Commit graph

432713 commits

Author SHA1 Message Date
H Hartley Sweeten
52037a0d52 staging: comedi: drivers should not clear the async->events
The comedi core resets the async->events in comedi_buf_reset() which is
called when the subdevice is restored to an idle state and at the start
of an async command. The async->events are also cleared after handling
the events in comedi_event().

Drivers should not clear the events manually.

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>
2014-03-17 13:55:57 -07:00
H Hartley Sweeten
fb6aa25009 staging: comedi: quatech_daqp_cs: use cfc_handle_events()
Use the comedi_fc helper function to automatically call the subdevice
(*cancel) function when needed and call comedi_event().

Update the Kconfig so that COMEDI_QUATECH_DAQP_CS selects COMEDI_FC.

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>
2014-03-17 13:55:57 -07:00
H Hartley Sweeten
a4ccee260c staging: comedi: ni_pcidio: use cfc_handle_events()
Use the comedi_fc helper function instead of duplicating the code.

In the Kconfig, COMEDI_NI_PCIDIO selects COMEDI_FC indirectly by
selecting COMEDI_MITE which selects COMEDI_FC.

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>
2014-03-17 13:55:57 -07:00
H Hartley Sweeten
3c5e6a62e3 staging: comedi: ni_labpc: use cfc_handle_events()
Use the comedi_fc helper function to automatically call the subdevice
(*cancel) function when needed and call comedi_event().

Also, remove the clearing of the events, comedi_event() does that.

In the Kconfig, COMEDI_NI_LABPC already selects COMEDI_FC.

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>
2014-03-17 13:55:56 -07:00
H Hartley Sweeten
d288151847 staging: comedi: dt3000: use cfc_handle_events()
Use the comedi_fc helper function to automatically call the subdevice
(*cancel) function when needed and call comedi_event().

Update the Kconfig so that COMEDI_DT3000 selects COMEDI_FC.

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>
2014-03-17 13:55:56 -07:00
H Hartley Sweeten
199c3536dd staging: comedi: ni_660x: use cfc_handle_events()
Use the comedi_fc helper function instead of duplicating the code.

In the Kconfig, COMEDI_NI_660X selects COMEDI_FC indirectly by selecting
COMEDI_NI_TIOCMD which selects COMEDI_MITE which selects COMEDI_FC.

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>
2014-03-17 13:55:56 -07:00
H Hartley Sweeten
2f1f7ea0c5 staging: comedi: pcl818: use cfc_handle_events()
Use the comedi_fc helper function to automatically call the subdevice
(*cancel) function when needed and call comedi_event().

Update the Kconfig so that COMEDI_PCL818 selects COMEDI_FC.

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>
2014-03-17 13:55:56 -07:00
H Hartley Sweeten
61c3393f93 staging: comedi: pcl816: use cfc_handle_events()
Use the comedi_fc helper function to automatically call the subdevice
(*cancel) function when needed and call comedi_event().

Update the Kconfig so that COMEDI_PCL816 selects COMEDI_FC.

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>
2014-03-17 13:55:56 -07:00
H Hartley Sweeten
8a8bd45441 staging: comedi: pcl812: use cfc_handle_events()
Use the comedi_fc helper function to automatically call the subdevice
(*cancel) function when needed and call comedi_event().

Update the Kconfig so that COMEDI_PCL812 selects COMEDI_FC.

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>
2014-03-17 13:55:55 -07:00
H Hartley Sweeten
38255b623e staging: comedi: cb_pcidas: use cfc_handle_events()
Use the comedi_fc helper function to automatically call the subdevice
(*cancel) function when needed and call comedi_event().

Also, remove the clearing of the events, comedi_event() does that.

In the Kconfig, COMEDI_CB_PCIDAS already selects COMEDI_FC.

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>
2014-03-17 13:55:55 -07:00
H Hartley Sweeten
94c0377d56 staging: comedi: amplc_pci224: use cfc_handle_events()
Use the comedi_fc helper function to automatically call the subdevice
(*cancel) function when needed and call comedi_event().

In the Kconfig, COMEDI_AMPLC_PCI224 already selects COMEDI_FC.

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>
2014-03-17 13:55:55 -07:00
H Hartley Sweeten
a21eacfeb5 staging: comedi: ni_mio_common: use cfc_handle_events()
The ni_event() function in this file is an open coded version of
cfc_handle_events() where instead of calling the subdevice (*cancel)
function a switch is used to call the function based on the subdevice
'index'.

Use the comedi_fc helper function to simplify the code.

This also allows removing a couple of the forward declarations.

Fix the #ifdef/#endif for the ni_gpct_cancel() foward declaration and
around the function. This function is now only referenced by code that
is blocked with #ifdef PCIDMA.

This source file is included by the ni_atmio, ni_mio_cs, and ni_pcimio
drivers. In the Kconfig, the config options for these drivers already
select COMEDI_FC.

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>
2014-03-17 13:55:55 -07:00
H Hartley Sweeten
e5bdf51216 staging: comedi: ni_at_a2150: use cfc_handle_events()
Use the comedi_fc helper function to automatically call the subdevice
(*cancel) function when needed and call comedi_event().

Also, remove the clearing of the events, comedi_event() does that.

In the Kconfig, COMEDI_NI_AT_A2150 already selects COMEDI_FC.

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>
2014-03-17 13:55:55 -07:00
H Hartley Sweeten
f21c74fa4c staging: comedi: dt282x: use cfc_handle_events()
Use the comedi_fc helper function to automatically call the subdevice
(*cancel) function when needed and call comedi_event().

This also fixes two bugs.
  1) the analog input command is canceled due to a buffer overflow
     without sending an event (@@ -341,7 +340,7 @@).
  2) an analog output error causes the command to cancel but the event
     is reported to the analog input subdevice (@@ -449,15 +447,13 @@).

In the Kconfig, COMEDI_DT282X already selects COMEDI_FC.

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>
2014-03-17 13:55:54 -07:00
H Hartley Sweeten
c969509301 staging: comedi: das1800: use cfc_handle_events()
Use the comedi_fc helper function to automatically call the subdevice
(*cancel) function when needed and call comedi_event().

In the Kconfig, COMEDI_DAS1800 already selects COMEDI_FC.

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>
2014-03-17 13:55:54 -07:00
H Hartley Sweeten
f382898fab staging: comedi: das800: use cfc_handle_events()
Use the comedi_fc helper function to automatically call the subdevice
(*cancel) function when needed and call comedi_event().

Also, remove the clearing of the event, comedi_event() does that.

In the Kconfig, COMEDI_DAS800 already selects COMEDI_FC.

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>
2014-03-17 13:55:54 -07:00
H Hartley Sweeten
6278c5d892 staging: comedi: das16m1: use cfc_handle_events()
Use the comedi_fc helper function to automatically call the subdevice
(*cancel) function when needed and call comedi_event().

In the Kconfig, COMEDI_DAS16M1 already selects COMEDI_FC.

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>
2014-03-17 13:55:54 -07:00
H Hartley Sweeten
a18fad85cc staging: comedi: adv_pci1710: use cfc_handle_events()
Use the comedi_fc helper function to automatically call the subdevice
(*cancel) function when needed and call comedi_event().

Update the Kconfig to select COMEDI_FC when COMEDI_ADL_PCI9111 is enabled.

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>
2014-03-17 13:55:54 -07:00
H Hartley Sweeten
0056f54813 staging: comedi: adl_pci9111: use cfc_handle_events()
Use the comedi_fc helper function to automatically call the subdevice
(*cancel) function when needed and call comedi_event().

In the Kconfig, COMEDI_ADL_PCI9111 already selects COMEDI_FC.

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>
2014-03-17 13:55:54 -07:00
H Hartley Sweeten
def69d7f82 staging: comedi: adl_pci9118: use cfc_handle_events()
Use the comedi_fc helper function to automatically call the subdevice
(*cancel) function when needed and call comedi_event().

In the Kconfig, COMEDI_ADL_PCI9118 already selects COMEDI_FC.

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>
2014-03-17 13:55:53 -07:00
H Hartley Sweeten
12d6dda6b9 staging: comedi: mite: use cfc_inc_scan_progress()
Use the comedi_fc helper function instead of duplicating the code.

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>
2014-03-17 13:55:53 -07:00
H Hartley Sweeten
bcc6df4d64 staging: comedi: comedi_fc: export increment_scan_progress()
Rename this function to cfc_inc_scan_progress() and export it for
use by the comedi drivers.

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>
2014-03-17 13:55:53 -07:00
H Hartley Sweeten
a1b5b0bfcd staging: comedi: comedi_fc: export cfc_bytes_per_scan()
This helper function is a bit long to be inlined. Move it to the
source file and export it.

The mite driver is the only external user right now. Update the
Kconfig to select COMEDI_FC when COMEDI_MITE is enabled.

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>
2014-03-17 13:55:53 -07:00
H Hartley Sweeten
68ef50f6cb staging: comedi: comedi_fc: tidy up cfc_bytes_per_scan()
This function returns the total number of bytes for a full scan of
an async command chanlist. The returned value is an unsigned int.

Change all the local variables to unsigned int and use a local
variable for the s->async->cmd.chanlist_len.

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>
2014-03-17 13:55:53 -07:00
H Hartley Sweeten
a3065bc9b4 staging: comedi: comedi_fc: rename comedi_subdevice variables in header
Typically the comedi_subdevice variable is simply named 's'. Rename
the variables in comedi_fc.h.

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>
2014-03-17 13:55:52 -07:00
H Hartley Sweeten
8af9dd1211 staging: comedi: comedi_fc: remove 'extern' from function prototypes
The 'extern' is not needed in the prototypes for the exported functions
in the header. Remove 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>
2014-03-17 13:55:52 -07:00
H Hartley Sweeten
b6b9377332 staging: comedi: comedi_fc: tidy up multi-line comment in header
Tidy up the multi-line comment 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>
2014-03-17 13:55:52 -07:00
H Hartley Sweeten
b625520f36 staging: comedi: comedi_fc: remove unnecessary prefix in dev_warn() message
The dev_warn() will automatically have the "comedi" prefix.

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>
2014-03-17 13:55:52 -07:00
H Hartley Sweeten
658ebb8ce2 staging: comedi: comedi_fc: rename comedi_subdevice variables
Typically the comedi_subdevice variable is simply named 's'. Rename
the variables in this file.

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>
2014-03-17 13:55:52 -07:00
H Hartley Sweeten
5e733d0449 staging: comedi: comedi_fc: tidy up multi-line comment
Tidy up the multi-line comment 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>
2014-03-17 13:55:51 -07:00
H Hartley Sweeten
0a9d6458bb staging: comedi: comedi_fc: tidy up module init
For aesthetics, move the MODULE_* information to the end of the file
and move the module_{init,exit}() after the 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>
2014-03-17 13:55:51 -07:00
Viro
2f69fa829c percpu: allocation size should be even
723ad1d90b ("percpu: store offsets instead of lengths in ->map[]")
updated percpu area allocator to use the lowest bit, instead of sign,
to signify whether the area is occupied and forced min align to 2;
unfortunately, it forgot to force the allocation size to be even
causing malfunctions for the very rare odd-sized allocations.

Always force the allocations to be even sized.

tj: Wrote patch description.

Original-patch-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Tejun Heo <tj@kernel.org>
2014-03-17 16:10:29 -04:00
Doug Wilson
151b628f10 sparc64:tsb.c:use array size macro rather than number
This is a small patch which uses ARRAY_SIZE macro
    rather than a number to make code readability better.

Signed-off-by: Doug Wilson <doug.lkml@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-17 15:55:49 -04:00
Dave Kleikamp
1535bd8adb sparc64: don't treat 64-bit syscall return codes as 32-bit
When checking a system call return code for an error,
linux_sparc_syscall was sign-extending the lower 32-bit value and
comparing it to -ERESTART_RESTARTBLOCK. lseek can return valid return
codes whose lower 32-bits alone would indicate a failure (such as 4G-1).
Use the whole 64-bit value to check for errors. Only the 32-bit path
should sign extend the lower 32-bit value.

Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Acked-by: Bob Picco <bob.picco@oracle.com>
Acked-by: Allen Pais <allen.pais@oracle.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: sparclinux@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-17 15:54:52 -04:00
Loc Ho
db8c0286d1 arm64: Add APM X-Gene SoC AHCI SATA host controller DTS entries
This patch adds APM X-Gene SoC AHCI SATA host controller DTS entries.

Signed-off-by: Loc Ho <lho@apm.com>
Signed-off-by: Tuan Phan <tphan@apm.com>
Signed-off-by: Suman Tripathi <stripathi@apm.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Tejun Heo <tj@kernel.org>
2014-03-17 15:54:42 -04:00
Loc Ho
81d01bfa51 ata: Add APM X-Gene SoC AHCI SATA host controller driver
This patch adds support for the APM X-Gene SoC AHCI SATA host controller
driver. It requires the corresponding APM X-Gene SoC PHY driver. This
initial version only supports Gen3 speed.

Signed-off-by: Loc Ho <lho@apm.com>
Signed-off-by: Tuan Phan <tphan@apm.com>
Signed-off-by: Suman Tripathi <stripathi@apm.com>
Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
2014-03-17 15:54:40 -04:00
Loc Ho
1ccaead5f5 Documentation: Add documentation for the APM X-Gene SoC SATA host controller DTS binding
This patch adds documentation for the APM X-Gene SoC SATA host controller DTS
binding.

Signed-off-by: Loc Ho <lho@apm.com>
Signed-off-by: Tuan Phan <tphan@apm.com>
Signed-off-by: Suman Tripathi <stripathi@apm.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Tejun Heo <tj@kernel.org>
2014-03-17 15:54:40 -04:00
Loc Ho
71b70ee935 arm64: Add APM X-Gene SoC 15Gbps Multi-purpose PHY DTS entries
This patch adds the DTS entries for the APM X-Gene SoC 15Gbps Multi-purpose
PHY driver. The PHY for SATA controller 2 and 3 are enabled by default.

Signed-off-by: Loc Ho <lho@apm.com>
Signed-off-by: Tuan Phan <tphan@apm.com>
Signed-off-by: Suman Tripathi <stripathi@apm.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Tejun Heo <tj@kernel.org>
2014-03-17 15:54:40 -04:00
H Hartley Sweeten
d6ae506204 staging: comedi: jr3_pci: remove 'channel_no' from subdevice private data
This member of the subdevice private data is just the subdevice 'index'. Use
that instead and remove the member.

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>
2014-03-17 12:38:54 -07:00
H Hartley Sweeten
da1331a503 staging: comedi: jr3_pci: rename struct poll_delay_t
Rename this private struct so it has namespace associated with 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>
2014-03-17 12:38:54 -07:00
H Hartley Sweeten
0a44493fb1 staging: comedi: jr3_pci: rename struct transform_t
Rename this private struct so it has namespace associated with 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>
2014-03-17 12:38:54 -07:00
H Hartley Sweeten
ed8cd56020 staging: comedi: jr3_pci: remove 'n_channels' from private data
This member of the private data is actually the number of subdevices. We
can get that information directly from the comedi_device. Do that instead
and remove the unnecessary member from the private 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>
2014-03-17 12:38:54 -07:00
H Hartley Sweeten
7211806a7c staging: comedi: jr3_pci: introduce boardinfo for the supported boards
Create an enum for the boards supported by this driver and pass that enum in
the pci_driver id_table as the driver_data.

Introduce a boardinfo struct to hold the board specific data for the boards
supported by this driver. Use the boardinfo when attaching to the driver
instead of using the pcidev->device and the switch.

Since the PCI device ids are now only used in the id_table, remove the
defines and open code the device ids.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-03-17 12:38:53 -07:00
H Hartley Sweeten
16a86abea7 staging: comedi: jr3_pci: tidy up jr3_pci_ai_insn_read()
Refactor this function to make it clearer.

The channel does not need to be validated. The comedi core does that for us.

Exit early if the subdevice private data is invalid.

Exit early if the subdevice 'state' is not done or there is an error.

Factor out the code that actually reads the channel data to reduce the
indent level.

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>
2014-03-17 12:38:53 -07:00
H Hartley Sweeten
617cd65312 staging: comedi: jr3_pci: tidy up jr3_pci_open()
For aesthetics, rename the subdevice private data pointer from 'p' to
'spriv' and add a local variable for the comedi_subdevice 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>
2014-03-17 12:38:53 -07:00
H Hartley Sweeten
127301cb5d staging: comedi: jr3_pci: tidy up jr3_download_firmware()
This callback function for comedi_load_firmware() first validates that
the firmware data is the correct format then it writes the data to each
subdevice.

Split the two operations out as separate functions to clarify the code.
Tidy up the new 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>
2014-03-17 12:38:53 -07:00
H Hartley Sweeten
01fca4732b staging: comedi: jr3_pci: tidy up jr3_pci_poll_subdevice()
Refactor the function to reduce the indent level.

For aesthetics, rename the subdevice private data pointer from 'p'
to 'spriv'.

Rename the lacal variable used for the channel->full_scale to 'fs'
to reduce the line lengths.

Remove the setting of range[8]. The min,max values are the same as
the ones used when the subdevice private data was allocated and
initialized.

Remove the poll_delay_min_max() that are the same as the default.

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>
2014-03-17 12:38:53 -07:00
H Hartley Sweeten
a448376e4d staging: comedi: jr3_pci: tidy up jr3_pci_poll_dev()
For aesthetics, rename the subdevice private data pointer from 'subdevpriv'
to 'spriv' and add a local variable for the comedi_subdevice 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>
2014-03-17 12:38:53 -07:00
H Hartley Sweeten
3c77274cbd staging: comedi: jr3_pci: rename some local vars in the (*attach)
For aesthetics, rename the subdevice private data pointer from 'p'
to 'spriv' and the variable used to check the errno from 'result'
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>
2014-03-17 12:38:52 -07:00
H Hartley Sweeten
9e4d67423d staging: comedi: jr3_pci: factor subdevice private data init out of (*attach)
Factor the code that allocates and initializes the subdevice private data
out of the (*attach) to reduce the indent level and make the code easier
to follow.

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>
2014-03-17 12:38:52 -07:00