kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/tools/power/cpupower/lib/cpufreq.c
..
..
@@ -1,7 +1,6 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
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2
 /*
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3
  *  (C) 2004-2009  Dominik Brodowski <linux@dominikbrodowski.de>
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- *
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- *  Licensed under the terms of the GNU GPL License version 2.
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4
  */
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5
 
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6
 
..
..
@@ -286,7 +285,7 @@
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 			} else {
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 				first = malloc(sizeof(*first));
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 				if (!first)
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-					goto error_out;
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+					return NULL;
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 				current = first;
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 			}
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 			current->first = first;
..
..
@@ -344,7 +343,7 @@
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 	unsigned int len;
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344
 
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 	len = sysfs_cpufreq_read_file(cpu, "scaling_available_frequencies",
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-				linebuf, sizeof(linebuf));
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+				      linebuf, sizeof(linebuf));
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 	if (len == 0)
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 		return NULL;
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349
 
..
..
@@ -363,7 +362,7 @@
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 			} else {
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 				first = malloc(sizeof(*first));
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 				if (!first)
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-					goto error_out;
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+					return NULL;
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 				current = first;
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 			}
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 			current->first = first;
..
..
@@ -389,8 +388,64 @@
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 	return NULL;
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 }
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390
 
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-void cpufreq_put_available_frequencies(struct cpufreq_available_frequencies
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-				*any) {
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+struct cpufreq_available_frequencies
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+*cpufreq_get_boost_frequencies(unsigned int cpu)
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+{
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+	struct cpufreq_available_frequencies *first = NULL;
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+	struct cpufreq_available_frequencies *current = NULL;
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+	char one_value[SYSFS_PATH_MAX];
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+	char linebuf[MAX_LINE_LEN];
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+	unsigned int pos, i;
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+	unsigned int len;
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+
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+	len = sysfs_cpufreq_read_file(cpu, "scaling_boost_frequencies",
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+				      linebuf, sizeof(linebuf));
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+	if (len == 0)
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+		return NULL;
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+
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+	pos = 0;
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+	for (i = 0; i < len; i++) {
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+		if (linebuf[i] == ' ' || linebuf[i] == '\n') {
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+			if (i - pos < 2)
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+				continue;
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+			if (i - pos >= SYSFS_PATH_MAX)
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+				goto error_out;
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+			if (current) {
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+				current->next = malloc(sizeof(*current));
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+				if (!current->next)
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+					goto error_out;
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+				current = current->next;
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+			} else {
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+				first = malloc(sizeof(*first));
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+				if (!first)
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+					return NULL;
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+				current = first;
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+			}
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+			current->first = first;
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+			current->next = NULL;
426
+
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+			memcpy(one_value, linebuf + pos, i - pos);
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+			one_value[i - pos] = '\0';
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+			if (sscanf(one_value, "%lu", &current->frequency) != 1)
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+				goto error_out;
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+
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+			pos = i + 1;
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+		}
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+	}
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+
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+	return first;
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+
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+ error_out:
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+	while (first) {
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+		current = first->next;
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+		free(first);
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+		first = current;
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+	}
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+	return NULL;
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+}
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+
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+void cpufreq_put_available_frequencies(struct cpufreq_available_frequencies *any)
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+{
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 	struct cpufreq_available_frequencies *tmp, *next;
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450
 
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 	if (!any)
..
..
@@ -402,6 +457,11 @@
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 		free(tmp);
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 		tmp = next;
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 	}
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+}
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+
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+void cpufreq_put_boost_frequencies(struct cpufreq_available_frequencies *any)
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+{
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+	cpufreq_put_available_frequencies(any);
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 }
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466
 
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 static struct cpufreq_affected_cpus *sysfs_get_cpu_list(unsigned int cpu,
..
..
@@ -433,7 +493,7 @@
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493
 			} else {
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494
 				first = malloc(sizeof(*first));
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 				if (!first)
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-					goto error_out;
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+					return NULL;
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 				current = first;
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 			}
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 			current->first = first;
..
..
@@ -666,7 +726,7 @@
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 			} else {
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 				first = malloc(sizeof(*first));
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728
 				if (!first)
669
-					goto error_out;
729
+					return NULL;
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730
 				current = first;
671
731
 			}
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732
 			current->first = first;