Commit graph

348414 commits

Author SHA1 Message Date
Przemo Firszt
94973b63e1 rtl8712: remove unused macros from rtl8712/wifi.h
Those definitions are not used anywhere in the kernel. If you know any
reason why they should stay in the code please speak up!

Signed-off-by: Przemo Firszt <przemo@firszt.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-11 16:39:11 -08:00
Przemo Firszt
c07f972105 rtl8712: code clean up
Clean some trivial formating problems in rtl8712 from staging tree. This patch
also changes the way preprocessor macros are defined to keep checkpatch.pl
quiet.

Signed-off-by: Przemo Firszt <przemo@firszt.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-11 16:39:11 -08:00
Patrik Karlin
666b3bf2f1 staging: rtl8192u: fixed coding style issues in r8192U_core.c
This patch fixes some coding style issuses in r8192U_core.c
No logic is changed

Signed-off-by: Patrik Kårlin <patrik.karlin@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-11 16:37:11 -08:00
Patrik Karlin
29b48ae391 staging: rtl8192u: removed some non used else's
This patch removes some else blocks that has no function in the
code

Signed-off-by: Patrik Kårlin <patrik.karlin@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-11 16:37:11 -08:00
Patrik Karlin
f00c493b51 staging: rtl8192u: fixed some coding style issues in r8192U_core.c
This patch fixes some coding style issues. in r8192U_core.c
No logic is changed.

Signed-off-by: Patrik Kårlin <patrik.karlin@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-11 16:37:11 -08:00
Cyril Roelandt
0fb3321321 rtl8712: remove useless calls to memset().
These calls are followed by calls to memcpy() on the same memory area, so they
can be safely removed.

Signed-off-by: Cyril Roelandt <tipecaml@gmail.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-11 16:37:11 -08:00
Greg Kroah-Hartman
17cb3be61b Merge branch 'staging-linus' into staging-next
This is to get the comedi fixes, and resolve the issue in comdi_test.c
and comedi_fops.c that were caused by changes in both branches.

It also allows the fwserial driver changes to be applied, as they
required the fixes that are in staging-linus.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-07 15:17:52 -08:00
Omar Ramirez Luna
e16a922a27 staging: tidspbridge: use prepare/unprepare on dsp clocks
This solves runtime failures while trying to enable WDT3 related
functionality on firmware load, however it does affect other clocks
controlled by the driver. Seen on 3.8-rc1.

CCF provides clk_prepare and clk_unprepare for enable and disable
operations respectively, this needs to be called in the correct
order while handling clocks.

Code path to enable/disable dsp clocks can still be reached from an
atomic context, hence we can't use clk_prepare_enable and
clk_disable_unprepare yet.

Signed-off-by: Omar Ramirez Luna <omar.ramirez@copitl.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-07 15:03:56 -08:00
Enric Balletbo i Serra
fe02508529 staging: tidspbridge: Fix build breakage due to splitting CM functions.
Commit ff4ae5d (ARM: OMAP2+: CM/hwmod: split CM functions into OMAP2, OMAP3-specific files)
resulted in a build breakage for tidspbridge driver.

   ...
   CC [M]  drivers/staging/tidspbridge/core/tiomap3430.o
   staging/tidspbridge/core/tiomap3430.c: In function ‘bridge_brd_start’:
   staging/tidspbridge/core/tiomap3430.c:550:24: error: ‘OMAP3430_CM_AUTOIDLE_PLL’
     undeclared (first use in this function)
   make[3]: *** [drivers/staging/tidspbridge/core/tiomap3430.o] Error 1
   ...

Fix this by including the appropriate header file.

Signed-off-by: Enric Balletbo i Serra <eballetbo@iseebcn.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-07 15:02:37 -08:00
Cruz Julian Bishop
d7f9729f6e staging: android: Add some Kconfig help entries
This commit adds Kconfig entries for the following:

	1: ANDROID_BINDER_IPC
	2: ASHMEM (additional text)
	3: ANDROID_LOGGER

It also changes "Register" to "Registers" in
ANDROID_LOW_MEMORY_KILLER

Finally, all "help" instances are changed to "---help---",
as recommended by kconfig-language.txt in order to visually
aid developers.

Signed-off-by: Cruz Julian Bishop <cruzjbishop@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-07 14:59:57 -08:00
Cruz Julian Bishop
167bccbd80 staging: android: Fix two checkpatch issues in binder.c
This fixes two instances of
"static const char * array should probably be static const char * const"

I have seen other commits doing this in other files, so I am
assuming it should be done here as well.

Please tell me if this is wrong :)

Signed-off-by: Cruz Julian Bishop <cruzjbishop@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-07 14:59:57 -08:00
Cruz Julian Bishop
0f5afdd238 staging: android: Avoid using camelcase in binder.h
This changes the following:

1: BinderDriverReturnProtocol -> binder_driver_return_protocol
2: BinderDriverCommandProtocol -> binder_driver_return_protocol

These enums are not currently used, but still generate noise in checkpatch.

Well, did. They don't now :)

Signed-off-by: Cruz Julian Bishop <cruzjbishop@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-07 14:59:57 -08:00
Peter Huewe
94b84e4510 staging/csr: Fix dereference before check
Smatch complains about some pointers that are dereferenced before being
checked:

drivers/staging/csr/sme_sys.c:285
CsrWifiRouterCtrlHipReqHandler() warn: variable dereferenced before
check 'priv' (see line 283)
drivers/staging/csr/sme_sys.c:1503
CsrWifiRouterMaPacketReqHandler() warn: variable dereferenced before
check 'priv' (see line 1501)
drivers/staging/csr/sme_sys.c:2062
CsrWifiRouterCtrlPeerDelReqHandler() warn: variable dereferenced before
check 'priv' (see line 2059)
drivers/staging/csr/sme_sys.c:2477
CsrWifiRouterCtrlPeerAddReqHandler() warn: variable dereferenced before
check 'priv' (see line 2474)
drivers/staging/csr/sme_sys.c:3045
CsrWifiRouterCtrlWapiRxPktReqHandler() warn: variable dereferenced
before check 'priv' (see line 3039)

We put the check before the dereferencing and prevent an oops and fix
the warning.

Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-07 14:56:04 -08:00
Masanari Iida
dbc320f749 staging: Add angle bracket before and after the URL
Add missing angle bracket before and after the URL.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-07 14:56:04 -08:00
Masanari Iida
2cc1dd939c staging: vme: Fix URL in Kconfig
The URL vmelinux.org is not accessible.
Change it to www.vmelinux.org.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-07 14:56:04 -08:00
Cyril Roelandt
2df29e7bf2 staging: rtl8712: avoid a useless call to memset().
In r8711_wx_get_wap(), make sure we do not call memcpy() on a memory area that
has just been zeroed by a call to memset().

Signed-off-by: Cyril Roelandt <tipecaml@gmail.com>
Acked-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-07 14:53:58 -08:00
Cyril Roelandt
ac6a98d452 staging: omap-thermal: fix error check in omap_thermal_expose_sensor() and in omap_thermal_register_cpu_cooling().
The omap_bandgap_get_sensor_data() function returns ERR_PTR(), so we need to use
IS_ERR() rather than a NULL check.

Signed-off-by: Cyril Roelandt <tipecaml@gmail.com>
Acked-by: Eduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-07 14:53:58 -08:00
H Hartley Sweeten
fd958f7eb4 staging: comedi: Makefile: conditionally compile multi-file core module
Instead of using the #ifdef'ery in the comedi_compat32.c and proc.c
files to include/exclude them from the comedi core, modify the Makefile
to include those files automatically when enabled in the .config.

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>
2013-01-07 14:51:11 -08:00
Ian Abbott
c0729eeefd staging: comedi: comedi_test: fix race when cancelling command
Éric Piel reported a kernel oops in the "comedi_test" module.  It was a
NULL pointer dereference within `waveform_ai_interrupt()` (actually a
timer function) that sometimes occurred when a running asynchronous
command is cancelled (either by the `COMEDI_CANCEL` ioctl or by closing
the device file).

This seems to be a race between the caller of `waveform_ai_cancel()`
which on return from that function goes and tears down the running
command, and the timer function which uses the command.  In particular,
`async->cmd.chanlist` gets freed (and the pointer set to NULL) by
`do_become_nonbusy()` in "comedi_fops.c" but a previously scheduled
`waveform_ai_interrupt()` timer function will dereference that pointer
regardless, leading to the oops.

Fix it by replacing the `del_timer()` call in `waveform_ai_cancel()`
with `del_timer_sync()`.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reported-by: Éric Piel <piel@delmic.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-07 14:48:25 -08:00
Ian Abbott
34ffb33e09 staging: comedi: Kconfig: COMEDI_NI_AT_A2150 should select COMEDI_FC
The 'ni_at_a2150' module links to `cfc_write_to_buffer` in the
'comedi_fc' module, so selecting 'COMEDI_NI_AT_A2150' in the kernel config
needs to also select 'COMEDI_FC'.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Cc: stable <stable@vger.kernel.org> # 3.6+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-07 14:48:24 -08:00
Lijo Antony
5eaf711b53 Staging: comedi: addi_common.c: checkpatch.pl fixes
checkpatch.pl style fixes:
- Broken license text into 80 char lines
- fixed two space before tab issues
- Removed unnecessary braces from if-else

Signed-off-by: Lijo Antony <lijo.kernel@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-07 14:40:00 -08:00
Ian Abbott
ae6eee39ae staging: comedi: comedi_test: whitespace fixes
Fix lines over 80 characters and line up nearby comments.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-07 14:37:13 -08:00
Ian Abbott
0642c94bcb staging: comedi: comedi_test: tidy up waveform_ai_interrupt()
Use a local variable to reduce the indentation in
`waveform_ai_interrupt()`.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-07 14:37:13 -08:00
Ian Abbott
8bd48c9ef1 staging: comedi: comedi_test: make samples unsigned
Represent the fake samples as unsigned shorts instead of signed shorts,
as this is the usual Comedi convention.  There is no change to the
actual binary representation, although the `cfc_write_to_buffer()` call
currently expects a signed short for some bizarre reason.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-07 14:37:12 -08:00
Ian Abbott
ea4f72b279 staging: comedi: comedi_test: change end-of-acquisition test
In the "comedi_test" module's acquisition timer function
`waveform_ai_interrupt()`, move the code for ending the acquisition
outside the scan loop.  Determine if the number of scans to be done is
sufficient to end the acquisition before entering the scan loop.  On
leaving the scan loop, set the `COMEDI_CB_EOA` event if the acquisition
is ending.  Only reschedule the timer if the acquisition is not ending.

Remove the somewhat useless `timer_running` flag from the private data.
This was intended to stop the timer function adding the timer back on
the timer queue periodically, but the flag setting wasn't synchronized
with the timer and we already use `del_timer_sync()` to synchronize
removal from the queue.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-07 14:37:12 -08:00
Ian Abbott
594dc67c23 staging: comedi: comedi_test: remove unnecessary del_timer() call
In the "comedi_test" module, the timer function
`waveform_ai_interrupt()` doesn't need to remove the timer from the
timer queue as the caller has already removed it from the queue.  Remove
the call to `del_timer()` in this function.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-07 14:37:12 -08:00
Ian Abbott
0653bed679 staging: comedi: comedi_test: fix race when cancelling command
Éric Piel reported a kernel oops in the "comedi_test" module.  It was a
NULL pointer dereference within `waveform_ai_interrupt()` (actually a
timer function) that sometimes occurred when a running asynchronous
command is cancelled (either by the `COMEDI_CANCEL` ioctl or by closing
the device file).

This seems to be a race between the caller of `waveform_ai_cancel()`
which on return from that function goes and tears down the running
command, and the timer function which uses the command.  In particular,
`async->cmd.chanlist` gets freed (and the pointer set to NULL) by
`do_become_nonbusy()` in "comedi_fops.c" but a previously scheduled
`waveform_ai_interrupt()` timer function will dereference that pointer
regardless, leading to the oops.

Fix it by replacing the `del_timer()` call in `waveform_ai_cancel()`
with `del_timer_sync()`.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reported-by: Éric Piel <piel@delmic.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-07 14:37:12 -08:00
Lijo Antony
21f181f16c Staging: comedi: comedidev.h: fixed a camel case
Fixed a camel case issue.

Signed-off-by: Lijo Antony <lijo.kernel@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-07 14:34:49 -08:00
H Hartley Sweeten
90a35c15c5 staging: comedi: store the 'index' for each subdevice
Store the 'index' for each comedi_subdevice when they are initially
allocated by comedi_alloc_subdevice(). This allows removing the
pointer math in comedi_fops.c which is used to figure out the
index that user space uses to access the individual subdevices.

Fix the ni_mio_common driver so it also uses the 'index' instead
of doing the pointer math.

Also, remove a couple unused macros in the pcmda12, pcmmio, and
pcmuio drivers which also do the pointer math to figure out the
index.

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>
2013-01-07 14:28:19 -08:00
H Hartley Sweeten
71cf6d3ee9 staging: comedi: comedi_fops: use kzalloc in comedi_alloc_subdevice_minor()
The hardware_device member of comedi_file_info is not set in this
function. Use kzalloc to make sure this pointer does not contain
invalid data.

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>
2013-01-07 14:25:49 -08:00
H Hartley Sweeten
a52840a98b staging: comedi: comedi_fops: cleanup comedi_mmap()
Use comedi_dev_from_minor() to simplify the return -ENODEV tests.

Change the (foo == NULL) tests to simply (!foo).

Use a local variable to hold a pointer to the async->buf_page_list[]
when doing the remap_pfn_range(). This cleans up the ugly line breaks
for the page_to_pfn(virt_to_page(...) operation.

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>
2013-01-07 14:25:49 -08:00
H Hartley Sweeten
401d99de5c staging: comedi: comedi_fops: cleanup comedi_{read, write}_subdevice()
Flip the info->device tests so than the return NULL occurs last.

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>
2013-01-07 14:25:49 -08:00
H Hartley Sweeten
9682e28c49 staging: comedi: comedi_fops: introduce comedi_is_subdevice_idle()
Introduce, and use, a helper to check the subdevice runflags to see if
it is not in error and not running.

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>
2013-01-07 14:25:49 -08:00
H Hartley Sweeten
c098c21a9d staging: comedi: comedi_fops: introduce comedi_is_subdevice_in_error()
Introduce, and use, a helper to check the subdevice runflags to see if
the SRF_ERROR flag is set.

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>
2013-01-07 14:25:49 -08:00
H Hartley Sweeten
ade1764ff5 staging: comedi: comedi_fops: don't export comedi_get_subdevice_runflags()
The subdevice runflags are protected with a spin_lock. Only the comedi
core should be accessing them 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>
2013-01-07 14:25:49 -08:00
H Hartley Sweeten
f012463068 staging: comedi: use comedi_is_subdevice_running()
Use the helper function comedi_is_subdevice_running() instead of getting
the subdevice runflags and then masking the result.

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>
2013-01-07 14:25:49 -08:00
H Hartley Sweeten
e0dac318ee staging: comedi: comedi_fops: introduce comedi_is_subdevice_running()
Introduce a helper function that checks the subdevice runflags to
see if the subdevice is running a command.

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>
2013-01-07 14:25:48 -08:00
H Hartley Sweeten
74120719a7 staging: comedi: comedi_fops: move comedi_get_subdevice_runflags()
For aesthetic reasons, move this function so its near
comedi_set_subdevice_runflags().

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>
2013-01-07 14:25:48 -08:00
H Hartley Sweeten
bc252fd12c staging: comedi: comedi_fops: fix a number of sizeof(struct foo) forms
As mentioned in CodingStyle, the prefered form is:

	p = kmalloc(sizeof(*p), ...);

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>
2013-01-07 14:25:48 -08:00
H Hartley Sweeten
76cca89f4b staging: comedi: comedi_fops: move comedi_cleanup_legacy_minors()
This function is only called by the module_{init,exit} functions. For
aesthetic reasons, move it near 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>
2013-01-07 14:25:48 -08:00
H Hartley Sweeten
91fa0b0c96 staging: comedi: comedi_fops: move the module_{init, exit} functions to EOF
For aesthetic reasons, move the module_{init,exit} functions 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>
2013-01-07 14:25:48 -08:00
H Hartley Sweeten
a5787824c0 staging: comedi: comedi_fops: move the MODULE_* information to EOF
For aesthetic reasons, move the MODULE_* information 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>
2013-01-07 14:25:48 -08:00
H Hartley Sweeten
2714b019fd staging: comedi: comedi_fops: remove the goto's in comedi_write()
Use comedi_dev_from_minor() to simplify the return -ENODEV tests.

Cleanup the sanity checking a bit and remove the need for the goto's
when returning an initial error condition.

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>
2013-01-07 14:25:48 -08:00
H Hartley Sweeten
5c87fef53c staging: comedi: comedi_fops: remove the goto's in comedi_read()
Use comedi_dev_from_minor() to simplify the return -ENODEV tests.

Cleanup the sanity checking a bit and remove the need for the goto's
when returning an initial error condition.

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>
2013-01-07 14:25:47 -08:00
H Hartley Sweeten
ca081b1d7e staging: comedi: comedi_fops: cleanup comedi_poll()
Consolidate the local variables 'read_subdev' and 'write_subdev' into a
single local variable 's'.

Use comedi_dev_from_minor() to simplify the return -ENODEV tests.

Use a goto in the !dev->attached test so that the mutex_unlock() call
is in a common place.

Cleanup the formating of the || in the read and write subdevice poll
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>
2013-01-07 14:25:47 -08:00
H Hartley Sweeten
0e700923bf staging: comedi: comedi_fops: cleanup do_devinfo_ioctl()
Consolidate the local variables 'read_subdev' and 'write_subdev' into a
single local variable 's'.

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>
2013-01-07 14:25:47 -08:00
H Hartley Sweeten
7d8a25674f staging: comedi: comedi_fops: rename comedi_{read,write}_subdevice()
The 'get' usually implies increasing a reference count of an object.
These function return a pointer but do not do any reference counting.
For aesthetic reasons, rename the functions to better represent what
they do.

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>
2013-01-07 14:25:47 -08:00
H Hartley Sweeten
ed69335c72 staging: comedi: comedi_fops: rename comedi_get_device_file_info()
The 'get' usually implies increasing a reference count of an object.
This function returns a pointer but does not do any reference counting.
For aesthetic reasons, rename the function to better represent what
its doing.

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>
2013-01-07 14:25:47 -08:00
H Hartley Sweeten
cd6b7636e9 staging: comedi: comedi_fops: rename struct comedi_device_file_info
For aesthetic reasons, rename this struct to comedi_file_info. It's
a bit shorter and allows fixing some of the ugly line breaks used
to keep the lines < 80 chars.

Also, consistently use the local variable name 'info' instead of the
longer 'dev_file_info' to also fix some ugly line breaks.

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>
2013-01-07 14:25:47 -08:00
H Hartley Sweeten
e79c8d2100 staging: comedi: don't expose struct comedi_device_file_info
This structure is only used in comedi_fops.c as part of handling
the file operations and sysfs files. Remove it's defenition from
comedidev.h so it's not exposed to the comedi 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>
2013-01-07 14:25:47 -08:00