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Release 4.15 net/ieee802154/sysfs.c

Directory: net/ieee802154
/* This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * Authors:
 * Alexander Aring <aar@pengutronix.de>
 *
 * Based on: net/wireless/sysfs.c
 */

#include <linux/device.h>
#include <linux/rtnetlink.h>

#include <net/cfg802154.h>

#include "core.h"
#include "sysfs.h"
#include "rdev-ops.h"


static inline struct cfg802154_registered_device * dev_to_rdev(struct device *dev) { return container_of(dev, struct cfg802154_registered_device, wpan_phy.dev); }

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#define SHOW_FMT(name, fmt, member) \ static ssize_t name ## _show(struct device *dev, \ struct device_attribute *attr, \ char *buf) \ { \ return sprintf(buf, fmt "\n", dev_to_rdev(dev)->member); \ } \ static DEVICE_ATTR_RO(name) SHOW_FMT(index, "%d", wpan_phy_idx);
static ssize_t name_show(struct device *dev, struct device_attribute *attr, char *buf) { struct wpan_phy *wpan_phy = &dev_to_rdev(dev)->wpan_phy; return sprintf(buf, "%s\n", dev_name(&wpan_phy->dev)); }

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static DEVICE_ATTR_RO(name);
static void wpan_phy_release(struct device *dev) { struct cfg802154_registered_device *rdev = dev_to_rdev(dev); cfg802154_dev_free(rdev); }

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Alexander Aring26100.00%2100.00%
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static struct attribute *pmib_attrs[] = { &dev_attr_index.attr, &dev_attr_name.attr, NULL, }; ATTRIBUTE_GROUPS(pmib); #ifdef CONFIG_PM_SLEEP
static int wpan_phy_suspend(struct device *dev) { struct cfg802154_registered_device *rdev = dev_to_rdev(dev); int ret = 0; if (rdev->ops->suspend) { rtnl_lock(); ret = rdev_suspend(rdev); rtnl_unlock(); } return ret; }

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static int wpan_phy_resume(struct device *dev) { struct cfg802154_registered_device *rdev = dev_to_rdev(dev); int ret = 0; if (rdev->ops->resume) { rtnl_lock(); ret = rdev_resume(rdev); rtnl_unlock(); } return ret; }

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static SIMPLE_DEV_PM_OPS(wpan_phy_pm_ops, wpan_phy_suspend, wpan_phy_resume); #define WPAN_PHY_PM_OPS (&wpan_phy_pm_ops) #else #define WPAN_PHY_PM_OPS NULL #endif struct class wpan_phy_class = { .name = "ieee802154", .dev_release = wpan_phy_release, .dev_groups = pmib_groups, .pm = WPAN_PHY_PM_OPS, };
int wpan_phy_sysfs_init(void) { return class_register(&wpan_phy_class); }

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void wpan_phy_sysfs_exit(void) { class_unregister(&wpan_phy_class); }

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Alexander Aring21660.67%480.00%
Varka Bhadram14039.33%120.00%
Total356100.00%5100.00%
Directory: net/ieee802154
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