From aeeb97cc3ec476117f773a8b8bb8700719b3abf2 Mon Sep 17 00:00:00 2001
From: Frank Mori Hess <fmhess@speakeasy.net>
Date: Mon, 3 Dec 2001 22:07:13 +0000
Subject: [PATCH] removed duplicate copies of rt_pend_tq stuff

---
 comedi/rt_pend_tq/Makefile     | 15 ------
 comedi/rt_pend_tq/rt_pend_tq.c | 98 ----------------------------------
 comedi/rt_pend_tq/rt_pend_tq.h |  9 ----
 3 files changed, 122 deletions(-)
 delete mode 100644 comedi/rt_pend_tq/Makefile
 delete mode 100644 comedi/rt_pend_tq/rt_pend_tq.c
 delete mode 100644 comedi/rt_pend_tq/rt_pend_tq.h

diff --git a/comedi/rt_pend_tq/Makefile b/comedi/rt_pend_tq/Makefile
deleted file mode 100644
index 14a79494..00000000
--- a/comedi/rt_pend_tq/Makefile
+++ /dev/null
@@ -1,15 +0,0 @@
-
-ALL_SUB_DIRS :=
-MOD_SUB_DIRS :=
-SUB_DIRS     :=
-MOD_LIST_NAME := MISC_MODULES
-
-EXTRA_CFLAGS := -I ../
-
-ifeq ($(CONFIG_COMEDI_RT),y)
-MI_OBJS		+= rt_pend_tq.o
-endif
-
-
-include $(TOPDIR)/Rules.make
-
diff --git a/comedi/rt_pend_tq/rt_pend_tq.c b/comedi/rt_pend_tq/rt_pend_tq.c
deleted file mode 100644
index ff08ed76..00000000
--- a/comedi/rt_pend_tq/rt_pend_tq.c
+++ /dev/null
@@ -1,98 +0,0 @@
-/* rt_pend_tq.c */
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/sched.h>
-#include <linux/comedidev.h>	// for rt spinlocks
-#include "rt_pend_tq.h"
-#ifdef CONFIG_COMEDI_RTAI
-#include <rtai.h>
-#endif
-#ifdef CONFIG_COMEDI_RTL
-#include <rtl_core.h>
-#endif
-
-#ifdef standalone
-#include <linux/module.h>
-#define rt_pend_tq_init init_module
-#define rt_pend_tq_cleanup cleanup_module
-#endif
-
-volatile static struct rt_pend_tq rt_pend_tq[RT_PEND_TQ_SIZE];
-volatile static struct rt_pend_tq * volatile rt_pend_head= rt_pend_tq,
-	* volatile rt_pend_tail = rt_pend_tq;
-int rt_pend_tq_irq=0;
-spinlock_t rt_pend_tq_lock = SPIN_LOCK_UNLOCKED;
-
-// WARNING: following code not checked against race conditions yet.
-#define INC_CIRCULAR_PTR(ptr,begin,size) do {if(++(ptr)>=(begin)+(size)) (ptr)=(begin); } while(0)
-#define DEC_CIRCULAR_PTR(ptr,begin,size) do {if(--(ptr)<(begin)) (ptr)=(begin)+(size)-1; } while(0)
-
-int rt_pend_call(void (*func)(int arg1, void * arg2), int arg1, void * arg2)
-{
-	unsigned long flags;
-
-	if(func==NULL)
-		return -EINVAL;
-	if(rt_pend_tq_irq<=0)
-		return -ENODEV;
-	comedi_spin_lock_irqsave(&rt_pend_tq_lock, flags);
-	INC_CIRCULAR_PTR(rt_pend_head,rt_pend_tq,RT_PEND_TQ_SIZE);
-	if(rt_pend_head==rt_pend_tail) {
-		// overflow, we just refuse to take this request
-		DEC_CIRCULAR_PTR(rt_pend_head,rt_pend_tq,RT_PEND_TQ_SIZE);
-		comedi_spin_unlock_irqrestore(&rt_pend_tq_lock, flags);
-		return -EAGAIN;
-	}
-	rt_pend_head->func=func;
-	rt_pend_head->arg1=arg1;
-	rt_pend_head->arg2=arg2;
-	comedi_spin_unlock_irqrestore(&rt_pend_tq_lock, flags);
-#ifdef CONFIG_COMEDI_RTAI
-	rt_pend_linux_srq(rt_pend_tq_irq);
-#endif
-#ifdef CONFIG_COMEDI_RTL
-	rtl_global_pend_irq(rt_pend_tq_irq);
-#endif
-	return 0;
-}
-
-#ifdef CONFIG_COMEDI_RTAI
-void rt_pend_irq_handler(void)
-#endif
-#ifdef CONFIG_COMEDI_RTL
-void rt_pend_irq_handler(int irq, void *dev, struct pt_regs * regs)
-#endif
-{
-	while(rt_pend_head!=rt_pend_tail) {
-		INC_CIRCULAR_PTR(rt_pend_tail,rt_pend_tq,RT_PEND_TQ_SIZE);
-		rt_pend_tail->func(rt_pend_tail->arg1,rt_pend_tail->arg2);
-	}
-}
-
-int rt_pend_tq_init(void)
-{
-	rt_pend_head=rt_pend_tail=rt_pend_tq;
-#ifdef CONFIG_COMEDI_RTAI
-	rt_pend_tq_irq=rt_request_srq(0,rt_pend_irq_handler,NULL);
-#endif
-#ifdef CONFIG_COMEDI_RTL
-	rt_pend_tq_irq=rtl_get_soft_irq(rt_pend_irq_handler,"rt_pend_irq");
-#endif
-	if(rt_pend_tq_irq>0)
-		printk("rt_pend_tq: RT bottom half scheduler initialized OK\n");
-	else
-		printk("rt_pend_tq: rtl_get_soft_irq failed\n");
-	return 0;
-}
-
-void rt_pend_tq_cleanup(void)
-{
-	printk("rt_pend_tq: unloading\n");
-#ifdef CONFIG_COMEDI_RTAI
-	rt_free_srq(rt_pend_tq_irq);
-#endif
-#ifdef CONFIG_COMEDI_RTL
-	free_irq(rt_pend_tq_irq,NULL);
-#endif
-}
-
diff --git a/comedi/rt_pend_tq/rt_pend_tq.h b/comedi/rt_pend_tq/rt_pend_tq.h
deleted file mode 100644
index 5475a0cb..00000000
--- a/comedi/rt_pend_tq/rt_pend_tq.h
+++ /dev/null
@@ -1,9 +0,0 @@
-#define RT_PEND_TQ_SIZE 16
-struct rt_pend_tq {
-	void (*func)(int arg1, void * arg2);
-	int arg1;
-	void *arg2;
-} ;
-extern int rt_pend_call(void (*func)(int arg1, void * arg2), int arg1, void * arg2);
-extern int rt_pend_tq_init(void);
-extern void rt_pend_tq_cleanup(void);
-- 
2.26.2