add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

 kernel/drivers/edac/cpc925_edac.c
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@@ -1,22 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * cpc925_edac.c, EDAC driver for IBM CPC925 Bridge and Memory Controller.
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  *
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  * Copyright (c) 2008 Wind River Systems, Inc.
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  *
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  * Authors:	Cao Qingtao <qingtao.cao@windriver.com>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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- * See the GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, write to the Free Software
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- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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  */
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9
 
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 #include <linux/module.h>
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@@ -593,8 +581,7 @@
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 /******************** CPU err device********************************/
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 static u32 cpc925_cpu_mask_disabled(void)
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 {
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-	struct device_node *cpus;
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-	struct device_node *cpunode = NULL;
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+	struct device_node *cpunode;
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 	static u32 mask = 0;
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 	/* use cached value if available */
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@@ -603,20 +590,8 @@
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 	mask = APIMASK_ADI0 | APIMASK_ADI1;
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-	cpus = of_find_node_by_path("/cpus");
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-	if (cpus == NULL) {
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-		cpc925_printk(KERN_DEBUG, "No /cpus node !\n");
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-		return 0;
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-	}
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-
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-	while ((cpunode = of_get_next_child(cpus, cpunode)) != NULL) {
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+	for_each_of_cpu_node(cpunode) {
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 		const u32 *reg = of_get_property(cpunode, "reg", NULL);
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-
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-		if (strcmp(cpunode->type, "cpu")) {
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-			cpc925_printk(KERN_ERR, "Not a cpu node in /cpus: %s\n", cpunode->name);
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-			continue;
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-		}
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-
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 		if (reg == NULL || *reg > 2) {
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 			cpc925_printk(KERN_ERR, "Bad reg value at %pOF\n", cpunode);
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 			continue;
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@@ -632,9 +607,6 @@
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 		cpc925_printk(KERN_WARNING,
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 				"Assuming PI id is equal to CPU MPIC id!\n");
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 	}
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-
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-	of_node_put(cpunode);
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-	of_node_put(cpus);
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 	return mask;
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 }