From bedbef8ad3e75a304af6361af235302bcc61d06b Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 14 May 2024 06:39:01 +0000
Subject: [PATCH] 修改内核路径
---
kernel/drivers/net/phy/mdio_device.c | 39 +++++++++++++++++++++------------------
1 files changed, 21 insertions(+), 18 deletions(-)
diff --git a/kernel/drivers/net/phy/mdio_device.c b/kernel/drivers/net/phy/mdio_device.c
index 922f0f8..797c41f 100644
--- a/kernel/drivers/net/phy/mdio_device.c
+++ b/kernel/drivers/net/phy/mdio_device.c
@@ -1,16 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0+
/* Framework for MDIO devices, other than PHYs.
*
* Copyright (c) 2016 Andrew Lunn <andrew@lunn.ch>
- *
- * 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.
- *
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/gpio.h>
#include <linux/gpio/consumer.h>
@@ -21,10 +17,10 @@
#include <linux/mii.h>
#include <linux/module.h>
#include <linux/phy.h>
+#include <linux/reset.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/unistd.h>
-#include <linux/delay.h>
void mdio_device_free(struct mdio_device *mdiodev)
{
@@ -121,14 +117,22 @@
{
unsigned int d;
- if (!mdiodev->reset)
+ if (!mdiodev->reset_gpio && !mdiodev->reset_ctrl)
return;
- gpiod_set_value(mdiodev->reset, value);
+ if (mdiodev->reset_gpio)
+ gpiod_set_value_cansleep(mdiodev->reset_gpio, value);
+
+ if (mdiodev->reset_ctrl) {
+ if (value)
+ reset_control_assert(mdiodev->reset_ctrl);
+ else
+ reset_control_deassert(mdiodev->reset_ctrl);
+ }
d = value ? mdiodev->reset_assert_delay : mdiodev->reset_deassert_delay;
if (d)
- usleep_range(d, d + max_t(unsigned int, d / 10, 100));
+ fsleep(d);
}
EXPORT_SYMBOL(mdio_device_reset);
@@ -146,10 +150,10 @@
struct mdio_driver *mdiodrv = to_mdio_driver(drv);
int err = 0;
- if (mdiodrv->probe) {
- /* Deassert the reset signal */
- mdio_device_reset(mdiodev, 0);
+ /* Deassert the reset signal */
+ mdio_device_reset(mdiodev, 0);
+ if (mdiodrv->probe) {
err = mdiodrv->probe(mdiodev);
if (err) {
/* Assert the reset signal */
@@ -166,12 +170,11 @@
struct device_driver *drv = mdiodev->dev.driver;
struct mdio_driver *mdiodrv = to_mdio_driver(drv);
- if (mdiodrv->remove) {
+ if (mdiodrv->remove)
mdiodrv->remove(mdiodev);
- /* Assert the reset signal */
- mdio_device_reset(mdiodev, 1);
- }
+ /* Assert the reset signal */
+ mdio_device_reset(mdiodev, 1);
return 0;
}
@@ -188,7 +191,7 @@
/**
* mdio_driver_register - register an mdio_driver with the MDIO layer
- * @new_driver: new mdio_driver to register
+ * @drv: new mdio_driver to register
*/
int mdio_driver_register(struct mdio_driver *drv)
{
--
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