will answer Y to this question and "Reboot Using Button"
+	  below to be able to initiate a system shutdown from the button.
+
+config NWBUTTON_REBOOT
+	bool "Reboot Using Button"
+	depends on NWBUTTON
+	help
+	  If you say Y here, then you will be able to initiate a system
+	  shutdown and reboot by pressing the orange button a number of times.
+	  The number of presses to initiate the shutdown is two by default,
+	  but this can be altered by modifying the value of NUM_PRESSES_REBOOT
+	  in nwbutton.h and recompiling the driver or, if you compile the
+	  driver as a module, you can specify the number of presses at load
+	  time with "insmod button reboot_count=<something>".
+
+config NWFLASH
+	tristate "NetWinder flash support"
+	depends on ARCH_NETWINDER
+	help
+	  If you say Y here and create a character device /dev/flash with
+	  major 10 and minor 160 you can manipulate the flash ROM containing
+	  the NetWinder firmware. Be careful as accidentally overwriting the
+	  flash contents can render your computer unbootable. On no account
+	  allow random users access to this device. :-)
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called nwflash.
+
+	  If you're not sure, say N.
+
+source "drivers/char/hw_random/Kconfig"
+
+config DTLK
+	tristate "Double Talk PC internal speech card support"
+	depends on ISA
+	help
+	  This driver is for the DoubleTalk PC, a speech synthesizer
+	  manufactured by RC Systems (<https://www.rcsys.com/>).  It is also
+	  called the `internal DoubleTalk'.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called dtlk.
+
+config XILINX_HWICAP
+	tristate "Xilinx HWICAP Support"
+	depends on MICROBLAZE
+	help
+	  This option enables support for Xilinx Internal Configuration
+	  Access Port (ICAP) driver.  The ICAP is used on Xilinx Virtex
+	  FPGA platforms to partially reconfigure the FPGA at runtime.
+
+	  If unsure, say N.
+
+config APPLICOM
+	tristate "Applicom intelligent fieldbus card support"
+	depends on PCI
+	help
+	  This driver provides the kernel-side support for the intelligent
+	  fieldbus cards made by Applicom International. More information
+	  about these cards can be found on the WWW at the address
+	  <https://www.applicom-int.com/>, or by email from David Woodhouse
+	  <dwmw2@infradead.org>.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called applicom.
+
+	  If unsure, say N.
+
+config SONYPI
+	tristate "Sony Vaio Programmable I/O Control Device support"
+	depends on X86_32 && PCI && INPUT
+	help
+	  This driver enables access to the Sony Programmable I/O Control
+	  Device which can be found in many (all ?) Sony Vaio laptops.
+
+	  If you have one of those laptops, read
+	  <file:Documentation/admin-guide/laptops/sonypi.rst>, and say Y or M here.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called sonypi.
+
+source "drivers/char/pcmcia/Kconfig"
+
+config MWAVE
+	tristate "ACP Modem (Mwave) support"
+	depends on X86 && TTY
+	select SERIAL_8250
+	help
+	  The ACP modem (Mwave) for Linux is a WinModem. It is composed of a
+	  kernel driver and a user level application. Together these components
+	  support direct attachment to public switched telephone networks (PSTNs)
+	  and support selected world wide countries.
+
+	  This version of the ACP Modem driver supports the IBM Thinkpad 600E,
+	  600, and 770 that include on board ACP modem hardware.
+
+	  The modem also supports the standard communications port interface
+	  (ttySx) and is compatible with the Hayes AT Command Set.
+
+	  The user level application needed to use this driver can be found at
+	  the IBM Linux Technology Center (LTC) web site:
+	  <http://www.ibm.com/linux/ltc/>.
+
+	  If you own one of the above IBM Thinkpads which has the Mwave chipset
+	  in it, say Y.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called mwave.
+
+config SCx200_GPIO
+	tristate "NatSemi SCx200 GPIO Support"
+	depends on SCx200
+	select NSC_GPIO
+	help
+	  Give userspace access to the GPIO pins on the National
+	  Semiconductor SCx200 processors.
+
+	  If compiled as a module, it will be called scx200_gpio.
+
+config PC8736x_GPIO
+	tristate "NatSemi PC8736x GPIO Support"
+	depends on X86_32 && !UML
+	default SCx200_GPIO	# mostly N
+	select NSC_GPIO		# needed for support routines
+	help
+	  Give userspace access to the GPIO pins on the National
+	  Semiconductor PC-8736x (x=[03456]) SuperIO chip.  The chip
+	  has multiple functional units, inc several managed by
+	  hwmon/pc87360 driver.  Tested with PC-87366
+
+	  If compiled as a module, it will be called pc8736x_gpio.
+
+config NSC_GPIO
+	tristate "NatSemi Base GPIO Support"
+	depends on X86_32
+	# selected by SCx200_GPIO and PC8736x_GPIO
+	# what about 2 selectors differing: m != y
+	help
+	  Common support used (and needed) by scx200_gpio and
+	  pc8736x_gpio drivers.  If those drivers are built as
+	  modules, this one will be too, named nsc_gpio
+
+config DEVMEM
+	bool "/dev/mem virtual device support"
+	default y
+	help
+	  Say Y here if you want to support the /dev/mem device.
+	  The /dev/mem device is used to access areas of physical
+	  memory.
+	  When in doubt, say "Y".
+
+config NVRAM
+	tristate "/dev/nvram support"
+	depends on X86 || HAVE_ARCH_NVRAM_OPS
+	default M68K || PPC
+	help
+	  If you say Y here and create a character special file /dev/nvram
+	  with major number 10 and minor number 144 using mknod ("man mknod"),
+	  you get read and write access to the non-volatile memory.
+
+	  /dev/nvram may be used to view settings in NVRAM or to change them
+	  (with some utility). It could also be used to frequently
+	  save a few bits of very important data that may not be lost over
+	  power-off and for which writing to disk is too insecure. Note
+	  however that most NVRAM space in a PC belongs to the BIOS and you
+	  should NEVER idly tamper with it. See Ralf Brown's interrupt list
+	  for a guide to the use of CMOS bytes by your BIOS.
+
+	  This memory is conventionally called "NVRAM" on PowerPC machines,
+	  "CMOS RAM" on PCs, "NVRAM" on Ataris and "PRAM" on Macintoshes.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called nvram.
+
+config DEVPORT
+	bool "/dev/port character device"
+	depends on ISA || PCI
+	default y
+	help
+	  Say Y here if you want to support the /dev/port device. The /dev/port
+	  device is similar to /dev/mem, but for I/O ports.
+
+config HPET
+	bool "HPET - High Precision Event Timer" if (X86 || IA64)
+	default n
+	depends on ACPI
+	help
+	  If you say Y here, you will have a miscdevice named "/dev/hpet/".  Each
+	  open selects one of the timers supported by the HPET.  The timers are
+	  non-periodic and/or periodic.
+
+config HPET_MMAP
+	bool "Allow mmap of HPET"
+	default y
+	depends on HPET
+	help
+	  If you say Y here, user applications will be able to mmap
+	  the HPET registers.
+
+config HPET_MMAP_DEFAULT
+	bool "Enable HPET MMAP access by default"
+	default y
+	depends on HPET_MMAP
+	help
+	  In some hardware implementations, the page containing HPET
+	  registers may also contain other things that shouldn't be
+	  exposed to the user.  This option selects the default (if
+	  kernel parameter hpet_mmap is not set) user access to the
+	  registers for applications that require it.
+
+config HANGCHECK_TIMER
+	tristate "Hangcheck timer"
+	depends on X86 || IA64 || PPC64 || S390
+	help
+	  The hangcheck-timer module detects when the system has gone
+	  out to lunch past a certain margin.  It can reboot the system
+	  or merely print a warning.
+
+config UV_MMTIMER
+	tristate "UV_MMTIMER Memory mapped RTC for SGI UV"
+	depends on X86_UV
+	default m
+	help
+	  The uv_mmtimer device allows direct userspace access to the
+	  UV system timer.
+
+source "drivers/char/tpm/Kconfig"
+
+config TELCLOCK
+	tristate "Telecom clock driver for ATCA SBC"
+	depends on X86
+	default n
+	help
+	  The telecom clock device is specific to the MPCBL0010 and MPCBL0050
+	  ATCA computers and allows direct userspace access to the
+	  configuration of the telecom clock configuration settings.  This
+	  device is used for hardware synchronization across the ATCA backplane
+	  fabric.  Upon loading, the driver exports a sysfs directory,
+	  /sys/devices/platform/telco_clock, with a number of files for
+	  controlling the behavior of this hardware.
+
+source "drivers/s390/char/Kconfig"
+
+source "drivers/char/xillybus/Kconfig"
+
+config ADI
+	tristate "SPARC Privileged ADI driver"
+	depends on SPARC64
+	default m
+	help
+	  SPARC M7 and newer processors utilize ADI (Application Data
+	  Integrity) to version and protect memory.  This driver provides
+	  read/write access to the ADI versions for privileged processes.
+	  This feature is also known as MCD (Memory Corruption Detection)
+	  and SSM (Silicon Secured Memory).  Intended consumers of this
+	  driver include crash and makedumpfile.
+
+endmenu