1 files changed, 0 insertions, 54 deletions
diff --git a/tools/perf/arch/arm/util/cs-etm.c b/tools/perf/arch/arm/util/cs-etm.c
index 4f31cf0d1e6d..911426721170 100644
--- a/tools/perf/arch/arm/util/cs-etm.c
+++ b/tools/perf/arch/arm/util/cs-etm.c
@@ -27,9 +27,6 @@
 #include <stdlib.h>
 #include <sys/stat.h>
 
-#define ENABLE_SINK_MAX	128
-#define CS_BUS_DEVICE_PATH "/bus/coresight/devices/"
-
 struct cs_etm_recording {
 	struct auxtrace_record	itr;
 	struct perf_pmu		*cs_etm_pmu;
@@ -642,54 +639,3 @@ struct auxtrace_record *cs_etm_record_init(int *err)
 out:
 	return NULL;
 }
-
-static FILE *cs_device__open_file(const char *name)
-{
-	struct stat st;
-	char path[PATH_MAX];
-	const char *sysfs;
-
-	sysfs = sysfs__mountpoint();
-	if (!sysfs)
-		return NULL;
-
-	snprintf(path, PATH_MAX,
-		 "%s" CS_BUS_DEVICE_PATH "%s", sysfs, name);
-
-	if (stat(path, &st) < 0)
-		return NULL;
-
-	return fopen(path, "w");
-
-}
-
-static int __printf(2, 3) cs_device__print_file(const char *name, const char *fmt, ...)
-{
-	va_list args;
-	FILE *file;
-	int ret = -EINVAL;
-
-	va_start(args, fmt);
-	file = cs_device__open_file(name);
-	if (file) {
-		ret = vfprintf(file, fmt, args);
-		fclose(file);
-	}
-	va_end(args);
-	return ret;
-}
-
-int cs_etm_set_drv_config(struct perf_evsel_config_term *term)
-{
-	int ret;
-	char enable_sink[ENABLE_SINK_MAX];
-
-	snprintf(enable_sink, ENABLE_SINK_MAX, "%s/%s",
-		 term->val.drv_cfg, "enable_sink");
-
-	ret = cs_device__print_file(enable_sink, "%d", 1);
-	if (ret < 0)
-		return ret;
-
-	return 0;
-}