1 files changed, 0 insertions, 131 deletions
diff --git a/drivers/staging/comedi/range.c b/drivers/staging/comedi/range.c
deleted file mode 100644
index a4e6fe0fb729..000000000000
--- a/drivers/staging/comedi/range.c
+++ /dev/null
@@ -1,131 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * comedi/range.c
- * comedi routines for voltage ranges
- *
- * COMEDI - Linux Control and Measurement Device Interface
- * Copyright (C) 1997-8 David A. Schleef <ds@schleef.org>
- */
-
-#include <linux/uaccess.h>
-#include "comedidev.h"
-#include "comedi_internal.h"
-
-const struct comedi_lrange range_bipolar10 = { 1, {BIP_RANGE(10)} };
-EXPORT_SYMBOL_GPL(range_bipolar10);
-const struct comedi_lrange range_bipolar5 = { 1, {BIP_RANGE(5)} };
-EXPORT_SYMBOL_GPL(range_bipolar5);
-const struct comedi_lrange range_bipolar2_5 = { 1, {BIP_RANGE(2.5)} };
-EXPORT_SYMBOL_GPL(range_bipolar2_5);
-const struct comedi_lrange range_unipolar10 = { 1, {UNI_RANGE(10)} };
-EXPORT_SYMBOL_GPL(range_unipolar10);
-const struct comedi_lrange range_unipolar5 = { 1, {UNI_RANGE(5)} };
-EXPORT_SYMBOL_GPL(range_unipolar5);
-const struct comedi_lrange range_unipolar2_5 = { 1, {UNI_RANGE(2.5)} };
-EXPORT_SYMBOL_GPL(range_unipolar2_5);
-const struct comedi_lrange range_0_20mA = { 1, {RANGE_mA(0, 20)} };
-EXPORT_SYMBOL_GPL(range_0_20mA);
-const struct comedi_lrange range_4_20mA = { 1, {RANGE_mA(4, 20)} };
-EXPORT_SYMBOL_GPL(range_4_20mA);
-const struct comedi_lrange range_0_32mA = { 1, {RANGE_mA(0, 32)} };
-EXPORT_SYMBOL_GPL(range_0_32mA);
-const struct comedi_lrange range_unknown = { 1, {{0, 1000000, UNIT_none} } };
-EXPORT_SYMBOL_GPL(range_unknown);
-
-/*
- * COMEDI_RANGEINFO ioctl
- * range information
- *
- * arg:
- *	pointer to comedi_rangeinfo structure
- *
- * reads:
- *	comedi_rangeinfo structure
- *
- * writes:
- *	array of comedi_krange structures to rangeinfo->range_ptr pointer
- */
-int do_rangeinfo_ioctl(struct comedi_device *dev,
-		       struct comedi_rangeinfo *it)
-{
-	int subd, chan;
-	const struct comedi_lrange *lr;
-	struct comedi_subdevice *s;
-
-	subd = (it->range_type >> 24) & 0xf;
-	chan = (it->range_type >> 16) & 0xff;
-
-	if (!dev->attached)
-		return -EINVAL;
-	if (subd >= dev->n_subdevices)
-		return -EINVAL;
-	s = &dev->subdevices[subd];
-	if (s->range_table) {
-		lr = s->range_table;
-	} else if (s->range_table_list) {
-		if (chan >= s->n_chan)
-			return -EINVAL;
-		lr = s->range_table_list[chan];
-	} else {
-		return -EINVAL;
-	}
-
-	if (RANGE_LENGTH(it->range_type) != lr->length) {
-		dev_dbg(dev->class_dev,
-			"wrong length %d should be %d (0x%08x)\n",
-			RANGE_LENGTH(it->range_type),
-			lr->length, it->range_type);
-		return -EINVAL;
-	}
-
-	if (copy_to_user(it->range_ptr, lr->range,
-			 sizeof(struct comedi_krange) * lr->length))
-		return -EFAULT;
-
-	return 0;
-}
-
-/**
- * comedi_check_chanlist() - Validate each element in a chanlist.
- * @s: comedi_subdevice struct
- * @n: number of elements in the chanlist
- * @chanlist: the chanlist to validate
- *
- * Each element consists of a channel number, a range index, an analog
- * reference type and some flags, all packed into an unsigned int.
- *
- * This checks that the channel number and range index are supported by
- * the comedi subdevice.  It does not check whether the analog reference
- * type and the flags are supported.  Drivers that care should check those
- * themselves.
- *
- * Return: %0 if all @chanlist elements are valid (success),
- *         %-EINVAL if one or more elements are invalid.
- */
-int comedi_check_chanlist(struct comedi_subdevice *s, int n,
-			  unsigned int *chanlist)
-{
-	struct comedi_device *dev = s->device;
-	unsigned int chanspec;
-	int chan, range_len, i;
-
-	for (i = 0; i < n; i++) {
-		chanspec = chanlist[i];
-		chan = CR_CHAN(chanspec);
-		if (s->range_table)
-			range_len = s->range_table->length;
-		else if (s->range_table_list && chan < s->n_chan)
-			range_len = s->range_table_list[chan]->length;
-		else
-			range_len = 0;
-		if (chan >= s->n_chan ||
-		    CR_RANGE(chanspec) >= range_len) {
-			dev_warn(dev->class_dev,
-				 "bad chanlist[%d]=0x%08x chan=%d range length=%d\n",
-				 i, chanspec, chan, range_len);
-			return -EINVAL;
-		}
-	}
-	return 0;
-}
-EXPORT_SYMBOL_GPL(comedi_check_chanlist);