Greg Kroah-Hartman [Tue, 6 May 2014 13:26:31 +0000 (06:26 -0700)]
Merge branch 'imx-drm-fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm into staging-next
imx-drm fixes from Russell
Greg Kroah-Hartman [Mon, 5 May 2014 23:40:54 +0000 (16:40 -0700)]
Merge tag 'iio-for-3.16b' of git://git./linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
Second set of IIO new drivers, cleanups and functionality for the 3.16 cycle.
This set contains a change to the ABI for the hid-sensors drivers to bring them
in line with the long published documentation. Unfortunately, rather than
reporting true scale and offset values via sysfs they were reporting
some magic numbers that could only be converted to anything useful using
the HID sensors specification. I missed this entirely through the introduction
of a number of drivers, only picking up on it recently. Srinivas has had
user feedback about this as well. The patch set is too large to go as a fix
at this stage in the cycle and is not a regression fix as this was never
right and so will have to wait for the next merge window. Srinivas assures
me that there are relatively few pieces of hardware out there and he has
had a number of people contact him to point out that the drivers did not
obey the ABI. Hence hopefully the fallout of this, if any will be minor.
If we don't fix it now, it will only get worse going forward. There is no
sensible way of maintaining the incorrect ABI as it is simply returning
the wrong values through the standard interfaces.
Non IIO elements
* Introduce devm_kmemdup. Does what it says on the tin.
New drivers:
* hid-sensors rotation devices (output as quaternion)
* Freescale MPL115A2 presure and temperature sensor.
* Melexis mlx90614 contactless infrared sensor.
* Freescale MMA8452Q 3-axis accelerometer.
New functionality:
* Addition of multiple element callback to allow for sysfs interfaces to access
elements such as quaternions which have no useful meaning if all 4 elements
are not presented together. Other future usecases for this include
rotation matrices.
* Support for multiple element buffer entries for exactly the same uses as
the sysfs related elements described above.
* Quaternion support via the quaternion IIO modifier.
* TEMP_AMBIENT and TEMP_OBJECT modifiers to distinguish cases with thermopile
devices.
* hid-sensors gain sysfs access to the sensor readings. Previously these
drivers used the buffered interface only. This change involves some
additional hid-sensors core support to read poll values back from the devices
to allow the drivers to know roughly how long to wait for a result when
polling the sensor. There is also an associated hid-sensors abi to allow
the devices to be turned off between reads and powered up on demand.
Cleanups and fixes
* Hid sensors fix as described above. Result is to make the _scale and _offset
attributes applicable in the same way as for all other IIO drivers.
* Some additional documentation - mostly covering stuff that graduated from
staging without managing to take it's ABI docs with it.
* A series of little tidy ups to the exynos_adc driver that make the code
nicer to read and improve handling of some corner cases.
* A tidy up to mag3110 (logical fix rather than a real one ;). Also enable
user offset calibration for this device.
* Drop some left over IS_ERR() checks from ad799x that snuck through during
the cleanup in the last IIO patch set.
* Fix a naming issue from clashing patches in ak8975 - note the clash only
occured in the last IIO patch set, hence the fix needs to go through this
tree.
* A format string missmatch fix in ad7280.c. Unlikely to have ever had an
impact so not worth rushing through.
Srinivas Pandruvada [Fri, 18 Apr 2014 23:22:00 +0000 (00:22 +0100)]
iio: hid-sensors: Pressure: Raw read support
Added support for raw reading of channel. If the sensor is powered
off, it will turn on for reading value.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Srinivas Pandruvada [Fri, 18 Apr 2014 23:22:00 +0000 (00:22 +0100)]
iio: hid-sensors: Inclinometer 3D: Raw read support
Added support for raw reading of channel. If the sensor is powered
off, it will turn on for reading value.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Srinivas Pandruvada [Fri, 18 Apr 2014 23:22:00 +0000 (00:22 +0100)]
iio: hid-sensors: Compass 3D: Raw read support
Added support for raw reading of channel. If the sensor is powered
off, it will turn on for reading value
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Srinivas Pandruvada [Fri, 18 Apr 2014 23:22:00 +0000 (00:22 +0100)]
iio: hid-sensors: Proximity: Raw read support
Added support for raw reading of channel. If the sensor is powered
off, it will turn on for reading value.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Srinivas Pandruvada [Fri, 18 Apr 2014 23:22:00 +0000 (00:22 +0100)]
iio: hid-sensors: ALS: Raw read support
Added support for raw reading of channel. If the sensor is powered
off, it will turn on for reading value.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Srinivas Pandruvada [Fri, 18 Apr 2014 23:22:00 +0000 (00:22 +0100)]
iio: hid-sensors: Gyro 3D: Raw read support
Added support for raw reading of channel. If the sensor is powered
off, it will turn on for reading value.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Srinivas Pandruvada [Fri, 18 Apr 2014 23:22:00 +0000 (00:22 +0100)]
iio: hid-sensors: Accelerometer 3D: Raw read support
Added support for raw reading of channel. If the sensor is powered
off, it will turn on for reading value.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Srinivas Pandruvada [Fri, 18 Apr 2014 23:22:00 +0000 (00:22 +0100)]
iio: hid-sensors: Add API to power on/off
Added an API to allow client drivers to turn ON and OFF sensors for
quick read. Added data_read as counting varaible instead of boolean,
so that sensor is powered off only when last user released it.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Srinivas Pandruvada [Fri, 18 Apr 2014 23:22:00 +0000 (00:22 +0100)]
iio: hid-sensors: Pressure: adjust scale and offset
Using units and unit exponent to calculate scale which is compliant
to IIO ABI.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Srinivas Pandruvada [Fri, 18 Apr 2014 23:22:00 +0000 (00:22 +0100)]
iio: hid-sensors: Inclinometer 3D: adjust scale and offset
Using units and unit exponent to calculate scale which is compliant
to IIO ABI.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Srinivas Pandruvada [Fri, 18 Apr 2014 23:22:00 +0000 (00:22 +0100)]
iio: hid-sensors: Compass 3D: adjust scale and offset
Using units and unit exponent to calculate scale which is compliant
to IIO ABI.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Srinivas Pandruvada [Fri, 18 Apr 2014 23:22:00 +0000 (00:22 +0100)]
iio: hid-sensors: ALS: adjust scale and offset
Using units and unit exponent to calculate scale which is compliant
to IIO ABI.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Srinivas Pandruvada [Fri, 18 Apr 2014 23:22:00 +0000 (00:22 +0100)]
iio: hid-sensors: Gyro 3D : adjust scale and offset
Using units and unit exponent to calculate scale which is compliant
to IIO ABI.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Srinivas Pandruvada [Fri, 18 Apr 2014 23:22:00 +0000 (00:22 +0100)]
iio: hid-sensors: Accelerometer 3D: adjust scale and offset
Using units and unit exponent to calculate scale which is compliant
to IIO ABI.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Srinivas Pandruvada [Fri, 18 Apr 2014 23:22:00 +0000 (00:22 +0100)]
iio: hid-sensors: Add api to get poll value
Added interface to get poll value in milli-seconds. This value is
changed by changing sampling frequency. This API allows clients
to wait for at least some poll milli seconds before reading a new sample.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Srinivas Pandruvada [Fri, 18 Apr 2014 23:22:00 +0000 (00:22 +0100)]
iio: hid-sensors: Convert units and exponent
HID sensor hub specify a default unit and alternative units. This
along with unit exponent can be used adjust scale. This change
change HID sensor data units to IIO defined units for each
sensor type. So in this way user space can use a simply use:
"(data + offset) * scale" to get final result.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
navin patidar [Sat, 3 May 2014 11:45:32 +0000 (17:15 +0530)]
staging: rtl8188eu: Remove 'u8 *pbuf' from struct recv_buf
Instead of using pbuf to pass sbk data pointer to usb_fill_bulk_urb(),
we can use precvbuf->pskb->data to do that.
Signed-off-by: navin patidar <navin.patidar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
navin patidar [Sat, 3 May 2014 11:45:31 +0000 (17:15 +0530)]
staging: rtl8188eu: Remove rtl8188eu_init_recvbuf() function
rtl8188eu_init_recvbuf() function definition is empty now,
so remove it.
Signed-off-by: navin patidar <navin.patidar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
navin patidar [Sat, 3 May 2014 11:45:30 +0000 (17:15 +0530)]
staging: rtl8188eu: Remove 'u32 ref_cnt' from struct recv_buf
Driver isn't making any use of value stored in variable ref_cnt.
Signed-off-by: navin patidar <navin.patidar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
navin patidar [Sat, 3 May 2014 11:45:29 +0000 (17:15 +0530)]
staging: rtl8188eu: Remove 'u32 len' from struct recv_buf
Remove unused variable 'u32 len'.
Signed-off-by: navin patidar <navin.patidar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
navin patidar [Sat, 3 May 2014 11:45:28 +0000 (17:15 +0530)]
staging: rtl8188eu: Remove 'alloc_sz' from struct recv_buf
Driver isn't making any use of value stored in alloc_sz variable.
Signed-off-by: navin patidar <navin.patidar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
navin patidar [Sat, 3 May 2014 11:45:27 +0000 (17:15 +0530)]
staging: rtl8188eu: Remove 'pallocated_buf' from struct recv_buf
pallocated_buf is not being used by driver.
Signed-off-by: navin patidar <navin.patidar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
navin patidar [Sat, 3 May 2014 11:45:26 +0000 (17:15 +0530)]
staging: rtl8188eu: Remove 'irp_pending' from struct recv_buf
irp_pending is initialized to false inside rtw_os_recvbuf_resource_alloc()
and value of irq_pending never changed after that, so 'if (!precvbuf->irp_pending)'
inside rtw_os_read_port() function will be always true.
Signed-off-by: navin patidar <navin.patidar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
navin patidar [Sat, 3 May 2014 11:45:25 +0000 (17:15 +0530)]
staging: rtl8188eu: Remove pdata, phead, ptail and pend from struct recv_buf
Driver is not making use of value stored in removed variables.
Signed-off-by: navin patidar <navin.patidar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
navin patidar [Sat, 3 May 2014 11:45:24 +0000 (17:15 +0530)]
staging: rtl8188eu: Remove 'int transfer_len' from struct recv_buf
Driver is not making any use of value stored in this variable.
Signed-off-by: navin patidar <navin.patidar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
navin patidar [Sat, 3 May 2014 11:45:23 +0000 (17:15 +0530)]
staging: rtl8188eu: Remove 'dma_addr_t dma_transfer_addr' from struct recv_buf
Remove unused variable dma_transfer_addr.
Signed-off-by: navin patidar <navin.patidar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
navin patidar [Sat, 3 May 2014 11:45:22 +0000 (17:15 +0530)]
staging: rtl8188eu: Remove 'spinlock_t recvbuf_lock' from struct recv_buf
recvbuf_lock is initialized inside rtl8188eu_init_recv_priv() but never used.
Signed-off-by: navin patidar <navin.patidar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
navin patidar [Sat, 3 May 2014 11:45:21 +0000 (17:15 +0530)]
staging: rtl8188eu: Remove 'struct list_head list' from struct recv_buf
Users of 'struct list_head list' variable e.g. rtw_enqueue_recvbuf(),
rtw_enqueue_recvbuf_to_head() and rtw_dequeue_recvbuf() are
already removed.
Signed-off-by: navin patidar <navin.patidar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
navin patidar [Sat, 3 May 2014 11:45:20 +0000 (17:15 +0530)]
staging: rtl8188eu: Remove function rtw_enqueue_recvbuf()
rtw_enqueue_recvbuf() is not being used by driver.
Signed-off-by: navin patidar <navin.patidar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
navin patidar [Sat, 3 May 2014 11:45:19 +0000 (17:15 +0530)]
staging: rtl8188eu: Remove function rtw_enqueue_recvbuf_to_head()
rtw_enqueue_recvbuf_to_head() is not being used by driver.
Signed-off-by: navin patidar <navin.patidar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
navin patidar [Sat, 3 May 2014 11:45:18 +0000 (17:15 +0530)]
staging: rtl8188eu: Remove function rtw_dequeue_recvbuf()
rtw_dequeue_recvbuf() is not being used by driver.
Signed-off-by: navin patidar <navin.patidar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Jan Moskyto Matejka [Wed, 30 Apr 2014 13:22:17 +0000 (15:22 +0200)]
rtl8821ae: fixed defined-not-used warning
by cleaning up BT_AUTO_REPORT_ONLY_8192E_2ANT
(always set to 0, never used as constant)
halbtc8192e2ant_iswifi_status_changed was called only from the unused code
Signed-off-by: Jan Moskyto Matejka <mq@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Rui Miguel Silva [Mon, 28 Apr 2014 11:12:54 +0000 (12:12 +0100)]
staging: rtl8192u: fix checkpatch braces warning
fix some code style related to the use of braces in a one statement block
Signed-off-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Dominique van den Broeck [Sun, 27 Apr 2014 17:11:15 +0000 (19:11 +0200)]
staging/rtl8192e: Erroneous return codes (types and values)
This function returns a bool, that is supposed to be false when something
goes wrong. It's assumed this way by its lone calling function (which is
SetRFPowerState8190(), line 1445 of rtl8192e/rtl8192e/r8192E_phy.c)
Despite of this, this procedure returns non-null enumerations values or
negative codes instead. This patch fixes this.
Signed-off-by: Dominique van den Broeck <domdevlin@free.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
navin patidar [Tue, 29 Apr 2014 01:25:13 +0000 (06:55 +0530)]
staging: rtl8188eu: Use USB subsystem functions to check endpoint type
Use inline functions provided by USB subsystem to check endpoint type,
instead of inline functions implemented by driver to do the same.
Signed-off-by: navin patidar <navin.patidar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
navin patidar [Tue, 29 Apr 2014 01:25:12 +0000 (06:55 +0530)]
staging: rtl8188eu: Remove debugging messages from usb_dvobj_init()
Unnecessary debugging messages are removed from usb_dvobj_init().
Signed-off-by: navin patidar <navin.patidar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Thomas Vegas [Tue, 1 Apr 2014 16:29:37 +0000 (18:29 +0200)]
staging: serqt_usb2: Clean up initializations of variables
Use a more common kernel coding style.
Signed-off-by: Thomas Vegas <thomas_75@safe-mail.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Thomas Vegas [Tue, 1 Apr 2014 16:28:33 +0000 (18:28 +0200)]
staging: serqt_usb2: Add blank line after declaration
Use a more common kernel coding style.
Signed-off-by: Thomas Vegas <thomas_75@safe-mail.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Thomas Vegas [Tue, 1 Apr 2014 16:27:34 +0000 (18:27 +0200)]
staging: serqt_usb2: Remove useless variable
Use a more common kernel coding style.
Signed-off-by: Thomas Vegas <thomas_75@safe-mail.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Ian Abbott [Fri, 2 May 2014 12:50:14 +0000 (13:50 +0100)]
staging: comedi: remove async parameter from resize_async_buffer()
The `struct comedi_async *async` parameter of `resize_async_buffer()` is
redundant as its value can be easily derived from the `struct
comedi_subdevice *s` parameter as `s->async`. Remove the parameter.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Ian Abbott [Fri, 2 May 2014 12:50:13 +0000 (13:50 +0100)]
staging: comedi: remove redundant pointer dereference in comedi_poll()
`s->async->subdevice` in `comedi_poll()` points to the same `struct
comedi_subdevice` as `s`, so the double pointer reference is redundant.
Just use `s`.
(`s->async->subdevice` is initialized by
`__comedi_device_postconfig_async()` in
"drivers/staging/comedi/drivers.c" and doesn't change.)
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Ian Abbott [Thu, 1 May 2014 16:38:24 +0000 (17:38 +0100)]
staging: comedi: amplc_dio200_common: correct bound on counter mode
For the mode configured by the `INSN_CONFIG_SET_COUNTER_MODE` comedi
instruction for the counter subdevice channels supported by this module,
the upper bound should be `I8254_MODE5 | I8254_BCD` ((5 << 1) | 1)
rather than `I8254_MODE5 | I8254_BINARY` ((5 << 1) | 0). Fix it.
Reported-by: Hartley Sweeten <HartleyS@visionengravers.com>
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Ian Abbott [Thu, 1 May 2014 16:38:23 +0000 (17:38 +0100)]
staging: comedi: drivers: correct mode check for i8254_set_mode()
The upper bound check on the `mode` parameter of `i8254_set_mode()` and
`i8254_mm_set_mode()` is incorrect. The `mode` parameter value consists
of a mode number in the range 0 to 5 in bits 3..1 {represented by the
constants `I8254_MODE0` (0 << 1) through to `I8254_MODE5` (2 << 1)} ORed
with a BCD/binary flag in bit 0 {represented by the constants
`I8254_BINARY` (0) and `I8254_BCD` (1)}. The maximum allowed value
ought to be `I8254_MODE5 | I8254_BCD` ((5 << 1) | 1), but is currently
`I8254_MODE5 | I8254_BINARY` ((5 << 1) | 0). Fix it.
None of the comedi drivers use `I8254_BCD` but some of the low-level
drivers allow user-space to configure the counter mode, so all legal
values ought to be allowed. However, it's pretty unlikely anyone would
want to set the counters to count in BCD (binary coded decimal) so the
bug is not that significant.
Reported-by: Hartley Sweeten <HartleyS@visionengravers.com>
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Luca Ellero [Wed, 30 Apr 2014 09:22:07 +0000 (11:22 +0200)]
staging: comedi: fix checkpatch warnings
Signed-off-by: Luca Ellero <luca.ellero@brickedbrain.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
H Hartley Sweeten [Tue, 29 Apr 2014 19:59:59 +0000 (12:59 -0700)]
staging: comedi: das16: clarify 8254 timer programming
Refactor the 8254 timer programming to use the i8254_set_mode()
and i8254_write() helpers instead of i8254_load(). This allows
us to use the I8254_MODE* defines to clarify 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 [Tue, 29 Apr 2014 19:59:58 +0000 (12:59 -0700)]
staging: comedi: das16m1: clarify 8254 timer programming
Refactor the 8254 timer programming to use the i8254_set_mode()
and i8254_write() helpers instead of i8254_load(). This allows
us to use the I8254_MODE* defines to clarify 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 [Tue, 29 Apr 2014 19:59:57 +0000 (12:59 -0700)]
staging: comedi: ni_at_a2150: clarify 8254 timer programming
Refactor the 8254 timer programming to use the i8254_set_mode()
and i8254_write() helpers instead of i8254_load(). This allows
us to use the I8254_MODE* defines to clarify 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 [Tue, 29 Apr 2014 19:59:56 +0000 (12:59 -0700)]
staging: comedi: ni_labpc: fix 8254 timer programming
As pointed out by Ian Abbott, the i8254_load() function does not
use the I8254_MODE* values to specify the "mode".
The labpc_counter_load() function in this driver is passed an
I8254_MODE* value so we need to use the i8254_set_mode() and
i8254_write() helpers instead of i8254_load() to program the
timers.
The calls to labpc_counter_load() will not fail so change the
return to void and remove all the unnecessary error handling.
Similarly, change the return type of labpc_counter_set_mode() to
void and remove the unnecessary error handling.
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 [Tue, 29 Apr 2014 19:59:55 +0000 (12:59 -0700)]
staging: comedi: das800: clarify 8254 timer programming
Refactor the 8254 timer programming to use the i8254_set_mode()
and i8254_write() helpers instead of i8254_load(). This allows
us to use the I8254_MODE* defines to clarify the code.
The das800_set_frequency() function will not fail. For aesthetics
change the return to a void and remove the error handling.
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 [Tue, 29 Apr 2014 19:59:54 +0000 (12:59 -0700)]
staging: comedi: amplc_pci244: clarify 8254 timer programming
Refactor the 8254 timer programming to use the i8254_set_mode()
and i8254_write() helpers instead of i8254_load(). This allows
us to use the I8254_MODE* defines to clarify 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 [Tue, 29 Apr 2014 19:59:53 +0000 (12:59 -0700)]
staging: comedi: me4000: fix 8254 timer programming
As pointed out by Ian Abbott, the i8254_load() function does not
use the I8254_MODE* values to specify the "mode".
Refactor the 8254 timer programming to use the i8254_set_mode()
and i8254_write() helpers instead of i8254_load(). This allows
us to use the I8254_MODE* defines to clarify the code.
Also, use the CR_CHAN() macro to make sure the only the channel is
used in the insh->chanspec to specify the counter 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 [Tue, 29 Apr 2014 19:59:52 +0000 (12:59 -0700)]
staging: comedi: ni_at_ao: fix 8254 timer programming
As pointed out by Ian Abbott, the i8254_load() function does not
use the I8254_MODE* values to specify the "mode".
Refactor the 8254 timer programming to use the i8254_set_mode()
and i8254_write() helpers instead of i8254_load(). This allows
us to use the I8254_MODE* defines to clarify 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 [Tue, 29 Apr 2014 19:59:51 +0000 (12:59 -0700)]
staging: comedi: pcl711: fix 8254 timer programming
As pointed out by Ian Abbott, the i8254_load() function does not
use the I8254_MODE* values to specify the "mode".
Refactor the 8254 timer programming to use the i8254_set_mode()
and i8254_write() helpers instead of i8254_load(). This allows
us to use the I8254_MODE* defines to clarify the code.
For aesthetics, factor the timer programming out as a separate
function.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
H Hartley Sweeten [Tue, 29 Apr 2014 19:59:50 +0000 (12:59 -0700)]
staging: comedi: hwdrv_apci3120: remove clearing of 'b_OutputMemoryStatus'
This private data member is not used by this driver. Remove the unnecessary
clearing of 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>
H Hartley Sweeten [Tue, 29 Apr 2014 19:59:49 +0000 (12:59 -0700)]
staging: comedi: hwdrv_apci3120: fix 'b_AiCyclicAcquisition' usage
This private data member is set when an analog input async command is
started by apci3120_cyclic_ai() and cleared when the command finishes
or is canceled.
Rename the CamelCase member to 'ai_running' and convert it to a
bit-field flag.
Remove the unnecessary clearing of the flag before or after calling
apci3120_cancel().
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 [Tue, 29 Apr 2014 19:59:48 +0000 (12:59 -0700)]
staging: comedi: hwdrv_apci3120: cmd->convert_src is always TRIG_TIMER
The (*do_cmdtest) validates that the cmd->convert_src can only be
TRIG_TIMER. Remove the unnecessay checks.
THis also simplifies the (*do_cmd) a bit since "mode 3" (whatever that
is) is never a valid mode.
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 [Tue, 29 Apr 2014 19:59:47 +0000 (12:59 -0700)]
staging: comedi: addi_common.h: remove 'b_AiContinuous' from private data
This member of the private data can be determined by checking the cmd->stop_src.
Do that instead.
Fix the b_AiContinuous check in apci3120_ai_cmd(). The (*do_cmdtest) validates
that the cmd->stop_arg os >= 1 for TRIG_COUNT and 0 for TRIG_NONE. The correct
test to set this flag is (cmd->stop_src == TRIG_NONE).
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 [Tue, 29 Apr 2014 19:59:46 +0000 (12:59 -0700)]
staging: comedi: addi_common.h: remove 'ui_AiNbrofScans' from private data
This member of the private data is a copy of the cmd->stop_arg. Use that
instead.
Fix the b_AiContinuous check in apci3120_ai_cmd(). The (*do_cmdtest) validates
that the cmd->stop_arg os >= 1 for TRIG_COUNT and 0 for TRIG_NONE. The correct
test to set this flag is (cmd->stop_src == TRIG_NONE).
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 [Tue, 29 Apr 2014 19:59:45 +0000 (12:59 -0700)]
staging: comedi: addi_common.h: remove 'ui_AiDataLength' from private data
This member of the private data is a copy of the s->async->prealloc_bufsz.
Use that instead.
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 [Tue, 29 Apr 2014 19:59:44 +0000 (12:59 -0700)]
staging: comedi: addi_common.h: remove 'ui_AiTimer1' from private data
This member of the private data is a copy of the cmd->scan_begin_arg.
Use that instead.
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 [Tue, 29 Apr 2014 19:59:43 +0000 (12:59 -0700)]
staging: comedi: addi_common.h: remove 'ui_AiTimer0' from private data
This member of the private data is a copy of the cmd->convert_arg. Use
that instead.
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 [Tue, 29 Apr 2014 19:59:42 +0000 (12:59 -0700)]
staging: comedi: addi_common.h: remove 'pui_AiChannelList' from private data
This member of the private data is a copy of the cmd->chanlist. Use that
instead.
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 [Tue, 29 Apr 2014 19:59:41 +0000 (12:59 -0700)]
staging: comedi: addi_common.h: remove 'ui_AiScanLength' from private data
This member of the private data is a copy of the cmd->scan_end_arg. Use that
instead.
Use a local variable in apci3120_cyclic_ai() for the DMA 'scan_bytes', which
is the cmd->scan_end_arg * 2. Replace the open-coded '2' with sizeof(short).
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 [Tue, 29 Apr 2014 19:59:40 +0000 (12:59 -0700)]
staging: comedi: addi_common.h: remove 'ui_AiFlags' from private data
This member of the private data is a copy of the cmd->flags. Use that instead.
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 [Tue, 29 Apr 2014 19:59:39 +0000 (12:59 -0700)]
staging: comedi: amplc_pci230: remove 'ao_continuous' from private data
This member of the private data can be determined by checking the cmd->stop_src.
Do that instead.
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 [Tue, 29 Apr 2014 19:59:38 +0000 (12:59 -0700)]
staging: comedi: amplc_pci230: remove 'ai_continuous' from private data
This member of the private data can be determined by checking the cmd->stop_src.
Do that instead.
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 [Tue, 29 Apr 2014 19:59:37 +0000 (12:59 -0700)]
staging: comedi: amplc_pci224: remove 'ai_stop_continuous' from private data
This member of the private data can be determined by checking the cmd->stop_src.
Do that instead.
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 [Tue, 29 Apr 2014 19:59:36 +0000 (12:59 -0700)]
staging: comedi: addi_apci_2032: tidy up cmd use in apci2032_interrupt()
Use a local variable for the comedi_cmd and tidy up this function a bit.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
H Hartley Sweeten [Tue, 29 Apr 2014 19:59:35 +0000 (12:59 -0700)]
staging: comedi: adl_pci9111: tidy up (*do_cmdtest) Step 4
This step in the (*do_cmdtest) fixes the comedi_cmd arguments, usually
for TRIG_TIMER sources.
Tidy up this step to clarify the code and remove the extra local
variables. All the arguments are unsigned long so change the 'tmp'
local variable type and rename it for aesthetics.
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 [Tue, 29 Apr 2014 19:59:34 +0000 (12:59 -0700)]
staging: comedi: 8253.h: remove the unused i8253_cascade_ns_to_timer_*()
None of the comedi drivers use the i8253_cascade_ns_to_timer_2div_old()
or i8253_cascade_ns_to_timer_power() helpers to calculate the cascaded
divisors. Remove them to avoid any confusion.
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 [Tue, 29 Apr 2014 19:59:33 +0000 (12:59 -0700)]
staging: comedi: 8253.h: rename i8253_cascade_ns_to_timer_2div()
All of the comedi drivers use the i8253_cascade_ns_to_timer macro
when calculating the divisors for the cascaded timers. This macro
just causes the i8253_cascade_ns_to_timer_2div() inline to be used.
Rename i8253_cascade_ns_to_timer_2div() and remove the 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 [Tue, 29 Apr 2014 19:59:32 +0000 (12:59 -0700)]
staging: comedi: das1800: don't calc pacer divisors twice
The analog input async command can use the pacer for the scan_begin_src
or the convert_src. The (*do_cmdtest) calculates the divisors when
validating the cmd argument.
There is no reason to recalc the divisors in the (*do_cmd). Just use the
values from the private data.
For aesthetics, rename the setup_counters() function so it has namespace
associated with the driver. Refactor the function to use the values from
the private data and absorb das1800_set_frequency() to clarify the code.
Refactor the function to use the i8254_set_mode() and i8254_write()
helpers instead of i8254_load(). This allows us to use the I8254_* defines
when setting the mode to clarify the code.
This function will not fail so change the return type to void to simplify
the (*do_cmd) a bit.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
H Hartley Sweeten [Tue, 29 Apr 2014 19:59:31 +0000 (12:59 -0700)]
staging: comedi: das1800: refactor Step 4 of das1800_ai_do_cmdtest()
Refactor this code to reduce the indent level and the > 80 char
lines.
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 [Tue, 29 Apr 2014 19:59:30 +0000 (12:59 -0700)]
staging: comedi: das16m1: don't calc pacer divisors twice
The analog input async command can use the pacer for the convert_src. The
(*do_cmdtest) calculates the divisors when validating the cmd argument.
There is no reason to recalc the divisors in the (*do_cmd). Just use the
values from the private data.
Refactor das16m1_set_pacer() to use the i8254_set_mode() and i8254_write()
helpers instead of i8254_load(). This allows us to use the I8254_* defines
when setting the mode to clarify the code.
Tidy up das16m1_cmd_exec() a bit. The pacer only needs to be set when the
convert_src is TRIG_TIMER.
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 [Tue, 29 Apr 2014 19:59:29 +0000 (12:59 -0700)]
staging: comedi: cb_pcidas: don't calc ao pacer divisors twice
The analog output async command can use the pacer for the scan_begin_src.
The (*do_cmdtest) calculates the divisors when validating the cmd argument.
There is no reason to recalc the divisors in the (*do_cmd). Just use the
values from the private data.
For aesthetics, factor out the code that loads the counters to match the
analog input. Refactor the code to use the i8254_set_mode() and i8254_write()
helpers instead of i8254_load(). This allows us to use the I8254_* defines
when setting the mode to clarify 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 [Tue, 29 Apr 2014 19:59:28 +0000 (12:59 -0700)]
staging: comedi: cb_pcidas: don't calc ai pacer divisors twice
The analog input async command can use the pacer for the scan_bagin_src
or the convert_src. The (*do_cmdtest) validates that only one of these
sources has the TRIG_TIMER selected and calculates the divisors when
validating the cmd argument.
There is no reason to recalc the divisors in the (*do_cmd). Just use
the values from the private data.
Also, refactor cb_pcidas_load_counters() to use the i8254_set_mode()
and i8254_write() helpers instead of i8254_load(). This allows us to
use the I8254_* defines when setting the mode to clarify 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 [Tue, 29 Apr 2014 18:08:43 +0000 (11:08 -0700)]
staging: comedi: adv_pci1710: remove 'ai_act_chan' from private data
This member of the private data is not ued by the driver. 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>
H Hartley Sweeten [Tue, 29 Apr 2014 18:08:42 +0000 (11:08 -0700)]
staging: comedi: adv_pci1710: remove 'i8254_osc_base' from private data
This member of the private data is always set to I8254_OSC_BASE_10MHZ. Remove
it from the private data and just open code the value.
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 [Tue, 29 Apr 2014 18:08:41 +0000 (11:08 -0700)]
staging: comedi: adv_pci1710: always enable PCI171x_PARANOIDCHECK code
This define enables code that checks for analog input channel dropout
when reading samples. The define is enabled so we might as well always
enable the code and remove the define.
Factor out the common channel dropout detect code as a helper function
and 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 [Tue, 29 Apr 2014 18:08:40 +0000 (11:08 -0700)]
staging: comedi: adv_pci1710: rename interrupt helper functions
For aesthetics, rename the helper functions that are called by
the interrupt function to handle reading the analog input samples.
Also, change the parameters to the helpers to the comedi_device
and comedi_subdevice pointers.
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 [Tue, 29 Apr 2014 18:08:39 +0000 (11:08 -0700)]
staging: comedi: adv_pci1710: tidy up start_pacer()
For aesthetics, rename this function so it has namespace associated
with the driver.
Change the parameters to the function. The 'mode' is really a flag to
load the counters and the divisors can be found in the private data.
To clarify the code and remove the magic numbers, use the 8253.h
helpers to set the timer mode and load the counters.
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 [Tue, 29 Apr 2014 18:08:38 +0000 (11:08 -0700)]
staging: comedi: adv_pci1710: remove local var in pci171x_ai_cmd()
The local variable 'mode' is not necessary. We can determine the mode
by checking the cmd->convert_src and cmd->start_src. Do this instead
to clarify 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 [Tue, 29 Apr 2014 18:08:37 +0000 (11:08 -0700)]
staging: comedi: adv_pci1710: only calc the pacer divisors once
When the cmd->convert_src == TRIG_TIMER the divisors needed to
generate the pacer time are calculated in the (*do_cmdtest) to
validate the cmd->convert_arg. The core always does the (*do_cmdtest)
before the (*do_cmd) so there is no reason to recalc the divisors.
Save the calculated divisors in the private data as 'next_divisor[12]'.
The (*do_cmd) then transfers them to the private data 'divisor[12]' so
that they can be used to set the timer for the command immediately or
later when the cmd->start_src is TRIG_EXT (mode 2 in this driver).
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
H Hartley Sweeten [Tue, 29 Apr 2014 18:08:36 +0000 (11:08 -0700)]
staging: comedi: adv_pci1710: remove 'ai_eos' from private data
This member of the private data is is not necessary. We can just check the
cmd->flags for TRIG_WAKE_EOS when needed. Remvoe the member.
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 [Tue, 29 Apr 2014 18:08:35 +0000 (11:08 -0700)]
staging: comedi: adv_pci1710: remove 'ai_buf_ptr' from private data
This member of the private data is set to 0 but never used. Just 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>
H Hartley Sweeten [Tue, 29 Apr 2014 18:08:34 +0000 (11:08 -0700)]
staging: comedi: adv_pci1710: remove 'neverending_ai' from private data
This member of the private data is not necessary. We can determine if
the analog input command is neverending by checking the cmd->stop_src:
TRIG_COUNT -> !neverending_ai
TRIG_NONE -> neverending_ai
Do that instead and remove the unnecessary member.
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 [Tue, 29 Apr 2014 18:08:33 +0000 (11:08 -0700)]
staging: comedi: adv_pci1710: don't check the chanlist twice
The chanlist is checked in Step 5 of the (*do_cmdtest) there is no
reason to check it again in the (*do_cmd). The only reason its done
again is to get the actual 'seglen', the non-repeating length of the
chanlist.
Save the 'seglen' found by pci171x_ai_check_chanlist() in the private
data and use that in the (*do_cmd). Rename the private data member to
clarify it. Also, remove the unused 'act_chanlist_pos' member from the
private data.
Refactor the error handling in pci171x_ai_check_chanlist() so it returns
and errno for failure and 0 for success.
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 [Tue, 29 Apr 2014 18:08:32 +0000 (11:08 -0700)]
staging: comedi: adv_pci1710: tidy up pci171x_ai_check_chanlist()
Tidy up this function to clarify what the chanlist is being checked for.
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>
Raghavendra Ganiga [Thu, 1 May 2014 08:23:12 +0000 (13:53 +0530)]
staging: comedi: fix coding style issues in comedi_fops.c
This is a patch to fix coding style
warnings found by checkpatch.pl tool
Signed-off-by: Raghavendra Chandra Ganiga <ravi23ganiga@gmail.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Chase Southwood [Sat, 3 May 2014 07:49:15 +0000 (02:49 -0500)]
staging: comedi: addi_apci_1564: remove use of devpriv->s_EeParameters
This driver no longer reads the eeprom to find the board specific data,
all the necessary data is in the boardinfo. Use the boardinfo directly
instead of passing through devpriv->s_EeParameters.
Signed-off-by: Chase Southwood <chase.southwood@gmail.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Chase Southwood [Tue, 29 Apr 2014 08:37:17 +0000 (03:37 -0500)]
staging: comedi: addi_apci_1564: remove unnecessary info from boardinfo
The i_IorangeBase1, i_PCIEeprom, and pc_EepromChip data in the boardinfo
was only needed to work out the usage of the PCI bars. Now that that is
squared away, this info is no longer needed and can be removed.
Signed-off-by: Chase Southwood <chase.southwood@gmail.com>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Chase Southwood [Wed, 30 Apr 2014 07:57:59 +0000 (02:57 -0500)]
staging: comedi: addi_apci_1564: simplify the PCI bar reading and don't read the unused bars
This driver only uses PCI bar 0 (devpriv->i_IobaseAmcc), and PCI bar 1
(dev->iobase), don't bother reading the unused PCI bars.
Signed-off-by: Chase Southwood <chase.southwood@gmail.com>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Chase Southwood [Tue, 29 Apr 2014 08:34:23 +0000 (03:34 -0500)]
staging: comedi: addi_apci_1564: board has 32 digital inputs
This board always has 32 digital inputs. Remove the test when
initializing the subdevice.
Also, since this board is the only one supported by this driver,
remove the boardinfo about the digital inputs and just use the
data directly in the subdevice init.
Signed-off-by: Chase Southwood <chase.southwood@gmail.com>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Chase Southwood [Sun, 27 Apr 2014 01:36:44 +0000 (20:36 -0500)]
staging: comedi: addi_apci_1564: remove unnecessary include
This include is no longer needed.
Signed-off-by: Chase Southwood <chase.southwood@gmail.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Chase Southwood [Sun, 27 Apr 2014 01:35:58 +0000 (20:35 -0500)]
staging: comedi: addi_apci_1564: remove eeprom support code
Reading the eeprom on this board is not necessary. All information
required is in the boardinfo.
Remove the eeprom support code which is not really useful here.
Signed-off-by: Chase Southwood <chase.southwood@gmail.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Christian Engelmayer [Sat, 26 Apr 2014 14:04:29 +0000 (16:04 +0200)]
staging: comedi: remove duplicate pointer assignments in attach functions
Some board pointer are assigned twice via comedi_board() in the comedi low
level driver attach functions. Remove the duplicate assignment from the
variable definition where the pointer is not used anyway until assigned later
in the function when dev->board_ptr, that comedi_board() relies on, is setup
correctly.
Signed-off-by: Christian Engelmayer <cengelma@gmx.at>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Alan Cox [Mon, 28 Apr 2014 19:50:56 +0000 (20:50 +0100)]
goldfish bus: don't call request_mem_region
This is a bug fix that has been lurking in the Google tree but not pushed
upstream.
From: Octavian Purdila <octavian.purdila@intel.com>
The memory region is already reserved in goldfish_init() during
platform init.
Signed-off-by: Octavian Purdila <octavian.purdila@intel.com>
Signed-off-by: Jun Tian <jun.j.tian@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Alan [Mon, 28 Apr 2014 19:47:36 +0000 (20:47 +0100)]
goldfish: Add a 64bit write helper
The base code imported from the Google tree is ifdef heaven. Prepare to fix
this by adding a helper function.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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