From 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:44:59 +0000
Subject: [PATCH] gmac get mac form eeprom
---
kernel/drivers/net/ethernet/ti/netcp_core.c | 46 ++++++++++++++++------------------------------
1 files changed, 16 insertions(+), 30 deletions(-)
diff --git a/kernel/drivers/net/ethernet/ti/netcp_core.c b/kernel/drivers/net/ethernet/ti/netcp_core.c
index 6099865..f145abb 100644
--- a/kernel/drivers/net/ethernet/ti/netcp_core.c
+++ b/kernel/drivers/net/ethernet/ti/netcp_core.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Keystone NetCP Core driver
*
@@ -8,15 +9,6 @@
* Santosh Shilimkar <santosh.shilimkar@ti.com>
* Murali Karicheri <m-karicheri2@ti.com>
* Wingman Kwok <w-kwok2@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 version 2.
- *
- * This program is distributed "as is" WITHOUT ANY WARRANTY of any
- * kind, whether express or implied; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#include <linux/io.h>
@@ -225,17 +217,6 @@
return 0;
}
-static const char *netcp_node_name(struct device_node *node)
-{
- const char *name;
-
- if (of_property_read_string(node, "label", &name) < 0)
- name = node->name;
- if (!name)
- name = "unknown";
- return name;
-}
-
/* Module management routines */
static int netcp_register_interface(struct netcp_intf *netcp)
{
@@ -267,8 +248,13 @@
}
for_each_available_child_of_node(devices, child) {
- const char *name = netcp_node_name(child);
+ const char *name;
+ char node_name[32];
+ if (of_property_read_string(child, "label", &name) < 0) {
+ snprintf(node_name, sizeof(node_name), "%pOFn", child);
+ name = node_name;
+ }
if (!strcasecmp(module->name, name))
break;
}
@@ -1130,7 +1116,7 @@
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
struct page *page = skb_frag_page(frag);
- u32 page_offset = frag->page_offset;
+ u32 page_offset = skb_frag_off(frag);
u32 buf_len = skb_frag_size(frag);
dma_addr_t desc_dma;
u32 desc_dma_32;
@@ -1276,7 +1262,7 @@
}
/* Submit the packet */
-static int netcp_ndo_start_xmit(struct sk_buff *skb, struct net_device *ndev)
+static netdev_tx_t netcp_ndo_start_xmit(struct sk_buff *skb, struct net_device *ndev)
{
struct netcp_intf *netcp = netdev_priv(ndev);
struct netcp_stats *tx_stats = &netcp->stats;
@@ -1364,9 +1350,9 @@
tx_pipe->dma_queue = knav_queue_open(name, tx_pipe->dma_queue_id,
KNAV_QUEUE_SHARED);
if (IS_ERR(tx_pipe->dma_queue)) {
+ dev_err(dev, "Could not open DMA queue for channel \"%s\": %pe\n",
+ name, tx_pipe->dma_queue);
ret = PTR_ERR(tx_pipe->dma_queue);
- dev_err(dev, "Could not open DMA queue for channel \"%s\": %d\n",
- name, ret);
goto err;
}
@@ -1825,7 +1811,7 @@
return (ret == 0) ? 0 : err;
}
-static void netcp_ndo_tx_timeout(struct net_device *ndev)
+static void netcp_ndo_tx_timeout(struct net_device *ndev, unsigned int txqueue)
{
struct netcp_intf *netcp = netdev_priv(ndev);
unsigned int descs = knav_pool_count(netcp->tx_pool);
@@ -2033,7 +2019,7 @@
goto quit;
}
- efuse = devm_ioremap_nocache(dev, res.start, size);
+ efuse = devm_ioremap(dev, res.start, size);
if (!efuse) {
dev_err(dev, "could not map resource\n");
devm_release_mem_region(dev, res.start, size);
@@ -2051,7 +2037,7 @@
devm_release_mem_region(dev, res.start, size);
} else {
mac_addr = of_get_mac_address(node_interface);
- if (mac_addr)
+ if (!IS_ERR(mac_addr))
ether_addr_copy(ndev->dev_addr, mac_addr);
else
eth_random_addr(ndev->dev_addr);
@@ -2209,8 +2195,8 @@
for_each_available_child_of_node(interfaces, child) {
ret = netcp_create_interface(netcp_device, child);
if (ret) {
- dev_err(dev, "could not create interface(%s)\n",
- child->name);
+ dev_err(dev, "could not create interface(%pOFn)\n",
+ child);
goto probe_quit_interface;
}
}
--
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