i2c: Change prototypes of refcounting functions
[linux-2.6] / include / asm-s390 / s390_ext.h
1 #ifndef _S390_EXTINT_H
2 #define _S390_EXTINT_H
3
4 /*
5  *  include/asm-s390/s390_ext.h
6  *
7  *  S390 version
8  *    Copyright IBM Corp. 1999,2007
9  *    Author(s): Holger Smolinski (Holger.Smolinski@de.ibm.com),
10  *               Martin Schwidefsky (schwidefsky@de.ibm.com)
11  */
12
13 #include <linux/types.h>
14
15 typedef void (*ext_int_handler_t)(__u16 code);
16
17 typedef struct ext_int_info_t {
18         struct ext_int_info_t *next;
19         ext_int_handler_t handler;
20         __u16 code;
21 } ext_int_info_t;
22
23 extern ext_int_info_t *ext_int_hash[];
24
25 int register_external_interrupt(__u16 code, ext_int_handler_t handler);
26 int register_early_external_interrupt(__u16 code, ext_int_handler_t handler,
27                                       ext_int_info_t *info);
28 int unregister_external_interrupt(__u16 code, ext_int_handler_t handler);
29 int unregister_early_external_interrupt(__u16 code, ext_int_handler_t handler,
30                                         ext_int_info_t *info);
31
32 #endif