/* * intel-bts.h: Intel Processor Trace support * Copyright (c) 2013-2014, Intel Corporation. * * 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 INCLUDE__PERF_INTEL_BTS_H__ #define INCLUDE__PERF_INTEL_BTS_H__ #define INTEL_BTS_PMU_NAME "intel_bts" enum { INTEL_BTS_PMU_TYPE, INTEL_BTS_TIME_SHIFT, INTEL_BTS_TIME_MULT, INTEL_BTS_TIME_ZERO, INTEL_BTS_CAP_USER_TIME_ZERO, INTEL_BTS_SNAPSHOT_MODE, INTEL_BTS_AUXTRACE_PRIV_MAX, }; #define INTEL_BTS_AUXTRACE_PRIV_SIZE (INTEL_BTS_AUXTRACE_PRIV_MAX * sizeof(u64)) struct auxtrace_record; struct perf_tool; union perf_event; struct perf_session; struct auxtrace_record *intel_bts_recording_init(int *err); int intel_bts_process_auxtrace_info(union perf_event *event, struct perf_session *session); #endif ion value='nds-private-remove' selected='selected'>nds-private-remove net-next plumbingsTobias Klauser
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authorJisheng Zhang <jszhang@marvell.com>2016-11-10 17:21:29 +0800
committerMark Brown <broonie@kernel.org>2016-11-11 15:38:08 +0000
commit09f2ba0b0b7c44ecea49cf69a708203b76ba5535 (patch)
tree042df33ac99f77d8b86ac427431e267c33561c35 /tools/lib/traceevent/kbuffer.h
parent1001354ca34179f3db924eb66672442a173147dc (diff)
regulator: gpio: properly check return value of of_get_named_gpio
The function of_get_named_gpio() could return -ENOENT, -EPROBE_DEFER -EINVAL and so on. Currently, for the optional property "enable-gpio", we only check -EPROBE_DEFER, this is not enough since there may be misconfigured "enable-gpio" in the DTB, of_get_named_gpio() will return -EINVAL in this case, we should return immediately here. And for the optional property "gpios", we didn't check the return value, the driver will continue to the point where gpio_request_array() is called, it doesn't make sense to continue if we got -EPROBE_DEFER or -EINVAL here. This patch tries to address these two issues by properly checking the return value of of_get_named_gpio. Signed-off-by: Jisheng Zhang <jszhang@marvell.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'tools/lib/traceevent/kbuffer.h')