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| author | Anton Vorontsov <cbouatmailru@gmail.com> | 2008-07-30 02:05:23 +0400 |
|---|---|---|
| committer | Anton Vorontsov <cbouatmailru@gmail.com> | 2008-07-30 02:05:23 +0400 |
| commit | 9fec6060d9e48ed7db0dac0e16d0f0f0e615b7f6 (patch) | |
| tree | 74b41f31a08f6500ff3dfcf64ba21e2d9a8e87e5 /include/linux/sysdev.h | |
| parent | fece418418f51e92dd7e67e17c5e3fe5a28d3279 (diff) | |
| parent | 6e86841d05f371b5b9b86ce76c02aaee83352298 (diff) | |
| download | linux-9fec6060d9e48ed7db0dac0e16d0f0f0e615b7f6.tar.xz | |
Merge branch 'master' of /home/cbou/linux-2.6
Conflicts:
drivers/power/Kconfig
drivers/power/Makefile
Diffstat (limited to 'include/linux/sysdev.h')
| -rw-r--r-- | include/linux/sysdev.h | 39 |
1 files changed, 37 insertions, 2 deletions
diff --git a/include/linux/sysdev.h b/include/linux/sysdev.h index f2767bc6b735..f395bb3fa2f2 100644 --- a/include/linux/sysdev.h +++ b/include/linux/sysdev.h @@ -99,8 +99,9 @@ extern void sysdev_unregister(struct sys_device *); struct sysdev_attribute { struct attribute attr; - ssize_t (*show)(struct sys_device *, char *); - ssize_t (*store)(struct sys_device *, const char *, size_t); + ssize_t (*show)(struct sys_device *, struct sysdev_attribute *, char *); + ssize_t (*store)(struct sys_device *, struct sysdev_attribute *, + const char *, size_t); }; @@ -118,4 +119,38 @@ struct sysdev_attribute { extern int sysdev_create_file(struct sys_device *, struct sysdev_attribute *); extern void sysdev_remove_file(struct sys_device *, struct sysdev_attribute *); +struct sysdev_ext_attribute { + struct sysdev_attribute attr; + void *var; +}; + +/* + * Support for simple variable sysdev attributes. + * The pointer to the variable is stored in a sysdev_ext_attribute + */ + +/* Add more types as needed */ + +extern ssize_t sysdev_show_ulong(struct sys_device *, struct sysdev_attribute *, + char *); +extern ssize_t sysdev_store_ulong(struct sys_device *, + struct sysdev_attribute *, const char *, size_t); +extern ssize_t sysdev_show_int(struct sys_device *, struct sysdev_attribute *, + char *); +extern ssize_t sysdev_store_int(struct sys_device *, + struct sysdev_attribute *, const char *, size_t); + +#define _SYSDEV_ULONG_ATTR(_name, _mode, _var) \ + { _SYSDEV_ATTR(_name, _mode, sysdev_show_ulong, sysdev_store_ulong), \ + &(_var) } +#define SYSDEV_ULONG_ATTR(_name, _mode, _var) \ + struct sysdev_ext_attribute attr_##_name = \ + _SYSDEV_ULONG_ATTR(_name, _mode, _var); +#define _SYSDEV_INT_ATTR(_name, _mode, _var) \ + { _SYSDEV_ATTR(_name, _mode, sysdev_show_int, sysdev_store_int), \ + &(_var) } +#define SYSDEV_INT_ATTR(_name, _mode, _var) \ + struct sysdev_ext_attribute attr_##_name = \ + _SYSDEV_INT_ATTR(_name, _mode, _var); + #endif /* _SYSDEV_H_ */ |