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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)				\
18 static ssize_t name##_show(struct device *dev, struct device_attribute *attr, char *buf)		\
19 {									\
20 	struct superhyway_device *s = to_superhyway_device(dev);	\
21 	return sprintf(buf, fmt, s->field);				\
22 }
23 
24 /* VCR flags */
25 superhyway_ro_attr(perr_flags, "0x%02x\n", vcr.perr_flags);
26 superhyway_ro_attr(merr_flags, "0x%02x\n", vcr.merr_flags);
27 superhyway_ro_attr(mod_vers, "0x%04x\n", vcr.mod_vers);
28 superhyway_ro_attr(mod_id, "0x%04x\n", vcr.mod_id);
29 superhyway_ro_attr(bot_mb, "0x%02x\n", vcr.bot_mb);
30 superhyway_ro_attr(top_mb, "0x%02x\n", vcr.top_mb);
31 
32 /* Misc */
33 superhyway_ro_attr(resource, "0x%08lx\n", resource[0].start);
34 
35 struct 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 
46