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2009-01-02ide: small ide_register_port() cleanupBartlomiej Zolnierkiewicz
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-01-02ide: remove chipset type fixup from ide_host_register()Bartlomiej Zolnierkiewicz
* Set chipset type explicitly in tx4938ide and tx4939ide host drivers (all other host drivers were updated already). * Remove no longer used chipset type fixup from ide_host_register(). Acked-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-01-02tx493x: fix indentationBartlomiej Zolnierkiewicz
Trivial CodingStyle fixup for tx4938ide and tx4939ide drivers. Acked-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Acked-by: Sergei Shtyltov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-01-02Merge branch 'master' of ↵David Vrabel
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-upstream Conflicts: drivers/uwb/wlp/eda.c
2008-12-31Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (34 commits) nfsd race fixes: jfs nfsd race fixes: reiserfs nfsd race fixes: ext4 nfsd race fixes: ext3 nfsd race fixes: ext2 nfsd/create race fixes, infrastructure filesystem notification: create fs/notify to contain all fs notification fs/block_dev.c: __read_mostly improvement and sb_is_blkdev_sb utilization kill ->dir_notify() filp_cachep can be static in fs/file_table.c fix f_count description in Documentation/filesystems/files.txt make INIT_FS use the __RW_LOCK_UNLOCKED initialization take init_fs to saner place kill vfs_permission pass a struct path * to may_open kill walk_init_root remove incorrect comment in inode_permission expand some comments (d_path / seq_path) correct wrong function name of d_put in kernel document and source comment fix switch_names() breakage in short-to-short case ...
2009-01-01percpu: fix percpu accessors to potentially !cpu_possible() cpus: pnpbiosRusty Russell
Impact: CPU iterator bugfixes Percpu areas are only allocated for possible cpus. In general, you shouldn't access random cpu's percpu areas. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com> Acked-by: Ingo Molnar <mingo@elte.hu> Cc: Adam Belay <ambx1@neo.rr.com>
2008-12-31shrink struct dentryNick Piggin
struct dentry is one of the most critical structures in the kernel. So it's sad to see it going neglected. With CONFIG_PROFILING turned on (which is probably the common case at least for distros and kernel developers), sizeof(struct dcache) == 208 here (64-bit). This gives 19 objects per slab. I packed d_mounted into a hole, and took another 4 bytes off the inline name length to take the padding out from the end of the structure. This shinks it to 200 bytes. I could have gone the other way and increased the length to 40, but I'm aiming for a magic number, read on... I then got rid of the d_cookie pointer. This shrinks it to 192 bytes. Rant: why was this ever a good idea? The cookie system should increase its hash size or use a tree or something if lookups are a problem. Also the "fast dcookie lookups" in oprofile should be moved into the dcookie code -- how can oprofile possibly care about the dcookie_mutex? It gets dropped after get_dcookie() returns so it can't be providing any sort of protection. At 192 bytes, 21 objects fit into a 4K page, saving about 3MB on my system with ~140 000 entries allocated. 192 is also a multiple of 64, so we get nice cacheline alignment on 64 and 32 byte line systems -- any given dentry will now require 3 cachelines to touch all fields wheras previously it would require 4. I know the inline name size was chosen quite carefully, however with the reduction in cacheline footprint, it should actually be just about as fast to do a name lookup for a 36 character name as it was before the patch (and faster for other sizes). The memory footprint savings for names which are <= 32 or > 36 bytes long should more than make up for the memory cost for 33-36 byte names. Performance is a feature... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2008-12-31Merge branch 'master' of ../mmcPierre Ossman
2008-12-31mmc: warn about voltage mismatchesDavid Brownell
Get rid of a silent failure mode when the MMC/SD host doesn't support the voltages needed to operate a given card, by adding a warning. A 3.3V host and a 3.0V card, for example, no longer need to mysteriously just not work at all. This isn't the best diagnostic; ideally it would also tell what voltage the card and host support (and not just by dumping the bitmasks). Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2008-12-31mmc_spi: Add support for OpenFirmware bindingsAnton Vorontsov
The support is implemented via platform data accessors, new module (of_mmc_spi) will be created automatically when the driver compiles on OpenFirmware platforms. Link-time dependency will load the module automatically. Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2008-12-31pxamci: fix dma_unmap_sg lengthVernon Sauder
dma_unmap_sg should be given the same length as dma_map_sg, not the value returned from dma_map_sg Signed-off-by: Vernon Sauder <vsauder@inhand.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2008-12-31mmc_block: ensure all sectors that do not have errors are readAdrian Hunter
If a card encounters an ECC error while reading a sector it will timeout. Instead of reporting the entire I/O request as having an error, redo the I/O one sector at a time so that all readable sectors are provided to the upper layers. Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2008-12-31drivers/mmc: Move a dereference below a NULL testJulia Lawall
In each case, if the NULL test is necessary, then the dereference should be moved below the NULL test. The semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @@ type T; expression E; identifier i,fld; statement S; @@ - T i = E->fld; + T i; ... when != E when != i if (E == NULL) S + i = E->fld; // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2008-12-31sdhci: handle built-in sdhci with modular leds classPierre Ossman
As reported by Randy Dunlap, having sdhci built-in and LEDs class as a module resulted in undefined symbols. Change the code to handle that case properly (by not having LEDs class support in sdhci). Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2008-12-31mmc: balanc pci_iomap with pci_iounmapRoel Kluin
balance pci_iomap with pci_iounmap, not iounmap Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2008-12-31mmc_block: print better error messagesAdrian Hunter
Add command response and card status to error messages. Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2008-12-31mmc: Add mmc_vddrange_to_ocrmask() helper functionAnton Vorontsov
This function sets the OCR mask bits according to provided voltage ranges. Will be used by the mmc_spi OpenFirmware bindings. Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2008-12-31ricoh_mmc: Handle newer models of Ricoh controllersphilipl@overt.org
The latest generation of laptops are shipping with a newer model of Ricoh chip where the firewire controller is the primary PCI function but a cardbus controller is also present. The existing code assumes that if a cardbus controller is, present, then it must be the one to manipulate - but the real rule is that you manipulate PCI function 0. This patch adds an additional constraint that the target must be function 0. Signed-off-by: Philip Langdale <philipl@overt.org> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2008-12-31mmc: Add 8-bit bus width supportJarkko Lavinen
Signed-off-by: Jarkko Lavinen <jarkko.lavinen@nokia.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2008-12-31sdhci: activate led support also when moduleÉric Piel
CONFIG_LEDS_CLASS is defined only if led-class is built-in, otherwise when it is a module the option is called CONFIG_LEDS_CLASS_MODULE. Led support should also be activated in this case. Signed-off-by: Eric Piel <eric.piel@tremplin-utc.net> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2008-12-31mmc: trivial annotation of 'blocks'Harvey Harrison
sg_init_one is reading a be32, annotate as such. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2008-12-31pci: use pci_ioremap_bar() in drivers/mmcArjan van de Ven
Use the new pci_ioremap_bar() function in drivers/mmc. pci_ioremap_bar() just takes a pci device and a bar number, with the goal of making it really hard to get wrong, while also having a central place to stick sanity checks. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2008-12-31Merge branch 'irq-fixes-for-linus-4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'irq-fixes-for-linus-4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: sparseirq: move __weak symbols into separate compilation unit sparseirq: work around __weak alias bug sparseirq: fix hang with !SPARSE_IRQ sparseirq: set lock_class for legacy irq when sparse_irq is selected sparseirq: work around compiler optimizing away __weak functions sparseirq: fix desc->lock init sparseirq: do not printk when migrating IRQ descriptors sparseirq: remove duplicated arch_early_irq_init() irq: simplify for_each_irq_desc() usage proc: remove ifdef CONFIG_SPARSE_IRQ from stat.c irq: for_each_irq_desc() move to irqnr.h hrtimer: remove #include <linux/irq.h>
2008-12-31[WATCHDOG] Add support for the WM8350 watchdogMark Brown
This driver implements support for the watchdog functionality provided by the Wolfson Microelectronics WM8350, a multi-function audio and power management subsystem intended for use in embedded systems. It is based on a driver originally written by Graeme Gregory, though it has been extensively modified since then. Use of a GPIO to kick the watchdog is not yet supported. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2008-12-31[WATCHDOG] Add SMSC SCH311x Watchdog Timer.Wim Van Sebroeck
Add a watchdog driver for the hardware watchdog timer on the SMSC SCH3112, SCH3114 and SCH3116 Super IO chipset. Tested-by: Marco Chiappero <marco@absence.it> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2008-12-31[WATCHDOG] ib700wdt - add timeout parameterWim Van Sebroeck
Add the timeout module parameter to ib700wdt.c Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2008-12-31[PATCH] improve idle cputime accountingMartin Schwidefsky
Distinguish the cputime of the idle process where idle is actually using cpu cycles from the cputime where idle is sleeping on an enabled wait psw. The former is accounted as system time, the later as idle time. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-12-31Merge branch 'master' of ↵Rusty Russell
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 Conflicts: arch/x86/kernel/io_apic.c
2008-12-31ACPICA: FADT: Update error msgs for consistencyBob Moore
Update all messages so they look consistent. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-12-31ACPICA: FADT: set acpi_gbl_use_default_register_widths to TRUE by defaultrobert.moore@intel.com
This returns the FADT support to the original behavior, which is to use default register widths. However, now check each register definition and report a warning if it differs from the default. This is a first step to moving away from the default widths, rather than outright believing the widths in all FADTs for all machines, considered rather dangerous until more data is obtained. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-12-31ACPICA: FADT parsing changes and fixesBob Moore
1) Update the register lengths for the PM1 event blocks. The length must be divided by two in order to use these to access the status registers. 2) Add run-time option to use default register lengths to override a faulty FADT. 3) Add warning message if any of the X64 address structures contain a length that does not match the legacy length earlier in the FADT. 4) Move all FADT warning messages into the ValidateFadt function. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-12-31ACPICA: Restructure includes into public/privateBob Moore
acpi.h now includes only the "public" acpica headers. All other acpica headers are "private" and should not be included by acpica users. One new file, accommon.h is used to include the commonly used private headers for acpica code generation. Future plans are to move all private headers to a new subdirectory. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-12-31ACPI: remove private acpica headers from driver filesLin Ming
External driver files should not include any private acpica headers. Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-12-31ACPI: reboot.c: use new acpi_reset interfaceLin Ming
Use new acpi_reset interface to write to reset register Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-12-31ACPICA: New: acpi_reset interface - write to reset registerBob Moore
Uses the FADT-defined reset register and reset value. Checks the FADT flags for the reset register supported bit. Supports reset register in memory or I/O space, but not in PCI config space since the host has the information to do it. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-12-31ACPICA: Move all public H/W interfaces to new hwxfaceBob Moore
Move public interfaces from hwregs.c to new file, hwxface.c - similar to the structure of the other ACPICA components. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-12-31ACPICA: New: acpi_read and acpi_write public interfacesBob Moore
Changed the acpi_hw_low_level_read and acpi_hw_low_level_write functions to the public acpi_read and acpi_write to allow direct access to ACPI registers. Removed the "width" parameter since the width can be obtained from the input GAS structure. Updated the FADT initialization to setup the GAS structures with the proper widths. Some widths are still hardcoded because many FADTs have incorrect register lengths. Signed-off-by: Bob Moore <robert.moore@intel.com Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-12-31ACPI: panasonic-laptop.c: remove ACPI_FUNCTION_TRACELin Ming
ACPI_FUNCTION_TRACE is an internal acpica function. remove ACPI_FUNCTION_TRACE from driver file Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-12-31ACPI: power.c: call acpi_get_name to get node nameLin Ming
acpi_ut_get_node_name is an internal acpica function. use acpi_get_name to get node ascii name Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-12-31ACPI: sony-laptop.c: call acpi_get_object_info to get node infoLin Ming
Avoid using internal acpica structures acpi_namespace_node and acpi_operand_object Call acpi_get_object_info to get node ascii name and method arg count Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-12-31ACPI: main.c: use new public GPE group enable/disable interfacesLin Ming
Avoid using internal functions: acpi_hw_disable_all_gpes and acpi_hw_enable_all_runtime_gpes Use new public GPE group enable/disable interfaces: acpi_disable_all_gpes and acpi_enable_all_runtime_gpes Also avoid using internal symbol ACPI_TABLE_INDEX_FACS, call acpi_get_table. Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-12-31ACPICA: New: Public GPE group enable/disable interfacesBob Moore
Added acpi_disable_all_gpes and acpi_enable_all_runtime_gpes for public use. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-12-31ACPICA: New: acpi_get_gpe_device interfaceBob Moore
This function maps an input GPE index to a GPE block device. Also Added acpi_current_gpe_count to track the current number of GPEs that are being managed by the ACPICA core (both FADT-based GPEs and the GPEs contained in GPE block devices.) Modify drivers/acpi/system.c to use these 2 new interfaces Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-12-31ACPI: wakeup.c: remove ACPI_FUNCTION_TRACELin Ming
ACPI_FUNCTION_TRACE is an internal acpica function. remove ACPI_FUNCTION_TRACE Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-12-31ACPI: proc.c: remove ACPI_FUNCTION_TRACELin Ming
ACPI_FUNCTION_TRACE and return_VALUE are internal acpica functions. remove ACPI_FUNCTION_TRACE replace return_VALUE with return Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-12-31ACPI: ec.c: call acpi_get_name to get node nameLin Ming
acpi_namespace_node is internal struct, it should not be used outside of ACPICA call acpi_get_name to get node ascii name Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-12-31ACPI: osl.c: replace return_ACPI_STATUS with returnLin Ming
return_ACPI_STATUS is an internal acpica function, replace it with return. acpi_gbl_permanent_mmap moved from acglobal.h to acpixf.h for external use Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-12-30video: always update the brightness when poking "brightness"Zhang Rui
always update props.brightness no matter the backlight is changed via procfs, hotkeys or sysfs. Sighed-off-by: Zhang Rui <rui.zhang@intel.com> Acked-by: Matthew Garrett <mjg59@srcf.ucam.org> Signed-off-by: Len Brown <len.brown@intel.com>
2008-12-30ACPI: ec.c, pci_link.c, video_detec.c: staticRoel Kluin
Sparse asked whether these could be static. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-12-30ACPI: simplify buffer management for acpi_pci_bind() etc.Len Brown
use ACPI_ALLOCATE_BUFFER to remove the allocations within acpi_pci_bind(), acpi_pci_unbind() and acpi_pci_bind_root(). While there, delete some unnecessary param inits from those routines. Delete concept of ACPI_PATHNAME_MAX, since this was the last use. Signed-off-by: Len Brown <len.brown@intel.com>