1 // SPDX-License-Identifier: GPL-2.0
2 #include <linux/kernel.h>
3 #include <linux/stat.h>
7 #define macio_config_of_attr(field, format_string) \
9 field##_show (struct device *dev, struct device_attribute *attr, \
12 struct macio_dev *mdev = to_macio_device (dev); \
13 return sprintf (buf, format_string, mdev->ofdev.dev.of_node->field); \
15 static DEVICE_ATTR_RO(field);
18 compatible_show (struct device *dev, struct device_attribute *attr, char *buf)
20 struct platform_device *of;
25 of = &to_macio_device (dev)->ofdev;
26 compat = of_get_property(of->dev.of_node, "compatible", &cplen);
33 length += sprintf (buf, "%s\n", compat);
35 l = strlen (compat) + 1;
42 static DEVICE_ATTR_RO(compatible);
44 static ssize_t modalias_show (struct device *dev, struct device_attribute *attr,
47 return of_device_modalias(dev, buf, PAGE_SIZE);
50 static ssize_t devspec_show(struct device *dev,
51 struct device_attribute *attr, char *buf)
53 struct platform_device *ofdev;
55 ofdev = to_platform_device(dev);
56 return sprintf(buf, "%pOF\n", ofdev->dev.of_node);
58 static DEVICE_ATTR_RO(modalias);
59 static DEVICE_ATTR_RO(devspec);
61 macio_config_of_attr (name, "%s\n");
62 macio_config_of_attr (type, "%s\n");
64 static struct attribute *macio_dev_attrs[] = {
67 &dev_attr_compatible.attr,
68 &dev_attr_modalias.attr,
69 &dev_attr_devspec.attr,
73 static const struct attribute_group macio_dev_group = {
74 .attrs = macio_dev_attrs,
77 const struct attribute_group *macio_dev_groups[] = {