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2009-09-17Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: (53 commits) m68knommu: Make PAGE_SIZE available to assembly files. m68knommu: fix ColdFire definition of CLOCK_TICK_RATE m68knommu: set multi-function pins for ethernet when enabled m68knommu: remove special interrupt handling code for ne2k support m68knommu: relax IO_SPACE_LIMIT setting m68knommu: remove ColdFire direct interrupt register access m68knommu: create a speciailized ColdFire 5272 interrupt controller m68knommu: add support for second interrupt controller of ColdFire 5249 m68knommu: clean up old ColdFire timer irq setup m68knommu: map ColdFire interrupts to correct masking bits m68knommu: clean up ColdFire 532x CPU timer setup m68knommu: simplify ColdFire "timers" clock initialization m68knommu: support code to mask external interrupts on old ColdFire CPU's m68knommu: merge old ColdFire interrupt controller masking macros m68knommu: remove duplicate ColdFire mcf_autovector() code m68knommu: move ColdFire INTC definitions to new include file m68knommu: mask off all interrupts in ColdFire intc-simr controller m68knommu: remove timer device interrupt setup for ColdFire 532x m68knommu: remove interrupt masking from ColdFire pit timer m68knommu: remove unecessary interrupt level setting in ColdFire 520x setup ...
2009-09-17Merge branch 'hwmon-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging * 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging: hwmon: (lm85) Don't bind to Winbond/Nuvoton WPCD377I hwmon: (pcf8591) Documentation clean-ups hwmon: Clearly mark ACPI drivers as such hwmon: Use resource_size hwmon: Include <linux/io.h> instead of <asm/io.h> hwmon: (tmp421) Add documentation hwmon: Add driver for Texas Instruments TMP421/422/423 sensor chips hwmon-vid: Ignore 6th VID pin of AMD family 0Fh processors hwmon: (asus_atk0110) Add maintainer information hwmon: (abituguru3) Support multiple DMI strings per chip ID
2009-09-17Merge branch 'for-upstream' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/dvrabel/uwb * 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/dvrabel/uwb: uwb: avoid radio controller reset loops uwb: stop uwbd thread if rc->start() fails uwb: handle radio controller events with out-of-range IDs correctly
2009-09-16Fix ia64 build breakage in head.SAnirban Sinha
The "cleanup console_print()" patch in commit 353f6dd2dec992ddd34620a94b051b0f76227379 introduced an "extern" declaration into an assembly language file. Remove it. Signed-off-by: Anirban Sinha <asinha@zeugmasystems.com> Signed-off-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-16Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6: Driver Core: devtmpfs - kernel-maintained tmpfs-based /dev debugfs: Modify default debugfs directory for debugging pktcdvd. debugfs: Modified default dir of debugfs for debugging UHCI. debugfs: Change debugfs directory of IWMC3200 debugfs: Change debuhgfs directory of trace-events-sample.h debugfs: Fix mount directory of debugfs by default in events.txt hpilo: add poll f_op hpilo: add interrupt handler hpilo: staging for interrupt handling driver core: platform_device_add_data(): use kmemdup() Driver core: Add support for compatibility classes uio: add generic driver for PCI 2.3 devices driver-core: move dma-coherent.c from kernel to driver/base mem_class: fix bug mem_class: use minor as index instead of searching the array driver model: constify attribute groups UIO: remove 'default n' from Kconfig Driver core: Add accessor for device platform data Driver core: move dev_get/set_drvdata to drivers/base/dd.c Driver core: add new device to bus's list before probing
2009-09-16Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6: (641 commits) Staging: remove sxg driver Staging: remove heci driver Staging: remove at76_usb wireless driver. Staging: rspiusb: remove the driver Staging: meilhaus: remove the drivers Staging: remove me4000 driver. Staging: line6: ffzb returns an unsigned integer Staging: line6: pod.c: style cleanups Staging: iio: introduce missing kfree Staging: dream: introduce missing kfree Staging: comedi: addi-data: NULL dereference of amcc in v_pci_card_list_init() Staging: vt665x: fix built-in compiling Staging: rt3090: enable NATIVE_WPA_SUPPLICANT_SUPPORT option Staging: rt3090: port changes in WPA_MIX_PAIR_CIPHER to rt3090 Staging: rt3090: rename device from raX to wlanX Staging: rt3090: remove possible conflict with rt2860 Staging: rt2860/rt2870/rt3070/rt3090: fix compiler warning on x86_64 Staging: rt2860: add new device ids Staging: rt3090: add device id 1462:891a Staging: asus_oled: Cleaned up checkpatch issues. ...
2009-09-16Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pcmcia-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pcmcia-2.6: pcmcia: document return value of pcmcia_loop_config pcmcia: dtl1_cs: fix pcmcia_loop_config logic pcmcia: drop non-existant includes pcmcia: disable prefetch/burst for OZ6933 pcmcia: fix incorrect argument order to list_add_tail() pcmcia: drivers/pcmcia/pcmcia_resource.c: Remove unnecessary semicolons pcmcia: Use phys_addr_t for physical addresses pcmcia: drivers/pcmcia: Make static
2009-09-16Merge branch 'linux-next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 * 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: (75 commits) PCI hotplug: clean up acpi_run_hpp() PCI hotplug: acpiphp: use generic pci_configure_slot() PCI hotplug: shpchp: use generic pci_configure_slot() PCI hotplug: pciehp: use generic pci_configure_slot() PCI hotplug: add pci_configure_slot() PCI hotplug: clean up acpi_get_hp_params_from_firmware() interface PCI hotplug: acpiphp: don't cache hotplug_params in acpiphp_bridge PCI hotplug: acpiphp: remove superfluous _HPP/_HPX evaluation PCI: Clear saved_state after the state has been restored PCI PM: Return error codes from pci_pm_resume() PCI: use dev_printk in quirk messages PCI / PCIe portdrv: Fix pcie_portdrv_slot_reset() PCI Hotplug: convert acpi_pci_detect_ejectable() to take an acpi_handle PCI Hotplug: acpiphp: find bridges the easy way PCI: pcie portdrv: remove unused variable PCI / ACPI PM: Propagate wake-up enable for devices w/o ACPI support ACPI PM: Replace wakeup.prepared with reference counter PCI PM: Introduce device flag wakeup_prepared PCI / ACPI PM: Rework some debug messages PCI PM: Simplify PCI wake-up code ... Fixed up conflict in arch/powerpc/kernel/pci_64.c due to OF device tree scanning having been moved and merged for the 32- and 64-bit cases. The 'needs_freset' initialization added in 6e19314cc ("PCI/powerpc: support PCIe fundamental reset") is now in arch/powerpc/kernel/pci_of_scan.c.
2009-09-16Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds
* 'for-linus' of git://git.kernel.dk/linux-2.6-block: block: fix linkage problem with blk_iopoll and !CONFIG_BLOCK
2009-09-16Merge branch 'writeback' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds
* 'writeback' of git://git.kernel.dk/linux-2.6-block: writeback: fix possible bdi writeback refcounting problem writeback: Fix bdi use after free in wb_work_complete() writeback: improve scalability of bdi writeback work queues writeback: remove smp_mb(), it's not needed with list_add_tail_rcu() writeback: use schedule_timeout_interruptible() writeback: add comments to bdi_work structure writeback: splice dirty inode entries to default bdi on bdi_destroy() writeback: separate starting of sync vs opportunistic writeback writeback: inline allocation failure handling in bdi_alloc_queue_work() writeback: use RCU to protect bdi_list writeback: only use bdi_writeback_all() for WB_SYNC_NONE writeout fs: Assign bdi in super_block writeback: make wb_writeback() take an argument structure writeback: merely wakeup flusher thread if work allocation fails for WB_SYNC_NONE writeback: get rid of wbc->for_writepages fs: remove bdev->bd_inode_backing_dev_info
2009-09-16writeback: fix possible bdi writeback refcounting problemNick Piggin
wb_clear_pending AFAIKS should not be called after the item has been put on the list, except by the worker threads. It could lead to the situation where the refcount is decremented below 0 and cause lots of problems. Presumably the !wb_has_dirty_io case is not a common one, so it can be discovered when the thread wakes up to check? Also add a comment in bdi_work_clear. Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-09-16writeback: Fix bdi use after free in wb_work_complete()Nick Piggin
By the time bdi_work_on_stack gets evaluated again in bdi_work_free, it can already have been deallocated and used for something else in the !on stack case, giving a false positive in this test and causing corruption. Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-09-16writeback: improve scalability of bdi writeback work queuesNick Piggin
If you're going to do an atomic RMW on each list entry, there's not much point in all the RCU complexities of the list walking. This is only going to help the multi-thread case I guess, but it doesn't hurt to do now. Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-09-16writeback: remove smp_mb(), it's not needed with list_add_tail_rcu()Nick Piggin
list_add_tail_rcu contains required barriers. Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-09-16writeback: use schedule_timeout_interruptible()Jens Axboe
Gets rid of a manual set_current_state(). Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-09-16writeback: add comments to bdi_work structureJens Axboe
And document its retriever, get_next_work_item(). Acked-by: Jan Kara <jack@suse.cz> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-09-16writeback: splice dirty inode entries to default bdi on bdi_destroy()Jens Axboe
We cannot safely ensure that the inodes are all gone at this point in time, and we must not destroy this bdi with inodes having off it. So just splice our entries to the default bdi since that one will always persist. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-09-16writeback: separate starting of sync vs opportunistic writebackJens Axboe
bdi_start_writeback() is currently split into two paths, one for WB_SYNC_NONE and one for WB_SYNC_ALL. Add bdi_sync_writeback() for WB_SYNC_ALL writeback and let bdi_start_writeback() handle only WB_SYNC_NONE. Push down the writeback_control allocation and only accept the parameters that make sense for each function. This cleans up the API considerably. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-09-16writeback: inline allocation failure handling in bdi_alloc_queue_work()Jens Axboe
This gets rid of work == NULL in bdi_queue_work() and puts the OOM handling where it belongs. Acked-by: Jan Kara <jack@suse.cz> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-09-16writeback: use RCU to protect bdi_listJens Axboe
Now that bdi_writeback_all() no longer handles integrity writeback, it doesn't have to block anymore. This means that we can switch bdi_list reader side protection to RCU. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-09-16writeback: only use bdi_writeback_all() for WB_SYNC_NONE writeoutJens Axboe
Data integrity writeback must use bdi_start_writeback() and ensure that wbc->sb and wbc->bdi are set. Acked-by: Jan Kara <jack@suse.cz> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-09-16fs: Assign bdi in super_blockJens Axboe
We do this automatically in get_sb_bdev() from the set_bdev_super() callback. Filesystems that have their own private backing_dev_info must assign that in ->fill_super(). Note that ->s_bdi assignment is required for proper writeback! Acked-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-09-16writeback: make wb_writeback() take an argument structureJens Axboe
We need to be able to pass in range_cyclic as well, so instead of growing yet another argument, split the arguments into a struct wb_writeback_args structure that we can use internally. Also makes it easier to just copy all members to an on-stack struct, since we can't access work after clearing the pending bit. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-09-16writeback: merely wakeup flusher thread if work allocation fails for ↵Christoph Hellwig
WB_SYNC_NONE Since it's an opportunistic writeback and not a data integrity action, don't punt to blocking writeback. Just wakeup the thread and it will flush old data. Acked-by: Jan Kara <jack@suse.cz> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-09-16writeback: get rid of wbc->for_writepagesJens Axboe
It's only set, it's never checked. Kill it. Acked-by: Jan Kara <jack@suse.cz> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-09-16fs: remove bdev->bd_inode_backing_dev_infoJens Axboe
It has been unused since it was introduced in: commit 520808bf20e90fdbdb320264ba7dd5cf9d47dcac Author: Andrew Morton <akpm@osdl.org> Date: Fri May 21 00:46:17 2004 -0700 [PATCH] block device layer: separate backing_dev_info infrastructure So lets just kill it. Acked-by: Jan Kara <jack@suse.cz> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-09-16m68knommu: Make PAGE_SIZE available to assembly files.Tim Abbott
Signed-off-by: Tim Abbott <tabbott@ksplice.com> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68knommu: fix ColdFire definition of CLOCK_TICK_RATEPhilippe De Muyter
The good definition of CLOCK_TICK_RATE for coldfires has been lost in the merge of m68k and m68knommu include files. Restore it. Culprit : commit ebafc17468d58bd903c886175ca84a4edc69ae1d Signed-off-by: Philippe De Muyter <phdm@macqel.be> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68knommu: set multi-function pins for ethernet when enabledGreg Ungerer
The ethernet pins on the 532x ColdFire CPU family are multi-function pins. We need to enable them as ethernet pins when using the FEC ethernet driver. Bug report, and older patch, from timothee@manaud.net. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68knommu: remove special interrupt handling code for ne2k supportGreg Ungerer
The improved interrupt support for ColdFire CPU cores means we no longer need all the interrupt setup and ack hacks to support the NE2000 driver on ColdFire platforms. Remove all that code. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68knommu: relax IO_SPACE_LIMIT settingGreg Ungerer
There is really no limit to the addresses which can be used by the in*() and out*() family of IO space calls in m68k non-MMU environments. So don't impose an artificial address limit, allow the full 32bit range. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68knommu: remove ColdFire direct interrupt register accessGreg Ungerer
Now that the ColdFire 5272 has full interrupt controller functionality we can remove all the interrupt masking and acking code from the FEC ethernet driver. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68knommu: create a speciailized ColdFire 5272 interrupt controllerGreg Ungerer
The ColdFire 5272 CPU has a very different interrupt controller than any of the other ColdFire parts. It needs its own controller code to correctly setup and ack interrupts. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68knommu: add support for second interrupt controller of ColdFire 5249Greg Ungerer
The ColdFire 5249 CPU has a second (compleletly different) interrupt controller. It is the only ColdFire CPU that has this type. It controlls GPIO interrupts amongst a number of interrupts from other internal peripherals. Add support code for it. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68knommu: clean up old ColdFire timer irq setupGreg Ungerer
The recent changes to the old ColdFire interrupt controller code means we no longer need to manually unmask the timer interrupt. That is now done in the interrupt controller code proper. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68knommu: map ColdFire interrupts to correct masking bitsGreg Ungerer
The older simple ColdFire interrupt controller has no one-to-one mapping of interrupt numbers to bits in the interrupt mask register. Create a mapping array that each ColdFire CPU type can populate with its available interrupts and the bits that each use in the interrupt mask register. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68knommu: clean up ColdFire 532x CPU timer setupGreg Ungerer
The newer ColdFire 532x family of CPU's uses the old timer, but has a newer interrupt controller. It doesn't need the special timer setup that was required when using the older interrupt controller. Remove the dead timer irq and level setting code, and define the hard coded vector. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68knommu: simplify ColdFire "timers" clock initializationGreg Ungerer
The ColdFire "timers" clock setup can be simplified. There is really no need for the flexible per-platform setup code. The clock interrupt can be hard defined per CPU platform (in CPU include files). This makes the actual timer code simpler. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68knommu: support code to mask external interrupts on old ColdFire CPU'sGreg Ungerer
The external interrupts used on the old Coldfire parts with the old style interrupt controller can be properly mask/unmasked in the interrupt handling code. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68knommu: merge old ColdFire interrupt controller masking macrosGreg Ungerer
Currently the code that supports setting the old style ColdFire interrupt controller mask registers is macros in the include files of each of the CPU types. Merge all these into a set of real masking functions in the old Coldfire interrupt controller code proper. All the macros are basically the same (excepting a register size difference on really early parts). Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68knommu: remove duplicate ColdFire mcf_autovector() codeGreg Ungerer
Each of the ColdFire CPU platform code that used the old style interrupt controller had its own copy of the mcf_autovector() function. They are all the same, remove them all and create a single function in the common coldfire/intc.c code. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68knommu: move ColdFire INTC definitions to new include fileGreg Ungerer
Create an mcfintc.h include file with the definitions for the old style ColdFire interrupt controller. They are only needed on CPU's that use this old controller - so isolate them on their own. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68knommu: mask off all interrupts in ColdFire intc-simr controllerGreg Ungerer
The ColdFire intc-simr interrupt controller should mask off all interrupt sources at init time. Doing it here instead of separately in each platform setup. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68knommu: remove timer device interrupt setup for ColdFire 532xGreg Ungerer
With fully implemented interrupt controller code we don't need to do the custom interrupt setup for the timer device of the ColdFire 532x. Remove that code. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68knommu: remove interrupt masking from ColdFire pit timerGreg Ungerer
With proper interrupt controller code in place there is no need for devices like the timers to have custom interrupt masking code. Remove it (and the defines that go along with it). Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68knommu: remove unecessary interrupt level setting in ColdFire 520x setupGreg Ungerer
The new code for the interrupt controller in the ColdFire 520x takes care of all the interrupt controller setup. No manual config of the level registers (ICR) is required by the platform device setup code. So remove it. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68knommu: remove the common interrupt controller structureGreg Ungerer
Each different m68knommu CPU interrupt controller type has its own interrupt controller data structures now. Remove the old, and now not used, common irq structs and init code from here. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68knommu: complete interrupt controller code for the 68360 CPUGreg Ungerer
Define the interrupt controller structures along with the interrupt controller code for the 68360 CPU. This brings the interrupt setup and control into one place for this CPU family. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68knommu: complete interrupt controller code for the 68328 CPU'sGreg Ungerer
Define the interrupt controller structures along with the interrupt controller code for the 68328 CPU family. This brings the interrupt setup and control into one place for this CPU family. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68knommu: use common interrupt controller code for older ColdFire CPU'sGreg Ungerer
The old ColdFire CPU's (5206, 5307, 5407, 5249 etc) use a simple interrupt controller. Use common setup code for them. This addition means that all ColdFire CPU's now have some specific type of interrupt controller code. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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