blob: 7f7d4eaca870ac3650d4b0523355bd7bf7e22117 [file] [log] [blame]
Jeff Mahoneyb5bf5b62005-07-06 15:26:27 -04001#include <linux/config.h>
2#include <linux/kernel.h>
3#include <linux/stat.h>
4#include <asm/macio.h>
5
6
7#define macio_config_of_attr(field, format_string) \
8static ssize_t \
9field##_show (struct device *dev, struct device_attribute *attr, \
10 char *buf) \
11{ \
12 struct macio_dev *mdev = to_macio_device (dev); \
13 return sprintf (buf, format_string, mdev->ofdev.node->field); \
14}
15
16static ssize_t
17compatible_show (struct device *dev, struct device_attribute *attr, char *buf)
18{
19 struct of_device *of;
20 char *compat;
21 int cplen;
22 int length = 0;
23
24 of = &to_macio_device (dev)->ofdev;
25 compat = (char *) get_property(of->node, "compatible", &cplen);
26 if (!compat) {
27 *buf = '\0';
28 return 0;
29 }
30 while (cplen > 0) {
31 int l;
32 length += sprintf (buf, "%s\n", compat);
33 buf += length;
34 l = strlen (compat) + 1;
35 compat += l;
36 cplen -= l;
37 }
38
39 return length;
40}
41
scwhab@suse.dedcb34ab2005-10-28 17:46:20 -070042static ssize_t modalias_show (struct device *dev, struct device_attribute *attr,
43 char *buf)
44{
45 struct of_device *of;
46 char *compat;
47 int cplen;
48 int length;
49
50 of = &to_macio_device (dev)->ofdev;
51 compat = (char *) get_property (of->node, "compatible", &cplen);
52 if (!compat) compat = "", cplen = 1;
53 length = sprintf (buf, "of:N%sT%s", of->node->name, of->node->type);
54 buf += length;
55 while (cplen > 0) {
56 int l;
57 length += sprintf (buf, "C%s", compat);
58 buf += length;
59 l = strlen (compat) + 1;
60 compat += l;
61 cplen -= l;
62 }
63
64 return length;
65}
66
Jeff Mahoneyb5bf5b62005-07-06 15:26:27 -040067macio_config_of_attr (name, "%s\n");
68macio_config_of_attr (type, "%s\n");
69
70struct device_attribute macio_dev_attrs[] = {
71 __ATTR_RO(name),
72 __ATTR_RO(type),
73 __ATTR_RO(compatible),
scwhab@suse.dedcb34ab2005-10-28 17:46:20 -070074 __ATTR_RO(modalias),
Jeff Mahoneyb5bf5b62005-07-06 15:26:27 -040075 __ATTR_NULL
76};