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* ide: move read_sff_dma_status() method to 'struct ide_dma_ops'Sergei Shtylyov2009-01-061-2/+6
| | | | | | | | | | | | Move apparently misplaced read_sff_dma_status() method from 'struct ide_tp_ops' to 'struct ide_dma_ops', renaming it to dma_sff_read_status() and making only required for SFF-8038i compatible IDE controller drivers (greatly cutting down the number of initializers) as its only user (outside ide-dma-sff.c and such drivers) appears to be ide_pci_check_simplex() which is only called for such controllers... Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* Resurrect IT8172 IDE controller driverShane McDonald2009-01-061-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | Support for the IT8172 IDE controller was removed from the kernel sometime after 2.6.18. Support for the only boards that used the IT8172 was removed from the kernel after 2.6.18, as they had never compiled since 2.6.0. However, there are a couple of platforms that use this chip: the PMC-Sierra Xiao Hu thin-client computer, which is no longer in production, and the Linksys NSS4000 Network Attached Storage box, which is based on the Xiao Hu board. I am attempting to add support for the Xiao Hu to the kernel, and this IT8172 IDE controller is the first bit of code in this effort. This patch resurrects the IT8172 IDE controller code. I began with the 2.6.18 version of the it8172.c file, and have moved it forward so that it works with the latest version of the kernel. I have run this driver on a PMC-Sierra Xiao Hu board with the 2.6.28 kernel, and I have had no problems with it in my configuration. The attached patch applies cleanly against 2.6.28. Signed-off-by: Shane McDonald <mcdonald.shane@gmail.com> Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Cc: alan@lxorguk.ukuu.org.uk [bart: s/HWIF(drive)/drive->hwif/] Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: remove unused ide_hwif_t.sg_mapped fieldBartlomiej Zolnierkiewicz2009-01-061-1/+0
| | | | Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: struct ide_atapi_pc - remove unused fields and update documentationBartlomiej Zolnierkiewicz2009-01-061-4/+0
| | | | Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide-cd: convert to ide-atapi facilitiesBorislav Petkov2009-01-061-0/+2
| | | | | | | | | | ... and remove no longer needed cdrom_start_packet_command and cdrom_transfer_packet_command. Tested lightly with ide-cd and ide-floppy. Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: add port and host iteratorsBartlomiej Zolnierkiewicz2009-01-061-2/+9
| | | | | | | | | | | | | | | Add ide_port_for_each_dev() / ide_host_for_each_port() iterators and update IDE code to use them. While at it: - s/unit/i/ variable in ide_port_wait_ready(), ide_probe_port(), ide_port_tune_devices(), ide_port_init_devices_data(), do_reset1(), ide_acpi_set_state() and scc_dma_end() - s/d/i/ variable in ide_proc_port_register_devices() There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: dynamic allocation of device structuresBartlomiej Zolnierkiewicz2009-01-061-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | Allocate device structures dynamically instead of having them embedded in ide_hwif_t: * Remove needless zeroing of port structure from ide_init_port_data(). * Add ide_hwif_t.devices[MAX_DRIVES] (table of pointers to the devices). * Add ide_port_{alloc,free}_devices() helpers and use them respectively in ide_{host,free}_alloc(). * Convert all users of ->drives[] to use ->devices[] instead. While at it: * Use drive->dn for the slave device check in scc_pata.c. As a nice side-effect this patch cuts ~1kB (x86-32) from the resulting code size: text data bss dec hex filename 53963 1244 237 55444 d894 drivers/ide/ide-core.o.before 52981 1244 237 54462 d4be drivers/ide/ide-core.o.after Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: remove ->error method from struct ide_driverBartlomiej Zolnierkiewicz2009-01-061-3/+0
| | | | | | | | * Remove (now superfluous) ->error method from struct ide_driver. * Unexport __ide_error() and make it static. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: remove ide_driver_t typedefBartlomiej Zolnierkiewicz2009-01-061-9/+9
| | | | | | | | While at it: - s/struct ide_driver_s/struct ide_driver/ - use to_ide_driver() macro in ide-proc.c Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: remove 'byte' typedefBartlomiej Zolnierkiewicz2009-01-061-3/+1
| | | | | | | Just use u8 instead, also s/__u8/u8/ in ide-cd.h while at it. Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: remove ide_pci_enablebit_t typedefBartlomiej Zolnierkiewicz2009-01-061-3/+4
| | | | | | | Remove needless parens while at it. Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: remove local_irq_set() macroBartlomiej Zolnierkiewicz2009-01-061-2/+0
| | | | Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: remove HWIF() macroBartlomiej Zolnierkiewicz2009-01-061-2/+0
| | | | Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: move ide_init_port_data() and friends to ide-probe.cBartlomiej Zolnierkiewicz2009-01-061-8/+1
| | | | | | | | | | | | | | | | | * Move IDE_DEFAULT_MAX_FAILURES to <linux/ide.h>. * Move ide_cfg_mtx, ide_hwif_to_major[], ide_port_init_devices_data(), ide_init_port_data(), ide_init_port_hw() and ide_unregister() to ide-probe.c from ide.c. * Make ide_unregister(), ide_init_port_data(), ide_init_port_hw() and ide_cfg_mtx static. While at it: * Remove stale ide_init_port_data() documentation and ide_lock extern. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: merge ide_hwgroup_t with ide_hwif_t (v2)Bartlomiej Zolnierkiewicz2009-01-061-31/+24
| | | | | | | | | | | | | | | | | | | * Merge ide_hwgroup_t with ide_hwif_t. * Cleanup init_irq() accordingly, then remove no longer needed ide_remove_port_from_hwgroup() and ide_ports[]. * Remove now unused HWGROUP() macro. While at it: * ide_dump_ata_error() fixups v2: * Fix ->quirk_list check in do_ide_request() (s/hwif->cur_dev/prev_port->cur_dev). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: use lock bitops for ports serialization (v2)Bartlomiej Zolnierkiewicz2009-01-061-29/+6
| | | | | | | | | | | | | | | | | | | | | | | * Add ->host_busy field to struct ide_host and use it's first bit together with lock bitops to provide new ports serialization method. * Convert core IDE code to use new ide_[un]lock_host() helpers. This removes the need for taking hwgroup->lock if host is already busy on serialized hosts and makes it possible to merge ide_hwgroup_t into ide_hwif_t (done in the later patch). * Remove no longer needed ide_hwgroup_t.busy and ide_[un]lock_hwgroup(). * Update do_ide_request() documentation. v2: * ide_release_lock() should be called inside IDE_HFLAG_SERIALIZE check. * Add ide_hwif_t.busy flag and ide_[un]lock_port() for serializing devices on a port. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: remove hwgroup->hwif and {drive,hwif}->nextBartlomiej Zolnierkiewicz2009-01-061-10/+3
| | | | | | | | | | | | | | | | | | | | | * Add 'int port_count' field to ide_hwgroup_t to keep the track of the number of ports in the hwgroup. Then update init_irq() and ide_remove_port_from_hwgroup() to use it. * Remove no longer needed hwgroup->hwif, {drive,hwif}->next, ide_add_drive_to_hwgroup() and ide_remove_drive_from_hwgroup() (hwgroup->drive now only denotes the currently active device in the hwgroup). * Update locking documentation in <linux/ide.h>. While at it: * Rename ->drive field in ide_hwgroup_t to ->cur_dev. * Use __func__ in ide_timer_expiry(). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: use per-port IRQ handlersBartlomiej Zolnierkiewicz2009-01-061-2/+2
| | | | | | | | | Use hwif instead of hwgroup as {request,free}_irq()'s cookie, teach ide_intr() to return early for non-active serialized ports, modify unexpected_intr() accordingly and then use per-port IRQ handlers instead of per-hwgroup ones. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: add ->cur_port to struct ide_host and use it for serialized hostsBartlomiej Zolnierkiewicz2009-01-061-0/+1
| | | | | | | | | * Pass 'ide_hwif_t *' instead of 'ide_hwgroup_t *' to unexpected_intr(). * Cache pointer to the port currently being serviced in ->cur_port and use it instead of hwif->hwgroup on serialized hosts. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dmLinus Torvalds2009-01-061-2/+26
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dm: dm snapshot: extend exception store functions dm snapshot: split out exception store implementations dm snapshot: rename struct exception_store dm snapshot: separate out exception store interface dm mpath: move trigger_event to system workqueue dm: add name and uuid to sysfs dm table: rework reference counting dm: support barriers on simple devices dm request: extend target interface dm request: add caches dm ioctl: allow dm_copy_name_and_uuid to return only one field dm log: ensure log bitmap fits on log device dm log: move region_size validation dm log: avoid reinitialising io_req on every operation dm: consolidate target deregistration error handling dm raid1: fix error count dm log: fix dm_io_client leak on error paths dm snapshot: change yield to msleep dm table: drop reference at unbind
| * dm: support barriers on simple devicesAndi Kleen2009-01-061-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Implement barrier support for single device DM devices This patch implements barrier support in DM for the common case of dm linear just remapping a single underlying device. In this case we can safely pass the barrier through because there can be no reordering between devices. NB. Any DM device might cease to support barriers if it gets reconfigured so code must continue to allow for a possible -EOPNOTSUPP on every barrier bio submitted. - agk Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
| * dm request: extend target interfaceKiyoshi Ueda2009-01-061-0/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds the following target interfaces for request-based dm. map_rq : for mapping a request rq_end_io : for finishing a request busy : for avoiding performance regression from bio-based dm. Target can tell dm core not to map requests now, and that may help requests in the block layer queue to be bigger by I/O merging. In bio-based dm, this behavior is done by device drivers managing the block layer queue. But in request-based dm, dm core has to do that since dm core manages the block layer queue. Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com> Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
| * dm: consolidate target deregistration error handlingMikulas Patocka2009-01-061-2/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Change dm_unregister_target to return void and use BUG() for error reporting. dm_unregister_target can only fail because of programming bug in the target driver. It can't fail because of user's behavior or disk errors. This patch changes unregister_target to return void and use BUG if someone tries to unregister non-registered target or unregister target that is in use. This patch removes code duplication (testing of error codes in all dm targets) and reports bugs in just one place, in dm_unregister_target. In some target drivers, these return codes were ignored, which could lead to a situation where bugs could be missed. Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
* | Merge branch 'for-next' of git://git.o-hand.com/linux-mfdLinus Torvalds2009-01-068-38/+256
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-next' of git://git.o-hand.com/linux-mfd: (30 commits) mfd: Fix section mismatch in da903x mfd: move drivers/i2c/chips/menelaus.c to drivers/mfd mfd: move drivers/i2c/chips/tps65010.c to drivers/mfd mfd: dm355evm msp430 driver mfd: Add missing break from wm3850-core mfd: Add WM8351 support mfd: Support configurable numbers of DCDCs and ISINKs on WM8350 mfd: Handle missing WM8350 platform data mfd: Add WM8352 support mfd: Use irq_to_desc in twl4030 code power_supply: Add Dialog DA9030 battery charger driver mfd: Dialog DA9030 battery charger MFD driver mfd: Register WM8400 codec device mfd: Pass driver_data onto child devices mfd: Fix twl4030-core.c build error mfd: twl4030 regulator bug fixes mfd: twl4030: create some regulator devices mfd: twl4030: cleanup symbols and OMAP dependency mfd: twl4030: simplified child creation code power_supply: Add battery health reporting for WM8350 ...
| * | mfd: dm355evm msp430 driverDavid Brownell2009-01-041-0/+79
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Basic MFD framework for the MSP430 microcontroller firmware used on the dm355evm board: - Provides an interface for other drivers: register read/write utilities, and register declarations. - Directly exports: * Many signals through the GPIO framework + LEDs + SW6 through gpio sysfs + NTSC/nPAL jumper through gpio sysfs + ... more could be added later, e.g. MMC signals * Child devices: + LEDs, via leds-gpio child (and default triggers) + RTC, via rtc-dm355evm child device + Buttons and IR control, via dm355evm_keys - Supports power-off system call. Use the reset button to power the board back up; the power supply LED will be on, but the MSP430 waits to re-activate the regulators. - On probe() this: * Announces firmware revision * Turns off the banked LEDs * Exports the resources noted above * Hooks the power-off support * Muxes tvp5146 -or- imager for video input Unless the new tvp514x driver (tracked for mainline) is configured, this assumes that some custom imager driver handles video-in. This completely ignores the registers reporting the output voltages on the various power supplies. Someone could add a hwmon interface if that seems useful. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
| * | mfd: Add WM8351 supportMark Brown2009-01-041-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | The WM8351 is a WM8350 variant. As well as register default changes the WM8351 has fewer voltage and current regulators than the WM8350. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
| * | mfd: Support configurable numbers of DCDCs and ISINKs on WM8350Mark Brown2009-01-041-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | Some WM8350 variants have fewer DCDCs and ISINKs. Identify these at probe and refuse to use the absent DCDCs when running on these chips. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
| * | mfd: Add WM8352 supportMark Brown2009-01-041-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | The WM8352 is a variant of the WM8350. Aside from the register defaults there are no software visible differences to the WM8350. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
| * | mfd: Dialog DA9030 battery charger MFD driverMike Rapoport2009-01-041-2/+42
| | | | | | | | | | | | | | | | | | | | | | | | This patch amends DA903x MFD driver with definitions and methods needed for battery charger driver. Signed-off-by: Mike Rapoport <mike@compulab.co.il> Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
| * | mfd: twl4030 regulator bug fixesDavid Brownell2009-01-041-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This contains two bugfixes to the initial twl4030 regulator support patch related to USB: (a) always overwrite the old list of consumers ... else the regulator handles all use the same "usb1v5" name; (b) don't set up the "usbcp" regulator, which turns out to be managed through separate controls, usually ULPI directly from the OTG controller. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
| * | mfd: twl4030: create some regulator devicesDavid Brownell2009-01-041-0/+47
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Initial code to create twl4030 voltage regulator devices, using the new regulator framework. Note that this now starts to care what name is used to declare the TWL chip: - TWL4030 is the "old" chip; newer ones have a bigger variety of VAUX2 voltages. - TWL5030 is the core "new" chip; TPS65950 is its catalog version. - The TPS65930 and TPS65920 are cost-reduced catalog versions of TWL5030 parts ... fewer regulators, no battery charger, etc. Board-specific regulator configuration should be provided, listing which regulators are used and their constraints (e.g. 1.8V only). Code that could ("should"?) leverage the regulator stuff includes TWL4030 USB transceiver support and MMC glue, LCD support for the 3430SDP and Labrador boards, and S-Video output. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
| * | mfd: twl4030: cleanup symbols and OMAP dependencyDavid Brownell2009-01-041-31/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Finish removing dependency of TWL driver stack on platform-specific IRQ definitions ... and remove the build dependency on OMAP. This lets the TWL4030 code be included in test builds for most platforms, and will make it easier for non-OMAP folk to update most of this code for new APIs etc. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
| * | power_supply: Add battery health reporting for WM8350Mark Brown2009-01-041-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Implement support for reporting battery health in the WM8350 battery interface. Since we are now able to report this via the classs remove the diagnostics from the interrupt handler. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Anton Vorontsov <cbouatmailru@gmail.com> Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
| * | power_supply: Add cold to the POWER_SUPPLY_HEALTH report valuesMark Brown2009-01-041-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | Some systems are able to report problems with batteries being under temperature. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Anton Vorontsov <cbouatmailru@gmail.com> Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
| * | mfd: Refactor WM8350 chip identificationMark Brown2009-01-041-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since the WM8350 driver was originally written the semantics for the identification registers of the chip have been clarified, allowing us to do an exact match on all the fields. This avoids mistakenly running on unsupported hardware. Also change to using the datasheet names more consistently for legibility and fix a printk() that should be dev_err(). Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
| * | mfd: Switch WM8350 revision detection to a feature based modelMark Brown2009-01-042-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | Rather than check for chip revisions in the WM8350 drivers have the core code set flags for relevant differences. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
| * | power_supply: Add support for WM8350 PMUMark Brown2009-01-042-1/+48
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds support for the PMU provided by the WM8350 which implements battery, line and USB supplies including a battery charger. The hardware functions largely autonomously, with minimal software control required to initiate fast charging. Support for configuration of the USB supply is not yet implemented. This means that the hardware will remain in the mode configured at startup, by default limiting the current drawn from USB to 100mA. This driver was originally written by Liam Girdwood with subsequent updates for submission by Mark Brown. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Anton Vorontsov <cbouatmailru@gmail.com> Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
| * | mfd: allow reading entire register banks on twl4030David Brownell2009-01-041-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | Minor change to the TWL4030 utility interface: support reads of all 256 bytes in each register bank (vs just 255). This can help when debugging, but is otherwise a NOP. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
| * | mfd: Add AUXADC support for WM8350Mark Brown2009-01-042-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | The auxiliary ADC in the WM8350 is shared between several subdevices so access to it needs to be arbitrated by the core driver. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
| * | mfd: Add WM8350 revision H supportMark Brown2009-01-041-0/+1
| | | | | | | | | | | | | | | | | | | | | No other software changes are required. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
* | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linusLinus Torvalds2009-01-062-0/+25
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: module: convert to stop_machine_create/destroy. stop_machine: introduce stop_machine_create/destroy. parisc: fix module loading failure of large kernel modules module: fix module loading failure of large kernel modules for parisc module: fix warning of unused function when !CONFIG_PROC_FS kernel/module.c: compare symbol values when marking symbols as exported in /proc/kallsyms. remove CONFIG_KMOD
| * | | stop_machine: introduce stop_machine_create/destroy.Heiko Carstens2009-01-041-0/+22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Introduce stop_machine_create/destroy. With this interface subsystems that need a non-failing stop_machine environment can create the stop_machine machine threads before actually calling stop_machine. When the threads aren't needed anymore they can be killed with stop_machine_destroy again. When stop_machine gets called and the threads aren't present they will be created and destroyed automatically. This restores the old behaviour of stop_machine. This patch also converts cpu hotplug to the new interface since it is special: cpu_down calls __stop_machine instead of stop_machine. However the kstop threads will only be created when stop_machine gets called. Changing the code so that the threads would be created automatically on __stop_machine is currently not possible: when __stop_machine gets called we hold cpu_add_remove_lock, which is the same lock that create_rt_workqueue would take. So the workqueue needs to be created before the cpu hotplug code locks cpu_add_remove_lock. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| * | | module: fix module loading failure of large kernel modules for pariscHelge Deller2009-01-041-0/+3
| |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When creating the final layout of a kernel module in memory, allow the module loader to reserve some additional memory in front of a given section. This is currently only needed for the parisc port which needs to put the stub entries there to fulfill the 17/22bit PCREL relocations with large kernel modules like xfs. Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (renamed fn)
* | | Merge branch 'core-fixes-for-linus' of ↵Linus Torvalds2009-01-061-0/+8
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: swiotlb: Don't include linux/swiotlb.h twice in lib/swiotlb.c intel-iommu: fix build error with INTR_REMAP=y and DMAR=n swiotlb: add missing __init annotations
| * | | intel-iommu: fix build error with INTR_REMAP=y and DMAR=nIngo Molnar2009-01-041-0/+8
| |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | dmar.o can be built in the CONFIG_INTR_REMAP=y case but iommu_calculate_agaw() is only available if VT-d is built as well. So create an inline version of iommu_calculate_agaw() for the !CONFIG_DMAR case. The iommu->agaw value wont be used in this case, but the code is cleaner (has less #ifdefs) if we have it around unconditionally. Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | | Merge branch 'for-linus' of ↵Linus Torvalds2009-01-062-9/+9
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (22 commits) HID: fix error condition propagation in hid-sony driver HID: fix reference count leak hidraw HID: add proper support for pensketch 12x9 tablet HID: don't allow DealExtreme usb-radio be handled by usb hid driver HID: fix default Kconfig setting for TopSpeed driver HID: driver for TopSeed Cyberlink quirky remote HID: make boot protocol drivers depend on EMBEDDED HID: avoid sparse warning in HID_COMPAT_LOAD_DRIVER HID: hiddev cleanup -- handle all error conditions properly HID: force feedback driver for GreenAsia 0x12 PID HID: switch specialized drivers from "default y" to !EMBEDDED HID: set proper dev.parent in hidraw HID: add dynids facility HID: use GFP_KERNEL in hid_alloc_buffers HID: usbhid, use usb_endpoint_xfer_int HID: move usbhid flags to usbhid.h HID: add n-trig digitizer support HID: add phys and name ioctls to hidraw HID: struct device - replace bus_id with dev_name(), dev_set_name() HID: automatically call usbhid_set_leds in usbhid driver ...
| * | | HID: avoid sparse warning in HID_COMPAT_LOAD_DRIVERHannes Eder2009-01-041-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: include a prototype for the exported function in the macro Fix about 20 of this warnings: drivers/hid/hid-a4tech.c:162:1: warning: symbol 'hid_compat_a4tech' was not declared. Should it be static? Signed-off-by: Hannes Eder <hannes@hanneseder.net> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * | | HID: add dynids facilityJiri Slaby2009-01-041-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Allow adding new devices to the hid drivers on the fly without a need of kernel recompilation. Now, one can test a driver e.g. by: echo 0003:045E:00F0.0003 > ../generic-usb/unbind echo 0003 045E 00F0 > new_id from some driver subdir. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * | | HID: move usbhid flags to usbhid.hJiri Slaby2009-01-041-9/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Move usbhid specific flags from global hid.h into local usbhid.h. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * | | HID: add phys and name ioctls to hidrawJiri Kosina2009-01-041-0/+2
| |/ / | | | | | | | | | | | | | | | | | | | | | | | | The hiddev interface provides ioctl() calls which can be used to obtain phys and raw name of the underlying device. Add the corresponding support also into hidraw. Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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