Commit graph android_kernel_sony_sdm845/drivers/acpi/sbs.c
Message SHA1
acpi: use non-racy method for proc entries creation
Use proc_create()/proc_create_data() to make sure that ->proc_fops and ->data
be setup before gluing PDE to main tree.

Add correct ->owner to proc_fops to fix reading/module unloading race.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Cc: Len Brown <lenb@kernel.org>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Denis V. Lunev   authored and   Linus Torvalds   commited 2008-04-29 08:06:22 -07:00
cf7acfab03
ACPI: SBS: Host controller must initialize before SBS.
In static case sbshc must be compiled ahead of sbs, so that
hc is configured first.

http://bugzilla.kernel.org/show_bug.cgi?id=9910

Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>

Alexey Starikovskiy   authored and   Len Brown   commited 2008-02-09 03:22:13 -05:00
bbafbecb24
ACPI: misc cleanups
This patch contains the following possible cleanups:
    - make the following needlessly global code static:
      - drivers/acpi/bay.c:dev_attr_eject
      - drivers/acpi/bay.c:dev_attr_present
      - drivers/acpi/dock.c:dev_attr_docked
      - drivers/acpi/dock.c:dev_attr_flags
      - drivers/acpi/dock.c:dev_attr_uid
      - drivers/acpi/dock.c:dev_attr_undock
      - drivers/acpi/pci_bind.c:acpi_pci_unbind()
      - drivers/acpi/pci_link.c:acpi_link_lock
      - drivers/acpi/sbs.c:acpi_sbs_callback()
      - drivers/acpi/sbshc.c:acpi_smbus_transaction()
      - drivers/acpi/sleep/main.c:acpi_sleep_prepare()
    - #if 0 the following unused global functions:
      - drivers/acpi/numa.c:acpi_unmap_pxm_to_node()
    - remove the following unused EXPORT_SYMBOL's:
      - acpi_register_gsi
      - acpi_unregister_gsi
      - acpi_strict
      - acpi_bus_receive_event
      - register_acpi_bus_type
      - unregister_acpi_bus_type
      - acpi_os_printf
      - acpi_os_sleep
      - acpi_os_stall
      - acpi_os_read_pci_configuration
      - acpi_os_create_semaphore
      - acpi_os_delete_semaphore
      - acpi_os_wait_semaphore
      - acpi_os_signal_semaphore
      - acpi_os_signal
      - acpi_pci_irq_enable
      - acpi_get_pxm

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Acked-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>

Adrian Bunk   authored and   Len Brown   commited 2008-02-07 03:33:23 -05:00
e5685b9d35
ACPI: Make sysfs interface in ACPI power optional.
Reference: http://bugzilla.kernel.org/show_bug.cgi?id=9494

Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>

Alexey Starikovskiy   authored and   Len Brown   commited 2008-01-01 14:27:24 -05:00
97749cd9ad
ACPI: SBS: Return rate in mW if capacity in mWh
klaptopd assumes rate to be in same units as capacity.

http://bugzilla.kernel.org/show_bug.cgi?id=9362

Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>

Alexey Starikovskiy   authored and   Len Brown   commited 2007-12-14 15:14:23 -05:00
5a21e4fe58
ACPI: SBS: Ignore alarms coming from unknown devices
http://bugzilla.kernel.org/show_bug.cgi?id=9362

Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>

Alexey Starikovskiy   authored and   Len Brown   commited 2007-12-14 15:14:06 -05:00
c2d00f2d1b
Pull procfs-default into release branch
Conflicts:

	drivers/acpi/sbs.c

Signed-off-by: Len Brown <len.brown@intel.com>

Len Brown   commited 2007-11-20 01:20:00 -05:00
c2e46d2e2a
ACPI: Split out control for /proc/acpi entries from battery, ac, and sbs.
Introduce new ACPI_PROCFS_POWER (default Yes) config option and move
procfs code in battery, ac, and sbs drivers under it.
This is done to allow ACPI_PROCFS to be default No.

Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>

Alexey Starikovskiy   authored and   Len Brown   commited 2007-11-19 11:21:50 -05:00
fdcedbba2f
ACPI: SBS: Fix retval warning
drivers/acpi/sbs.c: In function acpi_battery_add:
drivers/acpi/sbs.c:811: warning: ignoring return value of device_create_file,
declared with attribute warn_unused_result

Additional cleanups:
* use struct acpi_battery in acpi_battery_remove() to clean up function
calls, just like acpi_battery_add() already does.

* put braces around unregister call, as it depends on dev being not NULL.

* remove unneeded braces

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>

Jeff Garzik   authored and   Len Brown   commited 2007-11-18 17:24:01 -05:00
037cbc63fd
ACPI: SBS: Add sysfs alarm
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>

Alexey Starikovskiy   authored and   Len Brown   commited 2007-09-27 15:50:23 -04:00
8bd9553206
ACPI: SBS: Add ACPI_PROCFS around procfs handling code.
Make procfs support optional under ACPI_PROCFS

Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>

Alexey Starikovskiy   authored and   Len Brown   commited 2007-09-27 15:50:23 -04:00
66e4b72bfa
ACPI: SBS: Add support for power_supply class (and sysfs)
Add support for power_supply class and sysfs interface of it.
Refer to Documentation/power_supply_class.txt for interface description.

Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>

Alexey Starikovskiy   authored and   Len Brown   commited 2007-09-27 15:50:22 -04:00
94f6c08601
ACPI: SBS: Make SBS reads table-driven.
Re-factor SBS functions to use tables and cycles for repeated operations.
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>

Alexey Starikovskiy   authored and   Len Brown   commited 2007-09-27 15:50:22 -04:00
db1c291af7
ACPI: SBS: Simplify data structures in SBS
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>

Alexey Starikovskiy   authored and   Len Brown   commited 2007-09-27 15:50:22 -04:00
89862e3be1
ACPI: SBS: Split host controller (ACPI0001) from SBS driver (ACPI0002)
Replace poll-based host controller driver with the notify-based one.
Split it out of sbs.c.
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>

Alexey Starikovskiy   authored and   Len Brown   commited 2007-09-27 15:50:22 -04:00
91087dfa51
ACPI: Add acpi_bus_generate_event4() function
acpi_bus_generate_event() takes two strings out of passed device object.
SBS needs to supply these strings directly.

Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>

Alexey Starikovskiy   authored and   Len Brown   commited 2007-09-27 15:50:22 -04:00
8db85d4c9a
ACPI: Schedule /proc/acpi/event for removal
Schedule /proc/acpi/event for removal in 6 months.

Re-name acpi_bus_generate_event() to acpi_bus_generate_proc_event()
to make sure there is no confusion that it is for /proc/acpi/event only.

Add CONFIG_ACPI_PROC_EVENT to allow removal of /proc/acpi/event.
There is no functional change if CONFIG_ACPI_PROC_EVENT=y

Signed-off-by: Len Brown <len.brown@intel.com>

Len Brown   commited 2007-08-23 15:20:26 -04:00
14e04fb34f
ACPI: don't duplicate input events on netlink
The previous events patch added a netlink event for every
user of the legacy /proc/acpi/event interface.

However, some users of /proc/acpi/event are really input events,
and they already report their events via the input layer.

Introduce a new interface, acpi_bus_generate_netlink_event(),
which is explicitly called by devices that want to repoprt
events via netlink.  This allows the input-like events
to opt-out of generating netlink events.  In summary:

events that are sent via netlink:
	ac/battery/sbs
	thermal
	processor
	thinkpad_acpi dock/bay

events that are sent via input layer:
	button
	video hotkey
	thinkpad_acpi hotkey
	asus_acpi/asus-laptop hotkey
	sonypi/sonylaptop

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

Zhang Rui   authored and   Len Brown   commited 2007-08-23 14:27:23 -04:00
962ce8ca06
ACPI: sbs: remove dead code
Remove dead code spotted by the Coverity checker.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>

Adrian Bunk   authored and   Len Brown   commited 2007-08-03 22:31:07 -04:00
bc90a0105d
ACPI: autoload modules - Create __mod_acpi_device_table symbol for all ACPI drivers
modpost is going to use these to create e.g. acpi:ACPI0001
in modules.alias.

Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>

Thomas Renninger   authored and   Len Brown   commited 2007-07-23 13:56:42 -04:00
1ba90e3a87
ACPI: sbs: probe smart battery vis SMBus controller
http://bugzilla.kernel.org/show_bug.cgi?id=8559

Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>

Alexey Starikovskiy   authored and   Len Brown   commited 2007-06-23 16:24:48 -04:00
addad45494
ACPI: sbs: Common interface with CM battery
The SBS driver has tne features as CM battery:
SBS update_time variable has tne same definition as CM battery 'update_time' variable.

Signed-off-by: Vladimir Lebedev <vladimir.p.lebedev@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

Vladimir Lebedev   authored and   Len Brown   commited 2007-03-22 01:15:58 -04:00
722062334b
ACPI: sbs: Debug messages correction/improvement
Debug messages correction/improvement:
Use ACPI_EXCEPTION instead of ACPI_DEBUG_PRINT.

Signed-off-by: Vladimir Lebedev <vladimir.p.lebedev@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

Vladimir Lebedev   authored and   Len Brown   commited 2007-03-22 01:15:58 -04:00
6845118b3b
ACPI: sbs: use EC rather than I2C
SBS is based on EC function(ec_read/ec_write).
Not needed using of I2C structures/functions ... is removed.
SBS does not depend on I2C now.

Signed-off-by: Vladimir Lebedev <vladimir.p.lebedev@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

Vladimir Lebedev   authored and   Len Brown   commited 2007-03-22 01:15:57 -04:00
6d15702cc0
Pull bugzilla-7897 into release branch
Len Brown   commited 2007-02-16 22:12:04 -05:00
255f0385c8
ACPI: delete extra #defines in /drivers/acpi/ drivers
Cosmetic only.

Except in a single case, #define ACPI_*_DRIVER_NAME
were invoked 0 or 1 times.

Signed-off-by: Len Brown <len.brown@intel.com>

Len Brown   commited 2007-02-12 23:50:52 -05:00
7cda93e008
ACPI: fix acpi_driver.name usage
It was erroneously used as a description rather than a name.

ie. turn this:

lenb@se7525gp2:/sys> ls bus/acpi/drivers
ACPI AC Adapter Driver  ACPI Embedded Controller Driver  ACPI Power Resource Driver
ACPI Battery Driver     ACPI Fan Driver                  ACPI Processor Driver
ACPI Button Driver      ACPI PCI Interrupt Link Driver   ACPI Thermal Zone Driver
ACPI container driver   ACPI PCI Root Bridge Driver      hpet

into this:

lenb@se7525gp2:~> ls /sys/bus/acpi/drivers
ac  battery  button  container  ec  fan  hpet  pci_link  pci_root  power  processor  thermal

Signed-off-by: Len Brown <len.brown@intel.com>

Len Brown   commited 2007-02-12 23:33:40 -05:00
c2b6705b75
ACPI: clean up ACPI_MODULE_NAME() use
cosmetic only

Make "module name" actually match the file name.
Invoke with ';' as leaving it off confuses Lindent and gcc doesn't care.
Fix indentation where Lindent did get confused.

Signed-off-by: Len Brown <len.brown@intel.com>

Len Brown   commited 2007-02-12 22:42:12 -05:00
f52fd66d2e
ACPI: sbs: fix present rate
http://bugzilla.kernel.org/show_bug.cgi?id=7897

Signed-off-by: Vladimir Lebedev <vladimir.p.lebedev@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

Vladimir Lebedev   authored and   Len Brown   commited 2007-02-10 01:51:13 -05:00
e6d0f5622d
ACPI: replace kmalloc+memset with kzalloc
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Len Brown <len.brown@intel.com>

Burman Yan   authored and   Len Brown   commited 2006-12-20 16:54:54 -05:00
36bcbec7ce
Pull style into test branch
Conflicts:

	drivers/acpi/button.c
	drivers/acpi/ec.c
	drivers/acpi/osl.c
	drivers/acpi/sbs.c

Len Brown   commited 2006-12-16 01:04:27 -05:00
cece901481
ACPI: Remove unnecessary from/to-void* and to-void casts in drivers/acpi
Signed-off-by: Jan Engelhardt <jengelh@gmx.de>
Signed-off-by: Len Brown <len.brown@intel.com>

Jan Engelhardt   authored and   Len Brown   commited 2006-10-14 01:51:07 -04:00
50dd096973
ACPI: sbs: fix module_param() initializers
Signed-off-by: Len Brown <len.brown@intel.com>

Lebedev, Vladimir P   authored and   Len Brown   commited 2006-10-14 00:34:00 -04:00
3cd5b87d96
ACPI: sbs: check for NULL device pointer
Signed-off-by: Len Brown <len.brown@intel.com>

Lebedev, Vladimir P   authored and   Len Brown   commited 2006-10-14 00:33:52 -04:00
963497c12a
ACPI: skip smart battery init when acpi=off
Signed-off-by: Len Brown <len.brown@intel.com>

Len Brown   commited 2006-08-15 23:21:37 -04:00
b20d2aeb0a
ACPI: remove function tracing macros from drivers/acpi/*.c
a few invocations appeared due to the SBS and other patches.

Signed-off-by: Len Brown <len.brown@intel.com>

Len Brown   commited 2006-07-01 16:48:23 -04:00
635227ee89
ACPI: add support for Smart Battery
Most batteries today are ACPI "Control Method" batteries,
but some models ship with the older "Smart Battery"
that requires this code.

Rich Townsend and Bruno Ducrot were the original authors.
Vladimir Lebedev updated to run on latest kernel.

http://bugzilla.kernel.org/show_bug.cgi?id=3734

Signed-off-by: Len Brown <len.brown@intel.com>

Rich Townsend   authored and   Len Brown   commited 2006-07-01 16:36:14 -04:00
3f86b83243