Revert "drivers: phy: add generic PHY framework"

This reverts commit 528bac1d1f2a8bb10ebc3e56dd8f22e2d76f197f.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>

1 files changed, 0 insertions, 344 deletions

diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h
deleted file mode 100644
index 9351a16a9a0..00000000000
--- a/include/linux/phy/phy.h
+++ /dev/null
@@ -1,344 +0,0 @@
-/*
- * phy.h -- generic phy header file
- *
- * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * Author: Kishon Vijay Abraham I <kishon@ti.com>
- *
- * 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.
- *
- */
-
-#ifndef __DRIVERS_PHY_H
-#define __DRIVERS_PHY_H
-
-#include <linux/err.h>
-#include <linux/of.h>
-#include <linux/device.h>
-#include <linux/pm_runtime.h>
-
-struct phy;
-
-/**
- * struct phy_ops - set of function pointers for performing phy operations
- * @init: operation to be performed for initializing phy
- * @exit: operation to be performed while exiting
- * @power_on: powering on the phy
- * @power_off: powering off the phy
- * @owner: the module owner containing the ops
- */
-struct phy_ops {
-	int	(*init)(struct phy *phy);
-	int	(*exit)(struct phy *phy);
-	int	(*power_on)(struct phy *phy);
-	int	(*power_off)(struct phy *phy);
-	struct module *owner;
-};
-
-/**
- * struct phy - represents the phy device
- * @dev: phy device
- * @id: id of the phy
- * @ops: function pointers for performing phy operations
- * @label: label given to the phy
- * @mutex: mutex to protect phy_ops
- * @init_count: used to protect when the PHY is used by multiple consumers
- * @power_count: used to protect when the PHY is used by multiple consumers
- */
-struct phy {
-	struct device		dev;
-	int			id;
-	const struct phy_ops	*ops;
-	const char		*label;
-	struct mutex		mutex;
-	int			init_count;
-	int			power_count;
-};
-
-/**
- * struct phy_provider - represents the phy provider
- * @dev: phy provider device
- * @owner: the module owner having of_xlate
- * @of_xlate: function pointer to obtain phy instance from phy pointer
- * @list: to maintain a linked list of PHY providers
- */
-struct phy_provider {
-	struct device		*dev;
-	struct module		*owner;
-	struct list_head	list;
-	struct phy * (*of_xlate)(struct device *dev,
-		struct of_phandle_args *args);
-};
-
-#define	to_phy(dev)	(container_of((dev), struct phy, dev))
-
-#define	of_phy_provider_register(dev, xlate)	\
-	__of_phy_provider_register((dev), THIS_MODULE, (xlate))
-
-#define	devm_of_phy_provider_register(dev, xlate)	\
-	__of_phy_provider_register((dev), THIS_MODULE, (xlate))
-
-static inline void phy_set_drvdata(struct phy *phy, void *data)
-{
-	dev_set_drvdata(&phy->dev, data);
-}
-
-static inline void *phy_get_drvdata(struct phy *phy)
-{
-	return dev_get_drvdata(&phy->dev);
-}
-
-#if IS_ENABLED(CONFIG_GENERIC_PHY)
-extern struct phy *phy_get(struct device *dev, const char *string);
-extern struct phy *devm_phy_get(struct device *dev, const char *string);
-extern void phy_put(struct phy *phy);
-extern void devm_phy_put(struct device *dev, struct phy *phy);
-extern struct phy *of_phy_simple_xlate(struct device *dev,
-	struct of_phandle_args *args);
-extern struct phy *phy_create(struct device *dev, u8 id,
-	const struct phy_ops *ops, const char *label);
-extern struct phy *devm_phy_create(struct device *dev, u8 id,
-	const struct phy_ops *ops, const char *label);
-extern void phy_destroy(struct phy *phy);
-extern void devm_phy_destroy(struct device *dev, struct phy *phy);
-extern struct phy_provider *__of_phy_provider_register(struct device *dev,
-	struct module *owner, struct phy * (*of_xlate)(struct device *dev,
-	struct of_phandle_args *args));
-extern struct phy_provider *__devm_of_phy_provider_register(struct device *dev,
-	struct module *owner, struct phy * (*of_xlate)(struct device *dev,
-	struct of_phandle_args *args));
-extern void of_phy_provider_unregister(struct phy_provider *phy_provider);
-extern void devm_of_phy_provider_unregister(struct device *dev,
-	struct phy_provider *phy_provider);
-#else
-static inline struct phy *phy_get(struct device *dev, const char *string)
-{
-	return ERR_PTR(-ENOSYS);
-}
-
-static inline struct phy *devm_phy_get(struct device *dev, const char *string)
-{
-	return ERR_PTR(-ENOSYS);
-}
-
-static inline void phy_put(struct phy *phy)
-{
-}
-
-static inline void devm_phy_put(struct device *dev, struct phy *phy)
-{
-}
-
-static inline struct phy *of_phy_simple_xlate(struct device *dev,
-	struct of_phandle_args *args)
-{
-	return ERR_PTR(-ENOSYS);
-}
-
-static inline struct phy *phy_create(struct device *dev, u8 id,
-	const struct phy_ops *ops, const char *label)
-{
-	return ERR_PTR(-ENOSYS);
-}
-
-static inline struct phy *devm_phy_create(struct device *dev, u8 id,
-	const struct phy_ops *ops, const char *label)
-{
-	return ERR_PTR(-ENOSYS);
-}
-
-static inline void phy_destroy(struct phy *phy)
-{
-}
-
-static inline void devm_phy_destroy(struct device *dev, struct phy *phy)
-{
-}
-
-static inline struct phy_provider *__of_phy_provider_register(
-	struct device *dev, struct module *owner, struct phy * (*of_xlate)(
-	struct device *dev, struct of_phandle_args *args))
-{
-	return ERR_PTR(-ENOSYS);
-}
-
-static inline struct phy_provider *__devm_of_phy_provider_register(struct device
-	*dev, struct module *owner, struct phy * (*of_xlate)(struct device *dev,
-	struct of_phandle_args *args))
-{
-	return ERR_PTR(-ENOSYS);
-}
-
-static inline void of_phy_provider_unregister(struct phy_provider *phy_provider)
-{
-}
-
-static inline void devm_of_phy_provider_unregister(struct device *dev,
-	struct phy_provider *phy_provider)
-{
-}
-#endif
-
-static inline int phy_pm_runtime_get(struct phy *phy)
-{
-	if (WARN(IS_ERR(phy), "Invalid PHY reference\n"))
-		return -EINVAL;
-
-	if (!pm_runtime_enabled(&phy->dev))
-		return -ENOTSUPP;
-
-	return pm_runtime_get(&phy->dev);
-}
-
-static inline int phy_pm_runtime_get_sync(struct phy *phy)
-{
-	if (WARN(IS_ERR(phy), "Invalid PHY reference\n"))
-		return -EINVAL;
-
-	if (!pm_runtime_enabled(&phy->dev))
-		return -ENOTSUPP;
-
-	return pm_runtime_get_sync(&phy->dev);
-}
-
-static inline int phy_pm_runtime_put(struct phy *phy)
-{
-	if (WARN(IS_ERR(phy), "Invalid PHY reference\n"))
-		return -EINVAL;
-
-	if (!pm_runtime_enabled(&phy->dev))
-		return -ENOTSUPP;
-
-	return pm_runtime_put(&phy->dev);
-}
-
-static inline int phy_pm_runtime_put_sync(struct phy *phy)
-{
-	if (WARN(IS_ERR(phy), "Invalid PHY reference\n"))
-		return -EINVAL;
-
-	if (!pm_runtime_enabled(&phy->dev))
-		return -ENOTSUPP;
-
-	return pm_runtime_put_sync(&phy->dev);
-}
-
-static inline void phy_pm_runtime_allow(struct phy *phy)
-{
-	if (WARN(IS_ERR(phy), "Invalid PHY reference\n"))
-		return;
-
-	if (!pm_runtime_enabled(&phy->dev))
-		return;
-
-	pm_runtime_allow(&phy->dev);
-}
-
-static inline void phy_pm_runtime_forbid(struct phy *phy)
-{
-	if (WARN(IS_ERR(phy), "Invalid PHY reference\n"))
-		return;
-
-	if (!pm_runtime_enabled(&phy->dev))
-		return;
-
-	pm_runtime_forbid(&phy->dev);
-}
-
-static inline int phy_init(struct phy *phy)
-{
-	int ret;
-
-	ret = phy_pm_runtime_get_sync(phy);
-	if (ret < 0 && ret != -ENOTSUPP)
-		return ret;
-
-	mutex_lock(&phy->mutex);
-	if (phy->init_count++ == 0 && phy->ops->init) {
-		ret = phy->ops->init(phy);
-		if (ret < 0) {
-			dev_err(&phy->dev, "phy init failed --> %d\n", ret);
-			goto out;
-		}
-	}
-
-out:
-	mutex_unlock(&phy->mutex);
-	phy_pm_runtime_put(phy);
-	return ret;
-}
-
-static inline int phy_exit(struct phy *phy)
-{
-	int ret;
-
-	ret = phy_pm_runtime_get_sync(phy);
-	if (ret < 0 && ret != -ENOTSUPP)
-		return ret;
-
-	mutex_lock(&phy->mutex);
-	if (--phy->init_count == 0 && phy->ops->exit) {
-		ret = phy->ops->exit(phy);
-		if (ret < 0) {
-			dev_err(&phy->dev, "phy exit failed --> %d\n", ret);
-			goto out;
-		}
-	}
-
-out:
-	mutex_unlock(&phy->mutex);
-	phy_pm_runtime_put(phy);
-	return ret;
-}
-
-static inline int phy_power_on(struct phy *phy)
-{
-	int ret = -ENOTSUPP;
-
-	ret = phy_pm_runtime_get_sync(phy);
-	if (ret < 0 && ret != -ENOTSUPP)
-		return ret;
-
-	mutex_lock(&phy->mutex);
-	if (phy->power_count++ == 0 && phy->ops->power_on) {
-		ret = phy->ops->power_on(phy);
-		if (ret < 0) {
-			dev_err(&phy->dev, "phy poweron failed --> %d\n", ret);
-			goto out;
-		}
-	}
-
-out:
-	mutex_unlock(&phy->mutex);
-
-	return ret;
-}
-
-static inline int phy_power_off(struct phy *phy)
-{
-	int ret = -ENOTSUPP;
-
-	mutex_lock(&phy->mutex);
-	if (--phy->power_count == 0 && phy->ops->power_off) {
-		ret =  phy->ops->power_off(phy);
-		if (ret < 0) {
-			dev_err(&phy->dev, "phy poweroff failed --> %d\n", ret);
-			goto out;
-		}
-	}
-
-out:
-	mutex_unlock(&phy->mutex);
-	phy_pm_runtime_put(phy);
-
-	return ret;
-}
-
-#endif /* __DRIVERS_PHY_H */