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Subject[PATCH 4/5] staging: comedi: comedi.h: remove struct comedi_trig
Date
Remove `struct comedi_trig` and some associated macros, `TRIG_DITHER`,
`TRIG_DEGLITCH`, `TRIG_CONFIG`, and ioctl code `COMEDI_TRIG`. These
have been obsolete since COMEDI release 0.7.61 back in November 2001.

The userspace COMEDILIB library still has some deprecated code that
may attempt to use these, but it uses its own, compatible version of
"comedi.h", so isn't affected by their removal from the kernel copy.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
---
drivers/staging/comedi/comedi.h | 24 +-----------------------
1 file changed, 1 insertion(+), 23 deletions(-)

diff --git a/drivers/staging/comedi/comedi.h b/drivers/staging/comedi/comedi.h
index 2ab48ce..c562be8 100644
--- a/drivers/staging/comedi/comedi.h
+++ b/drivers/staging/comedi/comedi.h
@@ -120,13 +120,6 @@
#define INSN_WAIT (5 | INSN_MASK_WRITE | INSN_MASK_SPECIAL)
#define INSN_INTTRIG (6 | INSN_MASK_WRITE | INSN_MASK_SPECIAL)

-/* trigger flags */
-/* These flags are used in comedi_trig structures */
-
-#define TRIG_DITHER 0x0002 /* enable dithering */
-#define TRIG_DEGLITCH 0x0004 /* enable deglitching */
-#define TRIG_CONFIG 0x0010 /* perform configuration, not triggering */
-
/* command flags */
/* These flags are used in comedi_cmd structures */

@@ -459,7 +452,7 @@ enum comedi_counter_status_flags {
#define COMEDI_DEVINFO _IOR(CIO, 1, struct comedi_devinfo)
#define COMEDI_SUBDINFO _IOR(CIO, 2, struct comedi_subdinfo)
#define COMEDI_CHANINFO _IOR(CIO, 3, struct comedi_chaninfo)
-#define COMEDI_TRIG _IOWR(CIO, 4, comedi_trig)
+/* _IOWR(CIO, 4, ...) is reserved */
#define COMEDI_LOCK _IO(CIO, 5)
#define COMEDI_UNLOCK _IO(CIO, 6)
#define COMEDI_CANCEL _IO(CIO, 7)
@@ -476,21 +469,6 @@ enum comedi_counter_status_flags {

/* structures */

-struct comedi_trig {
- unsigned int subdev; /* subdevice */
- unsigned int mode; /* mode */
- unsigned int flags;
- unsigned int n_chan; /* number of channels */
- unsigned int *chanlist; /* channel/range list */
- short *data; /* data list, size depends on subd flags */
- unsigned int n; /* number of scans */
- unsigned int trigsrc;
- unsigned int trigvar;
- unsigned int trigvar1;
- unsigned int data_len;
- unsigned int unused[3];
-};
-
/**
* struct comedi_insn - COMEDI instruction
* @insn: COMEDI instruction type (%INSN_xxx).
--
2.7.0
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