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* byteorder: make swab.h include asm/swab.h like a regular headerHarvey Harrison2009-01-14
| | | | | | | | | Add swab.h to kbuild.asm and remove the individual entries from each arch, mark as unifdef as some arches have some kernel-only bits inside. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* avr32: Move syscalls.h under arch/avr32/include/asm/Haavard Skinnemoen2009-01-07
| | | | | | This file was added to the old include/asm-avr32/ directory by mistake. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
*---. Merge branches 'fixes', 'cleanups' and 'boards'Haavard Skinnemoen2009-01-07
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| | | * atmel-mci: move atmel-mci.h file to include/linuxNicolas Ferre2009-01-05
| | |/ | | | | | | | | | | | | | | | | | | | | | Needed to use the atmel-mci driver in an architecture independant maner. Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
| * / avr32: Define DIE_OOPSHaavard Skinnemoen2009-01-07
| |/ | | | | | | | | | | | | Whatever the hell that is. Needed to make kernel/trace/trace.c compile again. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* | avr32: introduce asm/swab.hHarvey Harrison2009-01-06
| | | | | | | | | | Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | atomic_t: unify all arch definitionsMatthew Wilcox2009-01-06
| | | | | | | | | | | | | | | | | | | | | | | | The atomic_t type cannot currently be used in some header files because it would create an include loop with asm/atomic.h. Move the type definition to linux/types.h to break the loop. Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Cc: Huang Ying <ying.huang@intel.com> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | avr32: define __flsRusty Russell2008-12-31
|/ | | | | | | | Like fls, but can't be handed 0 and returns the bit number. (I broke this arch in linux-next by using __fls in generic code). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
* container freezer: add TIF_FREEZE flag to all architecturesMatt Helsley2008-10-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch series introduces a cgroup subsystem that utilizes the swsusp freezer to freeze a group of tasks. It's immediately useful for batch job management scripts. It should also be useful in the future for implementing container checkpoint/restart. The freezer subsystem in the container filesystem defines a cgroup file named freezer.state. Reading freezer.state will return the current state of the cgroup. Writing "FROZEN" to the state file will freeze all tasks in the cgroup. Subsequently writing "RUNNING" will unfreeze the tasks in the cgroup. * Examples of usage : # mkdir /containers/freezer # mount -t cgroup -ofreezer freezer /containers # mkdir /containers/0 # echo $some_pid > /containers/0/tasks to get status of the freezer subsystem : # cat /containers/0/freezer.state RUNNING to freeze all tasks in the container : # echo FROZEN > /containers/0/freezer.state # cat /containers/0/freezer.state FREEZING # cat /containers/0/freezer.state FROZEN to unfreeze all tasks in the container : # echo RUNNING > /containers/0/freezer.state # cat /containers/0/freezer.state RUNNING This patch: The first step in making the refrigerator() available to all architectures, even for those without power management. The purpose of such a change is to be able to use the refrigerator() in a new control group subsystem which will implement a control group freezer. [akpm@linux-foundation.org: fix sparc] Signed-off-by: Cedric Le Goater <clg@fr.ibm.com> Signed-off-by: Matt Helsley <matthltc@us.ibm.com> Acked-by: Pavel Machek <pavel@suse.cz> Acked-by: Serge E. Hallyn <serue@us.ibm.com> Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Nigel Cunningham <nigel@tuxonice.net> Tested-by: Matt Helsley <matthltc@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] remove unused ibcs2/PER_SVR4 in SET_PERSONALITYMartin Schwidefsky2008-10-16
| | | | | | | | The SET_PERSONALITY macro is always called with a second argument of 0. Remove the ibcs argument and the various tests to set the PER_SVR4 personality. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
* Merge branch 'master' of ↵David Woodhouse2008-10-13
|\ | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 Conflicts: include/asm-x86/statfs.h
| * Merge branch 'master' of ↵Haavard Skinnemoen2008-10-12
| |\ | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/atmel-mci-2.6.28
| | * atmel-mci: Add experimental DMA supportHaavard Skinnemoen2008-10-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds support for DMA transfers through the generic DMA engine framework with the DMA slave extensions. The driver has been tested using mmc-block and ext3fs on several SD, SDHC and MMC+ cards. Reads and writes work fine, with read transfer rates up to 7.5 MiB/s on fast cards with debugging disabled. Unfortunately, the driver has been known to lock up from time to time with DMA enabled, so DMA support is currently optional and marked EXPERIMENTAL. However, I didn't see any problems while testing 13 different cards (MMC, SD and SDHC of different brands and sizes), so I suspect the "Initialize BLKR before sending data transfer command" fix that was posted earlier fixed this as well. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
| | * atmel-mci: support multiple mmc slotsHaavard Skinnemoen2008-10-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The Atmel MCI controller can drive multiple cards through separate sets of pins, but only one at a time. This patch adds support for multiplexing access to the controller so that multiple card slots can be used as if they were hooked up to separate mmc controllers. The atmel-mci driver registers each slot as a separate mmc_host. Both access the same common controller state, but they also have some state on their own for card detection/write protect handling, and separate shadows of the MR and SDCR registers. When one of the slots receives a request from the mmc core, the common controller state is checked. If it's idle, the request is submitted immediately. If not, the request is added to a queue. When a request is done, the queue is checked and if there is a queued request, it is submitted before the completion callback is called. This patch also includes a few cleanups and fixes, including a locking overhaul. I had to change the locking extensively in any case, so I might as well try to get it right. The driver no longer takes any irq-safe locks, which may or may not improve the overall system performance. This patch also adds a bit of documentation of the internal data structures. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
| | * atmel-mci: Platform code for supporting multiple mmc slotsHaavard Skinnemoen2008-10-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add the necessary platform infrastructure to support multiple mmc/sdcard slots all at once through a single controller. Currently, the driver will use the first valid slot it finds and stick with that, but later patches will add support for switching between several slots on the fly. Extend the platform data structure with per-slot information: MMC/SDcard bus width and card detect/write protect pins. This will affect the pin muxing as well as the capabilities announced to the mmc core. Note that board code is now required to supply a mci_platform_data struct to at32_add_device_mci(). Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
| * | avr32: Implement {read,write}[bwl]_beHaavard Skinnemoen2008-10-08
| | | | | | | | | | | | Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
| * | avr32: use the new byteorder headersHarvey Harrison2008-09-22
| |/ | | | | | | | | | | Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> [haavard.skinnemoen@atmel.com: fix <mach/io.h> build breakage] Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* / Remove asm/a.out.h files for all architectures without a.out support.Adrian Bunk2008-09-06
|/ | | | | | | | | | This patch also includes the required removal of (unused) inclusion of <asm/a.out.h> <linux/a.out.h>'s in the arch/ code for these architectures. [dwmw2: updated for 2.6.27-rc] Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* avr32: Use <mach/foo.h> instead of <asm/arch/foo.h>Haavard Skinnemoen2008-08-05
| | | | | | | Update all avr32-specific files to use the new platform-specific header locations. Drivers shared with ARM are left alone for now. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* avr32: Move include/asm-avr32 to arch/avr32/include/asmHaavard Skinnemoen2008-08-05
Leaving include/asm/arch alone for now. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
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