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* PM: Introduce PM_EVENT_HIBERNATE callback stateRafael J. Wysocki2008-02-231-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | During the last step of hibernation in the "platform" mode (with the help of ACPI) we use the suspend code, including the devices' ->suspend() methods, to prepare the system for entering the ACPI S4 system sleep state. But at least for some devices the operations performed by the ->suspend() callback in that case must be different from its operations during regular suspend. For this reason, introduce the new PM event type PM_EVENT_HIBERNATE and pass it to the device drivers' ->suspend() methods during the last phase of hibernation, so that they can distinguish this case and handle it as appropriate. Modify the drivers that handle PM_EVENT_SUSPEND in a special way and need to handle PM_EVENT_HIBERNATE in the same way. These changes are necessary to fix a hibernation regression related to the i915 driver (ref. http://lkml.org/lkml/2008/2/22/488). Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Pavel Machek <pavel@ucw.cz> Tested-by: Jeff Chua <jeff.chua.linux@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* typo fix in net/rfkill/rfkill.cOliver Pinter2008-02-031-1/+1
| | | | | Signed-off-by: Oliver Pinter <oliver.pntr@gmail.com> Signed-off-by: Adrian Bunk <bunk@kernel.org>
* rfkill: add the WiMAX radio typeIñaky Pérez-González2008-01-312-0/+12
| | | | | | | | | | | | | | | | Teach rfkill about wimax radios. Had to define a KEY_WIMAX as a 'key for disabling only wimax radios', as other radio technologies have. This makes sense as hardware has specific keys for disabling specific radios. The RFKILL enabling part is, otherwise, a copy and paste of any other radio technology. Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* rfkill: call rfkill_led_trigger_unregister() on errorEric Paris2008-01-201-1/+4
| | | | | | | | | Code inspection turned up that error cases in rfkill_register() do not call rfkill_led_trigger_unregister() even though we have already registered. Signed-off-by: Eric Paris <eparis@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rfkill: fix double-mutex-lockingMichael Buesch2007-11-291-9/+5
| | | | | | | | | | | | rfkill_toggle_radio is called from functions where rfkill->mutex is already aquired. Remove the lock from rfkill_toggle_radio() and add it to the only calling function that calls it without the lock held. Signed-off-by: Michael Buesch <mb@bu3sch.de> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rfkill: Fix sparse warningMichael Buesch2007-11-101-0/+4
| | | | Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rfkill: Use mutex_lock() at register and add sanity checkMichael Buesch2007-11-101-11/+9
| | | | | | | | | | | | | Replace mutex_lock_interruptible() by mutex_lock() in rfkill_register(), as interruptible doesn't make sense there. Add a sanity check for rfkill->type, as that's used for an unchecked dereference in an array and might cause hard to debug crashes if the driver sets this to an invalid value. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rfkill: Use subsys_initcallMichael Buesch2007-11-101-1/+1
| | | | | | | | | We must use subsys_initcall, because we must initialize before a driver calls rfkill_register(). Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rfkill: Register LED triggers before registering switchMichael Buesch2007-11-101-5/+6
| | | | | | | | | | | Registering the switch triggers a LED event, so we must register LED triggers before the switch. This has a potential to fix a crash, depending on how the device driver initializes the rfkill data structure. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* get rid of input BIT* duplicate definesJiri Slaby2007-10-191-6/+6
| | | | | | | | | | | | | | | | | | | | | | get rid of input BIT* duplicate defines use newly global defined macros for input layer. Also remove includes of input.h from non-input sources only for BIT macro definiton. Define the macro temporarily in local manner, all those local definitons will be removed further in this patchset (to not break bisecting). BIT macro will be globally defined (1<<x) Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: <dtor@mail.ru> Acked-by: Jiri Kosina <jkosina@suse.cz> Cc: <lenb@kernel.org> Acked-by: Marcel Holtmann <marcel@holtmann.org> Cc: <perex@suse.cz> Acked-by: Mauro Carvalho Chehab <mchehab@infradead.org> Cc: <vernux@us.ibm.com> Cc: <malattia@linux.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [RFKILL]: Add support for hardware-only rfkill buttonsMichael Buesch2007-10-101-1/+6
| | | | | | | | | | | | Buttons that work directly on hardware cannot support the "user_claim" functionality. Add a flag to signal this and return -EOPNOTSUPP in this case. b43 is such a device. Signed-off-by: Michael Buesch <mb@bu3sch.de> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [RFKILL]: Add support for an rfkill LED.Michael Buesch2007-10-102-1/+48
| | | | | | | | | This adds a LED trigger. Signed-off-by: Michael Buesch <mb@bu3sch.de> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [RFKILL]: Move rfkill_switch_all out of global headerIvo van Doorn2007-10-103-1/+19
| | | | | | | | | | | rfkill_switch_all shouldn't be called by drivers directly, instead they should send a signal over the input device. To prevent confusion for driver developers, move the function into a rfkill private header. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [RFKILL]: Add support for ultrawidebandIvo van Doorn2007-10-102-0/+12
| | | | | | | | This patch will add support for UWB keys to rfkill, support for this has been requested by Inaky. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [RFKILL]: Remove IRDAIvo van Doorn2007-10-102-5/+2
| | | | | | | | | | | | | | | | | As Dmitry pointed out earlier, rfkill-input.c doesn't support irda because there are no users and we shouldn't add unrequired KEY_ defines. However, RFKILL_TYPE_IRDA was defined in the rfkill.h header file and would confuse people about whether it is implemented or not. This patch removes IRDA support completely, so it can be added whenever a driver wants the feature. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET] RFKILL: Fix whitespace errors.YOSHIFUJI Hideaki2007-07-191-1/+1
| | | | Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
* [RFKILL]: Make state sysfs writableIvo van Doorn2007-07-181-1/+1
| | | | | | | | | The rfkill state Sysfs attribute should be made writable, we already pass the argument for the store handler, so we only need to update the permissions flag. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [RFKILL]: fix net/rfkill/rfkill-input.c bug on 64-bit systemsIngo Molnar2007-07-141-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | Subject: [patch] net/input: fix net/rfkill/rfkill-input.c bug on 64-bit systems this recent commit: commit cf4328cd949c2086091c62c5685f1580fe9b55e4 Author: Ivo van Doorn <IvDoorn@gmail.com> Date: Mon May 7 00:34:20 2007 -0700 [NET]: rfkill: add support for input key to control wireless radio added this 64-bit bug: .... unsigned int flags; spin_lock_irqsave(&task->lock, flags); .... irq 'flags' must be unsigned long, not unsigned int. The -rt tree has strict checks about this on 64-bit so this triggered a build failure. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: David S. Miller <davem@davemloft.net>
* [RFKILL]: Fix check for correct rfkill allocationIvo van Doorn2007-05-191-1/+1
| | | | | | | | | coverity has spotted a bug in rfkill.c (bug id #1627), in rfkill_allocate() NULL was returns if the kzalloc() works, and deref the NULL pointer if it fails, Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: rfkill: add support for input key to control wireless radioIvo van Doorn2007-05-074-0/+611
The RF kill patch that provides infrastructure for implementing switches controlling radio states on various network and other cards. [dtor@insightbb.com: address review comments] [akpm@linux-foundation.org: cleanups, build fixes] Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
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