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Staging: comedi: Work around malformed RTAI_VERSION_CODE.

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Signed-off-by: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Ian Abbott 2009-04-14 11:01:50 -04:00 committed by Greg Kroah-Hartman
parent 894db11973
commit 5b32f4397a
1 changed files with 21 additions and 0 deletions
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21
drivers/staging/comedi/drivers/comedi_rt_timer.c
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@ -108,6 +108,21 @@ static inline RTIME nano2count(long long ns)
#ifdef CONFIG_COMEDI_RTAI
#include <rtai.h>
#include <rtai_sched.h>
#include <rtai_version.h>
/* RTAI_VERSION_CODE doesn't work for rtai-3.6-cv and other strange versions.
* These are characterized by CONFIG_RTAI_REVISION_LEVEL being defined as an
* empty macro and CONFIG_RTAI_VERSION_MINOR being defined as something like
* '6-cv' or '7-test1'. The problem has been noted by the RTAI folks and they
* promise not to do it again. :-) Try and work around it here. */
#if !(CONFIG_RTAI_REVISION_LEVEL + 0)
#undef CONFIG_RTAI_REVISION_LEVEL
#define CONFIG_RTAI_REVISION_LEVEL 0
#define cv 0
#define test1 0
#define test2 0
#define test3 0
#endif
#if RTAI_VERSION_CODE < RTAI_MANGLE_VERSION(3,3,0)
#define comedi_rt_task_context_t int
@ -115,6 +130,12 @@ static inline RTIME nano2count(long long ns)
#define comedi_rt_task_context_t long
#endif
/* Finished checking RTAI_VERSION_CODE. */
#undef cv
#undef test1
#undef test2
#undef test3
#endif
/* This defines the fastest speed we will emulate. Note that