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80 lines
1.8 KiB
80 lines
1.8 KiB
// SPDX-License-Identifier: GPL-2.0 |
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#include <linux/kernel.h> |
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#include <linux/stat.h> |
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#include <asm/macio.h> |
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static ssize_t |
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compatible_show (struct device *dev, struct device_attribute *attr, char *buf) |
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{ |
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struct platform_device *of; |
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const char *compat; |
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int cplen; |
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int length = 0; |
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of = &to_macio_device (dev)->ofdev; |
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compat = of_get_property(of->dev.of_node, "compatible", &cplen); |
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if (!compat) { |
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*buf = '\0'; |
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return 0; |
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} |
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while (cplen > 0) { |
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int l; |
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length += sprintf (buf, "%s\n", compat); |
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buf += length; |
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l = strlen (compat) + 1; |
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compat += l; |
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cplen -= l; |
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} |
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return length; |
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} |
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static DEVICE_ATTR_RO(compatible); |
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static ssize_t modalias_show (struct device *dev, struct device_attribute *attr, |
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char *buf) |
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{ |
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return of_device_modalias(dev, buf, PAGE_SIZE); |
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} |
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static ssize_t devspec_show(struct device *dev, |
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struct device_attribute *attr, char *buf) |
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{ |
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struct platform_device *ofdev; |
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ofdev = to_platform_device(dev); |
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return sprintf(buf, "%pOF\n", ofdev->dev.of_node); |
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} |
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static DEVICE_ATTR_RO(modalias); |
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static DEVICE_ATTR_RO(devspec); |
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static ssize_t name_show(struct device *dev, |
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struct device_attribute *attr, char *buf) |
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{ |
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return sprintf(buf, "%pOFn\n", dev->of_node); |
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} |
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static DEVICE_ATTR_RO(name); |
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static ssize_t type_show(struct device *dev, |
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struct device_attribute *attr, char *buf) |
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{ |
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return sprintf(buf, "%s\n", of_node_get_device_type(dev->of_node)); |
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} |
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static DEVICE_ATTR_RO(type); |
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static struct attribute *macio_dev_attrs[] = { |
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&dev_attr_name.attr, |
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&dev_attr_type.attr, |
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&dev_attr_compatible.attr, |
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&dev_attr_modalias.attr, |
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&dev_attr_devspec.attr, |
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NULL, |
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}; |
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static const struct attribute_group macio_dev_group = { |
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.attrs = macio_dev_attrs, |
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}; |
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const struct attribute_group *macio_dev_groups[] = { |
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&macio_dev_group, |
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NULL, |
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};
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