mirror of https://gitee.com/openkylin/linux.git
staging: comedi: dmm32at: remove skel driver cut-and-paste comments
Remove the cut-and-paste comments from the skel driver. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Cc: Ian Abbott <abbotti@mev.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -160,10 +160,6 @@ struct dmm32at_board {
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const char *name;
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};
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/* this structure is for data unique to this hardware driver. If
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* several hardware drivers keep similar information in this structure,
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* feel free to suggest moving the variable to the struct comedi_device struct.
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*/
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struct dmm32at_private {
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int data;
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@ -176,11 +172,6 @@ struct dmm32at_private {
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};
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/*
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* "instructions" read/write data in "one-shot" or "software-triggered"
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* mode.
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*/
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static int dmm32at_ai_rinsn(struct comedi_device *dev,
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struct comedi_subdevice *s,
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struct comedi_insn *insn, unsigned int *data)
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@ -253,20 +244,9 @@ static int dmm32at_ai_rinsn(struct comedi_device *dev,
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return n;
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}
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/* This function doesn't require a particular form, this is just
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* what happens to be used in some of the drivers. It should
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* convert ns nanoseconds to a counter value suitable for programming
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* the device. Also, it should adjust ns so that it cooresponds to
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* the actual time that the device will use. */
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static int dmm32at_ns_to_timer(unsigned int *ns, int round)
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{
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/* trivial timer */
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/* if your timing is done through two cascaded timers, the
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* i8253_cascade_ns_to_timer() function in 8253.h can be
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* very helpful. There are also i8254_load() and i8254_mm_load()
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* which can be used to load values into the ubiquitous 8254 counters
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*/
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return *ns;
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}
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@ -278,15 +258,6 @@ static int dmm32at_ai_cmdtest(struct comedi_device *dev,
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int tmp;
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int start_chan, gain, i;
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/* printk("dmmat32 in command test\n"); */
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/* cmdtest tests a particular command to see if it is valid.
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* Using the cmdtest ioctl, a user can create a valid cmd
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* and then have it executes by the cmd ioctl.
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*
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* cmdtest returns 1,2,3,4 or 0, depending on which tests
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* the command passes. */
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/* step 1: make sure trigger sources are trivially valid */
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tmp = cmd->start_src;
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@ -659,8 +630,6 @@ static int dmm32at_ao_winsn(struct comedi_device *dev,
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return i;
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}
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/* AO subdevices should have a read insn as well as a write insn.
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* Usually this means copying a value stored in devpriv. */
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static int dmm32at_ao_rinsn(struct comedi_device *dev,
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struct comedi_subdevice *s,
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struct comedi_insn *insn, unsigned int *data)
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@ -675,11 +644,6 @@ static int dmm32at_ao_rinsn(struct comedi_device *dev,
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return i;
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}
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/* DIO devices are slightly special. Although it is possible to
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* implement the insn_read/insn_write interface, it is much more
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* useful to applications if you implement the insn_bits interface.
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* This allows packed reading/writing of the DIO channels. The
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* comedi core can convert between insn_bits and insn_read/write */
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static int dmm32at_dio_insn_bits(struct comedi_device *dev,
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struct comedi_subdevice *s,
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struct comedi_insn *insn, unsigned int *data)
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@ -853,10 +817,6 @@ static int dmm32at_attach(struct comedi_device *dev,
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dev->board_name = board->name;
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/*
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* Allocate the private structure area. alloc_private() is a
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* convenient macro defined in comedidev.h.
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*/
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if (alloc_private(dev, sizeof(*devpriv)) < 0)
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return -ENOMEM;
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devpriv = dev->private;
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