perf pmu: Remove set_drv_config API

CoreSight was the only client of the PMU's set_drv_config() API.  Now
that it is no longer needed by CoreSight remove it from the code base.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Acked-by: Suzuki K Poulouse <suzuki.poulose@arm.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will.deacon@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-s390@vger.kernel.org
Link: http://lkml.kernel.org/r/20190131184714.20388-8-mathieu.poirier@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

4 files changed, 0 insertions, 106 deletions

diff --git a/tools/perf/util/Build b/tools/perf/util/Build
index b69d6294c88c..a36e6e5a6f4f 100644
--- a/tools/perf/util/Build
+++ b/tools/perf/util/Build
@@ -107,7 +107,6 @@ libperf-y += term.o
 libperf-y += help-unknown-cmd.o
 libperf-y += mem-events.o
 libperf-y += vsprintf.o
-libperf-y += drv_configs.o
 libperf-y += units.o
 libperf-y += time-utils.o
 libperf-y += expr-bison.o
diff --git a/tools/perf/util/drv_configs.c b/tools/perf/util/drv_configs.c
deleted file mode 100644
index eec754243f4d..000000000000
--- a/tools/perf/util/drv_configs.c
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
- * drv_configs.h: Interface to apply PMU specific configuration
- * Copyright (c) 2016-2018, Linaro Ltd.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- */
-
-#include "drv_configs.h"
-#include "evlist.h"
-#include "evsel.h"
-#include "pmu.h"
-#include <errno.h>
-
-static int
-perf_evsel__apply_drv_configs(struct perf_evsel *evsel,
-			      struct perf_evsel_config_term **err_term)
-{
-	bool found = false;
-	int err = 0;
-	struct perf_evsel_config_term *term;
-	struct perf_pmu *pmu = NULL;
-
-	while ((pmu = perf_pmu__scan(pmu)) != NULL)
-		if (pmu->type == evsel->attr.type) {
-			found = true;
-			break;
-		}
-
-	list_for_each_entry(term, &evsel->config_terms, list) {
-		if (term->type != PERF_EVSEL__CONFIG_TERM_DRV_CFG)
-			continue;
-
-		/*
-		 * We have a configuration term, report an error if we
-		 * can't find the PMU or if the PMU driver doesn't support
-		 * cmd line driver configuration.
-		 */
-		if (!found || !pmu->set_drv_config) {
-			err = -EINVAL;
-			*err_term = term;
-			break;
-		}
-
-		err = pmu->set_drv_config(term);
-		if (err) {
-			*err_term = term;
-			break;
-		}
-	}
-
-	return err;
-}
-
-int perf_evlist__apply_drv_configs(struct perf_evlist *evlist,
-				   struct perf_evsel **err_evsel,
-				   struct perf_evsel_config_term **err_term)
-{
-	struct perf_evsel *evsel;
-	int err = 0;
-
-	evlist__for_each_entry(evlist, evsel) {
-		err = perf_evsel__apply_drv_configs(evsel, err_term);
-		if (err) {
-			*err_evsel = evsel;
-			break;
-		}
-	}
-
-	return err;
-}
diff --git a/tools/perf/util/drv_configs.h b/tools/perf/util/drv_configs.h
deleted file mode 100644
index 32bc9babc2e0..000000000000
--- a/tools/perf/util/drv_configs.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * drv_configs.h: Interface to apply PMU specific configuration
- * Copyright (c) 2016-2018, Linaro Ltd.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- */
-
-#ifndef __PERF_DRV_CONFIGS_H
-#define __PERF_DRV_CONFIGS_H
-
-#include "drv_configs.h"
-#include "evlist.h"
-#include "evsel.h"
-
-int perf_evlist__apply_drv_configs(struct perf_evlist *evlist,
-				   struct perf_evsel **err_evsel,
-				   struct perf_evsel_config_term **term);
-#endif
diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h
index 1c12a61ed0dc..47253c3daf55 100644
--- a/tools/perf/util/pmu.h
+++ b/tools/perf/util/pmu.h
@@ -31,7 +31,6 @@ struct perf_pmu {
 	struct list_head format;  /* HEAD struct perf_pmu_format -> list */
 	struct list_head aliases; /* HEAD struct perf_pmu_alias -> list */
 	struct list_head list;    /* ELEM */
-	int (*set_drv_config)	(struct perf_evsel_config_term *term);
 };
 
 struct perf_pmu_info {