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1802d0beec
Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 655 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070034.575739538@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
112 lines
2.2 KiB
C
112 lines
2.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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*
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* Authors:
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* Alexander Aring <aar@pengutronix.de>
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*
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* Based on: net/wireless/sysfs.c
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*/
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#include <linux/device.h>
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#include <linux/rtnetlink.h>
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#include <net/cfg802154.h>
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#include "core.h"
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#include "sysfs.h"
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#include "rdev-ops.h"
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static inline struct cfg802154_registered_device *
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dev_to_rdev(struct device *dev)
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{
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return container_of(dev, struct cfg802154_registered_device,
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wpan_phy.dev);
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}
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#define SHOW_FMT(name, fmt, member) \
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static ssize_t name ## _show(struct device *dev, \
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struct device_attribute *attr, \
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char *buf) \
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{ \
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return sprintf(buf, fmt "\n", dev_to_rdev(dev)->member); \
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} \
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static DEVICE_ATTR_RO(name)
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SHOW_FMT(index, "%d", wpan_phy_idx);
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static ssize_t name_show(struct device *dev,
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struct device_attribute *attr,
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char *buf)
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{
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struct wpan_phy *wpan_phy = &dev_to_rdev(dev)->wpan_phy;
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return sprintf(buf, "%s\n", dev_name(&wpan_phy->dev));
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}
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static DEVICE_ATTR_RO(name);
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static void wpan_phy_release(struct device *dev)
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{
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struct cfg802154_registered_device *rdev = dev_to_rdev(dev);
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cfg802154_dev_free(rdev);
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}
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static struct attribute *pmib_attrs[] = {
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&dev_attr_index.attr,
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&dev_attr_name.attr,
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NULL,
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};
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ATTRIBUTE_GROUPS(pmib);
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#ifdef CONFIG_PM_SLEEP
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static int wpan_phy_suspend(struct device *dev)
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{
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struct cfg802154_registered_device *rdev = dev_to_rdev(dev);
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int ret = 0;
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if (rdev->ops->suspend) {
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rtnl_lock();
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ret = rdev_suspend(rdev);
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rtnl_unlock();
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}
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return ret;
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}
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static int wpan_phy_resume(struct device *dev)
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{
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struct cfg802154_registered_device *rdev = dev_to_rdev(dev);
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int ret = 0;
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if (rdev->ops->resume) {
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rtnl_lock();
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ret = rdev_resume(rdev);
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rtnl_unlock();
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}
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return ret;
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}
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static SIMPLE_DEV_PM_OPS(wpan_phy_pm_ops, wpan_phy_suspend, wpan_phy_resume);
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#define WPAN_PHY_PM_OPS (&wpan_phy_pm_ops)
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#else
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#define WPAN_PHY_PM_OPS NULL
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#endif
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struct class wpan_phy_class = {
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.name = "ieee802154",
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.dev_release = wpan_phy_release,
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.dev_groups = pmib_groups,
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.pm = WPAN_PHY_PM_OPS,
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};
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int wpan_phy_sysfs_init(void)
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{
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return class_register(&wpan_phy_class);
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}
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void wpan_phy_sysfs_exit(void)
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{
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class_unregister(&wpan_phy_class);
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}
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