From ea08eeccae9297f7aabd2ef7f0c2517ac4549acc Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:18:26 +0000
Subject: [PATCH] write in 30M
---
kernel/drivers/edac/cpc925_edac.c | 34 +++-------------------------------
1 files changed, 3 insertions(+), 31 deletions(-)
diff --git a/kernel/drivers/edac/cpc925_edac.c b/kernel/drivers/edac/cpc925_edac.c
index 2c98e02..9797e6d 100644
--- a/kernel/drivers/edac/cpc925_edac.c
+++ b/kernel/drivers/edac/cpc925_edac.c
@@ -1,22 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* cpc925_edac.c, EDAC driver for IBM CPC925 Bridge and Memory Controller.
*
* Copyright (c) 2008 Wind River Systems, Inc.
*
* Authors: Cao Qingtao <qingtao.cao@windriver.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.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/module.h>
@@ -593,8 +581,7 @@
/******************** CPU err device********************************/
static u32 cpc925_cpu_mask_disabled(void)
{
- struct device_node *cpus;
- struct device_node *cpunode = NULL;
+ struct device_node *cpunode;
static u32 mask = 0;
/* use cached value if available */
@@ -603,20 +590,8 @@
mask = APIMASK_ADI0 | APIMASK_ADI1;
- cpus = of_find_node_by_path("/cpus");
- if (cpus == NULL) {
- cpc925_printk(KERN_DEBUG, "No /cpus node !\n");
- return 0;
- }
-
- while ((cpunode = of_get_next_child(cpus, cpunode)) != NULL) {
+ for_each_of_cpu_node(cpunode) {
const u32 *reg = of_get_property(cpunode, "reg", NULL);
-
- if (strcmp(cpunode->type, "cpu")) {
- cpc925_printk(KERN_ERR, "Not a cpu node in /cpus: %s\n", cpunode->name);
- continue;
- }
-
if (reg == NULL || *reg > 2) {
cpc925_printk(KERN_ERR, "Bad reg value at %pOF\n", cpunode);
continue;
@@ -632,9 +607,6 @@
cpc925_printk(KERN_WARNING,
"Assuming PI id is equal to CPU MPIC id!\n");
}
-
- of_node_put(cpunode);
- of_node_put(cpus);
return mask;
}
--
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