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111 lines
2.2 KiB
111 lines
2.2 KiB
// 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 <[email protected]> |
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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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