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Daniel Drake a3c8121b87 x86/olpc: Add debugfs interface for EC commands 
Add a debugfs interface for sending commands to the OLPC
Embedded Controller (EC) and reading the responses.  The EC
provides functionality for machine identification, battery and
AC control, wakeup control, etc.

Having a debugfs interface available is useful for EC
development and debugging.

Based on code by Paul Fox (who also approves of the end result).

Signed-off-by: Daniel Drake <dsd@laptop.org>
Acked-by: Paul Fox <pgf@laptop.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Andres Salomon <dilinger@queued.net>
Link: http://lkml.kernel.org/r/20120327150740.667D09D401E@zog.reactivated.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-03-27 20:54:52 +02:00
..
ABI
x86/olpc: Add debugfs interface for EC commands
2012-03-27 20:54:52 +02:00
accounting
Documentation: update cgroupfs mount point
2011-06-15 21:52:50 -07:00
acpi
acpi/apei/einj: Add extensions to EINJ from rev 5.0 of acpi spec
2012-01-18 01:14:17 -05:00
aoe
Documentation: update broken web addresses.
2010-08-04 15:21:40 +02:00
arm
Documentation: Fix multiple typo in Documentation
2012-03-07 16:08:24 +01:00
auxdisplay
…
blackfin
doc: fix broken references
2011-09-27 18:08:04 +02:00
block
Documentation: drop as block elevator reference in switching-sched.txt
2011-11-04 12:01:48 -07:00
blockdev
cciss: auto engage SCSI mid layer at driver load time
2011-11-16 09:21:49 +01:00
cdrom
doc: fix broken references
2011-09-27 18:08:04 +02:00
cgroups
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2012-03-20 21:12:50 -07:00
connector
Documentation/: it's -> its where appropriate
2010-04-23 02:09:52 +02:00
console
…
cpu-freq
Doc: cpufreq: Fix typo and outdated line
2011-11-08 10:23:29 +01:00
cpuidle
…
cris
…
crypto
…
development-process
Documentation: Update stable address
2011-12-12 14:14:31 -08:00
device-mapper
Documentation: Fix multiple typo in Documentation
2012-03-07 16:08:24 +01:00
devicetree
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
2012-03-21 18:55:10 -07:00
DocBook
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2012-03-20 21:12:50 -07:00
driver-model
Merge remote-tracking branches 'regulator/topic/devm' and 'regulator/topic/stub' into regulator-next
2012-03-18 21:38:28 +00:00
dvb
[media] dvb_get_firmware: updates for it913x
2011-12-11 09:00:48 -02:00
early-userspace
…
fault-injection
fault-injection: update documentation with the mmc module param
2011-10-26 16:32:13 -04:00
fb
Documentation: Fix multiple typo in Documentation
2012-03-07 16:08:24 +01:00
filesystems
Merge branch 'akpm' (Andrew's patch-bomb)
2012-03-22 09:04:48 -07:00
firmware_class
firmware: Update hotplug script
2010-08-05 13:53:34 -07:00
frv
doc: fix broken references
2011-09-27 18:08:04 +02:00
hid
HID: Move hiddev.txt to the new Documentation/hid directory
2011-03-22 11:43:51 +01:00
hwmon
hwmon changes for v3.4
2012-03-21 10:37:25 -07:00
i2c
USB: ohci-nxp: Rename symbols from pnx4008 to nxp
2012-03-13 14:27:28 -07:00
i2o
Documentation: Fix multiple typo in Documentation
2012-03-07 16:08:24 +01:00
ia64
Fix common misspellings
2011-03-31 11:26:23 -03:00
ide
Documentation: Fix multiple typo in Documentation
2012-03-07 16:08:24 +01:00
infiniband
Documentation: update broken web addresses.
2010-08-04 15:21:40 +02:00
input
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2012-03-20 21:12:50 -07:00
ioctl
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2012-03-21 13:36:41 -07:00
isdn
doc: fix wrong arch/i386 references
2011-06-13 13:43:05 +02:00
ja_JP
Merge branch 'driver-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6
2011-07-25 23:06:24 -07:00
kbuild
Documentation: Fix multiple typo in Documentation
2012-03-07 16:08:24 +01:00
kdump
[S390] Add s390x description to Documentation/kdump/kdump.txt
2011-12-27 11:27:13 +01:00
ko_KR
driver-core: documentation: fix up Greg's email address
2012-02-15 14:48:01 -08:00
laptops
Documentation: thinkpad-acpi grammo fixes
2011-11-04 12:01:47 -07:00
leds
Documentation: fix leds-class.txt duplicated word
2011-11-04 12:01:48 -07:00
m68k
Documentation: add pointer to name_to_dev_t for root= values
2011-08-03 14:25:21 -10:00
make
kbuild: introduce HDR_ARCH_LIST for headers_install_all
2010-12-14 22:16:19 +01:00
mips
Fix common misspellings
2011-03-31 11:26:23 -03:00
misc-devices
Fix common misspellings
2011-03-31 11:26:23 -03:00
mmc
mmc: core: Fixup delayed work clock gating patch
2012-01-11 23:58:43 -05:00
mn10300
…
mtd
Documentation: update broken web addresses.
2010-08-04 15:21:40 +02:00
namespaces
…
netlabel
Documentation/: it's -> its where appropriate
2010-04-23 02:09:52 +02:00
networking
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
2012-03-21 13:25:04 -07:00
nfc
NFC: Driver for NXP Semiconductors PN544 NFC chip.
2011-01-13 08:03:19 -08:00
parisc
…
PCI
doc: fix broken references
2011-09-27 18:08:04 +02:00
pcmcia
pcmcia: use autoconfiguration feature for ioports and iomem
2010-09-29 17:20:24 +02:00
power
PM / Freezer / Docs: Document the beauty of freeze/thaw semantics
2012-02-09 23:55:49 +01:00
powerpc
Documentation/powerpc/mpc52xx.txt: Checkpatch cleanup
2012-03-18 23:59:34 +01:00
pps
pps: add parallel port PPS signal generator
2011-01-13 08:03:21 -08:00
prctl
…
pti
Kernel documentation for the PTI feature.
2011-05-13 16:31:00 -07:00
ptp
ptp: Added a brand new class driver for ptp clocks.
2011-05-23 13:01:00 -07:00
rapidio
RapidIO: documentation update
2011-11-02 16:07:02 -07:00
RCU
rcu: Call out dangers of expedited RCU primitives
2012-02-21 09:06:08 -08:00
s390
[S390] Remove Kerntypes leftovers
2011-12-27 11:27:12 +01:00
scheduler
sched: Remove sched_switch
2012-01-27 13:28:53 +01:00
scsi
Documentation: Fix multiple typo in Documentation
2012-03-07 16:08:24 +01:00
security
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
2012-03-21 13:25:04 -07:00
serial
serial/documentation: fix documented name of DCD cpp symbol
2012-01-04 16:26:32 -08:00
sh
sh: clkfwk: Kill off unused clk_set_rate_ex().
2010-11-15 18:25:12 +09:00
sound
Documentation: Fix multiple typo in Documentation
2012-03-07 16:08:24 +01:00
sparc
…
spi
spi: create a message queueing infrastructure
2012-03-07 19:19:48 -07:00
sysctl
Documentation: add missing tainted bits to Documentation/sysctl/kernel.txt
2012-02-06 16:29:19 -08:00
target
Documentation: Fix typo in tcm_mod_builder.py
2012-02-10 09:52:18 +01:00
telephony
Fix common misspellings
2011-03-31 11:26:23 -03:00
thermal
thermal: Rename generate_netlink_event
2012-01-23 03:15:25 -05:00
timers
doc: fix broken references
2011-09-27 18:08:04 +02:00
trace
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2012-03-20 21:12:50 -07:00
usb
Documentation: Fix Broken URL "freshmeat"
2012-02-21 11:43:45 +01:00
vDSO
Document the vDSO and add a reference parser
2011-07-14 17:57:09 -07:00
video4linux
Documentation: Fix multiple typo in Documentation
2012-03-07 16:08:24 +01:00
virtual
Documentation: Fix multiple typo in Documentation
2012-03-07 16:08:24 +01:00
vm
pagemap: document KPF_THP and make page-types aware of it
2012-03-21 17:54:57 -07:00
w1
Fix common misspellings
2011-03-31 11:26:23 -03:00
watchdog
Documentation: Fix typo in watchdog-kernel-api.txt
2012-02-21 11:40:34 +01:00
wimax
…
x86
x86-64, doc: Remove int 0xcc from entry_64.S documentation
2011-08-16 08:04:08 -07:00
zh_CN
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2012-03-20 21:04:47 -07:00
.gitignore
add random binaries to .gitignore
2010-04-08 11:34:34 +02:00
00-INDEX
Documentation: Fix broken URL "JF"
2012-02-21 11:44:14 +01:00
applying-patches.txt
…
atomic_ops.txt
doc: Add load/store guarantees to Documentation/atomic-ops.txt
2011-12-11 10:31:58 -08:00
bad_memory.txt
…
basic_profiling.txt
…
binfmt_misc.txt
Documentation: update broken web addresses.
2010-08-04 15:21:40 +02:00
braille-console.txt
…
bt8xxgpio.txt
…
btmrvl.txt
…
BUG-HUNTING
…
bus-virt-phys-mapping.txt
doc: fix broken references
2011-09-27 18:08:04 +02:00
cachetlb.txt
mm: convert mm->cpu_vm_cpumask into cpumask_var_t
2011-05-25 08:39:21 -07:00
Changes
Documentation/Changes: remove some really obsolete text
2011-07-11 16:48:38 -07:00
circular-buffers.txt
Document Linux's circular buffering capabilities
2010-03-24 16:31:22 -07:00
coccinelle.txt
coccinelle.txt: update documentation to include M= option
2012-01-14 22:25:56 +01:00
CodingStyle
Documentation: update CodingStyle use of braces
2011-11-04 12:01:47 -07:00
cpu-hotplug.txt
Fix common misspellings
2011-03-31 11:26:23 -03:00
cpu-load.txt
…
cputopology.txt
topology/sysfs: Provide book id and siblings attributes
2010-09-09 20:41:25 +02:00
dcdbas.txt
…
debugging-modules.txt
…
debugging-via-ohci1394.txt
…
dell_rbu.txt
Fix common misspellings
2011-03-31 11:26:23 -03:00
devices.txt
vhost-net: add module alias (v2.1)
2012-01-13 10:12:23 -08:00
digsig.txt
crypto: digital signature verification support
2011-11-09 12:10:37 +02:00
DMA-API-HOWTO.txt
Documentation/DMA-API-HOWTO.txt: fix misleading example
2011-07-26 16:49:45 -07:00
DMA-API.txt
include/linux/dma-mapping.h: add dma_zalloc_coherent()
2011-11-02 16:07:02 -07:00
DMA-attributes.txt
…
dma-buf-sharing.txt
dma-buf: Documentation update for Kconfig select
2012-01-13 10:27:33 +00:00
DMA-ISA-LPC.txt
…
dmaengine.txt
Documentation: Fix multiple typo in Documentation
2012-03-07 16:08:24 +01:00
dontdiff
[S390] Remove Kerntypes leftovers
2011-12-27 11:27:12 +01:00
dynamic-debug-howto.txt
dynamic_debug: process multiple debug-queries on a line
2012-01-24 12:50:36 -08:00
edac.txt
Merge branch 'for-linus2' of git://git.profusion.mobi/users/lucas/linux-2.6
2011-04-07 11:14:49 -07:00
eisa.txt
Fix common misspellings
2011-03-31 11:26:23 -03:00
email-clients.txt
Documentation: email-clients: Add better Thunderbird information
2011-08-13 18:34:03 -07:00
feature-removal-schedule.txt
Merge branch 'kmap_atomic' of git://github.com/congwang/linux
2012-03-21 09:40:26 -07:00
flexible-arrays.txt
flex_array: flex_array_prealloc takes a number of elements, not an end
2011-04-28 16:12:47 -04:00
futex-requeue-pi.txt
…
gcov.txt
…
gpio.txt
Revert "gpiolib: annotate gpio-intialization with __must_check"
2011-01-13 17:26:46 -08:00
highuid.txt
…
HOWTO
Documentation: Update stable address
2011-12-12 14:14:31 -08:00
hw_random.txt
…
hwspinlock.txt
hwspinlock/core: register a bank of hwspinlocks in a single API call
2011-09-21 19:45:34 +03:00
init.txt
…
initrd.txt
…
intel_txt.txt
Documentation: update broken web addresses.
2010-08-04 15:21:40 +02:00
Intel-IOMMU.txt
…
io_ordering.txt
…
io-mapping.txt
…
iostats.txt
Documentation/iostats.txt: bit-size reference etc.
2011-03-23 20:44:18 +01:00
IPMI.txt
IPMI: Add the document description of ipmi_get_smi_info
2010-12-14 00:22:00 -05:00
IRQ-affinity.txt
bitmap, irq: add smp_affinity_list interface to /proc/irq
2011-05-25 08:39:45 -07:00
IRQ-domain.txt
irq_domain: add documentation and MAINTAINERS entry.
2012-02-14 14:06:47 -07:00
IRQ.txt
…
irqflags-tracing.txt
Fix common misspellings
2011-03-31 11:26:23 -03:00
isapnp.txt
…
java.txt
…
kernel-doc-nano-HOWTO.txt
docbook: warn on unused doc entries
2010-09-11 16:49:21 -07:00
kernel-docs.txt
doc: fix broken references
2011-09-27 18:08:04 +02:00
kernel-parameters.txt
thp: documentation: 'transparent_hugepage=' can also be specified on cmdline
2012-03-21 17:54:57 -07:00
kmemcheck.txt
…
kmemleak.txt
kmemleak: Handle percpu memory allocation
2011-12-02 16:12:42 +00:00
kobject.txt
driver-core: documentation: fix up Greg's email address
2012-02-15 14:48:01 -08:00
kprobes.txt
tree-wide: fix comment/printk typos
2010-11-01 15:38:34 -04:00
kref.txt
kref: Fix typo in kref documentation
2011-03-07 13:20:05 -08:00
ldm.txt
Documentation: update broken web addresses.
2010-08-04 15:21:40 +02:00
local_ops.txt
…
lockdep-design.txt
lockdep: Update documentation for lock-class leak detection
2011-12-11 10:31:23 -08:00
lockstat.txt
Documentation: Add statistics about nested locks
2011-05-28 17:03:29 +02:00
lockup-watchdogs.txt
watchdog: Update documentation
2012-02-11 15:11:28 +01:00
logo.gif
…
logo.txt
…
magic-number.txt
drivers/net: fix up stale paths from driver reorg
2012-01-30 12:54:40 -05:00
Makefile
[media] Remove the old V4L1 v4lgrab.c file
2010-12-29 08:17:12 -02:00
ManagementStyle
…
mca.txt
doc: fix wrong arch/i386 references
2011-06-13 13:43:05 +02:00
md.txt
md: create externally visible flags for supporting hot-replace.
2011-12-23 10:17:51 +11:00
media-framework.txt
doc: fix broken references
2011-09-27 18:08:04 +02:00
memory-barriers.txt
doc: fix broken references
2011-09-27 18:08:04 +02:00
memory-hotplug.txt
memory hotplug: Allow memory blocks to span multiple memory sections
2011-02-03 16:08:57 -08:00
memory.txt
…
mono.txt
…
mutex-design.txt
mutex: Fix annotations to include it in kernel-locking docbook
2010-09-03 08:19:51 +02:00
nommu-mmap.txt
…
numastat.txt
Doc: Update numastat.txt
2012-02-28 16:05:06 +01:00
oops-tracing.txt
module,bug: Add TAINT_OOT_MODULE flag for modules not built in-tree
2011-11-07 07:54:42 +10:30
padata.txt
Documentation/padata.txt: fix typos etc.
2010-08-11 08:59:18 -07:00
parport-lowlevel.txt
…
parport.txt
…
pi-futex.txt
…
pinctrl.txt
pinctrl: fix some pinmux typos
2012-01-26 14:11:31 +01:00
pnp.txt
…
preempt-locking.txt
…
printk-formats.txt
Documentation: update printk-formats.txt
2011-06-15 21:52:50 -07:00
prio_tree.txt
…
ramoops.txt
Documentation: add Ramoops usage description
2011-08-13 18:34:03 -07:00
rbtree.txt
Documentation: Update augmented rbtree documentation
2011-07-24 10:03:05 -07:00
rfkill.txt
doc: fix broken references
2011-09-27 18:08:04 +02:00
robust-futex-ABI.txt
…
robust-futexes.txt
…
rt-mutex-design.txt
variable name fix to Documentation/rt-mutex-design.txt
2010-06-05 17:39:09 +02:00
rt-mutex.txt
…
rtc.txt
RTC: Fix up rtc.txt documentation to reflect changes to generic rtc layer
2011-03-09 11:25:10 -08:00
SAK.txt
…
SecurityBugs
Fix common misspellings
2011-03-31 11:26:23 -03:00
serial-console.txt
…
sgi-ioc4.txt
…
sgi-visws.txt
…
SM501.txt
…
sparse.txt
update email address
2010-07-19 10:56:54 +02:00
spinlocks.txt
Documentation/spinlocks.txt: Remove reference to sti()/cli()
2011-07-11 12:45:04 -07:00
stable_api_nonsense.txt
doc: stable_api_nonsense.txt: fix paragraph to make more sense.
2011-03-30 12:02:05 +02:00
stable_kernel_rules.txt
stable: update documentation to ask for kernel version
2012-01-24 10:50:22 -08:00
static-keys.txt
static keys: Add docs better explaining the whole 'struct static_key' mechanism
2012-02-24 09:12:19 +01:00
SubmitChecklist
Documentation/SubmitChecklist: add RCU debug config options
2011-07-25 20:57:17 -07:00
SubmittingDrivers
Documentation: SubmittingDrivers: fix Linus's git tree URL
2011-08-13 18:34:03 -07:00
SubmittingPatches
Documentation: fix spelling error in SubmittingPatches
2011-08-13 18:34:02 -07:00
svga.txt
…
sysfs-rules.txt
…
sysrq.txt
documentation: update sysrq.txt magic sysrq keys
2010-10-26 17:32:41 -07:00
unaligned-memory-access.txt
…
unicode.txt
…
unshare.txt
…
VGA-softcursor.txt
…
vgaarbiter.txt
misc latin1 to utf8 conversions
2012-01-02 13:04:55 +01:00
video-output.txt
…
volatile-considered-harmful.txt
Documentation/volatile-considered-harmful.txt: correct cpu_relax() documentation
2010-03-24 16:31:20 -07:00
workqueue.txt
workqueue: Document debugging tricks
2011-03-31 13:40:42 +02:00
xz.txt
decompressors: add XZ decompressor module
2011-01-13 08:03:24 -08:00
zorro.txt
…