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[mirror_ubuntu-zesty-kernel.git] / drivers / sh / superhyway / superhyway-sysfs.c
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1/*
2 * drivers/sh/superhyway/superhyway-sysfs.c
3 *
4 * SuperHyway Bus sysfs interface
5 *
6 * Copyright (C) 2004, 2005 Paul Mundt <lethal@linux-sh.org>
7 *
8 * This file is subject to the terms and conditions of the GNU General Public
9 * License. See the file "COPYING" in the main directory of this archive
10 * for more details.
11 */
12#include <linux/kernel.h>
13#include <linux/device.h>
14#include <linux/types.h>
15#include <linux/superhyway.h>
16
17#define superhyway_ro_attr(name, fmt, field) \
10523b3b 18static ssize_t name##_show(struct device *dev, struct device_attribute *attr, char *buf) \
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19{ \
20 struct superhyway_device *s = to_superhyway_device(dev); \
21 return sprintf(buf, fmt, s->field); \
22}
23
24/* VCR flags */
25superhyway_ro_attr(perr_flags, "0x%02x\n", vcr.perr_flags);
26superhyway_ro_attr(merr_flags, "0x%02x\n", vcr.merr_flags);
27superhyway_ro_attr(mod_vers, "0x%04x\n", vcr.mod_vers);
28superhyway_ro_attr(mod_id, "0x%04x\n", vcr.mod_id);
29superhyway_ro_attr(bot_mb, "0x%02x\n", vcr.bot_mb);
30superhyway_ro_attr(top_mb, "0x%02x\n", vcr.top_mb);
31
32/* Misc */
33superhyway_ro_attr(resource, "0x%08lx\n", resource.start);
34
35struct device_attribute superhyway_dev_attrs[] = {
36 __ATTR_RO(perr_flags),
37 __ATTR_RO(merr_flags),
38 __ATTR_RO(mod_vers),
39 __ATTR_RO(mod_id),
40 __ATTR_RO(bot_mb),
41 __ATTR_RO(top_mb),
42 __ATTR_RO(resource),
43 __ATTR_NULL,
44};
45