From: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Date: Tue, 16 Oct 2018 11:56:26 +0300
Subject: tools/power/cpupower: fix compilation with STATIC=true
Git-commit: 9de9aa45e9bd67232e000cca42ceb134b8ae51b6
Patch-mainline: v4.20-rc4
References: git-fixes

Rename duplicate sysfs_read_file into cpupower_read_sysfs and fix linking.

Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Acked-by: Thomas Renninger <trenn@suse.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
Acked-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
---
 tools/power/cpupower/bench/Makefile        | 2 +-
 tools/power/cpupower/lib/cpufreq.c         | 2 +-
 tools/power/cpupower/lib/cpuidle.c         | 2 +-
 tools/power/cpupower/lib/cpupower.c        | 4 ++--
 tools/power/cpupower/lib/cpupower_intern.h | 2 +-
 5 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/tools/power/cpupower/bench/Makefile b/tools/power/cpupower/bench/Makefile
index d79ab161cc75..f68b4bc55273 100644
--- a/tools/power/cpupower/bench/Makefile
+++ b/tools/power/cpupower/bench/Makefile
@@ -9,7 +9,7 @@ endif
 ifeq ($(strip $(STATIC)),true)
 LIBS = -L../ -L$(OUTPUT) -lm
 OBJS = $(OUTPUT)main.o $(OUTPUT)parse.o $(OUTPUT)system.o $(OUTPUT)benchmark.o \
-       $(OUTPUT)../lib/cpufreq.o $(OUTPUT)../lib/sysfs.o
+       $(OUTPUT)../lib/cpufreq.o $(OUTPUT)../lib/cpupower.o
 else
 LIBS = -L../ -L$(OUTPUT) -lm -lcpupower
 OBJS = $(OUTPUT)main.o $(OUTPUT)parse.o $(OUTPUT)system.o $(OUTPUT)benchmark.o
diff --git a/tools/power/cpupower/lib/cpufreq.c b/tools/power/cpupower/lib/cpufreq.c
index 1b993fe1ce23..0c0f3e3f0d80 100644
--- a/tools/power/cpupower/lib/cpufreq.c
+++ b/tools/power/cpupower/lib/cpufreq.c
@@ -28,7 +28,7 @@ static unsigned int sysfs_cpufreq_read_file(unsigned int cpu, const char *fname,
 
 	snprintf(path, sizeof(path), PATH_TO_CPU "cpu%u/cpufreq/%s",
 			 cpu, fname);
-	return sysfs_read_file(path, buf, buflen);
+	return cpupower_read_sysfs(path, buf, buflen);
 }
 
 /* helper function to write a new value to a /sys file */
diff --git a/tools/power/cpupower/lib/cpuidle.c b/tools/power/cpupower/lib/cpuidle.c
index 9bd4c7655fdb..852d25462388 100644
--- a/tools/power/cpupower/lib/cpuidle.c
+++ b/tools/power/cpupower/lib/cpuidle.c
@@ -319,7 +319,7 @@ static unsigned int sysfs_cpuidle_read_file(const char *fname, char *buf,
 
 	snprintf(path, sizeof(path), PATH_TO_CPU "cpuidle/%s", fname);
 
-	return sysfs_read_file(path, buf, buflen);
+	return cpupower_read_sysfs(path, buf, buflen);
 }
 
 
diff --git a/tools/power/cpupower/lib/cpupower.c b/tools/power/cpupower/lib/cpupower.c
index 9c395ec924de..9711d628b0f4 100644
--- a/tools/power/cpupower/lib/cpupower.c
+++ b/tools/power/cpupower/lib/cpupower.c
@@ -15,7 +15,7 @@
 #include "cpupower.h"
 #include "cpupower_intern.h"
 
-unsigned int sysfs_read_file(const char *path, char *buf, size_t buflen)
+unsigned int cpupower_read_sysfs(const char *path, char *buf, size_t buflen)
 {
 	int fd;
 	ssize_t numread;
@@ -95,7 +95,7 @@ static int sysfs_topology_read_file(unsigned int cpu, const char *fname, int *re
 
 	snprintf(path, sizeof(path), PATH_TO_CPU "cpu%u/topology/%s",
 			 cpu, fname);
-	if (sysfs_read_file(path, linebuf, MAX_LINE_LEN) == 0)
+	if (cpupower_read_sysfs(path, linebuf, MAX_LINE_LEN) == 0)
 		return -1;
 	*result = strtol(linebuf, &endp, 0);
 	if (endp == linebuf || errno == ERANGE)
diff --git a/tools/power/cpupower/lib/cpupower_intern.h b/tools/power/cpupower/lib/cpupower_intern.h
index 92affdfbe417..4887c76d23f8 100644
--- a/tools/power/cpupower/lib/cpupower_intern.h
+++ b/tools/power/cpupower/lib/cpupower_intern.h
@@ -3,4 +3,4 @@
 #define MAX_LINE_LEN 4096
 #define SYSFS_PATH_MAX 255
 
-unsigned int sysfs_read_file(const char *path, char *buf, size_t buflen);
+unsigned int cpupower_read_sysfs(const char *path, char *buf, size_t buflen);