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drivers/dio/dio-sysfs.c
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81f7e3824 Initial Release, ... |
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/* * File Attributes for DIO Devices * * Copyright (C) 2004 Jochen Friedrich * * Loosely based on drivers/pci/pci-sysfs.c and drivers/zorro/zorro-sysfs.c * * This file is subject to the terms and conditions of the GNU General Public * License. See the file COPYING in the main directory of this archive * for more details. */ #include <linux/kernel.h> #include <linux/dio.h> #include <linux/stat.h> /* show configuration fields */ static ssize_t dio_show_id(struct device *dev, struct device_attribute *attr, char *buf) { struct dio_dev *d; d = to_dio_dev(dev); return sprintf(buf, "0x%02x ", (d->id & 0xff)); } static DEVICE_ATTR(id, S_IRUGO, dio_show_id, NULL); static ssize_t dio_show_ipl(struct device *dev, struct device_attribute *attr, char *buf) { struct dio_dev *d; d = to_dio_dev(dev); return sprintf(buf, "0x%02x ", d->ipl); } static DEVICE_ATTR(ipl, S_IRUGO, dio_show_ipl, NULL); static ssize_t dio_show_secid(struct device *dev, struct device_attribute *attr, char *buf) { struct dio_dev *d; d = to_dio_dev(dev); return sprintf(buf, "0x%02x ", ((d->id >> 8)& 0xff)); } static DEVICE_ATTR(secid, S_IRUGO, dio_show_secid, NULL); static ssize_t dio_show_name(struct device *dev, struct device_attribute *attr, char *buf) { struct dio_dev *d; d = to_dio_dev(dev); return sprintf(buf, "%s ", d->name); } static DEVICE_ATTR(name, S_IRUGO, dio_show_name, NULL); static ssize_t dio_show_resource(struct device *dev, struct device_attribute *attr, char *buf) { struct dio_dev *d = to_dio_dev(dev); return sprintf(buf, "0x%08lx 0x%08lx 0x%08lx ", (unsigned long)dio_resource_start(d), (unsigned long)dio_resource_end(d), dio_resource_flags(d)); } static DEVICE_ATTR(resource, S_IRUGO, dio_show_resource, NULL); int dio_create_sysfs_dev_files(struct dio_dev *d) { struct device *dev = &d->dev; int error; /* current configuration's attributes */ if ((error = device_create_file(dev, &dev_attr_id)) || (error = device_create_file(dev, &dev_attr_ipl)) || (error = device_create_file(dev, &dev_attr_secid)) || (error = device_create_file(dev, &dev_attr_name)) || (error = device_create_file(dev, &dev_attr_resource))) return error; return 0; } |