H Hartley Sweeten [Wed, 12 Aug 2015 20:25:46 +0000 (13:25 -0700)]
staging: comedi: addi_apci_3501: use addi_tcw.h for the timer registers
The APCI3501_TIMER_* register defines in this driver are that same as
the ADDI_TCW_* defines with an additional offset.
Add a 'tcw' (timer/counter/watchdog) member to the private data to
hold the address for the iobase of the registers. Use that and the
defines from addi_tcw.h to address the registers.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
H Hartley Sweeten [Wed, 12 Aug 2015 20:25:45 +0000 (13:25 -0700)]
staging: comedi: addi_apci_3501: rename CamelCase vars in apci3501_interrupt()
Rename the CamelCase local variables.
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>
H Hartley Sweeten [Wed, 12 Aug 2015 20:25:44 +0000 (13:25 -0700)]
staging: comedi: addi_apci_3501: prefer using the BIT macro
Change the register bit defines to use the BIT macro.
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>
H Hartley Sweeten [Wed, 12 Aug 2015 20:25:43 +0000 (13:25 -0700)]
staging: comedi: addi_apci_3501: rename private data 'i_IobaseAmcc'
Rename this CamelCase member of the private data.
Also, fix the type of the member, it holds a pci_resource_start()
address and should be an unsigned long.
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>
H Hartley Sweeten [Wed, 12 Aug 2015 20:25:42 +0000 (13:25 -0700)]
staging: comedi: hwdrv_apci3501: refactor apci3501_config_insn_timer()
The handling for the watchdog and timer modes is very similar. Refactor
this function to use a common code path for both modes.
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>
H Hartley Sweeten [Wed, 12 Aug 2015 20:25:41 +0000 (13:25 -0700)]
staging: comedi: hwdrv_apci3501: rename 'ul_Command1' in apci3501_config_insn_timer()
Rename this CamelCase local variable.
For aesthetics, split the mask/set operations.
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>
H Hartley Sweeten [Wed, 12 Aug 2015 20:25:40 +0000 (13:25 -0700)]
staging: comedi: hwdrv_apci3501: refactor apci3501_read_insn_timer()
The handling of the ADDIDATA_WATCHDOG and ADDIDATA_TIMER is identical.
Refactor this function to use a common code path for both timer modes.
Remove the incorrect dev_err() noise. The subdevice is valid but the
timer_mode is not supported.
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>
H Hartley Sweeten [Wed, 12 Aug 2015 20:25:39 +0000 (13:25 -0700)]
staging: comedi: hwdrv_apci3501: refactor apci3501_write_insn_timer()
The handling of the ADDIDATA_WATCHDOG and ADDIDATA_TIMER is identical
except for the "stop" operation. Refactor this function to use a common
code path for both timer modes.
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>
H Hartley Sweeten [Wed, 12 Aug 2015 20:25:38 +0000 (13:25 -0700)]
staging: comedi: hwdrv_apci3501: rename 'ul_Command1' in apci3501_write_insn_timer()
Rename this CamelCase local variable.
For aesthetics, split the mask/set operations.
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>
H Hartley Sweeten [Wed, 12 Aug 2015 20:25:37 +0000 (13:25 -0700)]
staging: comedi: addi_apci_3501: rename private data 'b_TimerSelectMode'
Rename this CamelCase member of the private data.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
H Hartley Sweeten [Wed, 12 Aug 2015 20:25:36 +0000 (13:25 -0700)]
staging: comedi: hwdrv_apci3501: remove useless read/mask to stop watchdog
The watchdog is stopped in apci3501_write_insn_timer() by writing a 0 to
the timer control register. There is no need to read the register first
and mask it (as done when the timer is used as a timer).
Reported-by: coverity (CID 1227052)
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>
H Hartley Sweeten [Mon, 10 Aug 2015 20:13:59 +0000 (13:13 -0700)]
staging: comedi: comedi_fops: absorb comedi_free_board_minor()
This function is only called by comedi_cleanup_board_minors() and the
'minor' parameter will always be < COMEDI_NUM_BOARD_MINORS.
For aesthetics, absorb the function and remove the unnecessary BUG_ON().
Split the comedi_clear_board_minor() out to clarify that the return value
is a comedi_device pointer.
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>
H Hartley Sweeten [Mon, 10 Aug 2015 20:14:00 +0000 (13:14 -0700)]
staging: comedi: comedi_fops: remove BUG_ON() in comedi_dev_get_from_board_minor()
This function is only called by comedi_dev_get_from_minor() and the 'minor'
value will always be < COMEDI_NUM_BOARD_MINORS. Remove the unnecessary
BUG_ON().
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>
H Hartley Sweeten [Mon, 10 Aug 2015 20:14:01 +0000 (13:14 -0700)]
staging: comedi: comedi_fops: remove BUG_ON() in comedi_free_subdevice_minor()
Drivers should not crash the kernel.
This function is only called by comedi_device_detach_cleanup() and the
s->minor will always be valid or the device wouldn't have attached in
the first place.
Leave the checks for safety in accessing the comedi_subdevice_minor_table
array but remove the BUG_ON() calls.
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>
H Hartley Sweeten [Mon, 10 Aug 2015 20:14:02 +0000 (13:14 -0700)]
staging: comedi: comedi_fops: remove BUG_ON() in comedi_cleanup()
The BUG_ON() checks in this function are not necessary.
comedi_cleanup_board_minors() clears all the entries in the
comedi_board_minor_table array and will call comedi_device_cleanup()
for all attached devices. comedi_device_cleanup() will then
clear the entries in the comedi_subdevice_minor_table array with
comedi_free_subdevice_minor().
Remove the BUG_ON(), drivers should not crash the kernel.
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>
H Hartley Sweeten [Mon, 10 Aug 2015 20:14:03 +0000 (13:14 -0700)]
staging: comedi: comedi_fops: remove remaining BUG_ON() checks
The BUG_ON() checks in comedi_subdevice_from_minor() and
comedi_dev_get_from_subdevice_minor() are not necessary.
The 'minor' numbers for a given comedi driver are setup by
comedi_dev_get_from_subdevice_minor() and will always be in
the correct range.
Drivers should not crash the kernel, remove the BUG_ON() checks.
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>
H Hartley Sweeten [Fri, 7 Aug 2015 18:45:14 +0000 (11:45 -0700)]
staging: comedi: hwdrv_apci1564: remove magic numbers in apci1564_counter_insn_read()
Use the bit defines from addi_tcw.h to remove the magic numbers in this
function.
Add the missing define for ADDI_TCW_STATUS_HARDWARE_TRIG.
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>
H Hartley Sweeten [Fri, 7 Aug 2015 18:45:13 +0000 (11:45 -0700)]
staging: comedi: hwdrv_apci1564: tidy up apci1564_counter_insn_write()
Clear the gate and trig bits in the common code path.
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>
H Hartley Sweeten [Fri, 7 Aug 2015 18:45:12 +0000 (11:45 -0700)]
staging: comedi: hwdrv_apci1564: fix counter "mode" setting
According to the (broken) original driver, data[4] passed to this function
is the "timer mode". It appears the original code used the wrong shift to
set the bits.
Use the ADDI_TCW_CTRL_MODE() macro so that the correct bits get set.
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>
H Hartley Sweeten [Fri, 7 Aug 2015 18:45:11 +0000 (11:45 -0700)]
staging: comedi: hwdrv_apci1564: remove useless code in apci1564_counter_insn_config()
The gate, trig, and ena, bits in the 'ctrl' are cleared at the start of
the function. There is no reason clear these bits for each step.
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>
H Hartley Sweeten [Fri, 7 Aug 2015 18:45:10 +0000 (11:45 -0700)]
staging: comedi: hwdrv_apci1564: remove magic number in apci1564_timer_insn_read()
Use the bit define from addi_tcw.h to remove the magic number.
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>
H Hartley Sweeten [Fri, 7 Aug 2015 18:45:09 +0000 (11:45 -0700)]
staging: comedi: hwdrv_apci1564: tidy up apci1564_timer_insn_write()
Clear the gate and trig bits in the common code path.
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>
H Hartley Sweeten [Fri, 7 Aug 2015 18:45:08 +0000 (11:45 -0700)]
staging: comedi: hwdrv_apci1564: use addi_tcw.h defines
Use the ADDI_TCW_CTRL_REG bit defines in addi_tcw.h to remove the "magic"
numbers.
Add some missing bit defines and mask defines to addi_tcw.h to help
cleanup 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>
H Hartley Sweeten [Fri, 7 Aug 2015 18:45:07 +0000 (11:45 -0700)]
staging: comedi: addi_apci_1564: tidy up APCI1564_EEPROM_REG bit defines
Use the BIT() macro to define the bits.
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>
H Hartley Sweeten [Fri, 7 Aug 2015 18:45:06 +0000 (11:45 -0700)]
staging: comedi: addi_apci_1564: define the APCI1564_DI_IRQ_REG bits
Define the bits in this register. Remove the old defines in hwdrv_apci1564.c.
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>
H Hartley Sweeten [Fri, 7 Aug 2015 18:45:05 +0000 (11:45 -0700)]
staging: comedi: addi_apci_1564: define the APCI1564_DO_IRQ_REG bits
Define the bits in this register.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
H Hartley Sweeten [Fri, 7 Aug 2015 18:45:04 +0000 (11:45 -0700)]
staging: comedi: addi_apci_1564: define the APCI1564_DO_INT_STATUS_REG bits
Define the bits in this register.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
H Hartley Sweeten [Fri, 7 Aug 2015 18:45:03 +0000 (11:45 -0700)]
staging: comedi: addi_apci_1564: define the APCI1564_DO_INT_CTRL_REG bits
Define the bits in this register. Remove the old defines in hwdrv_apci1564.c.
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>
H Hartley Sweeten [Fri, 7 Aug 2015 18:45:02 +0000 (11:45 -0700)]
staging: comedi: hwdrv_apci1564: remove unused defines
These defines are not used. Remove them.
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>
H Hartley Sweeten [Fri, 7 Aug 2015 18:45:01 +0000 (11:45 -0700)]
staging: comedi: addi_tcw.h: prefer using the BIT macro
Use the BIT macro to define the register bits.
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>
Aleksei Fedotov [Fri, 14 Aug 2015 19:34:37 +0000 (22:34 +0300)]
staging: speakup: Fix warning reported by checkpatch
This patch fixes the checkpatch.pl warnings:
WARNING: Block comments use a trailing */ on a separate line
WARNING: Block comments use * on subsequent lines
Signed-off-by: Aleksey Fedotov <lexa@cfotr.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Joe Perches [Mon, 10 Aug 2015 21:51:32 +0000 (14:51 -0700)]
staging: speakup: Remove unnecessary externs
Using 'extern' is not necessary for function prototypes.
Miscellanea:
o Reflow alignments
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Joe Perches [Mon, 10 Aug 2015 21:51:27 +0000 (14:51 -0700)]
staging: olpc_dcon: Remove unnecessary externs
Using 'extern' is not necessary for function prototypes.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Joe Perches [Mon, 10 Aug 2015 21:51:24 +0000 (14:51 -0700)]
staging: netlogic: Remove unnecessary externs
Using 'extern' is not necessary for function prototypes.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Mike Rapoport [Wed, 12 Aug 2015 18:08:50 +0000 (21:08 +0300)]
staging: android: update TODO
- remove "make sure things build as modules properly"
- remove kuid_t related remarks, they were relevant for logger, but it
is gone half year ago
- remove dead e-mail address of Brian Swetland
- add e-mail addresses of Arve Hjønnevåg and Riley Andrews
Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Joe Perches [Mon, 10 Aug 2015 21:51:16 +0000 (14:51 -0700)]
staging: android: Remove unnecessary externs
Using 'extern' is not necessary for function prototypes.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cristina Opriceana [Tue, 11 Aug 2015 10:20:53 +0000 (13:20 +0300)]
Staging: iio: trigger: Use braces on both branches of if statement
Fix style issue related to missing braces, detected by checkpatch.pl.
Signed-off-by: Cristina Opriceana <cristina.opriceana@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cristina Opriceana [Tue, 11 Aug 2015 10:18:18 +0000 (13:18 +0300)]
Staging: iio: trigger: Alignment should match open parenthesis
Fix alignment for function parameters as suggested by checkpatch.pl.
Signed-off-by: Cristina Opriceana <cristina.opriceana@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Joe Perches [Mon, 10 Aug 2015 21:51:20 +0000 (14:51 -0700)]
staging: iio: Remove unnecessary externs
Using 'extern' is not necessary for function prototypes.
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Adrian Remonda [Fri, 14 Aug 2015 10:18:04 +0000 (12:18 +0200)]
Staging: most: aim-cdev/cdev.c. Fix "missing static keyword" warnings
This is a patch to the most/aim_cdev.c file. It makes several
local functions and structures static to prevent global visibility.
Signed-off-by: Adrian Remonda <adrianremonda@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Adrian Remonda [Fri, 14 Aug 2015 10:18:02 +0000 (12:18 +0200)]
Staging: most: hdm-usb/hdm_usb.c. Fix "missing static keyword" warnings
This is a patch to the most/hdm-usb/hdm_usb.c file. It
makes several local functions and structures static to prevent global
visibility.
Signed-off-by: Adrian Remonda <adrianremonda@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Adrian Remonda [Fri, 14 Aug 2015 10:18:01 +0000 (12:18 +0200)]
Staging: most: mostcore/core.c. Fix "Using plain integer as NULL pointer" warnings
This patch fixes the warning generated by sparse: "Using plain integer
as NULL pointer" by replacing the pointer test against 0 with a logical test.
Signed-off-by: Adrian Remonda <adrianremonda@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Adrian Remonda [Fri, 14 Aug 2015 10:18:00 +0000 (12:18 +0200)]
Staging: most: mostcore/core.c. Fix "missing static keyword" warnings
This is a patch to the mostcore/core.c file. It makes
several local functions and structures static to prevent global
visibility.
Signed-off-by: Adrian Remonda <adrianremonda@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Joe Perches [Mon, 10 Aug 2015 21:51:22 +0000 (14:51 -0700)]
staging: most: Remove unnecessary externs
Using 'extern' is not necessary for function prototypes.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Tomas Melin [Sun, 9 Aug 2015 14:08:41 +0000 (17:08 +0300)]
staging/most: fix return value for DIM_GetChannelState
Return NULL instead of 0 for invalid input.
Signed-off-by: Tomas Melin <tomas.melin@iki.fi>
Acked-by: Christian Gromm <christian.gromm@microchip.com>
Signed-off-by: Andrey Shvetsov <andrey.shvetsov@k2l.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Oleg Drokin [Sun, 9 Aug 2015 00:09:06 +0000 (20:09 -0400)]
staging/lustre/llite: get rid of unused ll_super_blocks list
ll_super_blocks became unused quite a while ago with switch
to the new CLIO code.
So this patch removes the list, ll_sb_lock spinlock that guards it
and superblock info ll_list linkage.
Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Abhilash Jindal [Tue, 11 Aug 2015 14:31:53 +0000 (10:31 -0400)]
staging: comedi: serial2002: Use monotonic clock
Wall time obtained from do_gettimeofday is susceptible to sudden jumps due to
user setting the time or due to NTP.
Monotonic time is constantly increasing time better suited for comparing two
timestamps.
Signed-off-by: Abhilash Jindal <klock.android@gmail.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
H Hartley Sweeten [Mon, 10 Aug 2015 17:28:08 +0000 (10:28 -0700)]
staging: comedi: ni_usb6501: fix possible out-of-bounds access
Coverity reports a possible Out-of-bounds access (ARRAY_VS_SINGLETON)
with the 'const u8 *port' parameter passed to ni6501_port_command().
This param is an actual array for the SET_PORT_DIR operation, called
by ni6501_dio_insn_config(). But for the WRITE_PORT and READ_PORT
operations, called by ni6501_dio_insn_bits(), it is just the address
of an u8 local variable.
Fix the coverity issue by changing the parameter to an unsigned int
and pass the raw values from ni6501_dio_insn_config() and
ni6501_dio_insn_bits(). ni6501_port_command() then handles the masking
and shifting needed to load the value into the u8 transmit buffer.
For consistency, change the access of the 'bitmap' parameter from an
array access to a pointer operation.
Reported-by: coverity (CID 1248624)
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>
Greg Kroah-Hartman [Wed, 12 Aug 2015 19:43:41 +0000 (12:43 -0700)]
Merge tag 'iio-for-4.3b-2' of git://git./linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
Second set of new device support, features and cleanup for the 4.3 cycle.
Take 2 also includes a fix set that was too late for the 4.2 cycle.
As we had a lot of tools and docs work in this set, I have broken those
out into their own categories in this description.
Fixes from the pull request '4th set of IIO fixes for the 4.2 cycle'.
* Poll functions for both event chardev and the buffer one were returning
negative error codes (via a positive value).
* A recent change to lsiio adding some error handling that was wrong and
stopped the tool working.
* bmg160 was missing some dependencies in Kconfig
* berlin2-adc had a misshandled register (wrote a value rather than a bitmap)
New device support
* TI opt3001 light sensor
* TXC PA12 ALS and proximity sensor.
* mcp3301 ADC support (in mcp320x driver)
* ST lsm303agr accelerometer and magnetometer drivers (plus some st-sensors
common support to allow different WHOAMI register addresses, devices with
fixed scale and allow interrupt equiped magnetometers).
* ADIS16305, ADIS16367, ADIS16445IMUs (in the adis16400 driver)
* ADIS16266 gyro (in the adis16260 driver)
* ADIS16137 gyro (in the adis16136 driver)
New functionality
* mmc35240 DT bindings.
* Inverse unit conversion macros to aid handing of values written to sysfs
attributes.
Core cleanup
* Forward declaration of struct iio_trigger to avoid a compile warning.
Driver cleanup / fixes
* mxs-lradc
- Clarify which parts are supported.
- Fix spelling erorrs.
- Missing/extra includes
- reorder includes
- add datasheet name listings for all usable channels (to allow them
to be bound by name from consumer drivers)
* acpi-als - add some function prefixes as per general iio style.
* bmc150_magn - replace a magic value with the existing define.
* vf610 - determine possible sample frequencies taking into account the
electrical characteristics (defining a minimum sample time)
* dht11
- whitespace
- additional docs
- avoid mulitple assignments in one line
- Use the new funciton ktime_get_resolution_ns to cleanup a nasty trick
previously used for timing.
* Fix all drivers that consider 0 a valid IRQ for historical reasons.
* Export I2C module alias info where previously missing (to allow autoprobing)
* Export OF module alias info where previously missing.
* mmc35240 - switch some variables into arrays to improve readability.
* mlx90614 - define some magic numbers for readability.
* bmc150_magn
- expand area locked by a mutex to cover all the use of the
data->buffer.
- use descriptive naming for a mask instead of a magic value.
* berin2-adc
- pass up an error code rather that a generic error
- constify the iio_chan_spec
- some other little tidy ups.
* stk8312
- fix a dependency on triggered buffers in kconfig
- add a check for invalid attribute values
- improve error handling by returning error codes where possible and
return immediately where relevant
- rework macro defs to use GENMASK etc
- change some variable types to reduce unnecessary casting
- clean up code style
- drop a local buffer copy for bulk reads and use the one in data->buffer
instead.
* adis16400 - the adis16448 gyroscope scale was wrong.
* adis16480 - some more wrong scales for various parts.
* adis16300 - has an undocumented product id and serial number registers so
use them.
* iio_simple_dummy - fix some wrong code indentation.
* bmc150-accel - use the chip ID to detect the chip present rather than
verifying the expected part was there. This was in response to a wrong
ACPI entry on the WinBook TW100.
* mma8452
- fix _get_hp_filter_index
- drop a double include
- pass up an error code rather than rewriting it
- range check input values to attribute writes
- register defs tidy up using GENMASK and reordering them to be easier to
follow.
- various coding style cleanups
- put the Kconfig entry in the write place (alphabetically).
Tools related
* Tools cleanup - drop an explicity NULL comparison, some unnecessary braces,
use the ARRAY_SIZE macro, send error messages to stderr instead of dropping
them in the middle of normal output.
* Fix tools to allow that scale and offset attributes are optional.
* More tools fixes including allowing true 32bit data (previously an overflow
prevented more than 31bits)
* Drop a stray header guard that ended up in a c file.
* Make calc_digits static as it isn't exported or in the header.
* Set ci_array pointer to NULL after free as a protection against non safe
usage of the tools core code. Also convert a double pointer to a single
one as the extra level of indirection was unnecessary.
Docs
* DocBook introduction by Daniel Baluta. Glad we are beginning to
draw together some more introductory docs to suplement the various
tools / examples.
* Drop bytes_per_datum sysfs attribute docs as it no longer exists.
* A whole load of missing / fixing of kernel-doc for the core of IIO.
* Document the trigger name sysfs attribute in the ABI docs.
* Minor typos in the ABI docs related to power down modes.
Cristina Opriceana [Mon, 3 Aug 2015 10:00:47 +0000 (13:00 +0300)]
iio: event: Remove negative error code from iio_event_poll
Negative return values are not supported by iio_event_poll since
its return type is unsigned int.
Fixes:
f18e7a068a0a3 ("iio: Return -ENODEV for file operations if the device has been unregistered")
Signed-off-by: Cristina Opriceana <cristina.opriceana@gmail.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Cristina Opriceana [Mon, 3 Aug 2015 10:37:40 +0000 (13:37 +0300)]
iio: industrialio-buffer: Fix iio_buffer_poll return value
Change return value to 0 if no device is bound since
unsigned int cannot support negative error codes.
Fixes:
f18e7a068 ("iio: Return -ENODEV for file operations if the
device has been unregistered")
Signed-off-by: Cristina Opriceana <cristina.opriceana@gmail.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Linus Walleij [Tue, 4 Aug 2015 14:21:49 +0000 (16:21 +0200)]
iio: lsiio: fix error code handling error
commit
acf50b3586f8d8a7530b905e111dda41876d38f4
"tools:iio:lsiio: add error handling"
introduced error handling of errors returned from
read_sysfs_string(), but with a simple if (retval),
missing the fact that these functions return a positive
value if the read was successful.
As a result lsiio regresses and does not show any
devices on my filesystem. Fix this by checking for
only negative error codes.
Cc: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Markus Pargmann [Wed, 29 Jul 2015 13:46:03 +0000 (15:46 +0200)]
iio: bmg160: IIO_BUFFER and IIO_TRIGGERED_BUFFER are required
This patch adds selects for IIO_BUFFER and IIO_TRIGGERED_BUFFER. Without
IIO_BUFFER, the driver does not compile.
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Hartmut Knaack [Mon, 27 Jul 2015 22:38:57 +0000 (00:38 +0200)]
iio:adc:berlin2-adc: Fix register definition
Active channel number is stored in BERLIN2_SM_CTRL as value, instead of a
bit map.
The masks for channel interrupts and data ready are a 16 bits wide bit
map each, instead of just 4 bits.
Also correct the data mask for the temperature sensor, which was
Reported-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Acked-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Jason A. Donenfeld [Mon, 10 Aug 2015 15:49:51 +0000 (17:49 +0200)]
staging: ozwpan: Remove from tree
Ozwpan is completely unmaintained and potentially a security problem. As
this is a staging driver, it should be removed, since it has been
abandoned.
Cc: Shigekatsu Tateno <shigekatsu.tateno@atmel.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Greg Kroah-Hartman [Mon, 10 Aug 2015 16:07:25 +0000 (09:07 -0700)]
Merge 4.2-rc6 into staging-next
We want the IIO and staging fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linus Torvalds [Sun, 9 Aug 2015 19:54:30 +0000 (15:54 -0400)]
Linux 4.2-rc6
Linus Torvalds [Sun, 9 Aug 2015 07:38:42 +0000 (09:38 +0200)]
Merge branch 'for-linus' of git://git./linux/kernel/git/dtor/input
Pull input subsystem fixes from Dmitry Torokhov:
"Just small ALPS and Elan touchpads, and other driver fixups"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: elantech - add special check for fw_version 0x470f01 touchpad
Input: twl4030-vibra - fix ERROR: Bad of_node_put() warning
Input: alps - only Dell laptops have separate button bits for v2 dualpoint sticks
Input: axp20x-pek - add module alias
Input: turbografx - fix potential out of bound access
Linus Torvalds [Sun, 9 Aug 2015 02:59:21 +0000 (05:59 +0300)]
Merge branch 'upstream' of git://git.linux-mips.org/ralf/upstream-linus
Pull MIPS fixes from Ralf Baechle:
"Another round of MIPS fixes for 4.2. No area does particularly stand
out but we have a two unpleasant ones:
- Kernel ptes are marked with a global bit which allows the kernel to
share kernel TLB entries between all processes. For this to work
both entries of an adjacent even/odd pte pair need to have the
global bit set. There has been a subtle race in setting the other
entry's global bit since ~ 2000 but it take particularly
pathological workloads that essentially do mostly vmalloc/vfree to
trigger this.
This pull request fixes the 64-bit case but leaves the case of 32
bit CPUs with 64 bit ptes unsolved for now. The unfixed cases
affect hardware that is not available in the field yet.
- Instruction emulation requires loading instructions from user space
but the current fast but simplistic approach will fail on pages
that are PROT_EXEC but !PROT_READ. For this reason we temporarily
do not permit this permission and will map pages with PROT_EXEC |
PROT_READ.
The remainder of this pull request is more or less across the field
and the short log explains them well"
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
MIPS: Make set_pte() SMP safe.
MIPS: Replace add and sub instructions in relocate_kernel.S with addiu
MIPS: Flush RPS on kernel entry with EVA
Revert "MIPS: BCM63xx: Provide a plat_post_dma_flush hook"
MIPS: BMIPS: Delete unused Kconfig symbol
MIPS: Export get_c0_perfcount_int()
MIPS: show_stack: Fix stack trace with EVA
MIPS: do_mcheck: Fix kernel code dump with EVA
MIPS: SMP: Don't increment irq_count multiple times for call function IPIs
MIPS: Partially disable RIXI support.
MIPS: Handle page faults of executable but unreadable pages correctly.
MIPS: Malta: Don't reinitialise RTC
MIPS: unaligned: Fix build error on big endian R6 kernels
MIPS: Fix sched_getaffinity with MT FPAFF enabled
MIPS: Fix build with CONFIG_OF=y for non OF-enabled targets
CPUFREQ: Loongson2: Fix broken build due to incorrect include.
Linus Torvalds [Sun, 9 Aug 2015 02:56:31 +0000 (05:56 +0300)]
Merge branch 'for-linus-4.2' of git://git./linux/kernel/git/mason/linux-btrfs
Pull btrfs fix from Chris Mason:
"We have a btrfs quota regression fix.
I merged this one on Thursday and have run it through tests against
current master.
Normally I wouldn't have sent this while you were finalizing rc6, but
I'm feeding mosquitoes in the adirondacks next week, so I wanted to
get this one out before leaving. I'll leave longer tests running and
check on things during the week, but I don't expect any problems"
* 'for-linus-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
btrfs: qgroup: Fix a regression in qgroup reserved space.
Linus Torvalds [Sun, 9 Aug 2015 02:54:27 +0000 (05:54 +0300)]
Merge branch 'for-rc' of git://git./linux/kernel/git/rzhang/linux
Pull thermal management fixes from Zhang Rui:
"Specifics:
- fix an error that "weight_attr" sysfs attribute is not removed
while unbinding. From: Viresh Kumar.
- fix power allocator governor tracing to return the real request.
From Javi Merino.
- remove redundant owner assignment of hisi platform thermal driver.
From Krzysztof Kozlowski.
- a couple of small fixes of Exynos thermal driver. From Krzysztof
Kozlowski and Chanwoo Choi"
* 'for-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux:
thermal: Drop owner assignment from platform_driver
thermal: exynos: Remove unused code related to platform_data on probe()
thermal: exynos: Add the dependency of CONFIG_THERMAL_OF instead of CONFIG_OF
thermal: exynos: Disable the regulator on probe failure
thermal: power_allocator: trace the real requested power
thermal: remove dangling 'weight_attr' device file
Daniel Machon [Sat, 8 Aug 2015 18:43:25 +0000 (20:43 +0200)]
Staging: lustre/lustre/ptlrpc: service.c: Fixed issue with global integer being initialized to 0
Fixed global integer initialization issue.
Global variables should not be explicitly initialized to 0 or NULL.
Signed-off-by: Daniel Machon <dmachon.dev@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Daniel Machon [Sat, 8 Aug 2015 18:34:59 +0000 (20:34 +0200)]
Staging: lustre/lnet/selftest: framework.c: Fixed coding style issues
Fixed coding style issues where statement should be on the next line
Signed-off-by: Daniel Machon <dmachon.dev@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Daniel Machon [Sat, 8 Aug 2015 18:00:07 +0000 (20:00 +0200)]
Staging: wilc1000: wilc_platform.h: Fixed include guard spelling error
Fixed spelling error
Signed-off-by: Daniel Machon <dmachon.dev@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Chandra S Gorentla [Sat, 8 Aug 2015 12:11:36 +0000 (17:41 +0530)]
staging: wilc1000: Remove braces for single statement 'if' and 'else'
Fixes the checkpatch.pl warning - braces {} are not necessary for any arm
of this statement
Signed-off-by: Chandra S Gorentla <csgorentla@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Chandra S Gorentla [Sat, 8 Aug 2015 12:11:35 +0000 (17:41 +0530)]
staging: wilc1000: Remove ' ' before quoted '\n'
Fixes the checkpatch.pl warning -
'unnecessary whitespace before a quoted newline'.
Signed-off-by: Chandra S Gorentla <csgorentla@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Chandra S Gorentla [Sat, 8 Aug 2015 12:11:34 +0000 (17:41 +0530)]
staging: wilc1000: Remove unused extern declarations
'extern' declarations which are not referenced within the file are
removed.
Signed-off-by: Chandra S Gorentla <csgorentla@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Chandra S Gorentla [Sat, 8 Aug 2015 12:11:33 +0000 (17:41 +0530)]
staging: wilc1000: Add space between the braces
Inserted space between nested braces. This fixes the checkpatch.pl
error - space required after that close brace '}'.
Signed-off-by: Chandra S Gorentla <csgorentla@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Joo Aun Saw [Fri, 24 Jul 2015 15:23:29 +0000 (01:23 +1000)]
tools: iio: remove unnecessary double pointer
Remove unnecessary double pointer from channel sorting function.
Signed-off-by: Joo Aun Saw <jasaw@dius.com.au>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Joo Aun Saw [Fri, 24 Jul 2015 15:23:28 +0000 (01:23 +1000)]
tools: iio: Set caller's ci_array pointer to NULL after free
On error, caller's ci_array is freed and set to NULL to avoid
potential double free if some other user of this code is not
sufficiently careful. Counter is reset to zero for consistency.
Signed-off-by: Joo Aun Saw <jasaw@dius.com.au>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Vladimir Barinov [Wed, 29 Jul 2015 12:57:41 +0000 (15:57 +0300)]
iio: Fix typos in ABI documentation
Fix typos in ABI documentation
Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Hartmut Knaack [Sun, 2 Aug 2015 20:43:52 +0000 (22:43 +0200)]
iio:accel:mma8452: reorder Kconfig entry
Move the entry in Kconfig to its alphabetically correct position.
Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Hartmut Knaack [Sun, 2 Aug 2015 20:43:51 +0000 (22:43 +0200)]
iio:accel:mma8452: coding style cleanup
Some coding style cleanups, mainly indicated by checkpatch.pl, which
includes indentation changes, drop spaces after casts and befor tabs.
Also insert empty lines after logical blocks and before unconditional
returns.
Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Hartmut Knaack [Sun, 2 Aug 2015 20:43:50 +0000 (22:43 +0200)]
iio:accel:mma8452: rework register definitions
Rework register definitions to be sorted by register and bit number, with
bit definitions cascaded under the appropriate register, use GENMASK for
consecutive bitmasks and realign properly.
Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Hartmut Knaack [Sun, 2 Aug 2015 20:43:49 +0000 (22:43 +0200)]
iio:accel:mma8452: check values to be written
Check values to be written to the device for valid lower and upper bounds.
Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Hartmut Knaack [Sun, 2 Aug 2015 20:43:48 +0000 (22:43 +0200)]
iio:accel:mma8452: pass up real error code
Pass up the error code provided by functions.
Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Hartmut Knaack [Sun, 2 Aug 2015 20:43:47 +0000 (22:43 +0200)]
iio:accel:mma8452: drop double include
One inclusion of linux/iio/trigger_consumer.h is sufficient.
Fixes:
ae6d9ce05691b ("iio: mma8452: Add support for interrupt driven triggers.")
Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Hartmut Knaack [Sun, 2 Aug 2015 20:43:46 +0000 (22:43 +0200)]
iio:accel:mma8452: fix _get_hp_filter_index
To iterate through the available frequencies of mma8452_hp_filter_cutoff[],
the array size of a row of that table needs to be provided to
_get_int_plus_micros_index().
Fixes:
1e79841a00e46 ("iio: mma8452: Add highpass filter configuration.")
Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Bastien Nocera [Thu, 23 Jul 2015 15:21:07 +0000 (17:21 +0200)]
iio:accel:bmc150-accel: Use the chip ID to detect sensor variant
Instead of using the I2C or ACPI ID to determine which variant of
the chipset to use, determine that from the chip ID.
Under Windows, the same driver is used for those variants and, despite
incorrect ACPI data, it is able to load and operate the accelerometer.
Fixes the accelerometer failing with:
bmc150_accel i2c-BMA250E:00: Invalid chip f8
on the WinBook TW100
Signed-off-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Bastien Nocera [Thu, 23 Jul 2015 15:20:59 +0000 (17:20 +0200)]
iio:accel:bmc150-accel: Move bmc150_accel_chip_init()
Move bmc150_accel_chip_init() so that we can use
bmc150_accel_chip_info_tbl[] in it.
Signed-off-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Lars Svensson [Wed, 5 Aug 2015 12:15:12 +0000 (14:15 +0200)]
staging: iio_simple_dummy: Fix indentation errors
Fixing indentation errors in
drivers/staging/iio/iio_simple_dummy_events.c.
Signed-off-by: Lars Svensson <lars1.svensson@sonymobile.com>
Acked-by: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Lars-Peter Clausen [Wed, 5 Aug 2015 13:38:21 +0000 (15:38 +0200)]
iio: adis16136: Add ADIS16137 support
The ADIS16137 is register map compatible to the ADIS16136, but has a
different scale factor for the gyroscope output.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Lars-Peter Clausen [Wed, 5 Aug 2015 13:38:20 +0000 (15:38 +0200)]
iio: adis16400: Add ADIS16445 support
The ADIS16445 is similar to the ADIS16448, but without the magnetometer and
pressure channels as well as different scale factors for the gyroscope and
accelerometer outputs.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Lars-Peter Clausen [Wed, 5 Aug 2015 13:38:19 +0000 (15:38 +0200)]
iio: adis16400: Add ADIS16367 support
The ADIS16367 is mostly register compatible to the ADIS16360. The only
difference is the scale factor for the gyroscope output.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Lars-Peter Clausen [Wed, 5 Aug 2015 13:38:18 +0000 (15:38 +0200)]
iio: adis16260: Add ADIS16266 support
The ADIS16266 is mostly register compatible to the ADIS16260. The
difference is a different gyroscope scale factor as well not having the
relative angular displacement channel.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Lars-Peter Clausen [Wed, 5 Aug 2015 13:38:17 +0000 (15:38 +0200)]
iio: adis16400: Add ADIS16305 support
The ADIS16305 is fully register map compatible to the ADIS16300.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Lars-Peter Clausen [Wed, 5 Aug 2015 13:38:16 +0000 (15:38 +0200)]
iio: adis16400: adis16300 has product ID and serial number
The ADIS16300 has the product ID and serial number registers, they are just
not documented. Set the appropriate flags so the driver makes use of them.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Lars-Peter Clausen [Wed, 5 Aug 2015 13:38:15 +0000 (15:38 +0200)]
iio: adis16480: Fix scale factors
The different devices support by the adis16480 driver have slightly
different scales for the gyroscope and accelerometer channels.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Lars-Peter Clausen [Wed, 5 Aug 2015 13:38:14 +0000 (15:38 +0200)]
iio: Add inverse unit conversion macros
Add inverse unit conversion macro to convert from standard IIO units to
units that might be used by some devices.
Those are useful in combination with scale factors that are specified as
IIO_VAL_FRACTIONAL. Typically the denominator for those specifications will
contain the maximum raw value the sensor will generate and the numerator
the value it maps to in a specific unit. Sometimes datasheets specify those
in different units than the standard IIO units (e.g. degree/s instead of
rad/s) and so we need to do a unit conversion.
From a mathematical point of view it does not make a difference whether we
apply the unit conversion to the numerator or the inverse unit conversion
to the denominator since (x / y) / z = x / (y * z). But as the denominator
is typically a larger value and we are rounding both the numerator and
denominator to integer values using the later method gives us a better
precision (E.g. the relative error is smaller if we round 8000.3 to 8000
rather than rounding 8.3 to 8).
This is where in inverse unit conversion macros will be used.
Marked for stable as used by some upcoming fixes.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Lars-Peter Clausen [Wed, 5 Aug 2015 13:38:13 +0000 (15:38 +0200)]
iio: adis16400: Fix adis16448 gyroscope scale
Use the correct scale for the adis16448 gyroscope output.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Cristina Opriceana [Thu, 6 Aug 2015 11:56:02 +0000 (14:56 +0300)]
iio: trigger: Add missing fields in kernel docs
Fix kernel docs warnings by adding the missing description
for each of the existing function parameters.
Signed-off-by: Cristina Opriceana <cristina.opriceana@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Cristina Opriceana [Thu, 6 Aug 2015 11:17:53 +0000 (14:17 +0300)]
iio: Documentation: Add trigger name attribute ABI documentation
This patch adds an entry in ABI Documentation for the name attribute
issued when a trigger is created.
Signed-off-by: Cristina Opriceana <cristina.opriceana@gmail.com>
Acked-by: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Daniel Baluta [Tue, 4 Aug 2015 14:20:08 +0000 (17:20 +0300)]
DocBook: Add initial documentation for IIO
This is intended to help developers faster find their way
inside the Industrial I/O core and reduce time spent on IIO
drivers development.
Signed-off-by: Daniel Baluta <daniel.baluta@intel.com>
Acked-by: Crt Mori <cmo@melexis.com>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Pengyu Ma [Tue, 4 Aug 2015 08:32:18 +0000 (16:32 +0800)]
iio: declare struct to fix warning
When compile iio related driver the following warning shown:
include/linux/iio/trigger.h:35:34: warning: 'struct iio_trigger'
declared inside parameter list
int (*set_trigger_state)(struct iio_trigger *trig, bool state);
include/linux/iio/trigger.h:38:18: warning: 'struct iio_dev'
declared inside parameter list
struct iio_dev *indio_dev);
'struct iio_dev' and 'struct iio_trigger' was used before declaration,
forward declaration for these structs to fix warning.
Signed-off-by: Pengyu Ma <pengyu.ma@windriver.com>
Acked-by: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Hartmut Knaack [Wed, 29 Jul 2015 21:39:40 +0000 (23:39 +0200)]
iio:accel:stk8312: drop local buffer
Drop the local buffer in stk8312_trigger_handler() and use data->buffer
instead for bulk reads.
Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Reviewed-by: Tiberiu Breana <tiberiu.a.breana@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Hartmut Knaack [Wed, 29 Jul 2015 21:39:39 +0000 (23:39 +0200)]
iio:accel:stk8312: code style cleanup
Adjust some indentation issues to make checkpatch.pl happy in strict mode.
Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Hartmut Knaack [Wed, 29 Jul 2015 21:39:38 +0000 (23:39 +0200)]
iio:accel:stk8312: use appropriate variable types
Adapt some variable types to reduce unnecessary casting.
Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Reviewed-by: Tiberiu Breana <tiberiu.a.breana@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Hartmut Knaack [Wed, 29 Jul 2015 21:39:37 +0000 (23:39 +0200)]
iio:accel:stk8312: rework macro definitions
Make use of BIT to describe register bits, GENMASK for consecutive
bitmasks, rename and sort existing definitions, replace magic value with
an expressive definition, drop an unused definition.
Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Reviewed-by: Tiberiu Breana <tiberiu.a.breana@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Hartmut Knaack [Wed, 29 Jul 2015 21:39:36 +0000 (23:39 +0200)]
iio:accel:stk8312: improve error handling
Improve error handling in the following ways:
- set return value on error condition to an appropriate error code
- return error code immediately in case of an error (slightly changes
code structure)
- pass up real error code
- add missing error handling
- return 0 when error have been caught already
- put device back in active mode after error occurs
Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Linus Torvalds [Sat, 8 Aug 2015 01:38:00 +0000 (04:38 +0300)]
Merge tag 'arc-v4.2-rc6-fixes' of git://git./linux/kernel/git/vgupta/arc
Pull ARC fixes from Vineet Gupta:
"Here's a late pull request for accumulated ARC fixes which came out of
extended testing of the new ARCv2 port with LTP etc. llock/scond
livelock workaround has been reviewed by PeterZ. The changes look a
lot but I've crafted them into finer grained patches for better
tracking later.
I have some more fixes (ARC Futex backend) ready to go but those will
have to wait for tglx to return from vacation.
Summary:
- Enable a reduced config of HS38 (w/o div-rem, ll64...)
- Add software workaround for LLOCK/SCOND livelock
- Fallout of a recent pt_regs update"
* tag 'arc-v4.2-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
ARCv2: spinlock/rwlock/atomics: reduce 1 instruction in exponential backoff
ARC: Make pt_regs regs unsigned
ARCv2: spinlock/rwlock: Reset retry delay when starting a new spin-wait cycle
ARCv2: spinlock/rwlock/atomics: Delayed retry of failed SCOND with exponential backoff
ARC: LLOCK/SCOND based rwlock
ARC: LLOCK/SCOND based spin_lock
ARC: refactor atomic inline asm operands with symbolic names
Revert "ARCv2: STAR
9000837815 workaround hardware exclusive transactions livelock"
ARCv2: [axs103_smp] Reduce clk for Quad FPGA configs
ARCv2: Fix the peripheral address space detection
ARCv2: allow selection of page size for MMUv4
ARCv2: lib: memset: Don't assume 64-bit load/stores
ARCv2: lib: memcpy: Missing PREFETCHW
ARCv2: add knob for DIV_REV in Kconfig
ARC/time: Migrate to new 'set-state' interface