From 3782b5911c5a3ba09a2b1c452d09b0073751f1cd Mon Sep 17 00:00:00 2001
From: David Schleef <ds@schleef.org>
Date: Thu, 2 May 2002 23:10:41 +0000
Subject: [PATCH] Improved compatibility for 2.2.14.  May break other 2.2.x
 kernels.

---
 include/linux/devfs_fs_kernel.h |  7 +++++--
 include/linux/module.h          | 13 +++++++++++++
 include/linux/pci.h             |  3 +++
 3 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/include/linux/devfs_fs_kernel.h b/include/linux/devfs_fs_kernel.h
index 851191a5..9751b6af 100644
--- a/include/linux/devfs_fs_kernel.h
+++ b/include/linux/devfs_fs_kernel.h
@@ -9,6 +9,9 @@
 
 #if LINUX_VERSION_CODE < 0x020400
 
+#define DEVFS_FL_DEFAULT 0
+#define DEVFS_SPECIAL_CHR 0
+
 typedef struct devfs_entry * devfs_handle_t;
 
 static inline int devfs_register_chrdev (unsigned int major, const char *name,
@@ -40,9 +43,9 @@ static inline devfs_handle_t devfs_get_handle (devfs_handle_t dir,
 	    return NULL;
 }
 
-#endif
-
+#else
 #include_next <linux/devfs_fs_kernel.h>
+#endif
 
 #endif
 
diff --git a/include/linux/module.h b/include/linux/module.h
index 1c7010e3..5f40d754 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -37,6 +37,19 @@
 #endif
 #endif
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,2,18)		/* ? */
+  typedef int (*__init_module_func_t)(void);
+  typedef void (*__cleanup_module_func_t)(void);
+  #define module_init(x) \
+	int init_module(void) __attribute__((alias(#x))); \
+	static inline __init_module_func_t __init_module_inline(void) \
+	{ return x; }
+  #define module_exit(x) \
+	void cleanup_module(void) __attribute__((alias(#x))); \
+	static inline __cleanup_module_func_t __cleanup_module_inline(void) \
+	{ return x; }
+#endif
+
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)
 #define MODULE_DEVICE_TABLE(a,b)
 #endif
diff --git a/include/linux/pci.h b/include/linux/pci.h
index fb311d65..b3943d34 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -16,6 +16,9 @@
 #define PCI_SUPPORT_VER2
 
 #if LINUX_VERSION_CODE < 0x020300 /* XXX */
+#include <linux/types.h>
+
+typedef u64 dma_addr_t;
 
 #define pci_for_each_dev(x)	\
 	for((x)=pci_devices;(x);(x)=(x)->next)
-- 
2.26.2