From d2b3bb9bd2931086cee836e8bcd6857312fff6ec Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Tue, 23 Jul 2002 06:22:50 -0700
Subject: [PATCH] [PATCH] M68k update (part 25)

Update ISA space code on m68k (from 2.4.x)
 - Add support for multiple types of ISA busses in one kernel image (e.g. an
   image for both Q40 and Amiga with PCMCIA)
 - Allow port operations on m68k if CONFIG_ISA is defined
---
 arch/m68k/kernel/setup.c | 4 ++--
 drivers/char/mem.c       | 8 +++++---
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/arch/m68k/kernel/setup.c b/arch/m68k/kernel/setup.c
index 893d176dc924..9c2499ba21ed 100644
--- a/arch/m68k/kernel/setup.c
+++ b/arch/m68k/kernel/setup.c
@@ -109,7 +109,7 @@ int mach_sysrq_shift_mask = 0;
 char *mach_sysrq_xlate = NULL;
 #endif
 
-#if defined(CONFIG_ISA)
+#if defined(CONFIG_ISA) && defined(MULTI_ISA)
 int isa_type;
 int isa_sex;
 #endif
@@ -399,7 +399,7 @@ void __init setup_arch(char **cmdline_p)
 	paging_init();
 
 /* set ISA defs early as possible */
-#if defined(CONFIG_ISA)
+#if defined(CONFIG_ISA) && defined(MULTI_ISA)
 #if defined(CONFIG_Q40) 
 	if (MACH_IS_Q40) {
 	    isa_type = Q40_ISA;
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index d17c85160112..07af77b4ad12 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -324,7 +324,7 @@ static ssize_t write_kmem(struct file * file, const char * buf,
  	return virtr + wrote;
 }
 
-#if !defined(__mc68000__)
+#if defined(CONFIG_ISA) || !defined(__mc68000__)
 static ssize_t read_port(struct file * file, char * buf,
 			 size_t count, loff_t *ppos)
 {
@@ -557,7 +557,7 @@ static struct file_operations null_fops = {
 	write:		write_null,
 };
 
-#if !defined(__mc68000__)
+#if defined(CONFIG_ISA) || !defined(__mc68000__)
 static struct file_operations port_fops = {
 	llseek:		memory_lseek,
 	read:		read_port,
@@ -591,7 +591,7 @@ static int memory_open(struct inode * inode, struct file * filp)
 		case 3:
 			filp->f_op = &null_fops;
 			break;
-#if !defined(__mc68000__)
+#if defined(CONFIG_ISA) || !defined(__mc68000__)
 		case 4:
 			filp->f_op = &port_fops;
 			break;
@@ -628,7 +628,9 @@ void __init memory_devfs_register (void)
 	{1, "mem",     S_IRUSR | S_IWUSR | S_IRGRP, &mem_fops},
 	{2, "kmem",    S_IRUSR | S_IWUSR | S_IRGRP, &kmem_fops},
 	{3, "null",    S_IRUGO | S_IWUGO,           &null_fops},
+#if defined(CONFIG_ISA) || !defined(__mc68000__)
 	{4, "port",    S_IRUSR | S_IWUSR | S_IRGRP, &port_fops},
+#endif
 	{5, "zero",    S_IRUGO | S_IWUGO,           &zero_fops},
 	{7, "full",    S_IRUGO | S_IWUGO,           &full_fops},
 	{8, "random",  S_IRUGO | S_IWUSR,           &random_fops},
-- 
2.39.5