staging: brcm80211: cleaned up several softmac macro's

Moved, deleted or substituted macro's.

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: cleaned up softmac channel related macro's

Moved, deleted or substituted macro's.

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: macro cleanup in softmac ampdu.c

Moved, deleted or substituted macro's.

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: macro cleanup in softmac aiutils.h

Moved, deleted or substituted macro's.

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: removed redundant SI_INFO() macro from softmac

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: removed redundant macro's in softmac

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: use static qualifier for local symbols in brcmsmac

Cleanup resulted in merging several files and made several symbols
local to a source file. These were found by running sparse as it
gave the warning: symbol 'foo' was not declared. Should it be static?

Reported-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: remove sparse warnings from mac80211_if.c

Some changes have been made to get rid of sparse warnings in the
source file mac80211_if.c.

Reported-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: reduce sparse messages on brcmsmac sources

Running sparse over the driver sources showed 1356 sparse messages
and quite a number are due to missing __iomem attribute in some
places. This patch reduces the number significantly.

Reported-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: use static qualifier for local symbols in brcmfmac

Cleanup resulted in merging several files and made several symbols
local to a source file. These were found by running sparse as it
gave the warning: symbol 'foo' was not declared. Should it be static?

Reported-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: remove static function declaration in dhd_linux

Reshuffle function order in dhd_linux of fullmac to get rid of
static function declaration

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: remove static function declaration in bcmsdh_sdmmc

Reshuffle function order in bcmsdh_sdmmc of fullmac to get rid of
static function declaration

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: remove unused sdioh command type code in fullmac

sdioh command type is not used in brcmf_sdioh_request_word. This patch
removes the related code.

Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: remove unused sdioh data mode code in fullmac

sdioh data mode is not used in brcmf_sdioh_request_buffer. The patch
removes the related code.

Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: remove function wrapper of getting sb window address

The address stored in sdiodev can be used directly instead of using
the wrapper function brcmf_sdcard_cur_sbwad.

Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: remove duplicate set sb window address function

In fullmac, brcmf_sdbrcm_set_siaddr_window and brcmf_sdcard_set_sbaddr_window
have identical fucntionality. Remove the one in dhd_sdio.c

Reported-by: Rafal Milecki <zajec5@gmail.com>
Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: consolidate SHOW_EVENTS code under BCMDBG in fullmac

Use unify config marco for debug info. Related event debug print out can be
enabled/disabled by the dedicated event message level.

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: replaced fullmac BRCMF_PM_RESUME_WAIT macro with function

Code cleanup. Advantage is more readable code and better type checking.

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Reviewed-by: Franky Lin <frankyl@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: cleaned up fullmac macro BRCMF_PM_RESUME_RETURN_ERROR

Macros impacting the code flow are sort of frowned upon. No other macro's
in the source code impact the code flow. Replaced macro by function.

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Reviewed-by: Franky Lin <frankyl@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: remove static function prototypes from main.c

Function prototypes for static functions are not strictly needed and
considered unwanted by linux community. This patch reorders the
functions in brcmsmac/main.c and gets rid of the prototypes.

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: use min_t() instead of min()

Also eliminate a cast to int that could cause issues with very large values
of di->rxbufsize (as suggested by Dan Carpenter).

Signed-off-by: Henry Ptasinski <henryp@broadcom.com>
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: removed static function declarations in 3 files

nicpci.c, srom.c and stf.c

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: removed static function declarations in mac80211_if.c

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: removed static function declarations in dma.c

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: removed static function declarations in channel.c

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: removed static function declarations in antsel.c

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: removed static function declarations in ampdu.c

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: removed static function declarations in alloc.c

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: brcm80211: removed static function declarations in aiutils.c

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: rtl8192e: Fix various problems noted by smatch

Smatch reports the following problems:

  CHECK   drivers/staging/rtl8192e/rtllib_softmac.c
drivers/staging/rtl8192e/rtllib_softmac.c +3143 rtllib_softmac_free(4) info: redundant null check on ieee->pDot11dInfo calling kfree()

  CHECK   drivers/staging/rtl8192e/rtllib_module.c
drivers/staging/rtl8192e/rtllib_module.c +198 free_rtllib(6) info: redundant null check on ieee->pHTInfo calling kfree()

  CHECK   drivers/staging/rtl8192e/rtl819x_TSProc.c
drivers/staging/rtl8192e/rtl819x_TSProc.c +280 SearchAdmitTRStream(52) error: potential null derefence 'pRet'.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: rtl8192e: Fix smatch warnings regarding large arrays on stack

Smatch reports the follwing warnings:

  CHECK   drivers/staging/rtl8192e/rtllib_rx.c
drivers/staging/rtl8192e/rtllib_rx.c +552 RxReorderIndicatePacket(6) warn: 'prxbIndicateArray' puts 1024 bytes on stack

  CHECK   drivers/staging/rtl8192e/rtl819x_TSProc.c
drivers/staging/rtl8192e/rtl819x_TSProc.c +40 RxPktPendingTimeout(9) warn: 'stats_IndicateArray' puts 1024 bytes on stack

  CHECK   drivers/staging/rtl8192e/r8192E_phy.c
drivers/staging/rtl8192e/r8192E_phy.c +859 rtl8192_phy_SwChnlStepByStep(11) warn: function puts 797 bytes on stack

  CHECK   drivers/staging/rtl8192e/rtllib_rx.c
drivers/staging/rtl8192e/rtllib_rx.c +552 RxReorderIndicatePacket(6) warn: 'prxbIndicateArray' puts 1024 bytes on stack

These are fixed by adding the arrays in question as a union in a struct used
by nearly all routines.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: rtl8192e: Fix smatch error in r8192E_phy.c

Smatch reports the following:

  CHECK   drivers/staging/rtl8192e/r8192E_phy.c
drivers/staging/rtl8192e/r8192E_phy.c +940 rtl8192_phy_SwChnlStepByStep(92) error: potential null derefence 'CurrentCmd'.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: rtl8192e: Fix smatch warning in rtl819x_BAProc.c

Smatch outputs the following warning:

  CHECK   drivers/staging/rtl8192e/rtl819x_BAProc.c
drivers/staging/rtl8192e/rtl819x_BAProc.c +88 rtllib_ADDBA(12) warn: variable dereferenced before check 'ieee'

As ieee cannot be NULL at this point, remove all such checks.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: rtl8192e: Silence smatch info in r8192E_cmdpkt.c

Smatch outputs the following informational message:

  CHECK   drivers/staging/rtl8192e/r8192E_cmdpkt.c
drivers/staging/rtl8192e/r8192E_cmdpkt.c +419 cmpk_message_handle_rx(77) info: ignoring unreachable code.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: rtl8192e: Fix smatch warning in rtl_wx.c

Smatch reports the following warning:

  CHECK   drivers/staging/rtl8192e/rtl_wx.c

drivers/staging/rtl8192e/rtl_wx.c +262 r8192se_wx_set_radio(16) warn: inconsistent returns sem:&priv->wx_sem: locked (258) unlocked (262)

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: rtl8192e: Fix smatch info output for r8192E_dev.c

Smatch reports the following informational output:

  CHECK   drivers/staging/rtl8192e/r8192E_dev.c
drivers/staging/rtl8192e/r8192E_dev.c +2404 ActUpdateChannelAccessSetting(13) info: ignoring unreachable code.
drivers/staging/rtl8192e/r8192E_dev.c +2404 ActUpdateChannelAccessSetting(13) info: ignoring unreachable code.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: rtl8192e: Fix smatch error and warning in rtl_core.c

Smatch shows the following errors:

  CHECK   drivers/staging/rtl8192e/rtl_core.c
drivers/staging/rtl8192e/rtl_core.c +600 rtl8192_qos_activate(7) warn: variable dereferenced before check 'priv'
drivers/staging/rtl8192e/rtl_core.c +1345 rtl8192_init(40) warn: 'dev->irq' was not released on error
drivers/staging/rtl8192e/rtl_core.c +2120 rtl8192_alloc_rx_desc_ring(43) error: potential null derefence 'entry'.
drivers/staging/rtl8192e/rtl_core.c +3010 rtl8192_pci_probe(153) warn: 'pmem_start' was not released on error

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: rtl8192e: Remove dead code involving MOVE_INTO_HANDLER

File rtl_core.c contains the statement "#define MOVE_INTO_HANDLER". As a
result, everything inside an "ifndef MOVE_INTO_HANDLER" is dead code and
can be removed.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Staging: hv: Add support for >2 TB LUN in storage driver.

If a LUN larger than 2 TB is attached to a Linux VM on Hyper-V, we currently
report a maximum size of 2 TB. This patch resolves the issue in hv_storvsc.
Thanks to Robert Scheck <robert.scheck@etes.de> for reporting the issue.

Reported-by: Robert Scheck <robert.scheck@etes.de>
Signed-off-by: Mike Sterling <mike.sterling@microsoft.com>
Signed-off-by: K.Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio: ad7152: fix channel assignment for AD7153

In case the AD7153 is selected we need to make sure we provide channel info
for the first capacitance input in both single ended and differential
configuration.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:adc:ad7192: return len and fix out of range checking

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:adc:ad7192: add temp_scale attribute, change module description

Use KBUILD_MODNAME
Fix indention style

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:adc:ad7291: reset device and setup irq before it is enabled

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:adc:ad7291: fix channel mapping for event enables

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:adc:ad7291: introduce IIO_EVENT_CODE_EXTRACT_CHAN_TYPE and use accordingly

Fix channel type handling

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:adc:ad7291: fix mask bit generation

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:adc:ad7291: don't swab results twice and introduce more register defines

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:adc:ad7291: Add regulator, reference voltage and scale handling

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:adc:ad7291: Fix AD7291_T_SENSE_MASK

AD7291_T_SENSE_MASK must set bit-7.
Change definition style.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:adc:ad7291: Fix typos, change kconfig description and file header

Make clear the AD7291 is primarily an ADC, and not a temp sensor.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:adc:ad7291: fix channel mapping

ideally in_voltageX_raw should map to AD7291 VINX.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:accel:adis16209: Fix double registration of in_incli0_index

iio (null): tried to double register : in_incli0_index

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:imu: adis16400: Avoid using printk facility

use dev_info() instead.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:imu:adis16400 cleanups

a) remove irq is gpio requirement - No reason this needs to be true.
b) use actual part name in info message rather than adis16400 in all cases.
c) scrap use of IIO_CHAN to simplify move out of staging.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <Michael.Hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:adc:ad7291 bring into line with current abi + chan_spec conversion.

Also add some locking.

Some major changes to how this driver works.

For voltage channels it is currently either in single read mode or in
a monitor mode (events only). Could be much cleverer and allow
reading of any channels that happend to be monitored, but haven't
done that yet.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <Michael.Hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:adc:ad7152: Fix differential channel return value and increase delay.

In differential mode zero scale equals to 0x8000.
Increase readout delay by 1ms.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:adc:ad7152: Update sample rate, conversion time, digital filter handling

Rename attribute, use sampling_frequency instead.
Attribute now accepts values in Hz.
Delay readout accordingly.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:adc:ad7152: Add proper locking

Add proper locking.
Consistently use indio_dev.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:adc:ad7152: update scale handling

Add scale_available attribute.
fix ad7152_scale_table, values are not sorted descending.
Use IIO_VAL_INT_PLUS_NANO, to increase granularity.
Update scale handling accordingly.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:adc:ad7152: Miscellaneous fixes and touch-up

Remove unused define.
Introduce cached SETUP variables.
Wait until calibration finished. (Device returns to idle state)
IIO_CHAN_INFO_CALIBSCALE_SEPARATE use proper scales. (range 1.0 to 1.99999)
i2c_smbus word transactions expect low byte first, therefore swap bytes.
CAPDIFF is bit in SETUP not CFG.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:adc:ad7152: increase readability by introducing proper bit defines

Some other miscellaneous cleanup.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:adc:ad7152 bring more into line with abi.

Get rid of explicit writes to registers and conversion mode
control.

Couple of bits I'm unsure about.
* Do calibration modes self reset when done?  How do you tell they are
done?

* Should we poll the status register just to be sure we have a new conversion?

All done sans hardware.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <Michael.Hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:adc:ad7152 set correct number of channels for ad7153.

Has been broken for some time.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <Michael.Hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:adc:ad7152 use smbus read / write functions + checkpatch fixes

This is fine IF I  have read the data sheet correctly.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <Michael.Hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:adc:ad7150: Add support for the second interrupt strobe.

The AD7150 features two outputs that can be used as interrupt strobes
to the host processor. In order to receive all events independently,
both need to utilized.

Update copyright notice.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:adc:ad7150: remove conversion mode handling.

The AD7150 family of devices power up in continues conversion mode.
We can stay in this mode, unless power consumption becomes a real issue.
Actually the event generation as well as the running average
relies on continues conversion mode, so we better stay there.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:adc:ad7150: chan_spec conv + i2c_smbus commands + drop unused poweroff timeout control.

Minimal changes to code layout as going to do chan spec conversion shortly.
Otherwise, there are numerous code sharing opportunities in here and abi
elements that are uterly non compliant.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <Michael.Hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:dac:ad5791 chan spec conversion.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <Michael.Hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio: Differential channel handling - use explicit flag rather than types.

Straight forward change in the core, but required some drivers to not use
the IIO_CHAN macro as that doesn't allow setting this bit (and is
going away anyway). Hence the churn.

Tested on max1363 with a couple of supported parts.

V2: differential bit in code got 7 bits and direction 1. Reversed that.
Issue spotted by Michael - thanks!

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <Michael.Hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:add adaptive event types and missing extract_type macro.

I'm not entirely sure this is the right way to go. Suggestions of other
options welcome!

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio: Add capacitance type and average_raw chan info.

These are both needed for CAPADCs

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <Michael.Hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:naming in the EV_BIT macro fix.

Should always have been IIO_EV_DIR_MAX as that's what it actually controls.
Also reduced the number to 4 as not yet seen a case needing more and this
is not userspace visible anyway.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:attrs - make address a u64 to allow event codes to be used.

Makes unusual event related attributes look a lot more like the core ones.

V2: Make sure the utils that set these up can handle the codes.
V3: rebase

Reported-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio: rework of attribute registration.

This set also includes quite a number of bug fixes of particularly
remove functions.

Necessary due to issue pointed out in Bart Van Assche's patch:
docs/driver-model: Document device.groups

V2: Rebase due to patch reordering.
V3: Pull various error fixes and cleanups out into their own patches.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <Michael.Hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:events - new 64 bit code structure and push out drivers.

This costs us nothing in event storage (as we are carrying a 64 bit
timestamp in the structure) and gives us lots more room to play with.

Also allows for more channels which some parts need.

V2: Cleanup some loose ends (such as the switch with only one option now).

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio: Switch the channel masks to bitmaps so as to allow for more channels.

This is as light as possible on changes to current drivers.
Some drivers make assumptions that their masks fit in a single
long.  Given they were previously working this is clearly valid if
not tidy.

The max1363 is an example where there should be no such assumptions.

V2: Add the new ad5933

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <Michael.Hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:various move default scan mask setting after ring register or remove

The scan mask will be dynamically assigned in register, so don't
use it before that.

In adis16260 I've moved it as I know this driver has userspace code.
Same for sca3000 where it is cost free due to hardware buffer.
Can do that for the others, but in theory userspace code should always
have been checking these and setting them appropriately anyway!

V2: Clear default mask out of adis16400 as reported by Michael

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Reported-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Michael Hennerich <Michael.Hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:scan element types: introduce endian description to the data format.

If not set in chan_spec, cpu endianness used.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:Documentation sysfs-bus-iio add in and out prefixes

Also includes the inX -> in_voltageX and outX -> out_voltageX conversions.
To keep lines short quite a lot of supressing of directories was needed.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio: ABI rework - add in_ or out_ prefix to channnels

Also involves changing current inX outX to in_voltageX and out_voltageX

V2: squash users of the IIO_CHAN_OUT macro and get rid of it.
There are very few of these, so it is easier to fix them.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <Michael.Hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:various cleanup regulator use paths.

No way iio_device_allocate or iio_device_unregister effected
by regulators so copying tricks not needed.

This is really about regularizing the layout of drivers.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:fix using iio_priv or iio_dev after iio_unregister_device

This includes calling iio_free_device as that should only be called
before the device has been registered.

Also one case of iio_free_device being called on a registered device.

This has been pulled out of the reworking attributes patch.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:light:tsl2563 remove unused headers.

Guessing this is some ancient cut and paste issue.

Signed-off-by: Jonathan Cammeron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:light:tsl2563 remove use of IIO_CHAN macro and make use modifier defines.

This avoids issues in the new event code introduced shortly + makes
moving this one out of staging easier.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio: push "sysfs.h" and linux/irq.h out of iio.h

These are no longer needed.
Requires a few driver updates for places "sysfs.h" should have been
present but wasn't.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:buffering cleanup ring_buffer_register_ex naming.

Now the old method is long gone, lets get rid of the _ex and whilst
here remove the unused id parameter.

Trivial mechanical change, but will break any out of tree drivers
using this.

V2: rebase
V3: rebase

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:buffering drag some stray docs back to correct place.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio: struct iio_dev formatting cleanup and documentation fixes.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio:trivial add a string array for IIO_RAW and IIO_PROCESSED.

Introduce IIO_RAW and IIO_PROCESSED and an array for their strings.
Also move one function to just above where it is called.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio: fix typo

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio: remove orphaned function definition.

I have no idea what this was, or what it did, but it doesn't
do it any more.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio: remove defunct iio_put and iio_get.

All iio dependent modules statically depend on industrialio
so these aren't needed. Not sure why they originally existed,
but they aren't now.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio: use ida_simple_get and ida_simple_remove + merge ids

Use new simple ida allocation functions to remove some boilerplate
code.

Also, now we only have one chdev per device we don't need to maintain
a separate ida for minor numbers. Just use the devices id.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging:iio: remove broken support for multiple event interfaces.

We don't have a use case for these.  Two drivers appeared to use them
but both report all events on the first.

V2: Remove now irrelevant comment.
V3: Include fixup for adc/ad7280a.c

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: iio: Documentation sysfs-bus-iio update for chrdev merge.

A few element in here have been wrong for some time so cleaned them
up whilst here.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: iio: remove now defunct header definitions and add some statics

Now we have combined all chrdevs into one, some bits and bobs are only
needed in industrialio-core.c and don't need to be in the core header.

Also remove some unused defines.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: iio: push the main buffer chrdev down to the top level.

Sorry all, this one is very invasive, though the driver changes are
just trivial interface fixes. Not all done yet.

V2 - bring the sca3000 with us.
V3 - fix ade7758 bugs in conversion.
V4 - add ad5933

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: iio: squash chrdev handler remains into users.

This no longer has any purpose given all chrdevs are pretty much the same
now the event interfaces are done via anon fds

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: iio: remove specific chrdev for event reading. Get fd from ioctl on buffer.

Change suggested by Arnd Bergmann.

No real reason to have two chrdevs per device. This step merges them into one.
Currently this means that events will only work on devices with buffers. THat will
be remedied shortly.

V2: set name for event attribute groups.  Otherwise they all sorts of fun occurs on
dynamic channel event attribute creation.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

staging: iio: chrdev.h rationalization.

Push some functions out of header and include this where it is needed
in other headers only.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>