mirror of https://gitee.com/openkylin/linux.git
55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
/*
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* drivers/sh/superhyway/superhyway-sysfs.c
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*
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* SuperHyway Bus sysfs interface
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*
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* Copyright (C) 2004, 2005 Paul Mundt <lethal@linux-sh.org>
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*/
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#include <linux/kernel.h>
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#include <linux/device.h>
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#include <linux/types.h>
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#include <linux/superhyway.h>
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#define superhyway_ro_attr(name, fmt, field) \
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static ssize_t name##_show(struct device *dev, struct device_attribute *attr, char *buf) \
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{ \
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struct superhyway_device *s = to_superhyway_device(dev); \
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return sprintf(buf, fmt, s->field); \
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} \
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static DEVICE_ATTR_RO(name);
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/* VCR flags */
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superhyway_ro_attr(perr_flags, "0x%02x\n", vcr.perr_flags);
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superhyway_ro_attr(merr_flags, "0x%02x\n", vcr.merr_flags);
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superhyway_ro_attr(mod_vers, "0x%04x\n", vcr.mod_vers);
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superhyway_ro_attr(mod_id, "0x%04x\n", vcr.mod_id);
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superhyway_ro_attr(bot_mb, "0x%02x\n", vcr.bot_mb);
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superhyway_ro_attr(top_mb, "0x%02x\n", vcr.top_mb);
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/* Misc */
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superhyway_ro_attr(resource, "0x%08lx\n", resource[0].start);
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static struct attribute *superhyway_dev_attrs[] = {
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&dev_attr_perr_flags.attr,
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&dev_attr_merr_flags.attr,
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&dev_attr_mod_vers.attr,
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&dev_attr_mod_id.attr,
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&dev_attr_bot_mb.attr,
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&dev_attr_top_mb.attr,
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&dev_attr_resource.attr,
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NULL,
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};
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static const struct attribute_group superhyway_dev_group = {
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.attrs = superhyway_dev_attrs,
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};
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const struct attribute_group *superhyway_dev_groups[] = {
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&superhyway_dev_group,
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NULL,
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};
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