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Merge tag 'pci-v4.12-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaa...
[karo-tx-linux.git] / drivers / macintosh / macio_sysfs.c
1 #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)                      \
7 static ssize_t                                                          \
8 field##_show (struct device *dev, struct device_attribute *attr,        \
9               char *buf)                                                \
10 {                                                                       \
11         struct macio_dev *mdev = to_macio_device (dev);                 \
12         return sprintf (buf, format_string, mdev->ofdev.dev.of_node->field); \
13 }
14
15 static ssize_t
16 compatible_show (struct device *dev, struct device_attribute *attr, char *buf)
17 {
18         struct platform_device *of;
19         const char *compat;
20         int cplen;
21         int length = 0;
22
23         of = &to_macio_device (dev)->ofdev;
24         compat = of_get_property(of->dev.of_node, "compatible", &cplen);
25         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
41 static ssize_t modalias_show (struct device *dev, struct device_attribute *attr,
42                               char *buf)
43 {
44         return of_device_modalias(dev, buf, PAGE_SIZE);
45 }
46
47 static ssize_t devspec_show(struct device *dev,
48                                 struct device_attribute *attr, char *buf)
49 {
50         struct platform_device *ofdev;
51
52         ofdev = to_platform_device(dev);
53         return sprintf(buf, "%s\n", ofdev->dev.of_node->full_name);
54 }
55
56 macio_config_of_attr (name, "%s\n");
57 macio_config_of_attr (type, "%s\n");
58
59 struct device_attribute macio_dev_attrs[] = {
60         __ATTR_RO(name),
61         __ATTR_RO(type),
62         __ATTR_RO(compatible),
63         __ATTR_RO(modalias),
64         __ATTR_RO(devspec),
65         __ATTR_NULL
66 };