firefly-linux-kernel-4.4.55.git
9 years agostaging: vt6655: s_cbFillTxBufHead remove parameter *pPacket
Malcolm Priestley [Sat, 29 Nov 2014 00:02:02 +0000 (00:02 +0000)]
staging: vt6655: s_cbFillTxBufHead remove parameter *pPacket

skb->data is available locally so use that instead.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: vt6655: s_cbFillTxBufHead remove unused parameter *puMACfragNum
Malcolm Priestley [Sat, 29 Nov 2014 00:02:01 +0000 (00:02 +0000)]
staging: vt6655: s_cbFillTxBufHead remove unused parameter *puMACfragNum

*puMACfragNum was part of old legacy functions.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: vt6655: remove unused typedef struct tagSSromReg
Malcolm Priestley [Sat, 29 Nov 2014 00:02:00 +0000 (00:02 +0000)]
staging: vt6655: remove unused typedef struct tagSSromReg

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: vt6655: srom remove dead functions
Malcolm Priestley [Sat, 29 Nov 2014 00:01:59 +0000 (00:01 +0000)]
staging: vt6655: srom remove dead functions

Remove these unused functions
SROMbWriteEmbedded
SROMvRegBitsOn
SROMvRegBitsOff
SROMbIsRegBitsOn
SROMbIsRegBitsOff
SROMvWriteAllContents
SROMvWriteEtherAddress
SROMvReadSubSysVenId
SROMbAutoLoad

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: vt6655: remove duplicate MACvSetPacketFilter
Malcolm Priestley [Sat, 29 Nov 2014 00:01:58 +0000 (00:01 +0000)]
staging: vt6655: remove duplicate MACvSetPacketFilter

Packet filtering is already done in vnt_configure.

A call to MACvSetPacketFilter is not necessary in MACvInitialize as
this will be done by vnt_configure when interface is up.

Also remove macros associated with this function.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: panel: Move LCD-related state into struct lcd
Mariusz Gorski [Thu, 27 Nov 2014 21:36:53 +0000 (22:36 +0100)]
staging: panel: Move LCD-related state into struct lcd

Move more or less all LCD-related state into struct lcd
in order to get better cohesion; use bool instead of int
where it makes sense.

Signed-off-by: Mariusz Gorski <marius.gorski@gmail.com>
Acked-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: panel: Remove more magic number comparison
Mariusz Gorski [Thu, 27 Nov 2014 21:36:52 +0000 (22:36 +0100)]
staging: panel: Remove more magic number comparison

Use a defined value instead of magic number comparison
for checking whether a module param value has been set.

Signed-off-by: Mariusz Gorski <marius.gorski@gmail.com>
Acked-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: panel: Refactor LCD init code
Mariusz Gorski [Thu, 27 Nov 2014 21:36:51 +0000 (22:36 +0100)]
staging: panel: Refactor LCD init code

Rework lcd_init method to make it a little bit more clear about
the precedence of the params, move LCD geometry and pins layout
to the LCD struct and thus make the LCD-related module params
effectively read-only.

Signed-off-by: Mariusz Gorski <marius.gorski@gmail.com>
Acked-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: panel: Make two more module params read-only
Mariusz Gorski [Thu, 27 Nov 2014 21:36:50 +0000 (22:36 +0100)]
staging: panel: Make two more module params read-only

Make keypad_type and lcd_type module params read-only.
This step also starts making it more clear what is
the precedence of device params coming from different
sources (device profile, runtime module param values etc).

Signed-off-by: Mariusz Gorski <marius.gorski@gmail.com>
Acked-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: panel: Start making module params read-only
Mariusz Gorski [Thu, 27 Nov 2014 21:36:49 +0000 (22:36 +0100)]
staging: panel: Start making module params read-only

Start decoupling module params from the actual device state,
both for lcd and keypad, by keeping the params read-only
and moving the device state to related structs.

Signed-off-by: Mariusz Gorski <marius.gorski@gmail.com>
Acked-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: panel: Use defined value or checking module params state
Mariusz Gorski [Thu, 27 Nov 2014 21:36:48 +0000 (22:36 +0100)]
staging: panel: Use defined value or checking module params state

Avoid magic number and use a comparison with a defined value instead
that checks whether module param has been set by the user to some
value at loading time.

Signed-off-by: Mariusz Gorski <marius.gorski@gmail.com>
Acked-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: panel: Remove magic numbers
Mariusz Gorski [Thu, 27 Nov 2014 21:36:47 +0000 (22:36 +0100)]
staging: panel: Remove magic numbers

Get rid of magic numbers indicating that the value of a module param
is not set. Use a defined value instead.

Signed-off-by: Mariusz Gorski <marius.gorski@gmail.com>
Acked-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: panel: Call init function directly
Mariusz Gorski [Thu, 27 Nov 2014 21:36:46 +0000 (22:36 +0100)]
staging: panel: Call init function directly

Remove useless function and let the kernel call the actual
init function directly.

Signed-off-by: Mariusz Gorski <marius.gorski@gmail.com>
Acked-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: panel: Set default parport module param value
Mariusz Gorski [Thu, 27 Nov 2014 21:36:45 +0000 (22:36 +0100)]
staging: panel: Set default parport module param value

Set default parport module param value to DEFAULT_PARPORT so that
a if-block can be avoided.

Signed-off-by: Mariusz Gorski <marius.gorski@gmail.com>
Acked-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: octeon: Fix checkpatch 80 character limit warnings
Luis de Bethencourt [Fri, 28 Nov 2014 13:34:29 +0000 (14:34 +0100)]
staging: octeon: Fix checkpatch 80 character limit warnings

Fixing 80 character limit warnings in octeon/ethernet-rx.c

Signed-off-by: Luis de Bethencourt <luis@debethencourt.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: adl_pci9118: eliminate DMA buffer defragmentation step
Ian Abbott [Thu, 27 Nov 2014 11:37:19 +0000 (11:37 +0000)]
staging: comedi: adl_pci9118: eliminate DMA buffer defragmentation step

The DMA operations used by the driver may have been set up to acquire
data from unwanted channels in addition to the wanted channels.
Currently, `interrupt_pci9118_ai_dma()` calls `defragment_dma_buffer()`
to move all the wanted data to the start of the DMA buffer and then
calls `comedi_buf_write_samples()` to copy it all to the comedi async
buffer.  Those two functions used to be called from
`move_block_from_dma()` which was absorbed into
`interrupt_pci9118_ai_dma()`.

Reinstate `move_block_from_dma()` but rewrite it to copy data directly
from the wanted fragments of the DMA buffer to the comedi async buffer
without defragmenting the buffer first.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: adl_pci9118: try and avoid unnecessary DMA restart
Ian Abbott [Thu, 27 Nov 2014 11:37:18 +0000 (11:37 +0000)]
staging: comedi: adl_pci9118: try and avoid unnecessary DMA restart

`interrupt_pci9118_ai_dma()` is called on interrupt to transfer data
from DMA buffers into the comedi async data buffer.  Currently it always
restarts DMA.  If double buffering, it restarts DMA on the next DMA
buffer before processing the current DMA buffer, otherwise it restarts
DMA on the same DMA buffer after it has been processed.

For single buffering we can avoid restarting the DMA transfer by
checking the async event flags after the current buffer has been
processed, which is easy.

For double buffering, we need to know how many valid samples there are
in the current buffer before it has been processed and determine whether
there is enough to complete the acquisition.  Call new function
`valid_samples_in_act_dma_buf()` to determine the number of valid
samples in the current DMA buffer, and compare that with the result of
`comedi_nsamples_left()` to determine if DMA needs to be restarted.
(`comedi_nsamples_left()` needs an upper bound to clamp to, so use the
number of valid samples in the DMA buffer plus one for our test.)

It is still possible for DMA to be restarted unnecessarily in the double
buffer case if a `COMEDI_CB_OVERFLOW` event occurs while copying to the
comedi async buffer, but it doesn't really matter.  The ongoing DMA
operation will get disabled when the subdevice's `cancel()` handler is
called when the events are handled later in the interrupt service
routine (as it does currently).

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: adl_pci9118: simplify interrupt_pci9118_ai_dma() a bit
Ian Abbott [Thu, 27 Nov 2014 11:37:17 +0000 (11:37 +0000)]
staging: comedi: adl_pci9118: simplify interrupt_pci9118_ai_dma() a bit

Eliminate the `next_dma_buf` variable in `interrupt_pci9118_ai_dma()`.
It holds the next value of `devpriv->dma_actbuf` when double buffering
is used, but we can just set that to the next value directly at the
point where the buffers are switched as the old value is not used
anywhere else.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: rtl8188eu: hal: hal_intf.c: Cleaning up functions that are not used anywhere
Rickard Strandqvist [Tue, 2 Dec 2014 22:33:29 +0000 (23:33 +0100)]
staging: rtl8188eu: hal: hal_intf.c: Cleaning up functions that are not used anywhere

Removes some functions that are not used anywhere.
rtw_hal_interrupt_handler() rtw_hal_sreset_get_wifi_status()

This was partially found by using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: rtl8188eu: usb_dvobj_init(): A NULL pointer check for usb_host_endpoints...
Jes Sorensen [Mon, 1 Dec 2014 20:20:58 +0000 (15:20 -0500)]
staging: rtl8188eu: usb_dvobj_init(): A NULL pointer check for usb_host_endpoints makes no sense

struct usb_host_interface points to an array of
struct usb_host_endpoints - it makes no sense to do a NULL pointer
check for each pointer.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging:drivers:staging:rtl8188eu:hal:rtl8188e_hal_init.c: Added a blank line after...
Anjana Sasindran [Fri, 28 Nov 2014 16:39:09 +0000 (22:09 +0530)]
staging:drivers:staging:rtl8188eu:hal:rtl8188e_hal_init.c: Added a blank line after declaration

This patch fix a checkpatch.pl warning

WARNING:Missing blank line after declaration

Signed-off-by: Anjana Sasindran <anjanasasindran123@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agoMerge 3.18-rc7 into staging-work.
Greg Kroah-Hartman [Wed, 3 Dec 2014 00:20:59 +0000 (16:20 -0800)]
Merge 3.18-rc7 into staging-work.

We want those staging fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agoLinux 3.18-rc7
Linus Torvalds [Mon, 1 Dec 2014 00:42:27 +0000 (16:42 -0800)]
Linux 3.18-rc7

9 years agoMerge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Linus Torvalds [Mon, 1 Dec 2014 00:21:37 +0000 (16:21 -0800)]
Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux

Pull drm fixes from Dave Airlie:
 "Two i915 regressions and one dual-gpu laptop radeon fix"

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm/radeon: report disconnected for LVDS/eDP with PX if ddc fails
  drm/i915: Cancel vdd off work before suspend
  drm/i915: Ignore SURFLIVE and flip counter when the GPU gets reset

9 years agobtrfs: zero out left over bytes after processing compression streams
Chris Mason [Sun, 30 Nov 2014 13:56:33 +0000 (08:56 -0500)]
btrfs: zero out left over bytes after processing compression streams

Don Bailey noticed that our page zeroing for compression at end-io time
isn't complete.  This reworks a patch from Linus to push the zeroing
into the zlib and lzo specific functions instead of trying to handle the
corners inside btrfs_decompress_buf2page

Signed-off-by: Chris Mason <clm@fb.com>
Reviewed-by: Josef Bacik <jbacik@fb.com>
Reported-by: Don A. Bailey <donb@securitymouse.com>
cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
9 years agoMerge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sat, 29 Nov 2014 18:49:24 +0000 (10:49 -0800)]
Merge branch 'irq-urgent-for-linus' of git://git./linux/kernel/git/tip/tip

Pull irq fixes from Thomas Gleixner:
 "Three fixlets from the ARM SoC camp:
   - correct irqdomain initialization for atmel-aic
   - correct error handling for device tree parsing in bcm controllers"

* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip: brcmstb-l2: Fix error handling of irq_of_parse_and_map
  irqchip: bcm7120-l2: Fix error handling of irq_of_parse_and_map
  irqchip: atmel-aic: Fix irqdomain initialization

9 years agoMerge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Linus Torvalds [Sat, 29 Nov 2014 18:15:31 +0000 (10:15 -0800)]
Merge tag 'scsi-fixes' of git://git./linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "This is a set of ten fixes: 8 for UFS including four static checker
  warnings, a potential null deref in the voltage regulator code, a race
  on module unload, a ref counting fix on the well known LUNs which made
  it impossible to remove the ufs module and fix to correct the
  information in pwr_info.

  In addition to UFS, there's a blacklist for the Intel Multi-Flex array
  which chokes on report supported operation codes and a fix to an oops
  in bnx2fc caused by shared skbs"

[ For us non-SCSI people: "UFS" here is "Universal Flash Storage" not
  the filesystem.  - Linus ]

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  ufs: fix NULL dereference when no regulators are defined
  ufs: ensure clk gating work is finished before module unloading
  scsi: ufs: fix static checker warning in ufshcd_parse_clock_info
  scsi: ufs: fix static checker warning in __ufshcd_setup_clocks
  scsi: ufs: fix static checker warning in ufshcd_populate_vreg
  scsi: ufs: fix static checker errors in ufshcd_system_suspend
  ufs: fix power info after link start-up
  ufs: fix reference counting of W-LUs
  scsi: add Intel Multi-Flex to scsi scan blacklist
  bnx2fc: do not add shared skbs to the fcoe_rx_list

9 years agoMerge tag 'staging-3.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh...
Linus Torvalds [Sat, 29 Nov 2014 00:08:09 +0000 (16:08 -0800)]
Merge tag 'staging-3.18-rc7' of git://git./linux/kernel/git/gregkh/staging

Pull staging/IIO driver fixes from Greg KH:
 "Here are some staging and IIO driver fixes for 3.18-rc7 that resolve a
  number of reported issues, and a new device id for a staging wireless
  driver.

  All of these have been in linux-next"

* tag 'staging-3.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  staging: r8188eu: Add new device ID for DLink GO-USB-N150
  staging: r8188eu: Fix scheduling while atomic error introduced in commit fadbe0cd
  iio: accel: bmc150: set low default thresholds
  iio: accel: bmc150: Fix iio_event_spec direction
  iio: accel: bmc150: Send x, y and z motion separately
  iio: accel: bmc150: Error handling when mode set fails
  iio: gyro: bmg160: Fix iio_event_spec direction
  iio: gyro: bmg160: Send x, y and z motion separately
  iio: gyro: bmg160: Don't let interrupt mode to be open drain
  iio: gyro: bmg160: Error handling when mode set fails
  iio: adc: men_z188_adc: Add terminating entry for men_z188_ids
  iio: accel: kxcjk-1013: Fix kxcjk10013_set_range
  iio: Fix IIO_EVENT_CODE_EXTRACT_DIR bit mask

9 years agoMerge tag 'tty-3.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Linus Torvalds [Sat, 29 Nov 2014 00:03:24 +0000 (16:03 -0800)]
Merge tag 'tty-3.18-rc7' of git://git./linux/kernel/git/gregkh/tty

Pull tty/serial fix from Greg KH:
 "Here is a single revert for the of-serial driver that resolves a
  reported issue.

  This revert has been in linux-next for a while"

* tag 'tty-3.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  Revert "serial: of-serial: add PM suspend/resume support"

9 years agoMerge tag 'usb-3.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Linus Torvalds [Fri, 28 Nov 2014 23:55:14 +0000 (15:55 -0800)]
Merge tag 'usb-3.18-rc7' of git://git./linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are some USB driver fixes and new device ids for 3.18-rc7.

  Full details are in the shortlog, and all of these have been in the
  linux-next tree for a while"

* tag 'usb-3.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  usb-quirks: Add reset-resume quirk for MS Wireless Laser Mouse 6000
  usb: xhci: rework root port wake bits if controller isn't allowed to wakeup
  USB: xhci: Reset a halted endpoint immediately when we encounter a stall.
  Revert "xhci: clear root port wake on bits if controller isn't wake-up capable"
  USB: xhci: don't start a halted endpoint before its new dequeue is set
  USB: uas: Add no-uas quirk for Hitachi usb-3 enclosures 4971:1012
  USB: ssu100: fix overrun-error reporting
  USB: keyspan: fix overrun-error reporting
  USB: keyspan: fix tty line-status reporting
  usb: serial: ftdi_sio: add PIDs for Matrix Orbital products
  usb: dwc3: ep0: fix for dead code
  USB: serial: cp210x: add IDs for CEL MeshConnect USB Stick

9 years agoMerge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux...
Linus Torvalds [Fri, 28 Nov 2014 22:00:33 +0000 (14:00 -0800)]
Merge branch 'fixes' of git://git./linux/kernel/git/evalenti/linux-soc-thermal

Pull thermal fixes from Eduardo Valentin:
 "In this -rc still very minor changes:

   - Lee Jones fixes compilation warning in sti thermal driver
   - Marjus Elfring removes unnecessary checks in exynos thermal driver
     (as per coccinelle)
   - Now we always update cpufreq policies, and thus get (hopefully)
     always in sync with cpufreq, thanks to Yadwinder"

* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal:
  thermal: Exynos: Deletion of unnecessary checks before two function calls
  thermal: sti: Ignore suspend/resume functions when !PM_SLEEP
  thermal: cpu_cooling: Update always cpufreq policy with thermal constraints

9 years agoMerge tag 'sound-3.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai...
Linus Torvalds [Fri, 28 Nov 2014 21:54:53 +0000 (13:54 -0800)]
Merge tag 'sound-3.18-rc7' of git://git./linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "No excitement, here are only minor fixes: an endian fix for the new
  DSD format we added in 3.18, a fix for HP mute LED, and a fix for
  Native Instrument quirk"

* tag 'sound-3.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: pcm: Add big-endian DSD sample formats and fix XMOS DSD sample format
  ALSA: hda - One more HP machine needs to change mute led quirk
  ALSA: usb-audio: Use snd_usb_ctl_msg() for Native Instruments quirk

9 years agoMerge tag 'armsoc-for-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Linus Torvalds [Fri, 28 Nov 2014 21:34:32 +0000 (13:34 -0800)]
Merge tag 'armsoc-for-rc7' of git://git./linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Arnd Bergmann:
 "Not much interesting going on fixes-wise for us this week, as it
  should be for an -rc7.  I'm not expecting Olof to work much over
  Thanksgiving weekend, so I decided to take over again and push these
  out to you.

  Just four simple fixes this week:

   - one missing of_node_put() on armv7 based mvebu
   - forcing the USB host into the right mode on Chromebook
     (exynos5-snow)
   - enabling two important drivers for exynos_defconfig
   - fixing a noncritical bug for tegra that would cause a regression
     with common code patches queued for 3.19"

* tag 'armsoc-for-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: tegra: irq: fix buggy usage of irq_data irq field
  ARM: exynos_defconfig: Enable max77802 rtc and clock drivers
  ARM: dts: Explicitly set dr_mode on exynos5250-snow
  ARM: mvebu: add missing of_node_put() call in coherency.c

9 years agoMerge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm
Linus Torvalds [Fri, 28 Nov 2014 21:32:47 +0000 (13:32 -0800)]
Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm

Pull ARM fixes from Russell King:
 "Another round of relatively small ARM fixes.

  Thomas spotted that the strex backoff delay bit was a disable bit, so
  it needed to be clear for this to work.  Vladimir spotted that using a
  restart block for the cache flush operation would return -EINTR, which
  userspace was not expecting.  Dmitry spotted that the auxiliary
  control register accesses for Xscale were not correct"

* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
  ARM: 8226/1: cacheflush: get rid of restarting block
  ARM: 8222/1: mvebu: enable strex backoff delay
  ARM: 8216/1: xscale: correct auxiliary register in suspend/resume

9 years agoMerge tag 'drm-intel-fixes-2014-11-27' of git://anongit.freedesktop.org/drm-intel...
Dave Airlie [Fri, 28 Nov 2014 03:56:31 +0000 (13:56 +1000)]
Merge tag 'drm-intel-fixes-2014-11-27' of git://anongit.freedesktop.org/drm-intel into drm-fixes

Two regression fixes from Ville.

* tag 'drm-intel-fixes-2014-11-27' of git://anongit.freedesktop.org/drm-intel:
  drm/i915: Cancel vdd off work before suspend
  drm/i915: Ignore SURFLIVE and flip counter when the GPU gets reset

9 years agoMerge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Linus Torvalds [Fri, 28 Nov 2014 02:32:49 +0000 (18:32 -0800)]
Merge branch 'upstream' of git://git.linux-mips.org/ralf/upstream-linus

Pull mips fixes from Ralf Baechle:
 "The hopefully final round of fixes for 3.18:

   - Fix a number of build errors affecting particular configurations.
   - Handle EVA correctly when flushing a signal trampoline and dcache
     lines.
   - Fix printks printing jibberish.
   - Handle 64 bit memory addresses correctly when adding memory chunk
     on 32 bit kernels.
   - Fix a race condition in the hardware tablewalker code"

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
  MIPS: tlbex: Fix potential HTW race on TLBL/M/S handlers
  MIPS: Fix address type used for early memory detection.
  MIPS: Kconfig: Don't allow both microMIPS and SmartMIPS to be selected.
  MIPS: kernel: cps-vec: Set ISA level to mips32r2 for the MIPS MT ASE
  MIPS: Netlogic: handle modular AHCI builds
  MIPS: Netlogic: handle modular USB case
  MIPS: Loongson: Make platform serial setup always built-in.
  MIPS: fix EVA & non-SMP non-FPU FP context signal handling
  MIPS: cpu-probe: Set the FTLB probability bit on supported cores
  MIPS: BMIPS: Fix ".previous without corresponding .section" warnings
  MIPS: uaccess.h: Fix strnlen_user comment.
  MIPS: r4kcache: Add EVA case for protected_writeback_dcache_line
  MIPS: Fix info about plat_setup in arch_mem_init comment
  MIPS: rtlx: Remove KERN_DEBUG from pr_debug() arguments in rtlx.c
  MIPS: SEAD3: Fix LED device registration.
  MIPS: Fix a copy & paste error in unistd.h

9 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux
Linus Torvalds [Fri, 28 Nov 2014 02:23:41 +0000 (18:23 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/mpe/linux

Pull powerpc fixes from Michael Ellerman:
 "Here are five fixes for you to pull please.

  They're all CC'ed to stable except the "Fix PE state format" one which
  went in this release"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux:
  powerpc: 32 bit getcpu VDSO function uses 64 bit instructions
  powerpc/powernv: Replace OPAL_DEASSERT_RESET with EEH_RESET_DEACTIVATE
  powerpc/eeh: Fix PE state format
  powerpc/pseries: Fix endiannes issue in RTAS call from xmon
  powerpc/powernv: Fix the hmi event version check.

9 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
Linus Torvalds [Fri, 28 Nov 2014 02:19:25 +0000 (18:19 -0800)]
Merge git://git./linux/kernel/git/davem/sparc

Pull sparc fixlet from David Miller:
 "Aparc fix to add dma_cache_sync(), even if a nop it should be provided
  if dma_{alloc,free}_noncoherent() is provided too"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
  sparc: Add NOP dma_cache_sync() implementation.

9 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Linus Torvalds [Fri, 28 Nov 2014 02:05:05 +0000 (18:05 -0800)]
Merge git://git./linux/kernel/git/davem/net

Pull networking fixes from David Miller:
 "Several small fixes here:

   1) Don't crash in tg3 driver when the number of tx queues has been
      configured to be different from the number of rx queues.  From
      Thadeu Lima de Souza Cascardo.

   2) VLAN filter not disabled properly in promisc mode in ixgbe driver,
      from Vlad Yasevich.

   3) Fix OOPS on dellink op in VTI tunnel driver, from Xin Long.

   4) IPV6 GRE driver WCCP code checks skb->protocol for ETH_P_IP
      instead of ETH_P_IPV6, whoops.  From Yuri Chislov.

   5) Socket matching in ping driver is buggy when packet AF does not
      match socket's AF.  Fix from Jane Zhou.

   6) Fix checksum calculation errors in VXLAN due to where the
      udp_tunnel6_xmit_skb() helper gets it's saddr/daddr from.  From
      Alexander Duyck.

   7) Fix 5G detection problem in rtlwifi driver, from Larry Finger.

   8) Fix NULL deref in tcp_v{4,6}_send_reset, from Eric Dumazet.

   9) Various missing netlink attribute verifications in bridging code,
      from Thomas Graf.

  10) tcp_recvmsg() unconditionally calls ipv4 ip_recv_error even for
      ipv6 sockets, whoops.  Fix from Willem de Bruijn"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (29 commits)
  net-timestamp: make tcp_recvmsg call ipv6_recv_error for AF_INET6 socks
  bridge: Sanitize IFLA_EXT_MASK for AF_BRIDGE:RTM_GETLINK
  bridge: Add missing policy entry for IFLA_BRPORT_FAST_LEAVE
  net: Check for presence of IFLA_AF_SPEC
  net: Validate IFLA_BRIDGE_MODE attribute length
  bridge: Validate IFLA_BRIDGE_FLAGS attribute length
  stmmac: platform: fix default values of the filter bins setting
  net/mlx4_core: Limit count field to 24 bits in qp_alloc_res
  net: dsa: bcm_sf2: reset switch prior to initialization
  net: dsa: bcm_sf2: fix unmapping registers in case of errors
  tg3: fix ring init when there are more TX than RX channels
  tcp: fix possible NULL dereference in tcp_vX_send_reset()
  rtlwifi: Change order in device startup
  rtlwifi: rtl8821ae: Fix 5G detection problem
  Revert "netfilter: conntrack: fix race in __nf_conntrack_confirm against get_next_corpse"
  vxlan: Fix boolean flip in VXLAN_F_UDP_ZERO_CSUM6_[TX|RX]
  ip6_udp_tunnel: Fix checksum calculation
  net-timestamp: Fix a documentation typo
  net/ping: handle protocol mismatching scenario
  af_packet: fix sparse warning
  ...

9 years agoMerge tag 'spi-v3.18-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Linus Torvalds [Fri, 28 Nov 2014 01:55:42 +0000 (17:55 -0800)]
Merge tag 'spi-v3.18-rc6' of git://git./linux/kernel/git/broonie/spi

Pull spi fixes from Mark Brown:
 "There's a couple of driver fixes here, plus one core fix for the DMA
  mapping which wasn't doing the right thing for vmalloc()ed addresses
  that hadn't been through kmap().  It's fairly rare to use vmalloc()
  with SPI and it's a subset of those users who might fail so it's
  unsurprising that this wasn't noticed sooner"

* tag 'spi-v3.18-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi: sirf: fix word width configuration
  spi: Fix mapping from vmalloc-ed buffer to scatter list
  spi: dw: Fix dynamic speed change.

9 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Linus Torvalds [Fri, 28 Nov 2014 01:51:50 +0000 (17:51 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/dtor/input

Pull input layer fixes from Dmitry Torokhov:
 "The main change is to fix breakage in Elantech driver introduced by
  the recent commit adding trackpoint reporting to protocol v4.  Now we
  are trusting the hardware to advertise the trackpoint properly and do
  not try to decode the data as trackpoint if firmware told us it is not
  present"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: xpad - use proper endpoint type
  Input: elantech - trust firmware about trackpoint presence
  Input: synaptics - adjust min/max on Thinkpad E540

9 years agostaging: r8188eu: Add new device ID for DLink GO-USB-N150
Larry Finger [Thu, 27 Nov 2014 16:10:21 +0000 (10:10 -0600)]
staging: r8188eu: Add new device ID for DLink GO-USB-N150

The DLink GO-USB-N150 with revision B1 uses this driver.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agoMIPS: tlbex: Fix potential HTW race on TLBL/M/S handlers
Leonid Yegoshin [Thu, 27 Nov 2014 11:13:08 +0000 (11:13 +0000)]
MIPS: tlbex: Fix potential HTW race on TLBL/M/S handlers

There is a potential race when probing the TLB in TLBL/M/S exception
handlers for a matching entry. Between the time we hit a TLBL/S/M
exception and the time we get to execute the TLBP instruction, the
HTW may have replaced the TLB entry we are interested in hence the TLB
probe may fail. However, in the existing handlers, we never checked the
status of the TLBP (ie check the result in the C0/Index register). We
fix this by adding such a check when the core implements the HTW. If
we couldn't find a matching entry, we return back and try again.

Signed-off-by: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com>
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Reviewed-by: James Hogan <james.hogan@imgtec.com>
Cc: <stable@vger.kernel.org> # v3.17+
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/8599/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
9 years agostaging: unisys: remove pointless macros
Greg Kroah-Hartman [Thu, 27 Nov 2014 16:13:24 +0000 (08:13 -0800)]
staging: unisys: remove pointless macros

These macros aren't used anywhere, so just remove them.

Cc: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agoARM: 8226/1: cacheflush: get rid of restarting block
Vladimir Murzin [Thu, 27 Nov 2014 10:39:04 +0000 (11:39 +0100)]
ARM: 8226/1: cacheflush: get rid of restarting block

We cannot restart cacheflush safely if a process provides user-defined
signal handler and signal is pending. In this case -EINTR is returned
and it is expected that process re-invokes syscall. However, there are
a few problems with that:
 * looks like nobody bothers checking return value from cacheflush
 * but if it did, we don't provide the restart address for that, so the
   process has to use the same range again
 * ...and again, what might lead to looping forever

So, remove cacheflush restarting code and terminate cache flushing
as early as fatal signal is pending.

Cc: stable@vger.kernel.org # 3.12+
Reported-by: Chanho Min <chanho.min@lge.com>
Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
9 years agoARM: 8222/1: mvebu: enable strex backoff delay
Thomas Petazzoni [Tue, 25 Nov 2014 17:43:15 +0000 (18:43 +0100)]
ARM: 8222/1: mvebu: enable strex backoff delay

Under extremely rare conditions, in an MPCore node consisting of at
least 3 CPUs, two CPUs trying to perform a STREX to data on the same
shared cache line can enter a livelock situation.

This patch enables the HW mechanism that overcomes the bug. This fixes
the incorrect setup of the STREX backoff delay bit due to a wrong
description in the specification.

Note that enabling the STREX backoff delay mechanism is done by
leaving the bit *cleared*, while the bit was currently being set by
the proc-v7.S code.

[Thomas: adapt to latest mainline, slightly reword the commit log, add
stable markers.]

Fixes: de4901933f6d ("arm: mm: Add support for PJ4B cpu and init routines")
Cc: <stable@vger.kernel.org> # v3.8+
Signed-off-by: Nadav Haklai <nadavh@marvell.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
9 years agoRevert "staging: unisys: fix CamelCase macro names in controlframework.h"
Greg Kroah-Hartman [Thu, 27 Nov 2014 15:10:20 +0000 (07:10 -0800)]
Revert "staging: unisys: fix CamelCase macro names in controlframework.h"

This reverts commit 75185f57f110a7c48d9d33a585320c93334adf0c because it
modified the .gitignore file in the root of the tree, without saying it
did so, which isn't acceptable.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agoMerge tag 'mvebu-fixes-3.18-2' of git://git.infradead.org/linux-mvebu into fixes
Arnd Bergmann [Thu, 27 Nov 2014 13:29:23 +0000 (14:29 +0100)]
Merge tag 'mvebu-fixes-3.18-2' of git://git.infradead.org/linux-mvebu into fixes

Pull "mvebu fixes for v3.18 (round 2)" frm Jason Cooper:

 - mvebu
    - coherency.c needed an of_node_put()

* tag 'mvebu-fixes-3.18-2' of git://git.infradead.org/linux-mvebu:
  ARM: mvebu: add missing of_node_put() call in coherency.c

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
9 years agoMerge tag 'samsung-defconfig-v3.18' of git://git.kernel.org/pub/scm/linux/kernel...
Arnd Bergmann [Thu, 27 Nov 2014 13:26:52 +0000 (14:26 +0100)]
Merge tag 'samsung-defconfig-v3.18' of git://git./linux/kernel/git/kgene/linux-samsung into fixes

Pull "Samsung defconfig update for v3.18" from Kukjin Kim:

- enable max77802 rtc and clock drivers for exynos_defconfig
  : enable the kernel config options to have the drivers for
    max77802 including rtc and 2-ch 32kHz clock outputs

* tag 'samsung-defconfig-v3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: exynos_defconfig: Enable max77802 rtc and clock drivers

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
9 years agoMerge tag 'samsung-fixes-v3.18' of git://git.kernel.org/pub/scm/linux/kernel/git...
Arnd Bergmann [Thu, 27 Nov 2014 13:24:41 +0000 (14:24 +0100)]
Merge tag 'samsung-fixes-v3.18' of git://git./linux/kernel/git/kgene/linux-samsung into fixes

Pull "Samsung fixes for v3.18" from Kukjin Kim:

- explicitly set dr_mode on exynos5250-snow
  this is required when kernel is built with USB gadget support.

* tag 'samsung-fixes-v3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: dts: Explicitly set dr_mode on exynos5250-snow

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
9 years agoARM: tegra: irq: fix buggy usage of irq_data irq field
Marc Zyngier [Wed, 26 Nov 2014 17:55:31 +0000 (17:55 +0000)]
ARM: tegra: irq: fix buggy usage of irq_data irq field

The crazy gic_arch_extn thing that Tegra uses contains multiple
references to the irq field in struct irq_data, and uses this
to directly poke hardware register.

But irq is the *virtual* irq number, something that has nothing
to do with the actual HW irq (stored in the hwirq field). And once
we put the stacked domain code in action, the whole thing explodes,
as these two values are *very* different:

root@bacon-fat:~# cat /proc/interrupts
            CPU0       CPU1
 16:      25801       2075       GIC  29  twd
 17:          0          0       GIC  73  timer0
112:          0          0      GPIO  58  c8000600.sdhci cd
123:          0          0      GPIO  69  c8000200.sdhci cd
279:       1126          0       GIC 122  serial
281:          0          0       GIC  70  7000c000.i2c
282:          0          0       GIC 116  7000c400.i2c
283:          0          0       GIC 124  7000c500.i2c
284:        300          0       GIC  85  7000d000.i2c
[...]

Just replacing all instances of irq with hwirq fixes the issue.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
9 years agoMerge branch 'drm-fixes-3.18' of git://people.freedesktop.org/~agd5f/linux into drm...
Dave Airlie [Thu, 27 Nov 2014 03:01:57 +0000 (13:01 +1000)]
Merge branch 'drm-fixes-3.18' of git://people.freedesktop.org/~agd5f/linux into drm-fixes

one fix for PX laptops.

* 'drm-fixes-3.18' of git://people.freedesktop.org/~agd5f/linux:
  drm/radeon: report disconnected for LVDS/eDP with PX if ddc fails

9 years agodrm/radeon: report disconnected for LVDS/eDP with PX if ddc fails
Alex Deucher [Fri, 14 Nov 2014 17:08:34 +0000 (12:08 -0500)]
drm/radeon: report disconnected for LVDS/eDP with PX if ddc fails

If ddc fails, presumably the i2c mux (and hopefully the signal
mux) are switched to the other GPU so don't fetch the edid from
the vbios so that the connector reports disconnected.

bug:
https://bugzilla.opensuse.org/show_bug.cgi?id=904417

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
9 years agostaging: comedi: adv_pci1723: remove comedi_device 'write_subdev' init
H Hartley Sweeten [Fri, 21 Nov 2014 21:22:37 +0000 (14:22 -0700)]
staging: comedi: adv_pci1723: remove comedi_device 'write_subdev' init

The comedi_device 'write_subdev' should only be initialized if the subdevice
supports async commands.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: adv_pci1723: tidy up multi-line comments
H Hartley Sweeten [Fri, 21 Nov 2014 21:22:36 +0000 (14:22 -0700)]
staging: comedi: adv_pci1723: tidy up multi-line comments

Tidy up the multi-line comments to follow the CodingStyle.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: adv_pci1723: update the MODULE_DESCRIPTION
H Hartley Sweeten [Fri, 21 Nov 2014 21:22:35 +0000 (14:22 -0700)]
staging: comedi: adv_pci1723: update the MODULE_DESCRIPTION

Update the MODULE_DESCRIPTION to something more useful than the
generic "Comedi low-level driver".

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: adv_pci1723: remove subdevice 'len_chanlist' initialization
H Hartley Sweeten [Fri, 21 Nov 2014 21:22:34 +0000 (14:22 -0700)]
staging: comedi: adv_pci1723: remove subdevice 'len_chanlist' initialization

The subdevice 'len_chanlist' is only used by subdevices that support async
commands. Remove the unnecessary initializations in this driver.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: adv_pci1723: tidy up DIO io_bits initialization
H Hartley Sweeten [Fri, 21 Nov 2014 21:22:33 +0000 (14:22 -0700)]
staging: comedi: adv_pci1723: tidy up DIO io_bits initialization

Tidy up the code that determines the initial io_bits (direction) of the
digital I/O subdevice and remove the magic numbers.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: adv_pci1723: tidy up pci1723_dio_insn_config()
H Hartley Sweeten [Fri, 21 Nov 2014 21:22:32 +0000 (14:22 -0700)]
staging: comedi: adv_pci1723: tidy up pci1723_dio_insn_config()

For aesthetics, tidy this function up and use the register defines
to remove the magic numbers.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: adv_pci1723: use comedi_subdevice readback for 'ao_data'
H Hartley Sweeten [Fri, 21 Nov 2014 21:22:31 +0000 (14:22 -0700)]
staging: comedi: adv_pci1723: use comedi_subdevice readback for 'ao_data'

Use the comedi_subdevice 'readback' member and the core provided (*insn_read)
to handle the readback of the write-only analog output subdevice. Remove the
then unused 'ao_data' member from the private data.

The private data is now unnecessary. Remove it and the allocation.

For aesthetics, rename the (*insn_write) function and tidy it up a bit.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: adv_pci1723: absorb pci1723_reset()
H Hartley Sweeten [Fri, 21 Nov 2014 21:22:30 +0000 (14:22 -0700)]
staging: comedi: adv_pci1723: absorb pci1723_reset()

This function is only called by the (*auto_attach) to reset all the analog
output channels. For aesthetics, absorb the function.

Fix the range programming for each channel. According to the users manual
the "range strobe" register needs to be written after setting the "DAC range
control" register in order to load the range setting.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: adv_pci1723: remove board reset during (*detach)
H Hartley Sweeten [Fri, 21 Nov 2014 21:22:29 +0000 (14:22 -0700)]
staging: comedi: adv_pci1723: remove board reset during (*detach)

The pci1723_reset() function simply resets all the analog output channels
to 0V and a +/-10V range. This really isn't necessary when detaching the
driver.

Remove the board reset and just use comedi_pci_detach() directly for the
(*detach).

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: adv_pci1723: remove private data 'da_range'
H Hartley Sweeten [Fri, 21 Nov 2014 21:22:28 +0000 (14:22 -0700)]
staging: comedi: adv_pci1723: remove private data 'da_range'

This member of the private data is initialized to 0 by pci1723_reset()
and is not used any where else in the driver. Remove it.

Use the register map defines to set the range for each output channel.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: adv_pci1723: tidy up register map
H Hartley Sweeten [Fri, 21 Nov 2014 21:22:27 +0000 (14:22 -0700)]
staging: comedi: adv_pci1723: tidy up register map

For aesthetics, rename the defines used for the register map offsets and
remove the unnecessary comments. Add the bit defines for the registers.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: ni_labpc_common: use comedi_timeout() when writing to eeprom
H Hartley Sweeten [Thu, 20 Nov 2014 22:07:36 +0000 (15:07 -0700)]
staging: comedi: ni_labpc_common: use comedi_timeout() when writing to eeprom

Use the comedi_timeout() helper to wait for the eeprom to be ready to accept
writes and remove the timeout loop in labpc_eeprom_write().

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: ni_labpc_common: use subdevice readback for eeprom
H Hartley Sweeten [Thu, 20 Nov 2014 22:07:35 +0000 (15:07 -0700)]
staging: comedi: ni_labpc_common: use subdevice readback for eeprom

Use the comedi_subdevice 'readback' member and the core provided (*insn_read)
to handle the readback of the eeprom subdevice. Remove the then unused
'eeprom_data' member from the private data.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: ni_labpc_common: use subdevice readback for analog outputs
H Hartley Sweeten [Thu, 20 Nov 2014 22:07:34 +0000 (15:07 -0700)]
staging: comedi: ni_labpc_common: use subdevice readback for analog outputs

Use the comedi_subdevice 'readback' member and the core provided (*insn_read)
to handle the readback of the analog output subdevice. Remove the then unused
'ao_value' member from the private data.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: ni_labpc_common: introduce labpc_ao_write()
H Hartley Sweeten [Thu, 20 Nov 2014 22:07:33 +0000 (15:07 -0700)]
staging: comedi: ni_labpc_common: introduce labpc_ao_write()

Introduce a helper function to write a value to a given DAC channel.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: ni_labpc_common: use subdevice readback for 'caldac'
H Hartley Sweeten [Thu, 20 Nov 2014 22:07:32 +0000 (15:07 -0700)]
staging: comedi: ni_labpc_common: use subdevice readback for 'caldac'

Use the comedi_subdevice 'readback' member and the core provided (*insn_read)
to handle the readback of the write-only caldac subdevice. Remove the then unused
'caldac' member from the private data.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: ni_labpc_common: move calib readback value check/save to (*insn_write)
H Hartley Sweeten [Thu, 20 Nov 2014 22:07:31 +0000 (15:07 -0700)]
staging: comedi: ni_labpc_common: move calib readback value check/save to (*insn_write)

Move the check/save of the calib subdevice value to the (*insn_write) function.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: ni_at_ao: use subdevice readback for 'caldac'
H Hartley Sweeten [Thu, 20 Nov 2014 22:07:30 +0000 (15:07 -0700)]
staging: comedi: ni_at_ao: use subdevice readback for 'caldac'

Use the comedi_subdevice 'readback' member and the core provided (*insn_read)
to handle the readback of the write-only caldac subdevice. Remove the then unused
'caldac' member from the private data.

Tidy up atao_calib_insn_write().

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: cb_pcidas: use subdevice readback for 'dac08_value'
H Hartley Sweeten [Thu, 20 Nov 2014 22:07:29 +0000 (15:07 -0700)]
staging: comedi: cb_pcidas: use subdevice readback for 'dac08_value'

Use the comedi_subdevice 'readback' member and the core provided (*insn_read)
to handle the readback of the write-only dac08 calib subdevice. Remove the
then unused 'dac08_value' member from the private data.

The dac08 calib subdevice only has one channel. For consistency in the driver,
modify the subdevice init so that a loop is used to initialize the channels and
readback values.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: cb_pcidas: tidy up dac08_write_insn()
H Hartley Sweeten [Thu, 20 Nov 2014 22:07:28 +0000 (15:07 -0700)]
staging: comedi: cb_pcidas: tidy up dac08_write_insn()

For consistency with the other calib subdevices, refactor this (*insn_write)
function so that it only writes the final data value to the hardware.,

For aesthetics, rename the function so it has namespace associated with the
driver.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: cb_pcidas: use subdevice readback for 'trimpot_value'
H Hartley Sweeten [Thu, 20 Nov 2014 22:07:27 +0000 (15:07 -0700)]
staging: comedi: cb_pcidas: use subdevice readback for 'trimpot_value'

Use the comedi_subdevice 'readback' member and the core provided (*insn_read)
to handle the readback of the write-only trimpot calib subdevice. Remove the
then unused 'trimpot_value' member from the private data.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: cb_pcidas: fix trimpot_write_insn()
H Hartley Sweeten [Thu, 20 Nov 2014 22:07:26 +0000 (15:07 -0700)]
staging: comedi: cb_pcidas: fix trimpot_write_insn()

The comedi core expects the (*insn_write) functions to write 'insn->n'
values to the hardware and return the number of values written. Currently
this function only writes the first value. For this subdevice it only makes
sense to write the final data value.

Fix the function to work like the core expects. For aesthetics, rename the
function so it has namespace associated with the driver.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: cb_pcidas: use subdevice readback for 'caldac_value'
H Hartley Sweeten [Thu, 20 Nov 2014 22:07:25 +0000 (15:07 -0700)]
staging: comedi: cb_pcidas: use subdevice readback for 'caldac_value'

Use the comedi_subdevice 'readback' member and the core provided (*insn_read)
to handle the readback of the write-only caldac subdevice. Remove the then
unused 'caldac_value' member from the private data.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: cb_pcidas: fix caldac_write_insn()
H Hartley Sweeten [Thu, 20 Nov 2014 22:07:24 +0000 (15:07 -0700)]
staging: comedi: cb_pcidas: fix caldac_write_insn()

The comedi core expects the (*insn_write) functions to write 'insn->n'
values to the hardware and return the number of values written. Currently
this function only writes the first value. For this subdevice it only makes
sense to write the final data value.

Fix the function to work like the core expects. For aesthetics, rename the
function so it has namespace associated with the driver.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: cb_pcidas: remove unnecessary check in caldac_8800_write()
H Hartley Sweeten [Thu, 20 Nov 2014 22:07:23 +0000 (15:07 -0700)]
staging: comedi: cb_pcidas: remove unnecessary check in caldac_8800_write()

The 'address' passed to this function is actually the comedi channel. This
value will always be less than the subdevice n_chan (which is 8). Remove
the unnecessary sanity check in caldac_8800_write().

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: cb_pcidas64: fix ad8402_write_insn()
H Hartley Sweeten [Thu, 20 Nov 2014 22:07:22 +0000 (15:07 -0700)]
staging: comedi: cb_pcidas64: fix ad8402_write_insn()

The comedi core expects the (*insn_write) functions to write 'insn->n'
values to the hardware and return the number of values written. Currently
this function only writes the first value. For this subdevice it only makes
sense to write the final data value.

Fix the function to work like the core expects. For aesthetics, rename the
function so it has namespace associated with the driver.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: cb_pcidas64: use subdevice readback for 'ad8402_state'
H Hartley Sweeten [Thu, 20 Nov 2014 22:07:21 +0000 (15:07 -0700)]
staging: comedi: cb_pcidas64: use subdevice readback for 'ad8402_state'

Use the comedi_subdevice 'readback' member and the core provided (*insn_read)
to handle the readback of the write-only calibration subdevice. Remove the
then unused 'ad8402_state' member from the private data.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: cb_pcidas64: fix calib_write_insn()
H Hartley Sweeten [Thu, 20 Nov 2014 22:07:20 +0000 (15:07 -0700)]
staging: comedi: cb_pcidas64: fix calib_write_insn()

The comedi core expects the (*insn_write) functions to write 'insn->n'
values to the hardware and return the number of values written. Currently
this function only writes the first value. For this subdevice it only makes
sense to write the final data value.

Fix the function to work like the core expects. For aesthetics, rename the
function so it has namespace associated with the driver.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: cb_pcidas64: use subdevice readback for 'caldac_state'
H Hartley Sweeten [Thu, 20 Nov 2014 22:07:19 +0000 (15:07 -0700)]
staging: comedi: cb_pcidas64: use subdevice readback for 'caldac_state'

Use the comedi_subdevice 'readback' member and the core provided (*insn_read)
to handle the readback of the write-only calibration subdevice. Remove the
then unused 'caldac_state' member from the private data.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: drivers: have core hook up default (*insn_read) for readback
H Hartley Sweeten [Fri, 21 Nov 2014 17:19:10 +0000 (10:19 -0700)]
staging: comedi: drivers: have core hook up default (*insn_read) for readback

Most of the comedi drivers that provide readback for write only subdevices now
use the comedi core comedi_alloc_subdev_readback() helper to allocate the subdevice
'reaback' member instead of using some member in their private data. These drivers
also hook up the (*insn_read) callback to the comedi_readback_insn_read() helper to
provide the readback.

Have the core automatically hook up the (*insn_read) callback after allocating the
memory if the driver has not already hooked it up to a private function.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: adv_pci1724: rename ao_ranges_1724
H Hartley Sweeten [Thu, 20 Nov 2014 22:11:02 +0000 (15:11 -0700)]
staging: comedi: adv_pci1724: rename ao_ranges_1724

For aesthetics, rename the analog output comedi_lrange table so
it has namespace associated with the driver.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: adv_pci1724: tidy up multi-line comments
H Hartley Sweeten [Thu, 20 Nov 2014 22:11:01 +0000 (15:11 -0700)]
staging: comedi: adv_pci1724: tidy up multi-line comments

Tidy up the multi-line comments to follow the CodingStyle.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: adv_pci1724: tidy up the comedi_driver declaration
H Hartley Sweeten [Thu, 20 Nov 2014 22:11:00 +0000 (15:11 -0700)]
staging: comedi: adv_pci1724: tidy up the comedi_driver declaration

For aesthetics, add some whitespace to the comedi_driver declaration.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: adv_pci1724: tidy up the pci_driver declaration
H Hartley Sweeten [Thu, 20 Nov 2014 22:10:59 +0000 (15:10 -0700)]
staging: comedi: adv_pci1724: tidy up the pci_driver declaration

For aesthetics, add some whitespace to the pci_driver declaration.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: adv_pci1724: remove unnecessary dev_info()
H Hartley Sweeten [Thu, 20 Nov 2014 22:10:58 +0000 (15:10 -0700)]
staging: comedi: adv_pci1724: remove unnecessary dev_info()

Remove the unnecessary noise at the end of the (*auto_attach).

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: adv_pci1724: absorb setup_subdevices()
H Hartley Sweeten [Thu, 20 Nov 2014 22:10:57 +0000 (15:10 -0700)]
staging: comedi: adv_pci1724: absorb setup_subdevices()

For aesthetics, absorb this function into the (*auto_attach).

Add some whitespace to the subdevice init.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: adv_pci1724: define the board id register bits
H Hartley Sweeten [Thu, 20 Nov 2014 22:10:56 +0000 (15:10 -0700)]
staging: comedi: adv_pci1724: define the board id register bits

For aesthetics, remove the enum and define the bits for this register.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: adv_pci1724: remove enum sync_output_trigger_contents
H Hartley Sweeten [Thu, 20 Nov 2014 22:10:55 +0000 (15:10 -0700)]
staging: comedi: adv_pci1724: remove enum sync_output_trigger_contents

This enum is not used in the driver. Remove it.

For aesthetics, rename the register define and move the comment that
any value will trigger the sync output.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: adv_pci1724: define the sync output control/status reg
H Hartley Sweeten [Thu, 20 Nov 2014 22:10:54 +0000 (15:10 -0700)]
staging: comedi: adv_pci1724: define the sync output control/status reg

Define the bits for the synchronous output control/status register and
remove the enum.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: adv_pci1724: define the dac control register bits
H Hartley Sweeten [Thu, 20 Nov 2014 22:10:53 +0000 (15:10 -0700)]
staging: comedi: adv_pci1724: define the dac control register bits

Define the bits for the DAC control register and remove the enum along
with the helper functions.

Simplify adv_pci1724_insn_write() a bit. The 'ctrl' bits are based on
the 'chan' and 'mode' and do not need to be recalculated for each 'val'.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: adv_pci1724: tidy up the register I/O map
H Hartley Sweeten [Thu, 20 Nov 2014 22:10:52 +0000 (15:10 -0700)]
staging: comedi: adv_pci1724: tidy up the register I/O map

For aesthetics, convert the enum board_registers into defines and rename
them so they have namespace associated with the driver.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: adv_pci1724: remove PCI_VENDOR_ID_ADVANTECH define
H Hartley Sweeten [Thu, 20 Nov 2014 22:10:51 +0000 (15:10 -0700)]
staging: comedi: adv_pci1724: remove PCI_VENDOR_ID_ADVANTECH define

This define is already in pci_ids.h. Remove the duplicate in this driver.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: adv_pci1724: absorb set_dac()
H Hartley Sweeten [Thu, 20 Nov 2014 22:10:50 +0000 (15:10 -0700)]
staging: comedi: adv_pci1724: absorb set_dac()

Absorb this simple function into adv_pci1724_insn_write().

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: adv_pci1724: use comedi_timeout() to wait for DAC idle state
H Hartley Sweeten [Thu, 20 Nov 2014 22:10:49 +0000 (15:10 -0700)]
staging: comedi: adv_pci1724: use comedi_timeout() to wait for DAC idle state

Use the comedi_timeout() helper to wait for the DAC to be idle before
writing to it.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: adv_pci1724: introduce adv_pci1724_insn_write()
H Hartley Sweeten [Thu, 20 Nov 2014 22:10:48 +0000 (15:10 -0700)]
staging: comedi: adv_pci1724: introduce adv_pci1724_insn_write()

The analog output, offset calib, and gain calib subdevices all use similar
(*insn_write) functions. The onyl difference is the 'mode' that is passed
to the set_dac() helper.

Introduce a new (*insn_write) function that can be used by all the subdevices.
Use the s->private member to pass the 'mode' needed by set_dac(). Remove the
subdevice specific (*insn_write) functions.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: adv_pci1724: remove NUM_AO_CHANNELS define
H Hartley Sweeten [Thu, 20 Nov 2014 22:10:47 +0000 (15:10 -0700)]
staging: comedi: adv_pci1724: remove NUM_AO_CHANNELS define

This define is now only used to set each of the subdevice 'n_chan'. For
clarity, remove the define and open code the values.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agostaging: comedi: adv_pci1724: use subdevice readback for 'gain_value'
H Hartley Sweeten [Thu, 20 Nov 2014 22:10:46 +0000 (15:10 -0700)]
staging: comedi: adv_pci1724: use subdevice readback for 'gain_value'

Use the comedi_subdevice 'readback' member and the core provided (*insn_read)
to handle the readback of the write-only gain calib subdevice. Remove the
then unused 'gain_value' member from the private data.

The private data is now unnecessary. Remove it and the allocation.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>