Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
[linux-2.6-microblaze.git] / drivers / macintosh / macio_sysfs.c
1 // SPDX-License-Identifier: GPL-2.0
2 #include <linux/kernel.h>
3 #include <linux/stat.h>
4 #include <asm/macio.h>
5
6 static ssize_t
7 compatible_show (struct device *dev, struct device_attribute *attr, char *buf)
8 {
9         struct platform_device *of;
10         const char *compat;
11         int cplen;
12         int length = 0;
13
14         of = &to_macio_device (dev)->ofdev;
15         compat = of_get_property(of->dev.of_node, "compatible", &cplen);
16         if (!compat) {
17                 *buf = '\0';
18                 return 0;
19         }
20         while (cplen > 0) {
21                 int l;
22                 length += sprintf (buf, "%s\n", compat);
23                 buf += length;
24                 l = strlen (compat) + 1;
25                 compat += l;
26                 cplen -= l;
27         }
28
29         return length;
30 }
31 static DEVICE_ATTR_RO(compatible);
32
33 static ssize_t modalias_show (struct device *dev, struct device_attribute *attr,
34                               char *buf)
35 {
36         return of_device_modalias(dev, buf, PAGE_SIZE);
37 }
38
39 static ssize_t devspec_show(struct device *dev,
40                                 struct device_attribute *attr, char *buf)
41 {
42         struct platform_device *ofdev;
43
44         ofdev = to_platform_device(dev);
45         return sprintf(buf, "%pOF\n", ofdev->dev.of_node);
46 }
47 static DEVICE_ATTR_RO(modalias);
48 static DEVICE_ATTR_RO(devspec);
49
50 static ssize_t name_show(struct device *dev,
51                          struct device_attribute *attr, char *buf)
52 {
53         return sprintf(buf, "%pOFn\n", dev->of_node);
54 }
55 static DEVICE_ATTR_RO(name);
56
57 static ssize_t type_show(struct device *dev,
58                          struct device_attribute *attr, char *buf)
59 {
60         return sprintf(buf, "%s\n", of_node_get_device_type(dev->of_node));
61 }
62 static DEVICE_ATTR_RO(type);
63
64 static struct attribute *macio_dev_attrs[] = {
65         &dev_attr_name.attr,
66         &dev_attr_type.attr,
67         &dev_attr_compatible.attr,
68         &dev_attr_modalias.attr,
69         &dev_attr_devspec.attr,
70         NULL,
71 };
72
73 static const struct attribute_group macio_dev_group = {
74         .attrs = macio_dev_attrs,
75 };
76
77 const struct attribute_group *macio_dev_groups[] = {
78         &macio_dev_group,
79         NULL,
80 };