platform/kernel/linux-rpi.git
12 years agostaging: vt6656: int.c: Put comment about DEBUG print define on same line as code
Jesper Juhl [Wed, 27 Jun 2012 20:01:18 +0000 (22:01 +0200)]
staging: vt6656: int.c: Put comment about DEBUG print define on same line as code

A small comment at the end of the line, mentioning the debug level, is
enough - no need to repeat the entire line of code just for that.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: vt6656: int.h: Fix indentation and spacing
Jesper Juhl [Wed, 27 Jun 2012 20:00:41 +0000 (22:00 +0200)]
staging: vt6656: int.h: Fix indentation and spacing

We use tabs for indentation and once space between variable types and
variable name.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: vt6656: int: Redundant blank line removal
Jesper Juhl [Wed, 27 Jun 2012 20:00:14 +0000 (22:00 +0200)]
staging: vt6656: int: Redundant blank line removal

This trivial cleanup patch removes some completely redundant blank
lines from drivers/staging/vt6656/int.[ch]

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: sm7xxfb: erase hardcode cast between smtcfb_info and fb_info
Javier M. Mellid [Wed, 27 Jun 2012 12:10:15 +0000 (14:10 +0200)]
staging: sm7xxfb: erase hardcode cast between smtcfb_info and fb_info

This patch erases hardcode cast between smtcfb_info and fb_info in order
to get a more robust and less rigid smtcfb_info structure. fb_info
doesn't need to be the first field in smtcfb_info after this patch.

Tested with SM712.

Signed-off-by: Javier M. Mellid <jmunhoz@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: sm7xxfb: rename vars holding device and revision ids
Javier M. Mellid [Wed, 27 Jun 2012 12:10:14 +0000 (14:10 +0200)]
staging: sm7xxfb: rename vars holding device and revision ids

This patch fixes CamelCase var names in smtcfb_info holding device and
revision identifiers.

Tested with SM712.

Signed-off-by: Javier M. Mellid <jmunhoz@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agoStaging: echo: One variable per line
Jesper Juhl [Wed, 27 Jun 2012 20:28:55 +0000 (22:28 +0200)]
Staging: echo: One variable per line

Our convention is one (statement and) variable per line. Enforce
this in drivers/staging/echo/echo.[ch] .

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agoMerge branch 'togreg' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio...
Greg Kroah-Hartman [Fri, 6 Jul 2012 23:03:44 +0000 (16:03 -0700)]
Merge branch 'togreg' of git://git./linux/kernel/git/jic23/iio into staging-next

12 years agoMerge branch 'fixes-togreg' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23...
Greg Kroah-Hartman [Fri, 6 Jul 2012 23:01:20 +0000 (16:01 -0700)]
Merge branch 'fixes-togreg' of git://git./linux/kernel/git/jic23/iio into staging-next

12 years agostaging: comedi: s626: fix the number of dio channels
H Hartley Sweeten [Mon, 2 Jul 2012 21:26:24 +0000 (14:26 -0700)]
staging: comedi: s626: fix the number of dio channels

The first digital i/o subdevice has its n_chan set to S626_DIO_CHANNELS
which is defined as 48. This is actually the total number of channels
provided by all three digital i/o subdevices. Each subdevice only has
16 channels.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: dmm32at: remove skel driver cut-and-paste comments
H Hartley Sweeten [Tue, 3 Jul 2012 01:15:02 +0000 (18:15 -0700)]
staging: comedi: dmm32at: remove skel driver cut-and-paste comments

Remove the cut-and-paste comments from the skel driver.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: dmm32at: remove devpriv macro
H Hartley Sweeten [Tue, 3 Jul 2012 01:14:27 +0000 (18:14 -0700)]
staging: comedi: dmm32at: remove devpriv macro

The 'devpriv' macro relies on a local variable having a specific
name and yields a pointer derived from that local variable. Replace
the macro with a local variable where used.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: dmm32at: remove unneeded boardinfo variables
H Hartley Sweeten [Tue, 3 Jul 2012 01:13:53 +0000 (18:13 -0700)]
staging: comedi: dmm32at: remove unneeded boardinfo variables

Like most of the comedi drivers, this one appears to have been started
based on the skel driver. Cut-and-paste from that driver has resulted
in an unnecessarily complex boardinfo struct.

Remove everything from the boardinfo struct, except the 'name', and
just use the open coded values in the attach function.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: dmm32at: remove dmm_outb macro
H Hartley Sweeten [Tue, 3 Jul 2012 01:13:11 +0000 (18:13 -0700)]
staging: comedi: dmm32at: remove dmm_outb macro

The macro is just a wrapper for outb(). Just use the outb() directly.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: dmm32at: remove dmm_inb macro
H Hartley Sweeten [Tue, 3 Jul 2012 01:12:35 +0000 (18:12 -0700)]
staging: comedi: dmm32at: remove dmm_inb macro

The macro is just a wrapper for inb(). Just use the inb() directly.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: dmm32at: remove forward declarations 2
H Hartley Sweeten [Tue, 3 Jul 2012 01:11:56 +0000 (18:11 -0700)]
staging: comedi: dmm32at: remove forward declarations 2

Move the dmm32at_ns_to_timer() and dmm32at_setaitimer() functions
to remove the need for the remaining forward declarations.

Also, make dmm32at_setaitimer() static, it's only referenced in
this file.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: dmm32at: remove forward declarations 1
H Hartley Sweeten [Tue, 3 Jul 2012 01:11:23 +0000 (18:11 -0700)]
staging: comedi: dmm32at: remove forward declarations 1

Move the attach/detach functions as well as the boardinfo variable
to remove the need to most of the forward declarations.

Add some whitespace to the boardinfo during the move.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: dmm32at: use module_comedi_driver
H Hartley Sweeten [Tue, 3 Jul 2012 01:10:46 +0000 (18:10 -0700)]
staging: comedi: dmm32at: use module_comedi_driver

Convert driver to use the module_comedi_driver() macro to remove
some of the boilerplate.

Move the comedi_driver variable to the end of the file to keep it
with the module_comedi_driver() macro. This also removes the need
for some of the forward declarations. While moving the variable:

1) strip out the unnecessary cut-and-paste skel driver comments
2) add whitespace to improve the readability
3) rename the variable from driver* to *driver

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: das08_cs: remove thisboard macro
H Hartley Sweeten [Mon, 2 Jul 2012 22:48:58 +0000 (15:48 -0700)]
staging: comedi: das08_cs: remove thisboard macro

The 'thisboard' macro relies on a local variable having a specific
name and yields a pointer derived from that local variable. Replace
the macro with a local variable where used. Use the comedi_board()
helper to get the pointer.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: das08_cs: move the comedi_driver variable
H Hartley Sweeten [Mon, 2 Jul 2012 22:48:26 +0000 (15:48 -0700)]
staging: comedi: das08_cs: move the comedi_driver variable

Move the comedi_driver variable to remove the need for the
forward declarations. Add some whitespace to the declaration
for aesthetic reasons.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: das08_cs: refactor the pcmcia probe/remove
H Hartley Sweeten [Mon, 2 Jul 2012 22:47:47 +0000 (15:47 -0700)]
staging: comedi: das08_cs: refactor the pcmcia probe/remove

Move the pcmcia_disable_device() call where needed in the pcmcia
probe/remove and delete the das08_pcmcia_release() function.

Move the logic of the das08_pcmcia_config() directly into the
probe function and properly return an error code when the config
fails.

Only set cur_dev, used by the comedi_driver, if the pcmcia probe
is successful. Also, make sure to NULL it in the remove.

Remove all the kernel messages in the pcmcia support code. They
are just added noise.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: das08_cs: remove unneeded pcmcia private data
H Hartley Sweeten [Mon, 2 Jul 2012 22:47:14 +0000 (15:47 -0700)]
staging: comedi: das08_cs: remove unneeded pcmcia private data

The pcmcia device-specific data is no longer needed by this driver.
Remove it.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: das08_cs: remove the pcmcia suspend/resume
H Hartley Sweeten [Mon, 2 Jul 2012 22:46:40 +0000 (15:46 -0700)]
staging: comedi: das08_cs: remove the pcmcia suspend/resume

The pcmcia suspend/resume callbacks don't do anything. Remove
them.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: das08_cs: remove unused pcmcia 'stop' logic
H Hartley Sweeten [Mon, 2 Jul 2012 22:46:08 +0000 (15:46 -0700)]
staging: comedi: das08_cs: remove unused pcmcia 'stop' logic

The pcmcia support code in this driver is cut-and-paste from the
dummy_cs.c driver of the Linux PCMCIA Card Services package. It
has code in it to stop the device during suspend but nothing in
the main comedi_driver uses it.

Remove the 'stop' variable from the pcmcia private data and all
the logic that deals with it.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: das08_cs: refactor the pcmcia support code
H Hartley Sweeten [Mon, 2 Jul 2012 22:45:34 +0000 (15:45 -0700)]
staging: comedi: das08_cs: refactor the pcmcia support code

Refactor the pcmcia support code to remove the need for the
forward declarations.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: das08_cs: cleanup and remove useless comments
H Hartley Sweeten [Mon, 2 Jul 2012 22:45:03 +0000 (15:45 -0700)]
staging: comedi: das08_cs: cleanup and remove useless comments

Move the comment about the PCMCIA support and reword it a bit
because of the move.

Remove a number of useless comments.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: das08_cs: cleanup the pcmcia_driver declaration
H Hartley Sweeten [Mon, 2 Jul 2012 22:44:30 +0000 (15:44 -0700)]
staging: comedi: das08_cs: cleanup the pcmcia_driver declaration

For aesthetic reasons, add some whitespace to the declaration
of the pcmcia_driver and reorder it a bit.

Also, the symbol 'das08_cs_driver' is only referenced in this file,
make it static. This quiets the following sparse warning:

warning: symbol 'das08_cs_driver' was not declared. Should it be static?

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: das08_cs: change driver registration order
H Hartley Sweeten [Mon, 2 Jul 2012 22:43:52 +0000 (15:43 -0700)]
staging: comedi: das08_cs: change driver registration order

As done with the other comedi driver types, register the
comedi_driver first then the pcmcia_driver. Also, make sure
the pcmcia_driver registration succeeds and unregister the
comedi_driver if it fails.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: das08_cs: consolidate the init and exit functions
H Hartley Sweeten [Mon, 2 Jul 2012 22:43:19 +0000 (15:43 -0700)]
staging: comedi: das08_cs: consolidate the init and exit functions

The register/unregister of the pcmcia driver is done in separate
functions that are called by the module_{init,exit} routines.
Simplify the code a bit by moving the register/unregister into
the module_{init,exit} routines.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: das08_cs: move the MODULE_* stuff to the EOF
H Hartley Sweeten [Mon, 2 Jul 2012 22:42:41 +0000 (15:42 -0700)]
staging: comedi: das08_cs: move the MODULE_* stuff to the EOF

Move the MODULE_* declarations to the end of the file.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: das_08: absorb i8254_struct into the private data
H Hartley Sweeten [Fri, 29 Jun 2012 18:02:59 +0000 (11:02 -0700)]
staging: comedi: das_08: absorb i8254_struct into the private data

The i8254_struct now only contains the iobase address used to
read/write the 8254 timer device. Move that variable into the
das08 private data struct and remove the i8254_struct.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: das_08: remove the unneeded 8254 variables and defines
H Hartley Sweeten [Fri, 29 Jun 2012 18:02:02 +0000 (11:02 -0700)]
staging: comedi: das_08: remove the unneeded 8254 variables and defines

Now that the driver is using the 8253 helper functions, remove the
unused variables in the i8254_struct as well as the unused defines
for the 8254 register offsets.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: das_08: remove the 8254 'channels' usage
H Hartley Sweeten [Fri, 29 Jun 2012 18:01:22 +0000 (11:01 -0700)]
staging: comedi: das_08: remove the 8254 'channels' usage

The internal 8254 'channels' count is the same as the comedi
subdevice 'n_chan'. There is no need to keep the internal
count.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: das_08: remove the 8254 'logic2phys' usage
H Hartley Sweeten [Fri, 29 Jun 2012 18:00:40 +0000 (11:00 -0700)]
staging: comedi: das_08: remove the 8254 'logic2phys' usage

The three 8254 timers have a 1:1 relationship to the comedi
channels. The 'logic2phys' usage just makes the driver more
complex.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: das_08: remove the cached 8254 'mode'
H Hartley Sweeten [Fri, 29 Jun 2012 17:59:55 +0000 (10:59 -0700)]
staging: comedi: das_08: remove the cached 8254 'mode'

The driver initially sets all the cached 'mode' values for the
8254 timers to (I8254_MODE0 | I8254_BINARY). It then sets the
timers to that 'mode'. Configuring the counters with the comedi
INSN_CONFIG_SET_COUNTER_MODE updates the 'mode' and then sets
the timers to the 'mode'. The cached value is never read or
used other than for storage.

Just remove the 'mode' usage as it serves no purpose.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: das_08: unwind the 8254 timer support
H Hartley Sweeten [Fri, 29 Jun 2012 17:59:21 +0000 (10:59 -0700)]
staging: comedi: das_08: unwind the 8254 timer support

Refactor the 8254 timer support by removing the various functions
that handle the io and consolidating the logic into the initialize,
read, write, and config functions used by the driver.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: das_08: use the 8253 helper functions
H Hartley Sweeten [Fri, 29 Jun 2012 17:58:41 +0000 (10:58 -0700)]
staging: comedi: das_08: use the 8253 helper functions

Instead of open-coding the 8254 timer io, use the helper functions
provided by 8253.h.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: ni_670x: removve unused 'ao_bits'
H Hartley Sweeten [Sat, 30 Jun 2012 00:41:47 +0000 (17:41 -0700)]
staging: comedi: ni_670x: removve unused 'ao_bits'

All the NI 670x boards have 16-bit anaolog output DACs. The
'ao_bits' in the boardinfo is not used so remove it.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: ni_670x: cleanup ni_670x_dio_insn_bits()
H Hartley Sweeten [Sat, 30 Jun 2012 00:41:10 +0000 (17:41 -0700)]
staging: comedi: ni_670x: cleanup ni_670x_dio_insn_bits()

Add local variable for the io_addr, mask. and bits used in this
function so that the comments are not needed and the writel/readl
calls are a bit cleaner.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: ni_670x: cleanup the boardinfo
H Hartley Sweeten [Sat, 30 Jun 2012 00:40:23 +0000 (17:40 -0700)]
staging: comedi: ni_670x: cleanup the boardinfo

For aesthetic reasons, reorder the boardinfo struct so that the
'name' pointer is first. Also, add some whitespace to the boardinfo
to improve readability.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: ni_670x: fix dereference of an invalid pointer
H Hartley Sweeten [Sat, 30 Jun 2012 00:39:45 +0000 (17:39 -0700)]
staging: comedi: ni_670x: fix dereference of an invalid pointer

The attach if this driver can fail before the subdevices are
allocated. If the attach fails the comedi core will call the
detach routine to allow the driver to do it's cleanup.

We need to make sure that the subdevice allocation was successful
before trying to dereference subdevice[0] to free the allocated
range table list.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: ni_670x: return '0' for successful attach
H Hartley Sweeten [Sat, 30 Jun 2012 00:38:54 +0000 (17:38 -0700)]
staging: comedi: ni_670x: return '0' for successful attach

The comedi core expects a < 0 value during the attach to indicate
an error. The normal 'success' return for the kernel is '0' so use
that here.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: ni_670x: change printk's to cleaned up dev_printk's
H Hartley Sweeten [Sat, 30 Jun 2012 00:38:18 +0000 (17:38 -0700)]
staging: comedi: ni_670x: change printk's to cleaned up dev_printk's

Convert all the prink's in this file to dev_prink's.

Change the INFO message in ni_670x_find_device into a dev_warn().
This message is only displayed if a matching device was not found.
A warning is more appropriate here than info.

Consolidate the attach messages into one dev_info() output after
the successful attach.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: ni_670x: remove n_ni_670x_boards macro
H Hartley Sweeten [Sat, 30 Jun 2012 00:37:25 +0000 (17:37 -0700)]
staging: comedi: ni_670x: remove n_ni_670x_boards macro

This macro is simply the ARRAY_SIZE() of the boardinfo. Just use
the ARRAY_SIZE and remove the macro.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: ni_670x: remove thisboard and devpriv macros
H Hartley Sweeten [Sat, 30 Jun 2012 00:36:45 +0000 (17:36 -0700)]
staging: comedi: ni_670x: remove thisboard and devpriv macros

The 'thisboard' and 'devpriv' macros rely on a local variable having
a specific name and yield pointers derived from that local variable.
Replace the macros with local variables where used. Use the
comedi_board() helper to get the 'thisboard' pointer.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: ni_670x: remove forward declarations
H Hartley Sweeten [Sat, 30 Jun 2012 00:36:09 +0000 (17:36 -0700)]
staging: comedi: ni_670x: remove forward declarations

Move the attach and detach functions to remove the need for the
forward declarations.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: ni_670x: use module_comedi_pci_driver
H Hartley Sweeten [Sat, 30 Jun 2012 00:35:26 +0000 (17:35 -0700)]
staging: comedi: ni_670x: use module_comedi_pci_driver

Refactor the driver to use the module_comedi_pci_driver() helper.
This gets rid of some of the module boilerplate code.

For aesthetic reasons, rename the comedi_driver and pci_driver to
follow the convention of the other comedi pci drivers.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: adl_pci6208: use the driver_name for the resource name
H Hartley Sweeten [Wed, 27 Jun 2012 22:08:39 +0000 (15:08 -0700)]
staging: comedi: adl_pci6208: use the driver_name for the resource name

Use the dev->driver->driver_name for the resource name passed to
pci_request_regions(), by way of comedi_pci_enable(), instead of
the open coded string "adl_pci6208".

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: adl_pci6208: cleanup pci6208_attach()
H Hartley Sweeten [Wed, 27 Jun 2012 22:07:56 +0000 (15:07 -0700)]
staging: comedi: adl_pci6208: cleanup pci6208_attach()

For aesthetic reasons, set the dev->board_name as soon as the
thisboard pointer is available.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: adl_pci6208: cleanup pci6208_ao_rinsn()
H Hartley Sweeten [Wed, 27 Jun 2012 22:07:05 +0000 (15:07 -0700)]
staging: comedi: adl_pci6208: cleanup pci6208_ao_rinsn()

For aesthetic reasons, reorder the local variables and change
the return value to 'insn->n'.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: adl_pci6208: cleanup pci6208_ao_winsn()
H Hartley Sweeten [Wed, 27 Jun 2012 22:06:14 +0000 (15:06 -0700)]
staging: comedi: adl_pci6208: cleanup pci6208_ao_winsn()

Use the defines for the register map to make the code a bit
clearer. Shorten or rename some of the local variables for
the same reason.

Only the last value written to the DAC needs to be cached in
the ao_readback variable.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: adl_pci6208: fix the ao_readback variable size
H Hartley Sweeten [Wed, 27 Jun 2012 22:04:47 +0000 (15:04 -0700)]
staging: comedi: adl_pci6208: fix the ao_readback variable size

The 'ao_readback' variable in the private data struct is used to
cache the last value written to the analog output DAC channels.
The PCI-6208 has 8 analog output channels but the variable only
allowed space to cache 2 values.

Since the PCI-6216 board could be supported by this driver and
it has 16 analog outputs, create a define for the maximum number
of channels and use that to set the size of 'ao_readback'.

For now, set the max to 8 to save space since the PCI-6216 is
not currently supported.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: adl_pci6208: remove unused variable in the private data
H Hartley Sweeten [Wed, 27 Jun 2012 22:04:04 +0000 (15:04 -0700)]
staging: comedi: adl_pci6208: remove unused variable in the private data

The 'data' variable in the private data struct is not used by the
driver. Remove it.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: adl_pci6208: remove some useless comments
H Hartley Sweeten [Wed, 27 Jun 2012 22:03:31 +0000 (15:03 -0700)]
staging: comedi: adl_pci6208: remove some useless comments

Remove a number of useless comments that are cut-and-paste from
the skel driver.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: adl_pci6208: remove the bogus pci devices
H Hartley Sweeten [Wed, 27 Jun 2012 22:02:53 +0000 (15:02 -0700)]
staging: comedi: adl_pci6208: remove the bogus pci devices

Remove the commented out pci device entries in the MODULE_DEVICE_TABLE
as well as the associated boardinfo, which is also commented out. Add
some whitespace to the boardinfo to improve readability.

This driver should also support the pci-6216 card which has an
additional 8 analog outputs (16 total). But the device id needs
to be determined.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: adl_pci6208: return '0' for successful attach
H Hartley Sweeten [Wed, 27 Jun 2012 22:01:58 +0000 (15:01 -0700)]
staging: comedi: adl_pci6208: return '0' for successful attach

The comedi core expects a < 0 value during the attach to indicate
an error. The normal 'success' return for the kernel is '0' so use
that here.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: adl_pci6208: add whitespace to the subdev init
H Hartley Sweeten [Wed, 27 Jun 2012 22:01:26 +0000 (15:01 -0700)]
staging: comedi: adl_pci6208: add whitespace to the subdev init

Add whitespace to the subdev initialization and remove the
unnecessary comments to improve readability.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: adl_pci6208: fix the digital i/o subdevice
H Hartley Sweeten [Wed, 27 Jun 2012 22:00:50 +0000 (15:00 -0700)]
staging: comedi: adl_pci6208: fix the digital i/o subdevice

The PCI-6208 board has 4 digital outputs and 4 digital inputs.

The support for the digital i/o subdevice was commented out and
the code was just cut-and-paste from the skel driver. Enable
the digital i/o subdevice by uncommenting the code and fixing
the insn_bits and insn_config functions.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: adl_pci6208: consolidate the attach messages
H Hartley Sweeten [Wed, 27 Jun 2012 22:00:02 +0000 (15:00 -0700)]
staging: comedi: adl_pci6208: consolidate the attach messages

Consolidate the attach messages into one dev_info() output
at the end of a successful attach.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: adl_pci6208: pass on the error code from comedi_pci_enable
H Hartley Sweeten [Wed, 27 Jun 2012 21:59:19 +0000 (14:59 -0700)]
staging: comedi: adl_pci6208: pass on the error code from comedi_pci_enable

Return the actual error code from comedi_pci_enable instead of
assuming -EIO on failure. Also, shorten the local variable name 'retval'
to 'ret'.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: adl_pci6208: remove pci6208_pci_setup()
H Hartley Sweeten [Wed, 27 Jun 2012 21:58:03 +0000 (14:58 -0700)]
staging: comedi: adl_pci6208: remove pci6208_pci_setup()

Refactor pci6208_pci_setup() into the attach function. This
function simply enables the pci device and gets the PCI iobase
address used by the driver. There's no need for a separate
function to handle this.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: adl_pci6208: cleanup pci6208_pci_setup()
H Hartley Sweeten [Wed, 27 Jun 2012 21:57:22 +0000 (14:57 -0700)]
staging: comedi: adl_pci6208: cleanup pci6208_pci_setup()

The "local configuration register" stuff is not required. The
io base/range are only queried for use in a kernel message
that it just added noise. Similar with the io range for the
actual io base used by the driver.

Remove both printk's and all the unnecessary code.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: adl_pci6208: document the register map of the device
H Hartley Sweeten [Wed, 27 Jun 2012 21:56:43 +0000 (14:56 -0700)]
staging: comedi: adl_pci6208: document the register map of the device

Add defines for the register map of the device. These will be
used to clarify the code.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: adl_pci6208: remove the boardinfo 'ao_bits'
H Hartley Sweeten [Wed, 27 Jun 2012 21:56:03 +0000 (14:56 -0700)]
staging: comedi: adl_pci6208: remove the boardinfo 'ao_bits'

All the boards supported by this driver have 16-bit DACs. The
ao_bits variable in the boardinfo is commented out anyway.
Just remove it.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: adl_pci6208: refactor pci6208_find_device()
H Hartley Sweeten [Wed, 27 Jun 2012 21:55:19 +0000 (14:55 -0700)]
staging: comedi: adl_pci6208: refactor pci6208_find_device()

Make the "find pci device" functions consistent in the comedi
drivers. Hopefully well be able to move it into the core...

Refactor the "find pci device" function to return a pointer to
the found struct pci_dev instead of an error code. Also, change
some of the tests to reduce the indent level of the code. Pass
the struct comedi_devconfig pointer to the function instead of
the bus/slot numbers.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: adl_pci6208: remove thisboard and devpriv macros
H Hartley Sweeten [Wed, 27 Jun 2012 21:53:28 +0000 (14:53 -0700)]
staging: comedi: adl_pci6208: remove thisboard and devpriv macros

The 'thisboard' and 'devpriv' macros rely on a local variable having
a specific name and yield pointers derived from that local variable.
Replace the macros with local variables where used. Use the
comedi_board() helper to get the 'thisboard' pointer.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: cb_pcidas: fix dac08_write_insn()
H Hartley Sweeten [Wed, 27 Jun 2012 16:17:17 +0000 (09:17 -0700)]
staging: comedi: cb_pcidas: fix dac08_write_insn()

As pointed out by Ian Abbott, the comedi INSN_WRITE instructions
are meant to iterate over, and write, all the data[] passed from
the comedi core. Modify dac08_write_insn() to work as intended.

Since doc08_write_insn() now returns the proper response to the
core, make the dac08_write() helper return void.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reported-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: cb_pcidas: cleanup dac08_write()
H Hartley Sweeten [Wed, 27 Jun 2012 01:12:15 +0000 (18:12 -0700)]
staging: comedi: cb_pcidas: cleanup dac08_write()

Reverse the logic of the test against the cached value so that
the function only has one exit point.

Make the logic of the dac write a bit clearer by create a local
variable for the address used in the outw() calls and masking the
value to write and setting the enable bits before doing the outw()
calls. Add a comment just to make sure it's clear.

Also, add a comment about the 'return 1;'.  This should be
insn->n which is the number of data parameters used to do the
dac08_write_insn() but the insn is not a parameter to this
function.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: cb_pcidas: cleanup cb_pcidas_ai_rinsn()
H Hartley Sweeten [Wed, 27 Jun 2012 01:11:38 +0000 (18:11 -0700)]
staging: comedi: cb_pcidas: cleanup cb_pcidas_ai_rinsn()

Create local variables for the channel, range, and aref in order
to make the remaining code a bit cleaner.

Remove the extra space in all the comments.

Remove the 'static const int timeout' and just use the open
coded value in the loop.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: cb_pcidas: cleanup cb_pcidas_ao_nofifo_winsn()
H Hartley Sweeten [Wed, 27 Jun 2012 01:10:59 +0000 (18:10 -0700)]
staging: comedi: cb_pcidas: cleanup cb_pcidas_ao_nofifo_winsn()

Create local variables for the channel and range in order to
cleanup to mask/set of the ao_control_bits.

Remove the extra space in all the comments.

Return the number of data parameters used (insn->n) to indicate
success instead of the open coded '1'.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: cb_pcidas: cleanup cb_pcidas_ao_fifo_winsn()
H Hartley Sweeten [Wed, 27 Jun 2012 01:10:22 +0000 (18:10 -0700)]
staging: comedi: cb_pcidas: cleanup cb_pcidas_ao_fifo_winsn()

Create local variables for the channel and range in order to
cleanup to mask/set of the ao_control_bits.

Remove the extra space in all the comments.

Return the number of data parameters used (insn->n) to indicate
success instead of the open coded '1'.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: cb_pcidas: fix remaining checkpatch.pl issues
H Hartley Sweeten [Wed, 27 Jun 2012 01:09:40 +0000 (18:09 -0700)]
staging: comedi: cb_pcidas: fix remaining checkpatch.pl issues

Fix the remaining three "WARNING: line over 80 characters" issues
reported by checkpatch.pl.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: cb_pcidas: add whitespace to all the #define's
H Hartley Sweeten [Wed, 27 Jun 2012 01:09:01 +0000 (18:09 -0700)]
staging: comedi: cb_pcidas: add whitespace to all the #define's

Add whitespace to all the #define's in the driver in order to
improve the readability. Fix all the comments that are, or
already were, > 80 characters.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: cb_pcidas: change dac bit enums into defines
H Hartley Sweeten [Wed, 27 Jun 2012 01:08:17 +0000 (18:08 -0700)]
staging: comedi: cb_pcidas: change dac bit enums into defines

The 'bits' for the DAC_CSR register are currently defined as
enums. All the other registers use defines for the bit definitions.
Change the dac bit enums to defines to follow the other registers.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: cb_pcidas: fix comments in private data struct
H Hartley Sweeten [Wed, 27 Jun 2012 01:07:32 +0000 (18:07 -0700)]
staging: comedi: cb_pcidas: fix comments in private data struct

A number of the comments in the private data struct definition
are causing checkpatch.pl to complain about "WARNING: line over
80 characters". Fix the comments.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: cb_pcidas: remove 'volatile' on private data variables
H Hartley Sweeten [Wed, 27 Jun 2012 01:06:52 +0000 (18:06 -0700)]
staging: comedi: cb_pcidas: remove 'volatile' on private data variables

As indicated by checkpatch.pl, "WARNING: Use of volatile is usually
wrong: ...". The variables in the private data that are marked
volatile don't need to be. Remove the volatile.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: cb_pcidas: fix comments in *_cmdtest functions
H Hartley Sweeten [Wed, 27 Jun 2012 01:06:08 +0000 (18:06 -0700)]
staging: comedi: cb_pcidas: fix comments in *_cmdtest functions

Remove some cut-and-paste comments from the skel driver in the
*_cmdtest functions. Shorten some others to fix the checkpatch.pl
complaints about WARNING: line over 80 characters.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: cb_pcidas: fix some > 80 char lines
H Hartley Sweeten [Wed, 27 Jun 2012 01:05:12 +0000 (18:05 -0700)]
staging: comedi: cb_pcidas: fix some > 80 char lines

Fix some of the comments that cause checkpatch.pl to complain
about WARNING: line over 80 characters.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: cb_pcidas: fix a space before tab issue
H Hartley Sweeten [Wed, 27 Jun 2012 01:04:26 +0000 (18:04 -0700)]
staging: comedi: cb_pcidas: fix a space before tab issue

As reported by checkpatch.pl, spaces should not be used before
tabs.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: cb_pcidas: check for failure of subdev_8255_init
H Hartley Sweeten [Wed, 27 Jun 2012 01:03:34 +0000 (18:03 -0700)]
staging: comedi: cb_pcidas: check for failure of subdev_8255_init

It's possible for subdev_8255_init() to fail due to its kzalloc().
Make sure to check for this failure and pass on the error code.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: cb_pcidas: use the driver_name for the resource name
H Hartley Sweeten [Wed, 27 Jun 2012 01:02:40 +0000 (18:02 -0700)]
staging: comedi: cb_pcidas: use the driver_name for the resource name

Use the dev->driver->driver_name for the resource name passed
to pci_request_regions(), by way of comedi_pci_enable(), and
to request_irq() instead of the open coded "cb_pcidas".

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: cb_pcidas: move the "find pci" dev_printk messages
H Hartley Sweeten [Wed, 27 Jun 2012 01:01:51 +0000 (18:01 -0700)]
staging: comedi: cb_pcidas: move the "find pci" dev_printk messages

Move the dev_printk messages associated with the "find pci device"
from the *attach function into the *find_pci_device function.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: cb_pcidas: cleanup ai_config_insn()
H Hartley Sweeten [Wed, 27 Jun 2012 01:01:05 +0000 (18:01 -0700)]
staging: comedi: cb_pcidas: cleanup ai_config_insn()

Absorb the helper function ai_config_calibration_source() into
ai_config_insn() and remove the static const variable that
was in the helper function.

Return an error code (-EINVAL) when appropriate and the number
of data values used (insn->n) for success.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: cb_pcidas: cleanup the boardinfo 4
H Hartley Sweeten [Wed, 27 Jun 2012 01:00:19 +0000 (18:00 -0700)]
staging: comedi: cb_pcidas: cleanup the boardinfo 4

For aesthetic reasons, rename the ai_se_chans variable to
ai_nchan. It's a bit shorter and provides the necessary
information about the variable.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: cb_pcidas: cleanup the boardinfo 3
H Hartley Sweeten [Wed, 27 Jun 2012 00:59:17 +0000 (17:59 -0700)]
staging: comedi: cb_pcidas: cleanup the boardinfo 3

Remove the ai_diff_chans variable. This option is not used in
the driver. If it is used later, the value can be easily found
by using ai_se_chans/2.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: cb_pcidas: cleanup the boardinfo 2
H Hartley Sweeten [Wed, 27 Jun 2012 00:58:27 +0000 (17:58 -0700)]
staging: comedi: cb_pcidas: cleanup the boardinfo 2

Remove all the boardinfo values that are = 0. They will
default to that value.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: cb_pcidas: cleanup the boardinfo 1
H Hartley Sweeten [Wed, 27 Jun 2012 00:57:20 +0000 (17:57 -0700)]
staging: comedi: cb_pcidas: cleanup the boardinfo 1

For aesthetic reasons, add whitespace to the boardinfo to
improve readability.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: cb_pcidas: simplify the boardinfo
H Hartley Sweeten [Wed, 27 Jun 2012 00:56:43 +0000 (17:56 -0700)]
staging: comedi: cb_pcidas: simplify the boardinfo

The boardinfo values 'has_ai_trig_gated' and 'has_ai_trig_invert'
are both only set for the "1602" versions of the boards supported
by this driver.

Simplify the boardinfo, and the code, by replacing these two
variables with one "is_1602" variable.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: cb_pcidas: remove unused io region size defines
H Hartley Sweeten [Wed, 27 Jun 2012 00:56:04 +0000 (17:56 -0700)]
staging: comedi: cb_pcidas: remove unused io region size defines

The defines for the size of the io regions are not used in the
driver. Also, this information can be found using the pci helper
pci_resource_len(). Remove the defines.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: cb_pcidas: remove CB_PCIDAS_DEBUG define
H Hartley Sweeten [Wed, 27 Jun 2012 00:55:21 +0000 (17:55 -0700)]
staging: comedi: cb_pcidas: remove CB_PCIDAS_DEBUG define

This define enables some debug code that output a number
of dev_dbg() messages. These might be useful for development
but should not be in the final driver.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: cb_pcidas: remove the PCI BAR index defines
H Hartley Sweeten [Wed, 27 Jun 2012 00:54:38 +0000 (17:54 -0700)]
staging: comedi: cb_pcidas: remove the PCI BAR index defines

The defines for the "indices of the base address regions" don't
add much to the readability of the code. They are only used in
the pci_resource_start() calls to get the base address for
the various io regions and the names of the variables provide
adequate documentation.

Remove the defines and just use the open-coded values for the
BARs. Also, remove the incomplete comment above the initialization
of the variables.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: cb_pcidas: remove some obvious comments in the attach
H Hartley Sweeten [Wed, 27 Jun 2012 00:53:55 +0000 (17:53 -0700)]
staging: comedi: cb_pcidas: remove some obvious comments in the attach

These comments are unnecessary.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: cb_pcidas: factor out the find pci device code
H Hartley Sweeten [Wed, 27 Jun 2012 00:53:08 +0000 (17:53 -0700)]
staging: comedi: cb_pcidas: factor out the find pci device code

Factor the "find pci device" code out of the attach function.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: cb_pcidas: remove thisboard and devpriv macros
H Hartley Sweeten [Wed, 27 Jun 2012 00:52:29 +0000 (17:52 -0700)]
staging: comedi: cb_pcidas: remove thisboard and devpriv macros

The 'thisboard' and 'devpriv' macros rely on a local variable having
a specific name and yield pointers derived from that local variable.
Replace the macros with local variables where used. use the
comedi_board() helper to get the 'thisboard' pointer.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: cb_pcidas: remove forward declarations 9
H Hartley Sweeten [Wed, 27 Jun 2012 00:51:53 +0000 (17:51 -0700)]
staging: comedi: cb_pcidas: remove forward declarations 9

Move the nvram_read function, and its helper, to remove the need
for the last of the forward declarations.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: cb_pcidas: remove forward declarations 8
H Hartley Sweeten [Wed, 27 Jun 2012 00:51:14 +0000 (17:51 -0700)]
staging: comedi: cb_pcidas: remove forward declarations 8

Move the trimpot_{7376,8402}_write functions to remove the need
for the forward declarations.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: cb_pcidas: remove forward declarations 7
H Hartley Sweeten [Wed, 27 Jun 2012 00:50:36 +0000 (17:50 -0700)]
staging: comedi: cb_pcidas: remove forward declarations 7

Move the caldac_8800_write function, and it's helper, to remove
the need for the forward declaration.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: cb_pcidas: remove forward declarations 6
H Hartley Sweeten [Wed, 27 Jun 2012 00:49:58 +0000 (17:49 -0700)]
staging: comedi: cb_pcidas: remove forward declarations 6

Move the cb_pcidas_load_counters function to remove the need for
the forward declaration.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: cb_pcidas: remove forward declarations 5
H Hartley Sweeten [Wed, 27 Jun 2012 00:49:22 +0000 (17:49 -0700)]
staging: comedi: cb_pcidas: remove forward declarations 5

Move the cb_pcida_ao_cancel function to remove the need for
the forward declaration.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: cb_pcidas: remove forward declarations 4
H Hartley Sweeten [Wed, 27 Jun 2012 00:48:43 +0000 (17:48 -0700)]
staging: comedi: cb_pcidas: remove forward declarations 4

Move the cb_pcida_cancel function to remove the need for
the forward declaration.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 years agostaging: comedi: cb_pcidas: remove forward declarations 3
H Hartley Sweeten [Wed, 27 Jun 2012 00:48:05 +0000 (17:48 -0700)]
staging: comedi: cb_pcidas: remove forward declarations 3

Move the handle_ao_interrupt function to remove the need for
the forward declaration.

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