linux-kernel - [PATCH 0/4] Coresight TMC-ETR some bugfixes and cleanups

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Message-ID: <20250418055820.3689408-1-hejunhao3@huawei.com>
Date: Fri, 18 Apr 2025 13:58:16 +0800
From: Junhao He <hejunhao3@...wei.com>
To: <suzuki.poulose@....com>, <james.clark@....com>,
	<anshuman.khandual@....com>, <mike.leach@...aro.org>, <leo.yan@....com>
CC: <coresight@...ts.linaro.org>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <linuxarm@...wei.com>,
	<jonathan.cameron@...wei.com>, <yangyicong@...wei.com>,
	<hejunhao3@...wei.com>
Subject: [PATCH 0/4] Coresight TMC-ETR some bugfixes and cleanups

This patchset builds upon Yicong's previous patches [1].

Introducing fix two race issues found by using TMC-ETR and CATU, Two
cleanups found when debugging the issues.

[1] https://lore.kernel.org/linux-arm-kernel/20241202092419.11777-1-yangyicong@huawei.com/

Junhao He (2):
  coresight: catu: add locking to catu enable/disable functions
  coresight: tmc: refactor the tmc-etr mode setting

Yicong Yang (2):
  coresight: tmc: Add missing doc of tmc_drvdata::reading
  coresight: tmc-etr: Decouple the perf buffer allocation from sysfs
    mode

 drivers/hwtracing/coresight/coresight-catu.c  |   6 +
 drivers/hwtracing/coresight/coresight-catu.h  |   1 +
 .../hwtracing/coresight/coresight-tmc-etr.c   | 106 +++++++++---------
 drivers/hwtracing/coresight/coresight-tmc.h   |   1 +
 4 files changed, 64 insertions(+), 50 deletions(-)

-- 
2.33.0