From 719782f5e0a2d5ab80673f5b4f5a7b4ed2a6b93a Mon Sep 17 00:00:00 2001
From: David Schleef <ds@schleef.org>
Date: Wed, 9 Feb 2000 23:55:47 +0000
Subject: [PATCH] RTL fixes, export functions for kcomedilib

---
 comedi/Makefile       |  4 ++++
 comedi/comedi_ksyms.c |  5 +++++
 comedi/rtl.c          | 46 +++++++++++++++++++------------------------
 3 files changed, 29 insertions(+), 26 deletions(-)

diff --git a/comedi/Makefile b/comedi/Makefile
index bbc0046d..3e0ae4c2 100644
--- a/comedi/Makefile
+++ b/comedi/Makefile
@@ -17,6 +17,10 @@ MI_OBJS := comedi_fops.o dummy.o proc.o range.o drivers.o kvmem.o
 MIX_OBJS := comedi_ksyms.o
 
 
+ifeq ($(CONFIG_COMEDI_RT),y)
+MI_OBJS += rt.o
+endif
+
 ifeq ($(CONFIG_COMEDI_RTL),y)
 MI_OBJS += rtl.o
 endif
diff --git a/comedi/comedi_ksyms.c b/comedi/comedi_ksyms.c
index 751447ed..e9962ad9 100644
--- a/comedi/comedi_ksyms.c
+++ b/comedi/comedi_ksyms.c
@@ -66,6 +66,11 @@ EXPORT_SYMBOL(do_pack);
 EXPORT_SYMBOL(di_unpack);
 EXPORT_SYMBOL(comedi_eobuf);
 EXPORT_SYMBOL(comedi_eos);
+#ifdef CONFIG_COMEDI_RT
+EXPORT_SYMBOL(comedi_change_irq_flags);
+EXPORT_SYMBOL(comedi_free_irq);
+EXPORT_SYMBOL(comedi_request_irq);
+#endif
 
 /* for kcomedilib */
 EXPORT_SYMBOL(comedi_devices);
diff --git a/comedi/rtl.c b/comedi/rtl.c
index 98a0a357..554da70c 100644
--- a/comedi/rtl.c
+++ b/comedi/rtl.c
@@ -21,6 +21,7 @@
 
 
 
+#if 0
 /* rt_printk() section */
 
 #define BUF_LEN	(16384)
@@ -76,23 +77,6 @@ int rt_printk(const char *fmt, ...)
 	return len;
 }
 
-
-void rt_printk_interrupt(int irq,void *junk,struct pt_regs *regs)
-{
-	int tmp;
-
-	for(;;){
-		tmp=buf_front;
-		if(buf_back>tmp){
-			printk("%.*s",BUF_LEN-buf_back,rt_printk_buf+buf_back);
-			buf_back=0;
-		}
-		if(buf_back==tmp)break;
-		printk("%.*s",tmp-buf_back,rt_printk_buf+buf_back);
-		buf_back=tmp;
-	}
-}
-
 void rt_printk_cleanup(void)
 {
 	free_irq(rt_printk_irq,NULL);
@@ -110,6 +94,23 @@ int rt_printk_init(void)
 	return 0;
 }
 
+void rt_printk_interrupt(int irq,void *junk,struct pt_regs *regs)
+{
+	int tmp;
+
+	for(;;){
+		tmp=buf_front;
+		if(buf_back>tmp){
+			printk("%.*s",BUF_LEN-buf_back,rt_printk_buf+buf_back);
+			buf_back=0;
+		}
+		if(buf_back==tmp)break;
+		printk("%.*s",tmp-buf_back,rt_printk_buf+buf_back);
+		buf_back=tmp;
+	}
+}
+#endif
+
 
 #if 0
 
@@ -184,13 +185,6 @@ struct rtl_file_operations comedi_rtl_fops={
 
 #endif
 
-static struct comedi_irq_struct rtl_irq_struct;
-
-struct comedi_irq_struct * get_irq_struct(unsigned int irq)
-{
-	return &rtl_irq_struct;
-}
-
 static unsigned int handle_rtl_irq(unsigned int irq,struct pt_regs *regs)
 {
 	struct comedi_irq_struct *it;
@@ -219,13 +213,13 @@ int free_priority_irq(struct comedi_irq_struct *it)
 
 void comedi_rtl_init(void)
 {
-	rt_printk_init();
+	//rt_printk_init();
 	//rtl_register_chardev(COMEDI_MAJOR,"comedi",&comedi_rtl_fops);
 }
 
 void comedi_rtl_cleanup(void)
 {
-	rt_printk_cleanup();
+	//rt_printk_cleanup();
 	//rtl_unregister_chardev(COMEDI_MAJOR);
 }
 
-- 
2.26.2