lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Input: rework psmouse attributes to reduce module size

Browse Source 
Rearrange attribute code to use generic show and set handlers
instead of replicating them for every attribute; switch to
using attribute_group instead of creating all attributes
manually. All this saves about 4K.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Dmitry Torokhov
2005-09-04 01:40:20 -05:00
parent 15c42e5a1f
commit cfe9e88866
4 changed files with 198 additions and 161 deletions
Download Patch File Download Diff File Expand all files Collapse all files

49
drivers/input/mouse/psmouse.h
View File

@ -86,24 +86,37 @@ int psmouse_sliced_command(struct psmouse *psmouse, unsigned char command);
int psmouse_reset(struct psmouse *psmouse);
void psmouse_set_resolution(struct psmouse *psmouse, unsigned int resolution);
ssize_t psmouse_attr_show_helper(struct device *dev, char *buf,
ssize_t (*handler)(struct psmouse *, char *));
ssize_t psmouse_attr_set_helper(struct device *dev, const char *buf, size_t count,
ssize_t (*handler)(struct psmouse *, const char *, size_t));
#define PSMOUSE_DEFINE_ATTR(_name) \
static ssize_t psmouse_attr_show_##_name(struct psmouse *, char *); \
static ssize_t psmouse_attr_set_##_name(struct psmouse *, const char *, size_t);\
static ssize_t psmouse_do_show_##_name(struct device *d, struct device_attribute *attr, char *b) \
{ \
return psmouse_attr_show_helper(d, b, psmouse_attr_show_##_name); \
} \
static ssize_t psmouse_do_set_##_name(struct device *d, struct device_attribute *attr, const char *b, size_t s)\
{ \
return psmouse_attr_set_helper(d, b, s, psmouse_attr_set_##_name); \
} \
static struct device_attribute psmouse_attr_##_name = \
__ATTR(_name, S_IWUSR | S_IRUGO, \
psmouse_do_show_##_name, psmouse_do_set_##_name);
struct psmouse_attribute {
struct device_attribute dattr;
void *data;
ssize_t (*show)(struct psmouse *psmouse, void *data, char *buf);
ssize_t (*set)(struct psmouse *psmouse, void *data,
const char *buf, size_t count);
};
#define to_psmouse_attr(a) container_of((a), struct psmouse_attribute, dattr)
ssize_t psmouse_attr_show_helper(struct device *dev, struct device_attribute *attr,
char *buf);
ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count);
#define PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set) \
static ssize_t _show(struct psmouse *, void *data, char *); \
static ssize_t _set(struct psmouse *, void *data, const char *, size_t); \
static struct psmouse_attribute psmouse_attr_##_name = { \
.dattr = { \
.attr = { \
.name = __stringify(_name), \
.mode = _mode, \
.owner = THIS_MODULE, \
}, \
.show = psmouse_attr_show_helper, \
.store = psmouse_attr_set_helper, \
}, \
.data = _data, \
.show = _show, \
.set = _set, \
}
#endif /* _PSMOUSE_H */