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Tidy up the whitespace in the comedi_lrange tables.
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>
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Tidy up the whitespace in the comedi_lrange tables.
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>
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Tidy up the whitespace in the comedi_lrange tables.
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>
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Tidy up the whitespace in the comedi_lrange tables.
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>
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Tidy up the whitespace in the comedi_lrange tables.
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>
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Tidy up the whitespace in the comedi_lrange tables.
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>
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Tidy up the whitespace in the comedi_lrange tables.
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>
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Tidy up the whitespace in the comedi_lrange tables.
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>
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Tidy up the whitespace in the comedi_lrange tables.
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>
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Tidy up the whitespace in the comedi_lrange tables.
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>
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Tidy up the whitespace in the comedi_lrange tables.
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>
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Tidy up the whitespace in the comedi_lrange tables.
Use the BIP_RANGE and UNI_RANGE macros instead of the more generic
RANGE macro to reduce possible typo errors.
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>
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Tidy up the whitespace in the comedi_lrange tables.
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>
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Tidy up the whitespace in the comedi_lrange tables.
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>
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Tidy up the whitespace in the comedi_lrange tables.
Use the BIP_RANGE and UNI_RANGE macros instead of the more generic
RANGE macro to reduce possible typo errors.
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>
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Tidy up the whitespace in the comedi_lrange tables.
Use the BIP_RANGE and UNI_RANGE macros instead of the more generic
RANGE macro to reduce possible typo errors.
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>
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Tidy up the whitespace in the comedi_lrange tables.
Use the BIP_RANGE and UNI_RANGE macros instead of the more generic
RANGE macro to reduce possible typo errors.
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>
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Tidy up the whitespace in the comedi_lrange tables.
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>
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Tidy up the whitespace in the comedi_lrange tables.
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>
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Tidy up the whitespace in the comedi_lrange tables.
Use the BIP_RANGE and UNI_RANGE macros instead of the more generic
RANGE macro to reduce possible typo errors.
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>
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Tidy up the whitespace in the comedi_lrange tables.
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>
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Tidy up the whitespace in the comedi_lrange tables.
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>
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Tidy up the whitespace in the comedi_lrange tables.
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>
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Tidy up the whitespace in the comedi_lrange tables.
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>
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Tidy up the whitespace in the comedi_lrange tables.
Use the BIP_RANGE and UNI_RANGE macros instead of the more generic
RANGE macro to reduce possible typo errors.
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>
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Tidy up the whitespace in the comedi_lrange tables.
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>
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The SDF_CMD_READ should be one of the s->subdev_flags not part of
the s->type.
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>
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Fis the last checkpatch.pl warning in this driver:
WARNING: space prohibited between function name and open parenthesis '('
+ comedi_buf_put (s->async, val >> 16)) {
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>
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Tidy up the multi-line comments are the beginning of the file to follow
the CodingStyle.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Change the MODULE_DESCRIPTION to something more usefull than the
generic "Comedi low-level 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>
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The comedi core expects the (*attach) functions to return < 0 to indicate
an error or >= 0 for success. Change the return to '0' as that is more
typical.
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>
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Fix the types of some of the private data members. The 'enabled_mask' and
'stop_count' should be unsigned int values. The 'active' and 'continuous'
members are flags, change them to unsigned int bit fields.
Remove the 'sprivs' pointer. This should have been removed when the subdevice
private data was removed.
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>
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These defines are not longer used in the driver. 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>
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Refactor the function to remove some indent levels.
Use pcmmio_dio_write() to write the polarity and enable paged registers
instead of using the for () loop to write each register in the pages.
The for () loop actually has a bug. It switches the page to the 'enab'
registers for the first port then switches to the 'pol' registers for
all remaining writes. It also was not using the pagelock spinlock to
protect the writes to the page registers. Using the pcmmio_dio_write()
helper ensures that the writes to the paged registers complete correctly.
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>
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To use interrupts the IRQ routing must be configured and interrupts
enabled. Currently both steps are being handled in pcmmio_start_intr().
Move the code that sets the IRQ routing into the attach of the board.
At this point interrupts are still disabled. The enable and polarity
bits just need to be set in pcmmio_start_intr() to enable 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>
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Refactor the board attach so that the async commands support is only
hooked up if the irq is actually available.
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>
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Refactor the code to remove some of the indent levels.
Remove 'mytrig', the shift and mask end up making it the same as 'triggered'
anyway.
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>
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Factor the code that actually handles the digital input triggers out of
the interrupt handler.
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>
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Use the helper functions to read/write the PCMMIO_PAGE_INT_ID registers. This
allows removing the need to lock/unlock the spinlock 'pagelock' and removes the
need for the for () loop that did the read/write of the 3 paged registers.
Also, remove the need for the 'got1' local variable by just returning 'IRQ_NONE'
if there are not interrupts pending.
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>
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Remove the extra indent levels in this function that resulted from
code removed in previous patches.
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>
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The (*detach) of this driver just calls comedi_legacy_detach(). Use that
directly for the (*detach).
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>
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Only subdevice[2], the dio interrupt subdevice, uses the subdevice private data.
Move the members from struct pcmmio_subdev_private to struct pcmmio_private and
remove the subdevice private data. This also allows removing the allocation and
freeing of devpriv->sprivs.
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>
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The 'num_asic_chans' that support interrupts in the interrupt subdevice is
always initialized to '24'. Remove this unneeded information from the subdevice
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>
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The first 'asic_chan' that supports interrupts in the interrupt subdevice is
always initialized to '0'. Remove this unneeded information from the subdevice
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>
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The 'first_chan' that supports interrupts in the interrupt subdevice is always
initialized to '0'. Remove this unneeded information from the subdevice 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>
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This member of the subdevice private data is always initialized to '0' by
the only subdevice that uses it. Since we only have one asic on the board
it's really not needed. 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>
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There is only one asic on the board so the for () loop in the interrupt
handler to check multiple asics is not needed.
The sanity check of the 'irq' in the interrupt handler is also not needed.
If it _is_ wrong we have bigger problems in 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>
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The board supported by this driver only has one asic that provides the
two digital i/o subdevices. The first dio subdevice has 24 channels that
support interrupts. The second dio subdevice also has 24 channels but no
interrupt support.
To make the code clearer and easier to maintain, remove the for () loop
that initialized these subdevices.
Also, correctly initialize the interrupt subdevice. The current code does
not set the SDF_CMD_READ subdev_flag and does not set the dev->read_subdev
pointer in the comedi_device.
Use the dev->read_subdev pointer in the interrupt handler to get the
interrupt subdevice and private data pointer instead of searching for
them. To keep this patch reviewable, the extra indents in interrupt_pcmmio()
will be removed later.
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>
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This function is only called by the interrupt subdevice so the sanity
check of the 'asic' is not necessary. Remove it.
The 'nports' is always 3 and the 'firstport' is always 0. Remove the
for () loop that clears the registers to disable the interrupts and
just use the pcmmio_dio_write() helper to write to the three page
registers.
This also fixes a bug where the write to the page registers is not
protected with the spinlock.
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>
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This member of the subdevice private data is not longer used. 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>
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