From 297b60346df8beafee954a0fd7c2d64f33f3b9bc Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 11 May 2024 01:44:05 +0000
Subject: [PATCH] rtl8211F_led_control
---
kernel/drivers/phy/phy-core.c | 108 +++++++++++++++++++++++++++++++++++-------------------
1 files changed, 70 insertions(+), 38 deletions(-)
diff --git a/kernel/drivers/phy/phy-core.c b/kernel/drivers/phy/phy-core.c
index b7b041c..71cb108 100644
--- a/kernel/drivers/phy/phy-core.c
+++ b/kernel/drivers/phy/phy-core.c
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* phy-core.c -- Generic Phy framework.
*
* Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com
*
* Author: Kishon Vijay Abraham I <kishon@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.
*/
#include <linux/kernel.h>
@@ -33,7 +29,7 @@
{
struct phy *phy = *(struct phy **)res;
- phy_put(phy);
+ phy_put(dev, phy);
}
static void devm_phy_provider_release(struct device *dev, void *res)
@@ -360,7 +356,7 @@
}
EXPORT_SYMBOL_GPL(phy_power_off);
-int phy_set_mode(struct phy *phy, enum phy_mode mode)
+int phy_set_mode_ext(struct phy *phy, enum phy_mode mode, int submode)
{
int ret;
@@ -368,14 +364,14 @@
return 0;
mutex_lock(&phy->mutex);
- ret = phy->ops->set_mode(phy, mode);
+ ret = phy->ops->set_mode(phy, mode, submode);
if (!ret)
phy->attrs.mode = mode;
mutex_unlock(&phy->mutex);
return ret;
}
-EXPORT_SYMBOL_GPL(phy_set_mode);
+EXPORT_SYMBOL_GPL(phy_set_mode_ext);
int phy_reset(struct phy *phy)
{
@@ -384,27 +380,36 @@
if (!phy || !phy->ops->reset)
return 0;
+ ret = phy_pm_runtime_get_sync(phy);
+ if (ret < 0 && ret != -ENOTSUPP)
+ return ret;
+
mutex_lock(&phy->mutex);
ret = phy->ops->reset(phy);
mutex_unlock(&phy->mutex);
+
+ phy_pm_runtime_put(phy);
return ret;
}
EXPORT_SYMBOL_GPL(phy_reset);
+/**
+ * phy_calibrate() - Tunes the phy hw parameters for current configuration
+ * @phy: the phy returned by phy_get()
+ *
+ * Used to calibrate phy hardware, typically by adjusting some parameters in
+ * runtime, which are otherwise lost after host controller reset and cannot
+ * be applied in phy_init() or phy_power_on().
+ *
+ * Returns: 0 if successful, an negative error code otherwise
+ */
int phy_calibrate(struct phy *phy)
{
int ret;
if (!phy || !phy->ops->calibrate)
return 0;
-
- if (phy->dev.parent &&
- of_device_is_compatible(phy->dev.parent->of_node,
- "rockchip,rv1126-usb2phy")) {
- ret = phy->ops->calibrate(phy);
- return ret;
- }
mutex_lock(&phy->mutex);
ret = phy->ops->calibrate(phy);
@@ -561,18 +566,37 @@
EXPORT_SYMBOL_GPL(of_phy_get);
/**
- * phy_put() - release the PHY
- * @phy: the phy returned by phy_get()
+ * of_phy_put() - release the PHY
+ * @phy: the phy returned by of_phy_get()
*
- * Releases a refcount the caller received from phy_get().
+ * Releases a refcount the caller received from of_phy_get().
*/
-void phy_put(struct phy *phy)
+void of_phy_put(struct phy *phy)
{
if (!phy || IS_ERR(phy))
return;
+ mutex_lock(&phy->mutex);
+ if (phy->ops->release)
+ phy->ops->release(phy);
+ mutex_unlock(&phy->mutex);
+
module_put(phy->ops->owner);
put_device(&phy->dev);
+}
+EXPORT_SYMBOL_GPL(of_phy_put);
+
+/**
+ * phy_put() - release the PHY
+ * @dev: device that wants to release this phy
+ * @phy: the phy returned by phy_get()
+ *
+ * Releases a refcount the caller received from phy_get().
+ */
+void phy_put(struct device *dev, struct phy *phy)
+{
+ device_link_remove(dev, &phy->dev);
+ of_phy_put(phy);
}
EXPORT_SYMBOL_GPL(phy_put);
@@ -641,6 +665,7 @@
{
int index = 0;
struct phy *phy;
+ struct device_link *link;
if (string == NULL) {
dev_WARN(dev, "missing string\n");
@@ -662,6 +687,11 @@
get_device(&phy->dev);
+ link = device_link_add(dev, &phy->dev, DL_FLAG_STATELESS);
+ if (!link)
+ dev_dbg(dev, "failed to create device link to %s\n",
+ dev_name(phy->dev.parent));
+
return phy;
}
EXPORT_SYMBOL_GPL(phy_get);
@@ -680,7 +710,7 @@
{
struct phy *phy = phy_get(dev, string);
- if (IS_ERR(phy) && (PTR_ERR(phy) == -ENODEV))
+ if (PTR_ERR(phy) == -ENODEV)
phy = NULL;
return phy;
@@ -734,7 +764,7 @@
{
struct phy *phy = devm_phy_get(dev, string);
- if (IS_ERR(phy) && (PTR_ERR(phy) == -ENODEV))
+ if (PTR_ERR(phy) == -ENODEV)
phy = NULL;
return phy;
@@ -755,6 +785,7 @@
const char *con_id)
{
struct phy **ptr, *phy;
+ struct device_link *link;
ptr = devres_alloc(devm_phy_release, sizeof(*ptr), GFP_KERNEL);
if (!ptr)
@@ -766,7 +797,13 @@
devres_add(dev, ptr);
} else {
devres_free(ptr);
+ return phy;
}
+
+ link = device_link_add(dev, &phy->dev, DL_FLAG_STATELESS);
+ if (!link)
+ dev_dbg(dev, "failed to create device link to %s\n",
+ dev_name(phy->dev.parent));
return phy;
}
@@ -788,6 +825,7 @@
int index)
{
struct phy **ptr, *phy;
+ struct device_link *link;
ptr = devres_alloc(devm_phy_release, sizeof(*ptr), GFP_KERNEL);
if (!ptr)
@@ -808,6 +846,11 @@
*ptr = phy;
devres_add(dev, ptr);
+
+ link = device_link_add(dev, &phy->dev, DL_FLAG_STATELESS);
+ if (!link)
+ dev_dbg(dev, "failed to create device link to %s\n",
+ dev_name(phy->dev.parent));
return phy;
}
@@ -1019,6 +1062,7 @@
* __devm_of_phy_provider_register() - create/register phy provider with the
* framework
* @dev: struct device of the phy provider
+ * @children: device node containing children (if different from dev->of_node)
* @owner: the module owner containing of_xlate
* @of_xlate: function pointer to obtain phy instance from phy provider
*
@@ -1074,12 +1118,14 @@
/**
* devm_of_phy_provider_unregister() - remove phy provider from the framework
* @dev: struct device of the phy provider
+ * @phy_provider: phy provider returned by of_phy_provider_register()
*
* destroys the devres associated with this phy provider and invokes
* of_phy_provider_unregister to unregister the phy provider.
*/
void devm_of_phy_provider_unregister(struct device *dev,
- struct phy_provider *phy_provider) {
+ struct phy_provider *phy_provider)
+{
int r;
r = devres_destroy(dev, devm_phy_provider_release, devm_phy_match,
@@ -1119,18 +1165,4 @@
return 0;
}
-#ifdef CONFIG_ROCKCHIP_THUNDER_BOOT
-subsys_initcall(phy_core_init);
-#else
-module_init(phy_core_init);
-#endif
-
-static void __exit phy_core_exit(void)
-{
- class_destroy(phy_class);
-}
-module_exit(phy_core_exit);
-
-MODULE_DESCRIPTION("Generic PHY Framework");
-MODULE_AUTHOR("Kishon Vijay Abraham I <kishon@ti.com>");
-MODULE_LICENSE("GPL v2");
+device_initcall(phy_core_init);
--
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