1 files changed, 0 insertions, 132 deletions
diff --git a/drivers/staging/comedi/drivers/comedi_fc.c b/drivers/staging/comedi/drivers/comedi_fc.c
deleted file mode 100644
index c33c3e5680a6..000000000000
--- a/drivers/staging/comedi/drivers/comedi_fc.c
+++ /dev/null
@@ -1,132 +0,0 @@
-/*
- * comedi_fc.c
- * This is a place for code driver writers wish to share between
- * two or more drivers.  fc is short for frank-common.
- *
- * Author: Frank Mori Hess <fmhess@users.sourceforge.net>
- * Copyright (C) 2002 Frank Mori Hess
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <linux/module.h>
-#include "../comedidev.h"
-
-#include "comedi_fc.h"
-
-unsigned int cfc_bytes_per_scan(struct comedi_subdevice *s)
-{
-	struct comedi_cmd *cmd = &s->async->cmd;
-	unsigned int num_samples;
-	unsigned int bits_per_sample;
-
-	switch (s->type) {
-	case COMEDI_SUBD_DI:
-	case COMEDI_SUBD_DO:
-	case COMEDI_SUBD_DIO:
-		bits_per_sample = 8 * bytes_per_sample(s);
-		num_samples = (cmd->chanlist_len + bits_per_sample - 1) /
-				bits_per_sample;
-		break;
-	default:
-		num_samples = cmd->chanlist_len;
-		break;
-	}
-	return num_samples * bytes_per_sample(s);
-}
-EXPORT_SYMBOL_GPL(cfc_bytes_per_scan);
-
-void cfc_inc_scan_progress(struct comedi_subdevice *s, unsigned int num_bytes)
-{
-	struct comedi_async *async = s->async;
-	unsigned int scan_length = cfc_bytes_per_scan(s);
-
-	async->scan_progress += num_bytes;
-	if (async->scan_progress >= scan_length) {
-		async->scan_progress %= scan_length;
-		async->events |= COMEDI_CB_EOS;
-	}
-}
-EXPORT_SYMBOL_GPL(cfc_inc_scan_progress);
-
-/* Writes an array of data points to comedi's buffer */
-unsigned int cfc_write_array_to_buffer(struct comedi_subdevice *s,
-				       void *data, unsigned int num_bytes)
-{
-	struct comedi_async *async = s->async;
-	unsigned int retval;
-
-	if (num_bytes == 0)
-		return 0;
-
-	retval = comedi_buf_write_alloc(s, num_bytes);
-	if (retval != num_bytes) {
-		dev_warn(s->device->class_dev, "buffer overrun\n");
-		async->events |= COMEDI_CB_OVERFLOW;
-		return 0;
-	}
-
-	comedi_buf_memcpy_to(s, 0, data, num_bytes);
-	comedi_buf_write_free(s, num_bytes);
-	cfc_inc_scan_progress(s, num_bytes);
-	async->events |= COMEDI_CB_BLOCK;
-
-	return num_bytes;
-}
-EXPORT_SYMBOL_GPL(cfc_write_array_to_buffer);
-
-unsigned int cfc_read_array_from_buffer(struct comedi_subdevice *s,
-					void *data, unsigned int num_bytes)
-{
-	if (num_bytes == 0)
-		return 0;
-
-	num_bytes = comedi_buf_read_alloc(s, num_bytes);
-	comedi_buf_memcpy_from(s, 0, data, num_bytes);
-	comedi_buf_read_free(s, num_bytes);
-	cfc_inc_scan_progress(s, num_bytes);
-	s->async->events |= COMEDI_CB_BLOCK;
-
-	return num_bytes;
-}
-EXPORT_SYMBOL_GPL(cfc_read_array_from_buffer);
-
-unsigned int cfc_handle_events(struct comedi_device *dev,
-			       struct comedi_subdevice *s)
-{
-	unsigned int events = s->async->events;
-
-	if (events == 0)
-		return events;
-
-	if (events & (COMEDI_CB_EOA | COMEDI_CB_ERROR | COMEDI_CB_OVERFLOW))
-		s->cancel(dev, s);
-
-	comedi_event(dev, s);
-
-	return events;
-}
-EXPORT_SYMBOL_GPL(cfc_handle_events);
-
-static int __init comedi_fc_init_module(void)
-{
-	return 0;
-}
-module_init(comedi_fc_init_module);
-
-static void __exit comedi_fc_cleanup_module(void)
-{
-}
-module_exit(comedi_fc_cleanup_module);
-
-MODULE_AUTHOR("Frank Mori Hess <fmhess@users.sourceforge.net>");
-MODULE_DESCRIPTION("Shared functions for Comedi low-level drivers");
-MODULE_LICENSE("GPL");