staging: vt6655: Remove commented out if()s

Commented out code is just noise.  Remove them.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: vt6655: Remove unnecessary parentheses from returns

Returns aren't functions, remove the parentheses to be
more kernel style like.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: vt6655: Convert to kernel brace style

Move braces around to be more kernel like.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: vt6655: Remove commented out printks

These are just noise in the code so remove them.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: vt6656: remove code placeholders

Removed comments from coding template.
sed -i '/^\/\*---/d' drivers/staging/vt6656/*.[ch]

Signed-off-by: Andres More <more.andres@gmail.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: vt6656: removed custom 802.11 header usage

Removed struct tagS802_11Header, switching to struct ieee80211_hdr instead.
Checkpatch warnings and errors were not resolved.

Signed-off-by: Andres More <more.andres@gmail.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: vt6656: removed usage of custom Ethernet header

Removed struct tagSEthernetHeader, replacing with struct ethhdr.
Not all checkpatch errors and warnings were removed.

Signed-off-by: Andres More <more.andres@gmail.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: ste_rmi4: Make synaptics_rmi4_touchpad_config symbol static

'synaptics_rmi4_touchpad_config' is used only in this file.
Make it static. Silences the following sparse warning:
drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c:652:5: warning:
symbol 'synaptics_rmi4_touchpad_config' was not declared. Should it be static?

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Naveen Kumar G <naveen.gaddipati@stericsson.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: tidspbridge: rmgr: proc.c: fix checkpatch errors

fixes the following errors

ERROR: "foo * bar" should be "foo *bar"
+int proc_ctrl(void *hprocessor, u32 dw_cmd, struct dsp_cbdata * arg)

ERROR: "foo * bar" should be "foo *bar"
+int proc_get_trace(void *hprocessor, u8 * pbuf, u32 max_size)

ERROR: space prohibited after that '*' (ctx:ExW)
+                           * hnotification)
                                ^

ERROR: "foo * bar" should be "foo *bar"
+int proc_get_processor_id(void *proc, u32 * proc_id)

Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:tidspbridge: rmgr: fix checkpatch errors

fixes the following errors

ERROR: "foo ** bar" should be "foo **bar"
+int strm_free_buffer(struct strm_res_object *strmres, u8 ** ap_buffer,

ERROR: "foo ** bar" should be "foo **bar"
+int strm_reclaim(struct strm_object *stream_obj, u8 ** buf_ptr,

ERROR: space prohibited after that '*' (ctx:ExW)
+ * hnotification)
  ^

Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: olpc_dcon: return NOTIFY_DONE instead of the 0.

return a valid macro instead of 0 (as #define NOTIFY_DONE 0)
in the reboot callback

Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: nvec: fix the '&&' vs '&' typo in nvec_toggle_global_events()

Fix the '&&' vs '&' typo.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-By: Marc Dietrich <marvin24@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

imx_drm: ipu_v3: fix invalid free of devm_* allocated data

The objects allocated by devm_* APIs are managed by devres and are freed
when the device is detached. There is no need to use kfree() explicitly.

Signed-off-by: Silviu-Mihai Popescu <silviupopescu1990@gmail.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: android: lowmemorykiller: well-marked debug print

Add "lowmemorykiller:" prefix to the debug print so it's easier to
analyse LMK's debug output:
dmesg | grep lowmemorykiller

Signed-off-by: Dmitry Voytik <dvv.kernel@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers: android: binder: Use __func__ in debug messages

Debug messages sent in binder_deferred_release begin with
"binder_release:" which is a bit misleading as binder_release is not
directly part of the call stack. Use __func__ instead for debug messages
in binder_deferred_release.

Signed-off-by: Mirsal Ennaime <mirsal@mirsal.fr>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers: android: binder: Remove excessive indentation

Remove one level of indentation from the binder proc page release code
by using slightly different control semantics.

Signed-off-by: Mirsal Ennaime <mirsal@mirsal.fr>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers: android: binder: Fix code style in binder_deferred_release

 * Use tabs where applicable
 * Remove a few "80-columns" checkpatch warnings
 * Separate code paths with empty lines for readability

Signed-off-by: Mirsal Ennaime <mirsal@mirsal.fr>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers: android: binder: Move the node release code to a separate function

The binder_deferred_release() function has many levels of indentation
which makes it difficult to read. This patch moves the code which deals
with disposing of a binder node to a separate binder_node_release()
function, thus removing one level of indentation and allowing the code to
fit in 80 columns.

Signed-off-by: Mirsal Ennaime <mirsal@mirsal.fr>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Merge tag 'iio-for-3.10a' of git://git./linux/kernel/git/jic23/iio into staging-next

Jonathan writes:

First set of IIO new drivers and cleanup for the 3.10 cycle.

New stuff

1) Add OF support for specifying mappings between iio devices and their
   in kernel consumers.
2) Driver for AD7923 (extra functionality and support for ad7904, ad7914 and
   ad7924 added later in series)
3) Driver for Exynos adc (dt suppor for phy added later in series).
4) Make iio_push_event save IRQ context - necessary if it is to be used
   within an interrupt handler.  Users of this functionality to follow.
5) For iio use the device tree node name to provide the hwmon name attribute
   if available.

Removal and moves out of staging

1) Drop the adt7410 driver from IIO now that there is a hmwon driver with
   equivalent support. This device is very much targeted at hardware
   monitoring so hwmon is a more appropriate host for the driver.
2) Move iio_hwmon driver to drivers/hwmon.

Cleanups

1) Minor cleanup in ST common library.
2) Large set of patches to break the info_mask element which previously used
odd and even bits to specify if a channel attribute was either shared across
similar channels or specific to only one.  Now we have two bitmaps, one for
those parameters that are specific to this channel and one for those shared
by all channels with the same type as this one.  This has no effect on the
userspace abi. It simplifies the core code and provides more space for new
channel parameters. It has been on the todo list for a long time!

Conflicts:
drivers/iio/dac/ad5064.c

hwmon: Move the IIO client driver for hwmon out of staging

This driver uses channel maps, defined either through device tree
or platform data, to create a hwmon driver which acts as a client
for the underlying IIO device channels.  Thus a general purpose
IIO adc driver can be used to provide hardware monitoring using a subset
of its channels.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
--
 The only non move changes here concern the description and changes to the
 dependencies to IIO explicit and hwmon implicit.

 I'm proposing moving this into hwmon on the basis of placing drivers
 based on what they provide rather than what their underlying hardware
 is.

 drivers/hwmon/Kconfig           |   9 ++
 drivers/hwmon/Makefile          |   1 +
 drivers/hwmon/iio_hwmon.c       | 196 ++++++++++++++++++++++++++++++++++++++++
 drivers/staging/iio/Kconfig     |   8 --
 drivers/staging/iio/Makefile    |   2 -
 drivers/staging/iio/iio_hwmon.c | 196 ----------------------------------------
 6 files changed, 206 insertions(+), 206 deletions(-)

staging/iio: iio_hwmon: Use device tree node name for hwmon name attribute

So far, all instances of iio_hwmon set their hwmon name attribute
to "iio_hwmon", which is not very descriptive. Set it to the device tree
node name if available, and only revert to iio_hwmon otherwise.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

zram: fix zram_bvec_read duplicate dump failure message and stat accumulation

When zram decompress fails, the code unnecessarily dumps failure messages and
does stat accumulation in function zram_decompress_page(), this work is already
done in function zram_decompress_page, the patch skips the redundant work.

Signed-off-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: zcache: introduce zero filled pages handler

Introduce zero-filled pages handler to capture and handle zero pages.

Acked-by: Dan Magenheimer <dan.magenheimer@oracle.com>
Signed-off-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

zcache/TODO: Update on two items.

Two of them (zcache DebugFS cleanup) and the module loading
capability are now in linux-next for v3.10.

Also Bob Liu is full-time going to help on knocking these items
off the list.

CC: bob.liu@oracle.com
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:wroute: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:wpactl: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:wpa2: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:wpa: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:wmgr: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:wctl: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:wcmd: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:vntwifi: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:upc: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:ttype: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:tkip: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:tether: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:tcrc: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:srom: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:rxtx: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:rf: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:rc4: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:power: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:michael: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:mib: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:mac: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:key: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:iwctl: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:iowpa: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:ioctl: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:iocmd: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:hostap: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:dpc: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:device_main: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:device_cfg: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:device: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:desc: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:datarate: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:country: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:channel: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:card: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:bssdb: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:baseband: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:aes_ccmp: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:IEEE11h: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:80211mgr: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging:vt6655:80211hdr: Whitespace cleanups

Neatening only.
git diff -w shows no differences.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Merge 3.9-rc3 into staging-next

This resolves the merge error due to removing the ccg staging driver,
and picks up the other staging driver fixes that went into 3.9-rc3.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Linux 3.9-rc3

perf,x86: fix link failure for non-Intel configs

Commit 1d9d8639c063 ("perf,x86: fix kernel crash with PEBS/BTS after
suspend/resume") introduces a link failure since
perf_restore_debug_store() is only defined for CONFIG_CPU_SUP_INTEL:

arch/x86/power/built-in.o: In function `restore_processor_state':
(.text+0x45c): undefined reference to `perf_restore_debug_store'

Fix it by defining the dummy function appropriately.

Signed-off-by: David Rientjes <rientjes@google.com>
Cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

iio: adc: Add dt support for turning on the phy in exynos-adc

Without this change the exynos adc controller needed to have its phy
enabled in some out-of-driver C code.  Add support for specifying the
phy enable register by listing it in the reg list.

Signed-off-by: Doug Anderson <dianders@chromium.org>
Tested-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

perf,x86: fix wrmsr_on_cpu() warning on suspend/resume

Commit 1d9d8639c063 ("perf,x86: fix kernel crash with PEBS/BTS after
suspend/resume") fixed a crash when doing PEBS performance profiling
after resuming, but in using init_debug_store_on_cpu() to restore the
DS_AREA mtrr it also resulted in a new WARN_ON() triggering.

init_debug_store_on_cpu() uses "wrmsr_on_cpu()", which in turn uses CPU
cross-calls to do the MSR update.  Which is not really valid at the
early resume stage, and the warning is quite reasonable.  Now, it all
happens to _work_, for the simple reason that smp_call_function_single()
ends up just doing the call directly on the CPU when the CPU number
matches, but we really should just do the wrmsr() directly instead.

This duplicates the wrmsr() logic, but hopefully we can just remove the
wrmsr_on_cpu() version eventually.

Reported-and-tested-by: Parag Warudkar <parag.lkml@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

iio:adc:ad7923: Add support for the ad7904/ad7914/ad7924

The ad7924 is software compatible with the ad7923. The ad7904 and ad7914 are the
8 and 10 bit version of the ad7924.

While we are at it also drop the "with temperature sensor" from the Kconfig
entry, since the chips do not have a temperature sensor.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Cc: Patrick Vasseur <patrick.vasseur@c-s.fr>
Cc: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

iio:ad7923: Implement scale reporting

The driver already claims to support scale reporting in its channel spec, but
doesn't actually implement this yet. This patch uses the regulator API to get
the reference voltage and calculates the scale based on that. The patch also
moves the global configuration bits into a field in the ad7923_state struct,
since depending on the RANGE bit, the range goes either from 0 to VREF or from 0
to 2 * VREF. So we need to know the setting of the RANGE bit when calculating
the scale.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Cc: Patrick Vasseur <patrick.vasseur@c-s.fr>
Cc: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

iio:ad7923: Return error if we didn't get the expected result

Instead of leaving 'val' uninitialized return an error if the result's address
did not match that of the channel we were trying to read.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Cc: Patrick Vasseur <patrick.vasseur@c-s.fr>
Cc: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

using kfifo_in_spinlocked instead of separate code.

Signed-off-by: Ge Gao <ggao@invensense.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

iio: adc: Kconfig: exynos_adc depends on CONFIG_OF

As the exynos_adc driver only supports device tree registration.
Making driver depend on CONFIG_OF solves possible errors during probe.

Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

iio: events: Make iio_push_event() IRQ context save

Currently it is not save to call iio_push_event() from hard IRQ context since
the IIO event code uses spin_lock()/spin_unlock() and it is not save to mix
calls to spin_lock()/spin_unlock() from different contexts on the same lock.
E.g. if the lock is being held in iio_event_chrdev_read() and an interrupts
kicks in and the interrupt handler calls iio_push_event() we end uo with a
deadlock.

This patch updates iio_push_event() to use spin_lock_irqsave()/
spin_unlock_irqstrestore(), since it can be called from both IRQ and non-IRQ
context. All other other users of the lock, which are always run in non-IRQ
context, are updated to spin_lock_irq()/spin_unlock_irq().

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

iio:core drop info_mask from struct iio_info

This has been replaced by the pair of masks info_mask_separate
and info_mask_shared_by_type.  Other variants may follow.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>

staging:iio:adc:lpc32xx move to info_mask_(shared_by_type/separate)

The original info_mask is going away in favour of the broken out versions.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
cc: Roland Stigge <stigge@antcom.de>

staging:iio:adc:mxs move to info_mask_(shared_by_type/separate)

The original info_mask is going away in favour of the broken out versions.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Reviewed-by: Marek Vasut <marex@denx.de>

staging:iio:adc:spear move to info_mask_(shared_by_type/separate)

The original info_mask is going away in favour of the broken out versions.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Stefan Roese <sr@denx.de>

iio:adc:ad7923 move to info_mask_(shared_by_type/separate)

The original info_mask is going away in favour of the broken out versions.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
cc: Patrick Vasseur <patrick.vasseur@c-s.fr>
cc: Christophe Leroy <christophe.leroy@c-s.fr>

iio:adc:exynos move to info_mask_(shared_by_type/separate)

The original info_mask is going away in favour of the broken out versions.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>

staging:iio:resolver:ad2s90 move to info_mask_(shared_by_type/separate)

The original info_mask is going away in favour of the broken out versions.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>

staging:iio:resolver:ad2s1210 move to info_mask_(shared_by_type/separate)

The original info_mask is going away in favour of the broken out versions.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>

staging:iio:resolver:ad2s1200 move to info_mask_(shared_by_type/separate)

The original info_mask is going away in favour of the broken out versions.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>

staging:iio:meter:ade7758 move to info_mask_(shared_by_type/separate)

The original info_mask is going away in favour of the broken out versions.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>

staging:iio:magnetometer:hmc5843 move to info_mask_(shared_by_type/separate)

The original info_mask is going away in favour of the broken out versions.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
cc: Shubhrajyoti D <shubhrajyoti@ti.com>

staging:iio:mag:ak8975 move to info_mask_(shared_by_type/separate)

The original info_mask is going away in favour of the broken out versions.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
cc: Andrew Chew <achew@nvidia.com>

staging:iio:light:tsl2x7x move to info_mask_(shared_by_type/separate)

The original info_mask is going away in favour of the broken out versions.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
cc: Jon Brenner <jon.brenner@ams.com>

staging:iio:light:isl29028 move to info_mask_(shared_by_type/separate)

The original info_mask is going away in favour of the broken out versions.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Laxman Dewangan <ldewangan@nvidia.com>

staging:iio:light:isl29018 move to info_mask_(shared_by_type/separate)

The original info_mask is going away in favour of the broken out versions.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Rhyland Klein <rklein@nvidia.com>

staging:iio:impedance:ad5933 move to info_mask_(shared_by_type/separate)

The original info_mask is going away in favour of the broken out versions.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>

staging:iio:gyro:adis16130 move to info_mask_(shared_by_type/separate)

The original info_mask is going away in favour of the broken out versions.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>

staging:iio:gyro:adis16060 move to info_mask_(shared_by_type/separate)

The original info_mask is going away in favour of the broken out versions.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>

staging:iio:cdc:ad7746 move to info_mask_(shared_by_type/separate)

The original info_mask is going away in favour of the broken out versions.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>

staging:iio:cdc:ad7152 move to info_mask_(shared_by_type/separate)

The original info_mask is going away in favour of the broken out versions.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>

staging:iio:cdc:ad7150 move to info_mask_(shared_by_type/separate)

The original info_mask is going away in favour of the broken out versions.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>

staging:iio:adc:ad799x move to info_mask_(shared_by_type/separate)

The original info_mask is going away in favour of the broken out versions.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>

staging:iio:adc:ad7606 move to info_mask_(shared_by_type/separate)

The original info_mask is going away in favour of the broken out versions.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>