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-rw-r--r--drivers/staging/comedi/drivers/comedi_fc.h102
1 files changed, 0 insertions, 102 deletions
diff --git a/drivers/staging/comedi/drivers/comedi_fc.h b/drivers/staging/comedi/drivers/comedi_fc.h
deleted file mode 100644
index 756be931c1a4..000000000000
--- a/drivers/staging/comedi/drivers/comedi_fc.h
+++ /dev/null
@@ -1,102 +0,0 @@
-/*
- * comedi_fc.h
- * This is a place for code driver writers wish to share between
- * two or more drivers. These functions are meant to be used only
- * by drivers, they are NOT part of the kcomedilib API!
- *
- * 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.
- */
-
-#ifndef _COMEDI_FC_H
-#define _COMEDI_FC_H
-
-#include "../comedidev.h"
-
-/**
- * cfc_check_trigger_src() - trivially validate a comedi_cmd trigger source
- * @src: pointer to the trigger source to validate
- * @flags: bitmask of valid TRIG_* for the trigger
- *
- * This is used in "step 1" of the do_cmdtest functions of comedi drivers
- * to vaildate the comedi_cmd triggers. The mask of the @src against the
- * @flags allows the userspace comedilib to pass all the comedi_cmd
- * triggers as TRIG_ANY and get back a bitmask of the valid trigger sources.
- */
-static inline int cfc_check_trigger_src(unsigned int *src, unsigned int flags)
-{
- unsigned int orig_src = *src;
-
- *src = orig_src & flags;
- if (*src == TRIG_INVALID || *src != orig_src)
- return -EINVAL;
- return 0;
-}
-
-/**
- * cfc_check_trigger_is_unique() - make sure a trigger source is unique
- * @src: the trigger source to check
- */
-static inline int cfc_check_trigger_is_unique(unsigned int src)
-{
- /* this test is true if more than one _src bit is set */
- if ((src & (src - 1)) != 0)
- return -EINVAL;
- return 0;
-}
-
-/**
- * cfc_check_trigger_arg_is() - trivially validate a trigger argument
- * @arg: pointer to the trigger arg to validate
- * @val: the value the argument should be
- */
-static inline int cfc_check_trigger_arg_is(unsigned int *arg, unsigned int val)
-{
- if (*arg != val) {
- *arg = val;
- return -EINVAL;
- }
- return 0;
-}
-
-/**
- * cfc_check_trigger_arg_min() - trivially validate a trigger argument
- * @arg: pointer to the trigger arg to validate
- * @val: the minimum value the argument should be
- */
-static inline int cfc_check_trigger_arg_min(unsigned int *arg,
- unsigned int val)
-{
- if (*arg < val) {
- *arg = val;
- return -EINVAL;
- }
- return 0;
-}
-
-/**
- * cfc_check_trigger_arg_max() - trivially validate a trigger argument
- * @arg: pointer to the trigger arg to validate
- * @val: the maximum value the argument should be
- */
-static inline int cfc_check_trigger_arg_max(unsigned int *arg,
- unsigned int val)
-{
- if (*arg > val) {
- *arg = val;
- return -EINVAL;
- }
- return 0;
-}
-
-#endif /* _COMEDI_FC_H */