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* create drivers/platform/x86/ from drivers/misc/Len Brown2008-12-191-0/+2
| | | | | | | | | | | | | | | | | | Move x86 platform specific drivers from drivers/misc/ to a new home under drivers/platform/x86/. The community has been maintaining x86 vendor-specific platform specific drivers under /drivers/misc/ for a few years. The oldest ones started life under drivers/acpi. They moved out of drivers/acpi/ because they don't actually implement the ACPI specification, but either simply use ACPI, or implement vendor-specific ACPI extensions. In the future we anticipate... drivers/misc/ will go away. other architectures will create drivers/platform/<arch> Signed-off-by: Len Brown <len.brown@intel.com>
* regulator: Build on non-ARM platformsMark Brown2008-10-281-0/+2
| | | | | | | | | When the regulator API was merged it was added to the separate Kconfig which ARM uses for drivers but not the generic one in drivers/. Since there is nothing ARM-specific about the API add it there too. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
* Merge branch 'master' into for-upstreamDavid Vrabel2008-10-201-0/+2
|\ | | | | | | | | | | | | Conflicts: Documentation/ABI/testing/sysfs-bus-usb drivers/Makefile
| * Staging: add Kconfig entries and Makefile infrastructureGreg Kroah-Hartman2008-10-111-0/+2
| | | | | | | | | | | | | | This hooks up the drivers/staging directory to the build system Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* | uwb: add the UWB stack (build system)Greg Kroah-Hartman2008-09-171-0/+2
|/ | | | | | | The Kbuild and Kconfig files. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: David Vrabel <david.vrabel@csr.com>
* Basic braille screen reader supportSamuel Thibault2008-04-301-0/+2
| | | | | | | | | | | | | | | This adds a minimalistic braille screen reader support. This is meant to be used by blind people e.g. on boot failures or when / cannot be mounted etc and thus the userland screen readers can not work. [akpm@linux-foundation.org: fix exports] Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Cc: Jiri Kosina <jikos@jikos.cz> Cc: Dmitry Torokhov <dtor@mail.ru> Acked-by: Alan Cox <alan@redhat.com> Cc: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* xen: add balloon driverJeremy Fitzhardinge2008-04-241-0/+2
| | | | | | | | | | | | | | The balloon driver allows memory to be dynamically added or removed from the domain, in order to allow host memory to be balanced between multiple domains. This patch introduces the Xen balloon driver, though it currently only allows a domain to be shrunk from its initial size (and re-grown back to that size). A later patch will add the ability to grow a domain beyond its initial size. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* memstick: initial commit for Sony MemoryStick supportAlex Dubov2008-02-091-0/+2
| | | | | | | | | | | | | | Sony MemoryStick cards are used in many products manufactured by Sony. They are available both as storage and as IO expansion cards. Currently, only MemoryStick Pro storage cards are supported via TI FlashMedia MemoryStick interface. [mboton@gmail.com: biuld fix] [akpm@linux-foundation.org: build fix] Signed-off-by: Alex Dubov <oakad@yahoo.com> Signed-off-by: Miguel Boton <mboton@gmail.co> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branches 'release' and 'menlo' into releaseLen Brown2008-02-071-0/+2
|\ | | | | | | | | | | | | | | Conflicts: drivers/acpi/video.c Signed-off-by: Len Brown <len.brown@intel.com>
| * the generic thermal sysfs driverZhang Rui2008-02-021-0/+2
| | | | | | | | | | | | | | | | The Generic Thermal sysfs driver for thermal management. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Thomas Sujith <sujith.thomas@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | gpiolib: add drivers/gpio directoryDavid Brownell2008-02-051-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add an empty drivers/gpio directory for gpiolib infrastructure and GPIO expanders. It will be populated by later patches. This won't be the only place to hold such gpio_chip code. Many external chips add a few GPIOs as secondary functionality (such as MFD drivers) and platform code frequently needs to closely integrate GPIO and IRQ support. This is placed *early* in the build/link sequence since it's common for other drivers to depend on GPIOs to do their work, so they must be initialized early in the device_initcall() sequence. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Acked-by: Jean Delvare <khali@linux-fr.org> Cc: Eric Miao <eric.miao@marvell.com> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Haavard Skinnemoen <hskinnemoen@atmel.com> Cc: Philipp Zabel <philipp.zabel@gmail.com> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Ben Gardner <bgardner@wabtec.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | virtio: Put the virtio under the virtualization menuAnthony Liguori2008-02-041-2/+0
|/ | | | | | | | This patch moves virtio under the virtualization menu and changes virtio devices to not claim to only be for lguest. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
* KVM: Move arch dependent files to new directory arch/x86/kvm/Avi Kivity2008-01-301-2/+0
| | | | | | | This paves the way for multiple architecture support. Note that while ioapic.c could potentially be shared with ia64, it is also moved. Signed-off-by: Avi Kivity <avi@qumranet.com>
* Virtio interfaceRusty Russell2007-10-231-0/+2
| | | | | | | | | | | | | | | | This attempts to implement a "virtual I/O" layer which should allow common drivers to be efficiently used across most virtual I/O mechanisms. It will no-doubt need further enhancement. The virtio drivers add buffers to virtio queues; as the buffers are consumed the driver "interrupt" callbacks are invoked. There is also a generic implementation of config space which drivers can query to get setup information from the host. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Dor Laor <dor.laor@qumranet.com> Cc: Arnd Bergmann <arnd@arndb.de>
* Consolidate host virtualization support under Virtualization menuRusty Russell2007-10-231-2/+0
| | | | | | | Move lguest under the virtualization menu. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Avi Kivity <avi@qumranet.com>
* mv watchdog tree under driversWim Van Sebroeck2007-10-181-0/+2
| | | | | | move watchdog tree from drivers/char/watchdog to drivers/watchdog. Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
* DCA: Add Direct Cache Access driverShannon Nelson2007-10-161-0/+2
| | | | | | | | | | | | | | | | | | | | | | Direct Cache Access (DCA) is a method for warming the CPU cache before data is used, with the intent of lessening the impact of cache misses. This patch adds a manager and interface for matching up client requests for DCA services with devices that offer DCA services. In order to use DCA, a module must do bus writes with the appropriate tag bits set to trigger a cache read for a specific CPU. However, different CPUs and chipsets can require different sets of tag bits, and the methods for determining the correct bits may be simple hardcoding or may be a hardware specific magic incantation. This interface is a way for DCA clients to find the correct tag bits for the targeted CPU without needing to know the specifics. [Dave Miller] use DEFINE_SPINLOCK() Signed-off-by: Shannon Nelson <shannon.nelson@intel.com> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [SSB]: add Sonics Silicon Backplane bus supportMichael Buesch2007-10-111-0/+2
| | | | | | | | | | | | | | SSB is an SoC bus used in a number of embedded devices. The most well-known of these devices is probably the Linksys WRT54G, but there are others as well. The bus is also used internally on the BCM43xx and BCM44xx devices from Broadcom. This patch also includes support for SSB ID tables in modules, so that SSB drivers can be loaded automatically. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Begin to consolidate of_device.cStephen Rothwell2007-07-201-0/+2
| | | | | | | | | | | | | This moves all the common parts for the Sparc, Sparc64 and PowerPC of_device.c files into drivers/of/device.c. Apart from the simple move, Sparc gains of_match_node() and a call to of_node_put in of_release_dev(). PowerPC gains better recovery if device_create_file() fails in of_device_register(). Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Acked-by: Paul Mackerras <paulus@samba.org> Acked-by: David S. Miller <davem@davemloft.net>
* lguest: the Makefile and KconfigRusty Russell2007-07-191-0/+2
| | | | | | | | | | This is the Kconfig and Makefile to allow lguest to actually be compiled. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* UIO: Add the User IO core codeHans J. Koch2007-07-191-0/+1
| | | | | | | | | | | | | | | | This interface allows the ability to write the majority of a driver in userspace with only a very small shell of a driver in the kernel itself. It uses a char device and sysfs to interact with a userspace process to process interrupts and control memory accesses. See the docbook documentation for more details on how to use this interface. From: Hans J. Koch <hjk@linutronix.de> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Benedikt Spranger <b.spranger@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* Merge git://git.infradead.org/~dwmw2/battery-2.6Linus Torvalds2007-07-101-0/+2
|\ | | | | | | | | | | | | | | | | | | | | * git://git.infradead.org/~dwmw2/battery-2.6: [BATTERY] ds2760 W1 slave [BATTERY] One Laptop Per Child power/battery driver [BATTERY] Apple PMU driver [BATTERY] 1-Wire ds2760 chip battery driver [BATTERY] APM emulation driver for class batteries [BATTERY] pda_power platform driver [BATTERY] Universal power supply class (was: battery class)
| * [BATTERY] Universal power supply class (was: battery class)Anton Vorontsov2007-07-101-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This class is result of "external power" and "battery" classes merge, as suggested by David Woodhouse. He also implemented uevent support. Here how userspace seeing it now: # ls /sys/class/power\ supply/ ac main-battery usb # cat /sys/class/power\ supply/ac/type AC # cat /sys/class/power\ supply/usb/type USB # cat /sys/class/power\ supply/main-battery/type Battery # cat /sys/class/power\ supply/ac/online 1 # cat /sys/class/power\ supply/usb/online 0 # cat /sys/class/power\ supply/main-battery/status Charging # cat /sys/class/leds/h5400\:red-left/trigger none h5400-radio timer hwtimer ac-online usb-online main-battery-charging-or-full [main-battery-charging] main-battery-full Signed-off-by: Anton Vorontsov <cbou@mail.ru> Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
* | Remove legacy CDROM driversJens Axboe2007-07-101-2/+0
|/ | | | | | | | | | | They are all broken beyond repair. Given that nobody has complained about them (most haven't worked in 2.6 AT ALL), remove them from the tree. A new mitsumi driver that actually works is in progress, it'll get added when completed. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* [PATCH] drivers: add LCD supportMiguel Ojeda Sandonis2007-02-111-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add support for auxiliary displays, the ks0108 LCD controller, the cfag12864b LCD and adds a framebuffer device: cfag12864bfb. - Add a "auxdisplay/" folder in "drivers/" for auxiliary display drivers. - Add support for the ks0108 LCD Controller as a device driver. (uses parport interface) - Add support for the cfag12864b LCD as a device driver. (uses ks0108 LCD Controller driver) - Add a framebuffer device called cfag12864bfb. (uses cfag12864b LCD driver) - Add the usual Documentation, includes, Makefiles, Kconfigs, MAINTAINERS, CREDITS... - Miguel Ojeda will maintain all the stuff above. [rdunlap@xenotime.net: workqueue fixups] [akpm@osdl.org: kconfig fix] Signed-off-by: Miguel Ojeda Sandonis <maxextreme@gmail.com> Cc: Greg KH <greg@kroah.com> Acked-by: Paulo Marques <pmarques@grupopie.com> Cc: "Randy.Dunlap" <rdunlap@xenotime.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] kvm: userspace interfaceAvi Kivity2006-12-101-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | web site: http://kvm.sourceforge.net mailing list: kvm-devel@lists.sourceforge.net (http://lists.sourceforge.net/lists/listinfo/kvm-devel) The following patchset adds a driver for Intel's hardware virtualization extensions to the x86 architecture. The driver adds a character device (/dev/kvm) that exposes the virtualization capabilities to userspace. Using this driver, a process can run a virtual machine (a "guest") in a fully virtualized PC containing its own virtual hard disks, network adapters, and display. Using this driver, one can start multiple virtual machines on a host. Each virtual machine is a process on the host; a virtual cpu is a thread in that process. kill(1), nice(1), top(1) work as expected. In effect, the driver adds a third execution mode to the existing two: we now have kernel mode, user mode, and guest mode. Guest mode has its own address space mapping guest physical memory (which is accessible to user mode by mmap()ing /dev/kvm). Guest mode has no access to any I/O devices; any such access is intercepted and directed to user mode for emulation. The driver supports i386 and x86_64 hosts and guests. All combinations are allowed except x86_64 guest on i386 host. For i386 guests and hosts, both pae and non-pae paging modes are supported. SMP hosts and UP guests are supported. At the moment only Intel hardware is supported, but AMD virtualization support is being worked on. Performance currently is non-stellar due to the naive implementation of the mmu virtualization, which throws away most of the shadow page table entries every context switch. We plan to address this in two ways: - cache shadow page tables across tlb flushes - wait until AMD and Intel release processors with nested page tables Currently a virtual desktop is responsive but consumes a lot of CPU. Under Windows I tried playing pinball and watching a few flash movies; with a recent CPU one can hardly feel the virtualization. Linux/X is slower, probably due to X being in a separate process. In addition to the driver, you need a slightly modified qemu to provide I/O device emulation and the BIOS. Caveats (akpm: might no longer be true): - The Windows install currently bluescreens due to a problem with the virtual APIC. We are working on a fix. A temporary workaround is to use an existing image or install through qemu - Windows 64-bit does not work. That's also true for qemu, so it's probably a problem with the device model. [bero@arklinux.org: build fix] [simon.kagstrom@bth.se: build fix, other fixes] [uril@qumranet.com: KVM: Expose interrupt bitmap] [akpm@osdl.org: i386 build fix] [mingo@elte.hu: i386 fixes] [rdreier@cisco.com: add log levels to all printks] [randy.dunlap@oracle.com: Fix sparse NULL and C99 struct init warnings] [anthony@codemonkey.ws: KVM: AMD SVM: 32-bit host support] Signed-off-by: Yaniv Kamay <yaniv@qumranet.com> Signed-off-by: Avi Kivity <avi@qumranet.com> Cc: Simon Kagstrom <simon.kagstrom@bth.se> Cc: Bernhard Rosenkraenzer <bero@arklinux.org> Signed-off-by: Uri Lublin <uril@qumranet.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Roland Dreier <rolandd@cisco.com> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Anthony Liguori <anthony@codemonkey.ws> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Generic HID layer - buildJiri Kosina2006-12-081-0/+2
| | | | | | | | | | | | | This modifies Makefiles and Kconfigs to properly reflect the creation of generic HID layer. It also removes the dependency of BROKEN, which was introduced by the first patch in series (see the comment). Also updates credits. Signed-off-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] ioc4: Enable build on non-SN2Brent Casavant2006-10-171-2/+4
| | | | | | | | | | | | | | | | | | | | The SGI PCI-RT card, based on the SGI IOC4 chip, will be made available on Altix XE (x86_64) platforms in the near future. As such it is now a misnomer for the IOC4 base device driver to live under drivers/sn, and would complicate builds for non-SN2. This patch moves the IOC4 base driver code from drivers/sn to drivers/misc, and updates the associated Makefiles and Kconfig files to allow building on non-SN2 configs. Due to the resulting change in link order, it is now necessary to use late_initcall() for IOC4 subdriver initialization. [akpm@osdl.org: __udivdi3 fix] [akpm@osdl.org: fix default in Kconfig] Acked-by: Pat Gefre <pfg@sgi.com> Acked-by: Jeremy Higdon <jeremy@sgi.com> Signed-off-by: Brent Casavant <bcasavan@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Move libata to drivers/ata.Jeff Garzik2006-08-101-0/+2
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* [I/OAT]: DMA memcpy subsystemChris Leech2006-06-181-0/+2
| | | | | | | Provides an API for offloading memory copies to DMA devices Signed-off-by: Chris Leech <christopher.leech@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IA64] IOC4 config option orderingBrent Casavant2006-04-211-2/+0
| | | | | | | | | | | | SERIAL_SGI_IOC4 and BLK_DEV_SGIIOC4 depend upon SGI_IOC4, and SERIAL_SGI_IOC3 depends upon SGI_IOC3. Currently the definitions are out of order in the config sequence. Fix by including drivers/sn/Kconfig immediately after SGI_SN, upon which SGI_IOC4 and SGI_IOC3 depend. Signed-off-by: Brent Casavant <bcasavan@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [PATCH] LED: add LED classRichard Purdie2006-03-311-0/+2
| | | | | | | | | | | | Add the foundations of a new LEDs subsystem. This patch adds a class which presents LED devices within sysfs and allows their brightness to be controlled. Signed-off-by: Richard Purdie <rpurdie@rpsys.net> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] RTC Subsystem: library functionsAlessandro Zummo2006-03-271-0/+2
| | | | | | | | RTC and date/time related functions. Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] EDAC: core EDAC support codeAlan Cox2006-01-191-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | This is a subset of the bluesmoke project core code, stripped of the NMI work which isn't ready to merge and some of the "interesting" proc functionality that needs reworking or just has no place in kernel. It requires no core kernel changes except the added scrub functions already posted. The goal is to merge further functionality only after the core code is accepted and proven in the base kernel, and only at the point the upstream extras are really ready to merge. From: doug thompson <norsk5@xmission.com> This converts EDAC to sysfs and is the final chunk neccessary before EDAC has a stable user space API and can be considered for submission into the base kernel. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: doug thompson <norsk5@xmission.com> Signed-off-by: Pavel Machek <pavel@suse.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] spi: simple SPI frameworkDavid Brownell2006-01-141-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is the core of a small SPI framework, implementing the model of a queue of messages which complete asynchronously (with thin synchronous wrappers on top). - It's still less than 2KB of ".text" (ARM). If there's got to be a mid-layer for something so simple, that's the right size budget. :) - The guts use board-specific SPI device tables to build the driver model tree. (Hardware probing is rarely an option.) - This version of Kconfig includes no drivers. At this writing there are two known master controller drivers (PXA/SSP, OMAP MicroWire) and three protocol drivers (CS8415a, ADS7846, DataFlash) with LKML mentions of other drivers in development. - No userspace API. There are several implementations to compare. Implement them like any other driver, and bind them with sysfs. The changes from last version posted to LKML (on 11-Nov-2005) are minor, and include: - One bugfix (removes a FIXME), with the visible effect of making device names be "spiB.C" where B is the bus number and C is the chipselect. - The "caller provides DMA mappings" mechanism now has kerneldoc, for DMA drivers that want to be fancy. - Hey, the framework init can be subsys_init. Even though board init logic fires earlier, at arch_init ... since the framework init is for driver support, and the board init support uses static init. - Various additional spec/doc clarifications based on discussions with other folk. It adds a brief "thank you" at the end, for folk who've helped nudge this framework into existence. As I've said before, I think that "protocol tweaking" is the main support that this driver framework will need to evolve. From: Mark Underwood <basicmark@yahoo.com> Update the SPI framework to remove a potential priority inversion case by reverting to kmalloc if the pre-allocated DMA-safe buffer isn't available. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [NET]: Add netlink connector.Evgeniy Polyakov2005-09-121-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Kernel connector - new userspace <-> kernel space easy to use communication module which implements easy to use bidirectional message bus using netlink as it's backend. Connector was created to eliminate complex skb handling both in send and receive message bus direction. Connector driver adds possibility to connect various agents using as one of it's backends netlink based network. One must register callback and identifier. When driver receives special netlink message with appropriate identifier, appropriate callback will be called. From the userspace point of view it's quite straightforward: socket(); bind(); send(); recv(); But if kernelspace want to use full power of such connections, driver writer must create special sockets, must know about struct sk_buff handling... Connector allows any kernelspace agents to use netlink based networking for inter-process communication in a significantly easier way: int cn_add_callback(struct cb_id *id, char *name, void (*callback) (void *)); void cn_netlink_send(struct cn_msg *msg, u32 __groups, int gfp_mask); struct cb_id { __u32 idx; __u32 val; }; idx and val are unique identifiers which must be registered in connector.h for in-kernel usage. void (*callback) (void *) - is a callback function which will be called when message with above idx.val will be received by connector core. Using connector completely hides low-level transport layer from it's users. Connector uses new netlink ability to have many groups in one socket. [ Incorporating many cleanups and fixes by myself and Andrew Morton -DaveM ] Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [MFD] Add multimedia communication port core supportRussell King2005-08-181-0/+2
| | | | | | | | Add support for the core of the multimedia communication port framework. This is a port used to communicate with devices with two DMA paths and a control path. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/i2c-2.6Linus Torvalds2005-07-131-0/+2
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| * [PATCH] I2C: Move hwmon drivers (1/3)Jean Delvare2005-07-111-0/+2
| | | | | | | | | | | | | | Part 1: Configuration files and Makefiles. From: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* | [NET]: add a top-level Networking menu to *configSam Ravnborg2005-07-121-1/+1
|/ | | | | | | | | | | | | | | | | | Create a new top-level menu named "Networking" thus moving net related options and protocol selection way from the drivers menu and up on the top-level where they belong. To implement this all architectures has to source "net/Kconfig" before drivers/*/Kconfig in their Kconfig file. This change has been implemented for all architectures. Device drivers for ordinary NIC's are still to be found in the Device Drivers section, but Bluetooth, IrDA and ax25 are located with their corresponding menu entries under the new networking menu item. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PATCH] ioc4: CONFIG splitBrent Casavant2005-06-221-0/+2
| | | | | | | | | | | | | | | | The SGI IOC4 I/O controller chip drivers are currently all configured by CONFIG_BLK_DEV_SGIIOC4. This is undesirable as not all IOC4 hardware features are needed by all systems. This patch adds two configuration variables, CONFIG_SGI_IOC4 for core IOC4 driver support (see patch 1/3 in this series for further explanation) and CONFIG_SERIAL_SGI_IOC4 to independently enable serial port support. Signed-off-by: Brent Casavant <bcasavan@sgi.com> Acked-by: Pat Gefre <pfg@sgi.com> Acked-by: Jeremy Higdon <jeremy@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Linux-2.6.12-rc2v2.6.12-rc2Linus Torvalds2005-04-171-0/+61
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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