summaryrefslogtreecommitdiffstats
path: root/drivers/platform (follow)
Commit message (Collapse)AuthorAgeFilesLines
* acer-wmi: Respect current backlight level when loadingCarlos Corbacho2010-02-191-1/+1
| | | | | | | | | | | Set the backlight to use the current brightness when loaded, rather than always resetting the backlight to maximum brightness. Fixes kernel bugzilla #14207 Signed-off-by: Carlos Corbacho <carlos@strangeworlds.co.uk> Reported-by: Denis Mukhin <denis_mukhin@yahoo.com> Signed-off-by: Len Brown <len.brown@intel.com>
* thinkpad-acpi: wrong thermal attribute_group removed in thermal_exit()Roel Kluin2010-02-161-1/+1
| | | | | | | | | | sysfs_remove_group() removed the wrong attribute_group for thermal_read_mode TPEC_8, ACPI_TMP07 and ACPI_UPDT Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Acked-by: Henrique de Moraes Holschuh <ibm-acpi@hmh.eng.br> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
* Merge branch 'misc' into releaseLen Brown2010-01-201-3/+6
|\
| * sony-laptop - fix using of uninitialized variableDmitry Torokhov2010-01-161-3/+6
| | | | | | | | | | | | | | | | | | | | CC [M] drivers/platform/x86/sony-laptop.o drivers/platform/x86/sony-laptop.c: In function 'sony_nc_rfkill_setup': drivers/platform/x86/sony-laptop.c:1162: warning: 'i' may be used uninitialized in this function Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Acked-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
* | eeepc-laptop: disable wireless hotplug for 1201NCorentin Chary2010-01-161-1/+1
| | | | | | | | | | Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Len Brown <len.brown@intel.com>
* | eeepc-laptop: add hotplug_disable parameterCorentin Chary2010-01-161-0/+10
| | | | | | | | | | | | | | | | | | | | Some new models need to disable wireless hotplug. For the moment, we don't know excactly what models need that, except 1005HA. Users will be able to use that param as a workaround. Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Len Brown <len.brown@intel.com>
* | eeepc-laptop: switch to using sparse keymap libraryDmitry Torokhov2010-01-162-135/+52
| | | | | | | | | | | | | | Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Tested-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk> Acked-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Len Brown <len.brown@intel.com>
* | eeepc-laptop: dmi blacklist to disable pci hotplug codeCorentin Chary2010-01-161-5/+20
| | | | | | | | | | | | | | | | | | This is a short term workaround for Eeepc 1005HA. refs: <http://bugzilla.kernel.org/show_bug.cgi?id=14570> Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Len Brown <len.brown@intel.com>
* | eeepc-laptop: disable cpu speed control on EeePC 701Alan Jenkins2010-01-161-0/+87
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The EeePC 4G ("701") implements CFVS, but it is not supported by the pre-installed OS, and the original option to change it in the BIOS setup screen was removed in later versions. Judging by the lack of "Super Hybrid Engine" on Asus product pages, this applies to all "701" models (4G/4G Surf/2G Surf). So Asus made a deliberate decision not to support it on this model. We have several reports that using it can cause the system to hang [1]. That said, it does not happen all the time. Some users do not experience it at all (and apparently wish to continue "right-clocking"). Check for the EeePC 701 using DMI. If met, then disable writes to the "cpufv" sysfs attribute and log an explanatory message. Add a "cpufv_disabled" attribute which allow users to override this policy. Writing to this attribute will log a second message. The sysfs attribute is more useful than a module option, because it makes it easier for userspace scripts to provide consistent behaviour (according to user configuration), regardless of whether the kernel includes this change. [1] <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=559578> Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk> Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Len Brown <len.brown@intel.com>
* | hp-wmi: remove double free caused by merge conflictAnisse Astier2010-01-011-2/+0
|/ | | | | | | | | | | | | | | | Commit 3e9b988e4edf065d39c1343937f717319b1c1065 "wmi: Free the allocated acpi objects through wmi_get_event_data" had the same purpose as commit 44ef00e6482e755f36629773abc2aee83a6f53e3 "hp-wmi: Fix two memleaks" This should solve this regression: http://bugzilla.kernel.org/show_bug.cgi?id=14890 Signed-off-by: Anisse Astier <anisse@astier.eu> Reported-by: Sedat Dilek <sedat.dilek@googlemail.com> Signed-off-by: Len Brown <len.brown@intel.com>
* Merge branch 'thinkpad' into releaseLen Brown2009-12-302-14/+73
|\
| * thinkpad-acpi: improve Kconfig help textHenrique de Moraes Holschuh2009-12-271-0/+5
| | | | | | | | | | | | | | | | | | Document that rfkill and ALSA functionality exists, but requires the subsystems to be available, and not modular if thinkpad-acpi is not modular. Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Signed-off-by: Len Brown <len.brown@intel.com>
| * thinkpad-acpi: make volume subdriver optionalHenrique de Moraes Holschuh2009-12-272-0/+49
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Allow the user to choose through Kconfig if the Console Audio Control interface (aka "volume subdriver") should be available or not. This not only saves some memory, but also allows the thinkpad-acpi driver to be built-in even if ALSA is modular when the console audio control interface is not wanted. This change fixes a build problem that is causing some annoyances, in a way that doesn't disable the entire driver on kernels without ALSA support. Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Cc: Ingo Molnar <mingo@elte.hu> Cc: Amerigo Wang <amwang@redhat.com> Cc: Helight Xu <helight.xu@gmail.com> Cc: Takashi Iwai <tiwai@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
| * thinkpad-acpi: don't fail to load the entire module due to ALSA problemsHenrique de Moraes Holschuh2009-12-271-13/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | If we cannot create the ALSA mixer, it is a good reason to fail to load the volume subdriver, and not to fail to load the entire module. While at it, add more debugging messages, as the error paths are being used a lot more than I'd expect, and it is failing to set up the ALSA mixer on a number of ThinkPads. Reported-by: Peter Jordan <usernetwork@gmx.info> Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Signed-off-by: Len Brown <len.brown@intel.com>
| * thinkpad-acpi: don't take the first ALSA slot by defaultHenrique de Moraes Holschuh2009-12-271-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | We don't want to be the first soundcard. We don't want to shift other soundcards out of the way either, even if they load much later. Ask ALSA to (by default) load us in one of the last three slots. This can be overriden at will using the "index" parameter. Reported-by: Whoopie <whoopie79@gmx.net> Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPI: WMI: Survive BIOS with duplicate GUIDsCarlos Corbacho2009-12-301-0/+30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It would appear that in BIOS's with nVidia hooks, the GUID 05901221-D566-11D1-B2F0-00A0C9062910 is duplicated. For now, the simplest solution is to just ignore any duplicate GUIDs. These particular hooks are not currently supported/ used in the kernel, so whoever does that can figure out what the 'right' solution should be (if there's a better one). http://bugzilla.kernel.org/show_bug.cgi?id=14846 Signed-off-by: Carlos Corbacho <carlos@strangeworlds.co.uk> Reported-by: Larry Finger <Larry.Finger@lwfinger.net> Reported-by: Oldřich Jedlička <oldium.pro@seznam.cz> Signed-off-by: Len Brown <len.brown@intel.com>
* | dell-wmi - fix condition to abort driver loadingDmitry Torokhov2009-12-301-1/+1
| | | | | | | | | | | | | | | | | | | | | | From: Dmitry Torokhov <dmitry.torokhov@gmail.com> The commit 1fdd407f4e3f2ecb453954cbebb6c22491c61853 incorrectly made driver abort loading when known GUID is present when it should have done exactly the opposite. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Len Brown <len.brown@intel.com>
* | wmi: check find_guid() return value to prevent oopsPaul Rolland2009-12-301-4/+2
| | | | | | | | | | Signed-off-by: Paul Rolland <rol@as2917.net> Signed-off-by: Len Brown <len.brown@intel.com>
* | dell-wmi, hp-wmi, msi-wmi: check wmi_get_event_data() return valueLen Brown2009-12-303-3/+18
| | | | | | | | | | | | | | | | | | | | | | When acpi_evaluate_object() is passed ACPI_ALLOCATE_BUFFER, the caller must kfree the returned buffer if AE_OK is returned. The callers of wmi_get_event_data() pass ACPI_ALLOCATE_BUFFER, and thus must check its return value before accessing or kfree() on the buffer. Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPI: hp-wmi, msi-wmi: clarify that wmi_install_notify_handler() returns an ↵Len Brown2009-12-302-2/+2
| | | | | | | | | | | | | | | | | | | | | | acpi_status Emphasize that that wmi_install_notify_handler() returns an acpi_status rather than -errno by by testing ACPI_SUCCESS(), ACPI_FAILURE(). No functional change in this patch, but this confusion caused a bug in dell-wmi. Signed-off-by: Len Brown <len.brown@intel.com>
* | dell-wmi: sys_init_module: 'dell_wmi'->init suspiciously returned 21, it shouldLen Brown2009-12-301-4/+5
|/ | | | | | | | | | follow 0/-E convention wmi_install_notify_handler() returns an acpi_error, but dell_wmi_init() needs return a -errno style error. Tested-by: Paul Rolland <rol@as2917.net> Signed-off-by: Len Brown <len.brown@intel.com>
* Merge branch 'misc-2.6.33' into releaseLen Brown2009-12-249-303/+423
|\
| * hp-wmi: Fix two memleaksThomas Renninger2009-12-241-1/+8
| | | | | | | | | | Signed-off-by: Thomas Renninger <trenn@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
| * acer-wmi, msi-wmi: Remove needless DMI MODULE_ALIASThomas Renninger2009-12-242-13/+0
| | | | | | | | | | | | | | | | | | | | Now that we have WMI autoloading the DMI matching is not needed anymore. Signed-off-by: Thomas Renninger <trenn@suse.de> Acked-by: Carlos Corbacho <carlos@strangeworlds.co.uk> Acked-by: Anisse Astier <anisse@astier.eu> Signed-off-by: Len Brown <len.brown@intel.com>
| * dell-wmi: do not keep driver loaded on unsupported boxesDmitry Torokhov2009-12-241-22/+19
| | | | | | | | | | | | | | | | | | There is no point in having the driver loaded in memory if we fail to locate particular WMI GUID. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Acked-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Len Brown <len.brown@intel.com>
| * wmi: Free the allocated acpi objects through wmi_get_event_dataAnisse Astier2009-12-243-2/+5
| | | | | | | | | | | | | | | | | | | | | | | | These function allocate an acpi object by calling wmi_get_event_data, which then calls acpi_evaluate_object, and it is not freed afterwards. And kernel doc is fixed for parameters of wmi_get_event_data. Signed-off-by: Anisse Astier <anisse@astier.eu> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Acked-by: Carlos Corbacho <carlos@strangeworlds.co.uk> Signed-off-by: Len Brown <len.brown@intel.com>
| * drivers/platform/x86/acerhdf.c: check BIOS information whether it begins ↵Peter Feuerer2009-12-241-18/+28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | with string of table BIOS information is now checked whether it begins with the strings stored in the BIOS table. Previous method did a strcmp, what lead to problems if BIOS information has appended whitespaces. Signed-off-by: Peter Feuerer <peter@piie.net> Cc: Borislav Petkov <petkovbb@gmail.com> Cc: Andreas Mohr <andi@lisas.de> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
| * acerhdf: add new BIOS versionsPeter Feuerer2009-12-241-2/+15
| | | | | | | | | | | | | | | | | | | | | | Add new BIOS versions for following netbooks: Aspire 1810xx, Packard Bell DOTMU. Signed-off-by: Peter Feuerer <peter@piie.net> Cc: Borislav Petkov <petkovbb@gmail.com> Cc: Andreas Mohr <andi@lisas.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
| * acerhdf: limit modalias matching to supportedStefan Bader2009-12-241-3/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BugLink: https://bugs.launchpad.net/ubuntu/+bug/435958 The module alias currently matches any Acer computer but when loaded the BIOS checks will only succeed on Aspire One models. This causes a invalid BIOS warning for all other models (seen on Aspire 4810T). This is not fatal but worries users that see this message. Limiting the moule alias to models starting with AOA or DOA for Packard Bell. Signed-off-by: Stefan Bader <stefan.bader@canonical.com> Acked-by: Borislav Petkov <petkovbb@gmail.com> Acked-by: Peter Feuerer <peter@piie.net> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
| * toshiba_acpi: convert to seq_fileAlexey Dobriyan2009-12-241-112/+147
| | | | | | | | | | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: John W. Linville <linville@tuxdriver.com> Cc: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
| * asus_acpi: convert to seq_fileAlexey Dobriyan2009-12-241-127/+194
| | | | | | | | | | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Corentin Chary <corentincj@iksaif.net> Cc: Karol Kozimor <sziwan@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
| * fujitu-laptop: fix tests of acpi_evaluate_integer() return valueJonathan Woithe2009-12-231-4/+4
| | | | | | | | | | | | | | | | | | | | Fix tests on return value from acpi_evaluate_integer(). Based on a patch by Roel Kluin <roel.kluin@gmail.com> and incorporating suggestions from Len Brown <lenb@kernel.org>. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Jonathan Woithe <jwoithe@physics.adelaide.edu.au> Signed-off-by: Len Brown <len.brown@intel.com>
* | Merge branch 'tc1100-wmi' into releaseLen Brown2009-12-241-60/+55
|\ \
| * | tc1100-wmi - switch to using dev_pm_opsDmitry Torokhov2009-12-161-6/+16
| | | | | | | | | | | | | | | | | | | | | Also guard PM operations with CONFIG_PM. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Len Brown <len.brown@intel.com>
| * | tc1100-wmi - add error handling for device registrationDmitry Torokhov2009-12-161-28/+30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Any of the platform API functions can fail; driver should be prepared to handle such failures. Also: - changed to platform_driver_probe() since the device is created right there with the driver; - added __devexit annotation to remove method; - fixed memory leak on module unload - named platform_device_del() is not enough to free platform device, need platform_device_unregister(). Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Len Brown <len.brown@intel.com>
| * | tc1100-wmi - switch to using attribute groupDmitry Torokhov2009-12-161-28/+11
| | | | | | | | | | | | | | | | | | | | | | | | Sysfs attribute group takes care of proper creation of a set of attributes and implements proper error unwinding so the driver does not have to do it. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Len Brown <len.brown@intel.com>
* | | Merge branch 'sony' into releaseLen Brown2009-12-241-23/+71
|\ \ \
| * | | sony-laptop: enumerate rfkill devices using SN06Mattia Dongili2009-12-241-19/+57
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | SN06 makes sure we get back a longer buffer which seems to be necessary going forward as the SNC devices describes more and more devices (or features more precisely). Moreover SN06 should be called with only the descriptor offset to make sure we hit the rfkill controlling function (F124 or F135) with a 0 argument to get a full list of features. Signed-off-by: Mattia Dongili <malattia@linux.it> Tested-by: Miguel Rodríguez Pérez <miguelrp@gmail.com> Signed-off-by: Len Brown <len.brown@intel.com>
| * | | sony-laptop: rfkill support for newer modelsMattia Dongili2009-12-241-8/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Vaio Type X and possibly other new models use F135 as the radio frequency controlling function attached to the SNC device. In the indexed table this corresponds to 0x0135 (surpise!). Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
| * | | sony-laptop: add AVMode key mappingMattia Dongili2009-12-171-0/+4
| |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some models are equipped with an "AVMode" function key that sends sony-laptop: Unknown event: 0x100 0xa1 sony-laptop: Unknown event: 0x100 0x21 for press and release respectively. Cc: "Matthew W. S. Bell" <matthew@bells23.org.uk> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
* | | Merge branch 'classmate' into releaseLen Brown2009-12-243-0/+622
|\ \ \
| * | | classmate-laptop: add support for Classmate PC ACPI devicesThadeu Lima de Souza Cascardo2009-12-243-0/+622
| | |/ | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This add supports for devices like keyboard, backlight, tablet and accelerometer. This work is supported by International Syst S/A. [randy.dunlap@oracle.com: cmpc_acpi: depends on ACPI] [akpm@linux-foundation.org: readability tweaks] [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
* | | kfifo: rename kfifo_put... into kfifo_in... and kfifo_get... into kfifo_out...Stefani Seibold2009-12-222-6/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | rename kfifo_put... into kfifo_in... to prevent miss use of old non in kernel-tree drivers ditto for kfifo_get... -> kfifo_out... Improve the prototypes of kfifo_in and kfifo_out to make the kerneldoc annotations more readable. Add mini "howto porting to the new API" in kfifo.h Signed-off-by: Stefani Seibold <stefani@seibold.net> Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com> Acked-by: Andi Kleen <ak@linux.intel.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | kfifo: cleanup namespaceStefani Seibold2009-12-221-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | change name of __kfifo_* functions to kfifo_*, because the prefix __kfifo should be reserved for internal functions only. Signed-off-by: Stefani Seibold <stefani@seibold.net> Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com> Acked-by: Andi Kleen <ak@linux.intel.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | kfifo: move out spinlockStefani Seibold2009-12-222-18/+22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move the pointer to the spinlock out of struct kfifo. Most users in tree do not actually use a spinlock, so the few exceptions now have to call kfifo_{get,put}_locked, which takes an extra argument to a spinlock. Signed-off-by: Stefani Seibold <stefani@seibold.net> Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com> Acked-by: Andi Kleen <ak@linux.intel.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | kfifo: move struct kfifo in placeStefani Seibold2009-12-222-33/+31
|/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a new generic kernel FIFO implementation. The current kernel fifo API is not very widely used, because it has to many constrains. Only 17 files in the current 2.6.31-rc5 used it. FIFO's are like list's a very basic thing and a kfifo API which handles the most use case would save a lot of development time and memory resources. I think this are the reasons why kfifo is not in use: - The API is to simple, important functions are missing - A fifo can be only allocated dynamically - There is a requirement of a spinlock whether you need it or not - There is no support for data records inside a fifo So I decided to extend the kfifo in a more generic way without blowing up the API to much. The new API has the following benefits: - Generic usage: For kernel internal use and/or device driver. - Provide an API for the most use case. - Slim API: The whole API provides 25 functions. - Linux style habit. - DECLARE_KFIFO, DEFINE_KFIFO and INIT_KFIFO Macros - Direct copy_to_user from the fifo and copy_from_user into the fifo. - The kfifo itself is an in place member of the using data structure, this save an indirection access and does not waste the kernel allocator. - Lockless access: if only one reader and one writer is active on the fifo, which is the common use case, no additional locking is necessary. - Remove spinlock - give the user the freedom of choice what kind of locking to use if one is required. - Ability to handle records. Three type of records are supported: - Variable length records between 0-255 bytes, with a record size field of 1 bytes. - Variable length records between 0-65535 bytes, with a record size field of 2 bytes. - Fixed size records, which no record size field. - Preserve memory resource. - Performance! - Easy to use! This patch: Since most users want to have the kfifo as part of another object, reorganize the code to allow including struct kfifo in another data structure. This requires changing the kfifo_alloc and kfifo_init prototypes so that we pass an existing kfifo pointer into them. This patch changes the implementation and all existing users. [akpm@linux-foundation.org: fix warning] Signed-off-by: Stefani Seibold <stefani@seibold.net> Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com> Acked-by: Andi Kleen <ak@linux.intel.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Merge branch 'for-33' of git://repo.or.cz/linux-kbuildLinus Torvalds2009-12-171-1/+0
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-33' of git://repo.or.cz/linux-kbuild: (29 commits) net: fix for utsrelease.h moving to generated gen_init_cpio: fixed fwrite warning kbuild: fix make clean after mismerge kbuild: generate modules.builtin genksyms: properly consider EXPORT_UNUSED_SYMBOL{,_GPL}() score: add asm/asm-offsets.h wrapper unifdef: update to upstream revision 1.190 kbuild: specify absolute paths for cscope kbuild: create include/generated in silentoldconfig scripts/package: deb-pkg: use fakeroot if available scripts/package: add KBUILD_PKG_ROOTCMD variable scripts/package: tar-pkg: use tar --owner=root Kbuild: clean up marker net: add net_tstamp.h to headers_install kbuild: move utsrelease.h to include/generated kbuild: move autoconf.h to include/generated drop explicit include of autoconf.h kbuild: move compile.h to include/generated kbuild: drop include/asm kbuild: do not check for include/asm-$ARCH ... Fixed non-conflicting clean merge of modpost.c as per comments from Stephen Rothwell (modpost.c had grown an include of linux/autoconf.h that needed to be changed to generated/autoconf.h)
| * | drop explicit include of autoconf.hSam Ravnborg2009-12-121-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | kbuild.h forces include of autoconf.h on the commandline using -include - so we do not need to include the file explicit. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
* | | Merge branch 'misc-2.6.33' into releaseLen Brown2009-12-161-26/+37
|\ \ \
| * | | acerhdf: add new BIOS versionsPeter Feuerer2009-12-161-26/+37
| | |/ | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Added new BIOS versions for following netbooks: Acer 1410, Gateway LT31, Packard Bell DOA150. As the Gateway LT31 machines have different register values for setting and checking the off-state, the "cmd_off" variable has been splitted up to "cmd_off" and "chk_off". Signed-off-by: Peter Feuerer <peter@piie.net> Cc: Borislav Petkov <petkovbb@gmail.com> Cc: Andreas Mohr <andi@lisas.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 07:26:06 +0100