[mirror_ubuntu-eoan-kernel.git] / net / ieee802154 / sysfs.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 *
 * 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);
}

#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));
}
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);
}

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;
}

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;
}

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);
}

void wpan_phy_sysfs_exit(void)
{
	class_unregister(&wpan_phy_class);
}
Commit	Line	Data
1802d0be TG	1	// SPDX-License-Identifier: GPL-2.0-only
1802d0be TG	2	/*
e23e9ec1 AA	3	*
	4	* Authors:
	5	* Alexander Aring <aar@pengutronix.de>
	6	*
	7	* Based on: net/wireless/sysfs.c
	8	*/
	9
	10	#include <linux/device.h>
a6cb869b	11	#include <linux/rtnetlink.h>
e23e9ec1 AA	12
	13	#include <net/cfg802154.h>
	14
a5dd1d72	15	#include "core.h"
c5fbbc46	16	#include "sysfs.h"
a6cb869b	17	#include "rdev-ops.h"
a5dd1d72 AA	18
	19	static inline struct cfg802154_registered_device *
	20	dev_to_rdev(struct device *dev)
	21	{
	22	return container_of(dev, struct cfg802154_registered_device,
	23	wpan_phy.dev);
	24	}
	25
a6fd693f AA	26	#define SHOW_FMT(name, fmt, member) \
	27	static ssize_t name ## _show(struct device *dev, \
	28	struct device_attribute *attr, \
	29	char *buf) \
	30	{ \
	31	return sprintf(buf, fmt "\n", dev_to_rdev(dev)->member); \
	32	} \
	33	static DEVICE_ATTR_RO(name)
	34
	35	SHOW_FMT(index, "%d", wpan_phy_idx);
	36
	37	static ssize_t name_show(struct device *dev,
	38	struct device_attribute *attr,
	39	char *buf)
	40	{
	41	struct wpan_phy *wpan_phy = &dev_to_rdev(dev)->wpan_phy;
	42
	43	return sprintf(buf, "%s\n", dev_name(&wpan_phy->dev));
	44	}
	45	static DEVICE_ATTR_RO(name);
	46
a5dd1d72	47	static void wpan_phy_release(struct device *dev)
e23e9ec1	48	{
a5dd1d72	49	struct cfg802154_registered_device *rdev = dev_to_rdev(dev);
e23e9ec1	50
a5dd1d72	51	cfg802154_dev_free(rdev);
e23e9ec1 AA	52	}
	53
	54	static struct attribute *pmib_attrs[] = {
a6fd693f AA	55	&dev_attr_index.attr,
a6fd693f AA	56	&dev_attr_name.attr,
e23e9ec1 AA	57	NULL,
	58	};
	59	ATTRIBUTE_GROUPS(pmib);
	60
a6cb869b VB	61	#ifdef CONFIG_PM_SLEEP
	62	static int wpan_phy_suspend(struct device *dev)
	63	{
	64	struct cfg802154_registered_device *rdev = dev_to_rdev(dev);
	65	int ret = 0;
	66
	67	if (rdev->ops->suspend) {
	68	rtnl_lock();
	69	ret = rdev_suspend(rdev);
	70	rtnl_unlock();
	71	}
	72
	73	return ret;
	74	}
	75
	76	static int wpan_phy_resume(struct device *dev)
	77	{
	78	struct cfg802154_registered_device *rdev = dev_to_rdev(dev);
	79	int ret = 0;
	80
	81	if (rdev->ops->resume) {
	82	rtnl_lock();
	83	ret = rdev_resume(rdev);
	84	rtnl_unlock();
	85	}
	86
	87	return ret;
	88	}
	89
	90	static SIMPLE_DEV_PM_OPS(wpan_phy_pm_ops, wpan_phy_suspend, wpan_phy_resume);
	91	#define WPAN_PHY_PM_OPS (&wpan_phy_pm_ops)
	92	#else
	93	#define WPAN_PHY_PM_OPS NULL
	94	#endif
	95
e23e9ec1 AA	96	struct class wpan_phy_class = {
	97	.name = "ieee802154",
	98	.dev_release = wpan_phy_release,
	99	.dev_groups = pmib_groups,
a6cb869b	100	.pm = WPAN_PHY_PM_OPS,
e23e9ec1 AA	101	};
	102
	103	int wpan_phy_sysfs_init(void)
	104	{
	105	return class_register(&wpan_phy_class);
	106	}
	107
	108	void wpan_phy_sysfs_exit(void)
	109	{
	110	class_unregister(&wpan_phy_class);
	111	}