diff options
Diffstat (limited to 'drivers/char/Kconfig')
| -rw-r--r-- | drivers/char/Kconfig | 639 |
1 files changed, 69 insertions, 570 deletions
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index 735bbe2be51..6e9f74a5c09 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -4,89 +4,7 @@ menu "Character devices" -config VT - bool "Virtual terminal" if EMBEDDED - depends on !S390 - select INPUT - default y - ---help--- - If you say Y here, you will get support for terminal devices with - display and keyboard devices. These are called "virtual" because you - can run several virtual terminals (also called virtual consoles) on - one physical terminal. This is rather useful, for example one - virtual terminal can collect system messages and warnings, another - one can be used for a text-mode user session, and a third could run - an X session, all in parallel. Switching between virtual terminals - is done with certain key combinations, usually Alt-<function key>. - - The setterm command ("man setterm") can be used to change the - properties (such as colors or beeping) of a virtual terminal. The - man page console_codes(4) ("man console_codes") contains the special - character sequences that can be used to change those properties - directly. The fonts used on virtual terminals can be changed with - the setfont ("man setfont") command and the key bindings are defined - with the loadkeys ("man loadkeys") command. - - You need at least one virtual terminal device in order to make use - of your keyboard and monitor. Therefore, only people configuring an - embedded system would want to say N here in order to save some - memory; the only way to log into such a system is then via a serial - or network connection. - - If unsure, say Y, or else you won't be able to do much with your new - shiny Linux system :-) - -config CONSOLE_TRANSLATIONS - depends on VT - default y - bool "Enable character translations in console" if EMBEDDED - ---help--- - This enables support for font mapping and Unicode translation - on virtual consoles. - -config VT_CONSOLE - bool "Support for console on virtual terminal" if EMBEDDED - depends on VT - default y - ---help--- - The system console is the device which receives all kernel messages - and warnings and which allows logins in single user mode. If you - answer Y here, a virtual terminal (the device used to interact with - a physical terminal) can be used as system console. This is the most - common mode of operations, so you should say Y here unless you want - the kernel messages be output only to a serial port (in which case - you should say Y to "Console on serial port", below). - - If you do say Y here, by default the currently visible virtual - terminal (/dev/tty0) will be used as system console. You can change - that with a kernel command line option such as "console=tty3" which - would use the third virtual terminal as system console. (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.) - - If unsure, say Y. - -config HW_CONSOLE - bool - depends on VT && !S390 && !UML - default y - -config VT_HW_CONSOLE_BINDING - bool "Support for binding and unbinding console drivers" - depends on HW_CONSOLE - default n - ---help--- - The virtual terminal is the device that interacts with the physical - terminal through console drivers. On these systems, at least one - console driver is loaded. In other configurations, additional console - drivers may be enabled, such as the framebuffer console. If more than - 1 console driver is enabled, setting this to 'y' will allow you to - select the console driver that will serve as the backend for the - virtual terminals. - - See <file:Documentation/console/console.txt> for more - information. For framebuffer console users, please refer to - <file:Documentation/fb/fbcon.txt>. +source "drivers/tty/Kconfig" config DEVKMEM bool "/dev/kmem virtual device support" @@ -97,305 +15,6 @@ config DEVKMEM kind of kernel debugging operations. When in doubt, say "N". -config SERIAL_NONSTANDARD - bool "Non-standard serial port support" - depends on HAS_IOMEM - ---help--- - Say Y here if you have any non-standard serial boards -- boards - which aren't supported using the standard "dumb" serial driver. - This includes intelligent serial boards such as Cyclades, - Digiboards, etc. These are usually used for systems that need many - serial ports because they serve many terminals or dial-in - connections. - - Note that the answer to this question won't directly affect the - kernel: saying N will just cause the configurator to skip all - the questions about non-standard serial boards. - - Most people can say N here. - -config COMPUTONE - tristate "Computone IntelliPort Plus serial support" - depends on SERIAL_NONSTANDARD && (ISA || EISA || PCI) - ---help--- - This driver supports the entire family of Intelliport II/Plus - controllers with the exception of the MicroChannel controllers and - products previous to the Intelliport II. These are multiport cards, - which give you many serial ports. You would need something like this - to connect more than two modems to your Linux box, for instance in - order to become a dial-in server. If you have a card like that, say - Y here and read <file:Documentation/serial/computone.txt>. - - To compile this driver as module, choose M here: the - module will be called ip2. - -config ROCKETPORT - tristate "Comtrol RocketPort support" - depends on SERIAL_NONSTANDARD && (ISA || EISA || PCI) - help - This driver supports Comtrol RocketPort and RocketModem PCI boards. - These boards provide 2, 4, 8, 16, or 32 high-speed serial ports or - modems. For information about the RocketPort/RocketModem boards - and this driver read <file:Documentation/serial/rocket.txt>. - - To compile this driver as a module, choose M here: the - module will be called rocket. - - If you want to compile this driver into the kernel, say Y here. If - you don't have a Comtrol RocketPort/RocketModem card installed, say N. - -config CYCLADES - tristate "Cyclades async mux support" - depends on SERIAL_NONSTANDARD && (PCI || ISA) - select FW_LOADER - ---help--- - This driver supports Cyclades Z and Y multiserial boards. - You would need something like this to connect more than two modems to - your Linux box, for instance in order to become a dial-in server. - - For information about the Cyclades-Z card, read - <file:Documentation/serial/README.cycladesZ>. - - To compile this driver as a module, choose M here: the - module will be called cyclades. - - If you haven't heard about it, it's safe to say N. - -config CYZ_INTR - bool "Cyclades-Z interrupt mode operation (EXPERIMENTAL)" - depends on EXPERIMENTAL && CYCLADES - help - The Cyclades-Z family of multiport cards allows 2 (two) driver op - modes: polling and interrupt. In polling mode, the driver will check - the status of the Cyclades-Z ports every certain amount of time - (which is called polling cycle and is configurable). In interrupt - mode, it will use an interrupt line (IRQ) in order to check the - status of the Cyclades-Z ports. The default op mode is polling. If - unsure, say N. - -config DIGIEPCA - tristate "Digiboard Intelligent Async Support" - depends on SERIAL_NONSTANDARD && (ISA || EISA || PCI) - ---help--- - This is a driver for Digi International's Xx, Xeve, and Xem series - of cards which provide multiple serial ports. You would need - something like this to connect more than two modems to your Linux - box, for instance in order to become a dial-in server. This driver - supports the original PC (ISA) boards as well as PCI, and EISA. If - you have a card like this, say Y here and read the file - <file:Documentation/serial/digiepca.txt>. - - To compile this driver as a module, choose M here: the - module will be called epca. - -config ESPSERIAL - tristate "Hayes ESP serial port support" - depends on SERIAL_NONSTANDARD && ISA && ISA_DMA_API && BROKEN - help - This is a driver which supports Hayes ESP serial ports. Both single - port cards and multiport cards are supported. Make sure to read - <file:Documentation/hayes-esp.txt>. - - To compile this driver as a module, choose M here: the - module will be called esp. - - If unsure, say N. - -config MOXA_INTELLIO - tristate "Moxa Intellio support" - depends on SERIAL_NONSTANDARD && (ISA || EISA || PCI) - select FW_LOADER - help - Say Y here if you have a Moxa Intellio multiport serial card. - - To compile this driver as a module, choose M here: the - module will be called moxa. - -config MOXA_SMARTIO - tristate "Moxa SmartIO support v. 2.0" - depends on SERIAL_NONSTANDARD && (PCI || EISA || ISA) - help - Say Y here if you have a Moxa SmartIO multiport serial card and/or - want to help develop a new version of this driver. - - This is upgraded (1.9.1) driver from original Moxa drivers with - changes finally resulting in PCI probing. - - This driver can also be built as a module. The module will be called - mxser. If you want to do that, say M here. - -config ISI - tristate "Multi-Tech multiport card support (EXPERIMENTAL)" - depends on SERIAL_NONSTANDARD && PCI - select FW_LOADER - help - This is a driver for the Multi-Tech cards which provide several - serial ports. The driver is experimental and can currently only be - built as a module. The module will be called isicom. - If you want to do that, choose M here. - -config SYNCLINK - tristate "Microgate SyncLink card support" - depends on SERIAL_NONSTANDARD && PCI && ISA_DMA_API - help - Provides support for the SyncLink ISA and PCI multiprotocol serial - adapters. These adapters support asynchronous and HDLC bit - synchronous communication up to 10Mbps (PCI adapter). - - This driver can only be built as a module ( = code which can be - inserted in and removed from the running kernel whenever you want). - The module will be called synclink. If you want to do that, say M - here. - -config SYNCLINKMP - tristate "SyncLink Multiport support" - depends on SERIAL_NONSTANDARD && PCI - help - Enable support for the SyncLink Multiport (2 or 4 ports) - serial adapter, running asynchronous and HDLC communications up - to 2.048Mbps. Each ports is independently selectable for - RS-232, V.35, RS-449, RS-530, and X.21 - - This driver may be built as a module ( = code which can be - inserted in and removed from the running kernel whenever you want). - The module will be called synclinkmp. If you want to do that, say M - here. - -config SYNCLINK_GT - tristate "SyncLink GT/AC support" - depends on SERIAL_NONSTANDARD && PCI - help - Support for SyncLink GT and SyncLink AC families of - synchronous and asynchronous serial adapters - manufactured by Microgate Systems, Ltd. (www.microgate.com) - -config N_HDLC - tristate "HDLC line discipline support" - depends on SERIAL_NONSTANDARD - help - Allows synchronous HDLC communications with tty device drivers that - support synchronous HDLC such as the Microgate SyncLink adapter. - - This driver can only be built as a module ( = code which can be - inserted in and removed from the running kernel whenever you want). - The module will be called n_hdlc. If you want to do that, say M - here. - -config RISCOM8 - tristate "SDL RISCom/8 card support" - depends on SERIAL_NONSTANDARD - help - This is a driver for the SDL Communications RISCom/8 multiport card, - which gives you many serial ports. You would need something like - this to connect more than two modems to your Linux box, for instance - in order to become a dial-in server. If you have a card like that, - say Y here and read the file <file:Documentation/serial/riscom8.txt>. - - Also it's possible to say M here and compile this driver as kernel - loadable module; the module will be called riscom8. - -config SPECIALIX - tristate "Specialix IO8+ card support" - depends on SERIAL_NONSTANDARD - help - This is a driver for the Specialix IO8+ multiport card (both the - ISA and the PCI version) which gives you many serial ports. You - would need something like this to connect more than two modems to - your Linux box, for instance in order to become a dial-in server. - - If you have a card like that, say Y here and read the file - <file:Documentation/serial/specialix.txt>. Also it's possible to say - M here and compile this driver as kernel loadable module which will be - called specialix. - -config SX - tristate "Specialix SX (and SI) card support" - depends on SERIAL_NONSTANDARD && (PCI || EISA || ISA) - help - This is a driver for the SX and SI multiport serial cards. - Please read the file <file:Documentation/serial/sx.txt> for details. - - This driver can only be built as a module ( = code which can be - inserted in and removed from the running kernel whenever you want). - The module will be called sx. If you want to do that, say M here. - -config RIO - tristate "Specialix RIO system support" - depends on SERIAL_NONSTANDARD - help - This is a driver for the Specialix RIO, a smart serial card which - drives an outboard box that can support up to 128 ports. Product - information is at <http://www.perle.com/support/documentation.html#multiport>. - There are both ISA and PCI versions. - -config RIO_OLDPCI - bool "Support really old RIO/PCI cards" - depends on RIO - help - Older RIO PCI cards need some initialization-time configuration to - determine the IRQ and some control addresses. If you have a RIO and - this doesn't seem to work, try setting this to Y. - -config STALDRV - bool "Stallion multiport serial support" - depends on SERIAL_NONSTANDARD - help - Stallion cards give you many serial ports. You would need something - like this to connect more than two modems to your Linux box, for - instance in order to become a dial-in server. If you say Y here, - you will be asked for your specific card model in the next - questions. Make sure to read <file:Documentation/serial/stallion.txt> - in this case. If you have never heard about all this, it's safe to - say N. - -config STALLION - tristate "Stallion EasyIO or EC8/32 support" - depends on STALDRV && (ISA || EISA || PCI) - help - If you have an EasyIO or EasyConnection 8/32 multiport Stallion - card, then this is for you; say Y. Make sure to read - <file:Documentation/serial/stallion.txt>. - - To compile this driver as a module, choose M here: the - module will be called stallion. - -config ISTALLION - tristate "Stallion EC8/64, ONboard, Brumby support" - depends on STALDRV && (ISA || EISA || PCI) - help - If you have an EasyConnection 8/64, ONboard, Brumby or Stallion - serial multiport card, say Y here. Make sure to read - <file:Documentation/serial/stallion.txt>. - - To compile this driver as a module, choose M here: the - module will be called istallion. - -config NOZOMI - tristate "HSDPA Broadband Wireless Data Card - Globe Trotter" - depends on PCI && EXPERIMENTAL - help - If you have a HSDPA driver Broadband Wireless Data Card - - Globe Trotter PCMCIA card, say Y here. - - To compile this driver as a module, choose M here, the module - will be called nozomi. - -config A2232 - tristate "Commodore A2232 serial support (EXPERIMENTAL)" - depends on EXPERIMENTAL && ZORRO && BROKEN_ON_SMP - ---help--- - This option supports the 2232 7-port serial card shipped with the - Amiga 2000 and other Zorro-bus machines, dating from 1989. At - a max of 19,200 bps, the ports are served by a 6551 ACIA UART chip - each, plus a 8520 CIA, and a master 6502 CPU and buffer as well. The - ports were connected with 8 pin DIN connectors on the card bracket, - for which 8 pin to DB25 adapters were supplied. The card also had - jumpers internally to toggle various pinning configurations. - - This driver can be built as a module; but then "generic_serial" - will also be built as a module. This has to be loaded before - "ser_a2232". If you want to do this, answer M here. - config SGI_SNSC bool "SGI Altix system controller communication support" depends on (IA64_SGI_SN2 || IA64_GENERIC) @@ -418,91 +37,26 @@ config SGI_MBCS If you have an SGI Altix with an attached SABrick say Y or M here, otherwise say N. -source "drivers/serial/Kconfig" +source "drivers/tty/serial/Kconfig" -config UNIX98_PTYS - bool "Unix98 PTY support" if EMBEDDED - default y - ---help--- - A pseudo terminal (PTY) is a software device consisting of two - halves: a master and a slave. The slave device behaves identical to - a physical terminal; the master device is used by a process to - read data from and write data to the slave, thereby emulating a - terminal. Typical programs for the master side are telnet servers - and xterms. - - Linux has traditionally used the BSD-like names /dev/ptyxx for - masters and /dev/ttyxx for slaves of pseudo terminals. This scheme - has a number of problems. The GNU C library glibc 2.1 and later, - however, supports the Unix98 naming standard: in order to acquire a - pseudo terminal, a process opens /dev/ptmx; the number of the pseudo - terminal is then made available to the process and the pseudo - terminal slave can be accessed as /dev/pts/<number>. What was - traditionally /dev/ttyp2 will then be /dev/pts/2, for example. - - All modern Linux systems use the Unix98 ptys. Say Y unless - you're on an embedded system and want to conserve memory. - -config DEVPTS_MULTIPLE_INSTANCES - bool "Support multiple instances of devpts" - depends on UNIX98_PTYS +config TTY_PRINTK + tristate "TTY driver to output user messages via printk" + depends on EXPERT && TTY default n ---help--- - Enable support for multiple instances of devpts filesystem. - If you want to have isolated PTY namespaces (eg: in containers), - say Y here. Otherwise, say N. If enabled, each mount of devpts - filesystem with the '-o newinstance' option will create an - independent PTY namespace. - -config LEGACY_PTYS - bool "Legacy (BSD) PTY support" - default y - ---help--- - A pseudo terminal (PTY) is a software device consisting of two - halves: a master and a slave. The slave device behaves identical to - a physical terminal; the master device is used by a process to - read data from and write data to the slave, thereby emulating a - terminal. Typical programs for the master side are telnet servers - and xterms. - - Linux has traditionally used the BSD-like names /dev/ptyxx - for masters and /dev/ttyxx for slaves of pseudo - terminals. This scheme has a number of problems, including - security. This option enables these legacy devices; on most - systems, it is safe to say N. - - -config LEGACY_PTY_COUNT - int "Maximum number of legacy PTY in use" - depends on LEGACY_PTYS - range 0 256 - default "256" - ---help--- - The maximum number of legacy PTYs that can be used at any one time. - The default is 256, and should be more than enough. Embedded - systems may want to reduce this to save memory. - - When not in use, each legacy PTY occupies 12 bytes on 32-bit - architectures and 24 bytes on 64-bit architectures. - -config BRIQ_PANEL - tristate 'Total Impact briQ front panel driver' - depends on PPC_CHRP - ---help--- - The briQ is a small footprint CHRP computer with a frontpanel VFD, a - tristate led and two switches. It is the size of a CDROM drive. - - If you have such one and want anything showing on the VFD then you - must answer Y here. + If you say Y here, the support for writing user messages (i.e. + console messages) via printk is available. - To compile this driver as a module, choose M here: the - module will be called briq_panel. + 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. - It's safe to say N here. + If unsure, say N. config BFIN_OTP tristate "Blackfin On-Chip OTP Memory Support" - depends on BLACKFIN && (BF52x || BF54x) + depends on BLACKFIN && (BF51x || BF52x || BF54x) default y help If you say Y here, you will get support for a character device @@ -589,100 +143,23 @@ config PPDEV If unsure, say N. -config HVC_DRIVER - bool - help - Generic "hypervisor virtual console" infrastructure for various - hypervisors (pSeries, iSeries, Xen, lguest). - It will automatically be selected if one of the back-end console drivers - is selected. - -config HVC_IRQ - bool - -config HVC_CONSOLE - bool "pSeries Hypervisor Virtual Console support" - depends on PPC_PSERIES - select HVC_DRIVER - select HVC_IRQ - help - pSeries machines when partitioned support a hypervisor virtual - console. This driver allows each pSeries partition to have a console - which is accessed via the HMC. - -config HVC_ISERIES - bool "iSeries Hypervisor Virtual Console support" - depends on PPC_ISERIES - default y - select HVC_DRIVER - select HVC_IRQ - select VIOPATH - help - iSeries machines support a hypervisor virtual console. - -config HVC_RTAS - bool "IBM RTAS Console support" - depends on PPC_RTAS - select HVC_DRIVER - help - IBM Console device driver which makes use of RTAS - -config HVC_BEAT - bool "Toshiba's Beat Hypervisor Console support" - depends on PPC_CELLEB - select HVC_DRIVER - help - Toshiba's Cell Reference Set Beat Console device driver - -config HVC_IUCV - bool "z/VM IUCV Hypervisor console support (VM only)" - depends on S390 - select HVC_DRIVER - select IUCV - default y - help - This driver provides a Hypervisor console (HVC) back-end to access - a Linux (console) terminal via a z/VM IUCV communication path. - -config HVC_XEN - bool "Xen Hypervisor Console support" - depends on XEN - select HVC_DRIVER - select HVC_IRQ - default y - help - Xen virtual console device driver - -config HVC_UDBG - bool "udbg based fake hypervisor console" - depends on PPC && EXPERIMENTAL - select HVC_DRIVER - default n +source "drivers/tty/hvc/Kconfig" config VIRTIO_CONSOLE tristate "Virtio console" - depends on VIRTIO + depends on VIRTIO && TTY select HVC_DRIVER help Virtio console for use with lguest and other hypervisors. - -config HVCS - tristate "IBM Hypervisor Virtual Console Server support" - depends on PPC_PSERIES - help - Partitionable IBM Power5 ppc64 machines allow hosting of - firmware virtual consoles from one Linux partition by - another Linux partition. This driver allows console data - from Linux partitions to be accessed through TTY device - interfaces in the device tree of a Linux partition running - this driver. - - To compile this driver as a module, choose M here: the - module will be called hvcs.ko. Additionally, this module - will depend on arch specific APIs exported from hvcserver.ko - which will also be compiled when this driver is built as a - module. + 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" @@ -794,7 +271,7 @@ if RTC_LIB=n config RTC tristate "Enhanced Real Time Clock Support (legacy PC RTC driver)" depends on !PPC && !PARISC && !IA64 && !M68K && !SPARC && !FRV \ - && !ARM && !SUPERH && !S390 && !AVR32 + && !ARM && !SUPERH && !S390 && !AVR32 && !BLACKFIN && !UML ---help--- If you say Y here and create a character special file /dev/rtc with major number 10 and minor number 135 using mknod ("man mknod"), you @@ -842,7 +319,7 @@ config JS_RTC config GEN_RTC tristate "Generic /dev/rtc emulation" - depends on RTC!=y && !IA64 && !ARM && !M32R && !MIPS && !SPARC && !FRV && !S390 && !SUPERH && !AVR32 && !BLACKFIN + depends on RTC!=y && !IA64 && !ARM && !M32R && !MIPS && !SPARC && !FRV && !S390 && !SUPERH && !AVR32 && !BLACKFIN && !UML ---help--- If you say Y here and create a character special file /dev/rtc with major number 10 and minor number 135 using mknod ("man mknod"), you @@ -893,7 +370,7 @@ config DTLK config XILINX_HWICAP tristate "Xilinx HWICAP Support" - depends on XILINX_VIRTEX + depends on XILINX_VIRTEX || MICROBLAZE help This option enables support for Xilinx Internal Configuration Access Port (ICAP) driver. The ICAP is used on Xilinx Virtex @@ -903,6 +380,7 @@ config XILINX_HWICAP config R3964 tristate "Siemens R3964 line discipline" + depends on TTY ---help--- This driver allows synchronous communication with devices using the Siemens R3964 packet protocol. Unless you are dealing with special @@ -929,8 +407,8 @@ config APPLICOM If unsure, say N. config SONYPI - tristate "Sony Vaio Programmable I/O Control Device support (EXPERIMENTAL)" - depends on EXPERIMENTAL && X86 && PCI && INPUT && !64BIT + 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. @@ -950,7 +428,7 @@ source "drivers/char/pcmcia/Kconfig" config MWAVE tristate "ACP Modem (Mwave) support" - depends on X86 + depends on X86 && TTY select SERIAL_8250 ---help--- The ACP modem (Mwave) for Linux is a WinModem. It is composed of a @@ -986,7 +464,7 @@ config SCx200_GPIO config PC8736x_GPIO tristate "NatSemi PC8736x GPIO Support" - depends on X86 + depends on X86_32 && !UML default SCx200_GPIO # mostly N select NSC_GPIO # needed for support routines help @@ -1007,19 +485,6 @@ config NSC_GPIO pc8736x_gpio drivers. If those drivers are built as modules, this one will be too, named nsc_gpio -config CS5535_GPIO - tristate "AMD CS5535/CS5536 GPIO (Geode Companion Device)" - depends on X86_32 - help - Give userspace access to the GPIO pins on the AMD CS5535 and - CS5536 Geode companion devices. - - If compiled as a module, it will be called cs5535_gpio. - -config GPIO_VR41XX - tristate "NEC VR4100 series General-purpose I/O Unit support" - depends on CPU_VR41XX - config RAW_DRIVER tristate "RAW driver (/dev/raw/rawN)" depends on BLOCK @@ -1032,8 +497,9 @@ config RAW_DRIVER with the O_DIRECT flag. config MAX_RAW_DEVS - int "Maximum number of RAW devices to support (1-8192)" + int "Maximum number of RAW devices to support (1-65536)" depends on RAW_DRIVER + range 1 65536 default "256" help The maximum number of RAW devices that are supported. @@ -1057,10 +523,16 @@ config HPET_MMAP 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. If this applies to your hardware, - say N here. + 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" @@ -1078,11 +550,19 @@ config MMTIMER The mmtimer device allows direct userspace access to the Altix system timer. +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 EXPERIMENTAL && X86 + depends on X86 default n help The telecom clock device is specific to the MPCBL0010 and MPCBL0050 @@ -1101,5 +581,24 @@ config DEVPORT source "drivers/s390/char/Kconfig" +config MSM_SMD_PKT + bool "Enable device interface for some SMD packet ports" + default n + depends on MSM_SMD + help + Enables userspace clients to read and write to some packet SMD + ports via device interface for MSM chipset. + +config TILE_SROM + bool "Character-device access via hypervisor to the Tilera SPI ROM" + depends on TILE + default y + ---help--- + This device provides character-level read-write access + to the SROM, typically via the "0", "1", and "2" devices + in /dev/srom/. The Tilera hypervisor makes the flash + device appear much like a simple EEPROM, and knows + how to partition a single ROM for multiple purposes. + endmenu |