修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/arch/powerpc/platforms/pseries/pseries_energy.c
..
..
@@ -1,10 +1,7 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * POWER platform energy management driver
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  * Copyright (C) 2010 IBM Corporation
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License
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- * version 2 as published by the Free Software Foundation.
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  *
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  * This pseries platform device driver provides access to
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  * platform energy management capabilities.
..
..
@@ -39,6 +36,7 @@
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 static u32 cpu_to_drc_index(int cpu)
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 {
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 	struct device_node *dn = NULL;
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+	struct property *info;
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 	int thread_index;
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 	int rc = 1;
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 	u32 ret = 0;
..
..
@@ -50,20 +48,18 @@
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 	/* Convert logical cpu number to core number */
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 	thread_index = cpu_core_index_of_thread(cpu);
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-	if (firmware_has_feature(FW_FEATURE_DRC_INFO)) {
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-		struct property *info = NULL;
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+	info = of_find_property(dn, "ibm,drc-info", NULL);
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+	if (info) {
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 		struct of_drc_info drc;
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 		int j;
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 		u32 num_set_entries;
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 		const __be32 *value;
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-		info = of_find_property(dn, "ibm,drc-info", NULL);
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-		if (info == NULL)
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-			goto err_of_node_put;
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-
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 		value = of_prop_next_u32(info, NULL, &num_set_entries);
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 		if (!value)
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 			goto err_of_node_put;
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+		else
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+			value++;
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63
 
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 		for (j = 0; j < num_set_entries; j++) {
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65
 
..
..
@@ -113,6 +109,7 @@
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 static int drc_index_to_cpu(u32 drc_index)
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 {
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 	struct device_node *dn = NULL;
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+	struct property *info;
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 	const int *indexes;
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 	int thread_index = 0, cpu = 0;
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 	int rc = 1;
..
..
@@ -120,21 +117,18 @@
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 	dn = of_find_node_by_path("/cpus");
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 	if (dn == NULL)
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 		goto err;
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-
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-	if (firmware_has_feature(FW_FEATURE_DRC_INFO)) {
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-		struct property *info = NULL;
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+	info = of_find_property(dn, "ibm,drc-info", NULL);
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+	if (info) {
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 		struct of_drc_info drc;
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 		int j;
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 		u32 num_set_entries;
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 		const __be32 *value;
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-		info = of_find_property(dn, "ibm,drc-info", NULL);
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-		if (info == NULL)
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-			goto err_of_node_put;
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-
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 		value = of_prop_next_u32(info, NULL, &num_set_entries);
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 		if (!value)
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 			goto err_of_node_put;
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+		else
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+			value++;
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 		for (j = 0; j < num_set_entries; j++) {
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