blob: 6999ce59fd1091ddd8e9b46f2ced859275deab1c [file] [log] [blame]
Jeff Mahoneyb5bf5b62005-07-06 15:26:27 -04001#include <linux/kernel.h>
2#include <linux/stat.h>
3#include <asm/macio.h>
4
5
6#define macio_config_of_attr(field, format_string) \
7static ssize_t \
8field##_show (struct device *dev, struct device_attribute *attr, \
9 char *buf) \
10{ \
11 struct macio_dev *mdev = to_macio_device (dev); \
Grant Likely61c7a082010-04-13 16:12:29 -070012 return sprintf (buf, format_string, mdev->ofdev.dev.of_node->field); \
Jeff Mahoneyb5bf5b62005-07-06 15:26:27 -040013}
14
15static ssize_t
16compatible_show (struct device *dev, struct device_attribute *attr, char *buf)
17{
18 struct of_device *of;
Jeremy Kerr018a3d12006-07-12 15:40:29 +100019 const char *compat;
Jeff Mahoneyb5bf5b62005-07-06 15:26:27 -040020 int cplen;
21 int length = 0;
22
23 of = &to_macio_device (dev)->ofdev;
Grant Likely61c7a082010-04-13 16:12:29 -070024 compat = of_get_property(of->dev.of_node, "compatible", &cplen);
Jeff Mahoneyb5bf5b62005-07-06 15:26:27 -040025 if (!compat) {
26 *buf = '\0';
27 return 0;
28 }
29 while (cplen > 0) {
30 int l;
31 length += sprintf (buf, "%s\n", compat);
32 buf += length;
33 l = strlen (compat) + 1;
34 compat += l;
35 cplen -= l;
36 }
37
38 return length;
39}
40
scwhab@suse.dedcb34ab2005-10-28 17:46:20 -070041static ssize_t modalias_show (struct device *dev, struct device_attribute *attr,
42 char *buf)
43{
Sylvain Munaut29aa0282007-05-07 01:38:47 +100044 struct of_device *ofdev = to_of_device(dev);
45 int len;
scwhab@suse.dedcb34ab2005-10-28 17:46:20 -070046
Olaf Hering140b9322008-04-24 23:16:00 +100047 len = of_device_get_modalias(ofdev, buf, PAGE_SIZE - 2);
scwhab@suse.dedcb34ab2005-10-28 17:46:20 -070048
Sylvain Munaut29aa0282007-05-07 01:38:47 +100049 buf[len] = '\n';
50 buf[len+1] = 0;
51
52 return len+1;
scwhab@suse.dedcb34ab2005-10-28 17:46:20 -070053}
54
Olaf Hering140b9322008-04-24 23:16:00 +100055static ssize_t devspec_show(struct device *dev,
56 struct device_attribute *attr, char *buf)
57{
58 struct of_device *ofdev;
59
60 ofdev = to_of_device(dev);
Grant Likely61c7a082010-04-13 16:12:29 -070061 return sprintf(buf, "%s\n", ofdev->dev.of_node->full_name);
Olaf Hering140b9322008-04-24 23:16:00 +100062}
63
Jeff Mahoneyb5bf5b62005-07-06 15:26:27 -040064macio_config_of_attr (name, "%s\n");
65macio_config_of_attr (type, "%s\n");
66
67struct device_attribute macio_dev_attrs[] = {
68 __ATTR_RO(name),
69 __ATTR_RO(type),
70 __ATTR_RO(compatible),
scwhab@suse.dedcb34ab2005-10-28 17:46:20 -070071 __ATTR_RO(modalias),
Olaf Hering140b9322008-04-24 23:16:00 +100072 __ATTR_RO(devspec),
Jeff Mahoneyb5bf5b62005-07-06 15:26:27 -040073 __ATTR_NULL
74};