From 50a212ec906f7524620675f0c57357691c26c81f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 16 Oct 2024 01:20:19 +0000
Subject: [PATCH] 修改GPIO导出默认初始值
---
kernel/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c | 53 +++++++++++++++++++++++++++--------------------------
1 files changed, 27 insertions(+), 26 deletions(-)
diff --git a/kernel/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c b/kernel/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c
index 3256e5c..fd1b0cc 100644
--- a/kernel/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c
+++ b/kernel/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c
@@ -1,14 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Synopsys DWC Ethernet Quality-of-Service v4.10a linux driver
*
* Copyright (C) 2016 Joao Pinto <jpinto@synopsys.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/clk.h>
@@ -46,7 +40,7 @@
static int dwc_eth_dwmac_config_dt(struct platform_device *pdev,
struct plat_stmmacenet_data *plat_dat)
{
- struct device_node *np = pdev->dev.of_node;
+ struct device *dev = &pdev->dev;
u32 burst_map = 0;
u32 bit_index = 0;
u32 a_index = 0;
@@ -58,9 +52,10 @@
return -ENOMEM;
}
- plat_dat->axi->axi_lpi_en = of_property_read_bool(np, "snps,en-lpi");
- if (of_property_read_u32(np, "snps,write-requests",
- &plat_dat->axi->axi_wr_osr_lmt)) {
+ plat_dat->axi->axi_lpi_en = device_property_read_bool(dev,
+ "snps,en-lpi");
+ if (device_property_read_u32(dev, "snps,write-requests",
+ &plat_dat->axi->axi_wr_osr_lmt)) {
/**
* Since the register has a reset value of 1, if property
* is missing, default to 1.
@@ -74,8 +69,8 @@
plat_dat->axi->axi_wr_osr_lmt--;
}
- if (of_property_read_u32(np, "snps,read-requests",
- &plat_dat->axi->axi_rd_osr_lmt)) {
+ if (device_property_read_u32(dev, "snps,read-requests",
+ &plat_dat->axi->axi_rd_osr_lmt)) {
/**
* Since the register has a reset value of 1, if property
* is missing, default to 1.
@@ -88,7 +83,7 @@
*/
plat_dat->axi->axi_rd_osr_lmt--;
}
- of_property_read_u32(np, "snps,burst-map", &burst_map);
+ device_property_read_u32(dev, "snps,burst-map", &burst_map);
/* converts burst-map bitmask to burst array */
for (bit_index = 0; bit_index < 7; bit_index++) {
@@ -276,6 +271,7 @@
struct plat_stmmacenet_data *data,
struct stmmac_resources *res)
{
+ struct device *dev = &pdev->dev;
struct tegra_eqos *eqos;
int err;
@@ -287,6 +283,9 @@
eqos->dev = &pdev->dev;
eqos->regs = res->addr;
+
+ if (!is_of_node(dev->fwnode))
+ goto bypass_clk_reset_gpio;
eqos->clk_master = devm_clk_get(&pdev->dev, "master_bus");
if (IS_ERR(eqos->clk_master)) {
@@ -339,6 +338,9 @@
usleep_range(2000, 4000);
gpiod_set_value(eqos->reset, 0);
+ /* MDIO bus was already reset just above */
+ data->mdio_bus_data->needs_reset = false;
+
eqos->rst = devm_reset_control_get(&pdev->dev, "eqos");
if (IS_ERR(eqos->rst)) {
err = PTR_ERR(eqos->rst);
@@ -357,9 +359,11 @@
usleep_range(2000, 4000);
+bypass_clk_reset_gpio:
data->fix_mac_speed = tegra_eqos_fix_speed;
data->init = tegra_eqos_init;
data->bsp_priv = eqos;
+ data->sph_disable = 1;
err = tegra_eqos_init(pdev, eqos);
if (err < 0)
@@ -421,11 +425,10 @@
const struct dwc_eth_dwmac_data *data;
struct plat_stmmacenet_data *plat_dat;
struct stmmac_resources stmmac_res;
- struct resource *res;
void *priv;
int ret;
- data = of_device_get_match_data(&pdev->dev);
+ data = device_get_match_data(&pdev->dev);
memset(&stmmac_res, 0, sizeof(struct stmmac_resources));
@@ -434,17 +437,11 @@
* resource initialization is done in the glue logic.
*/
stmmac_res.irq = platform_get_irq(pdev, 0);
- if (stmmac_res.irq < 0) {
- if (stmmac_res.irq != -EPROBE_DEFER)
- dev_err(&pdev->dev,
- "IRQ configuration information not found\n");
-
+ if (stmmac_res.irq < 0)
return stmmac_res.irq;
- }
stmmac_res.wol_irq = stmmac_res.irq;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- stmmac_res.addr = devm_ioremap_resource(&pdev->dev, res);
+ stmmac_res.addr = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(stmmac_res.addr))
return PTR_ERR(stmmac_res.addr);
@@ -455,7 +452,11 @@
priv = data->probe(pdev, plat_dat, &stmmac_res);
if (IS_ERR(priv)) {
ret = PTR_ERR(priv);
- dev_err(&pdev->dev, "failed to probe subdriver: %d\n", ret);
+
+ if (ret != -EPROBE_DEFER)
+ dev_err(&pdev->dev, "failed to probe subdriver: %d\n",
+ ret);
+
goto remove_config;
}
@@ -484,7 +485,7 @@
const struct dwc_eth_dwmac_data *data;
int err;
- data = of_device_get_match_data(&pdev->dev);
+ data = device_get_match_data(&pdev->dev);
err = stmmac_dvr_remove(&pdev->dev);
if (err < 0)
--
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