From: Junhao He <hejunhao3@huawei.com>
To: <suzuki.poulose@arm.com>, <james.clark@arm.com>,
<leo.yan@arm.com>, <anshuman.khandual@arm.com>
Cc: <coresight@lists.linaro.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <linuxarm@huawei.com>,
<jonathan.cameron@huawei.com>, <yangyicong@huawei.com>,
<prime.zeng@hisilicon.com>, <hejunhao3@huawei.com>
Subject: [PATCH v2 1/3] coresight: tmc: Add missing doc of tmc_drvdata::reading
Date: Fri, 20 Jun 2025 15:54:10 +0800 [thread overview]
Message-ID: <20250620075412.952934-2-hejunhao3@huawei.com> (raw)
In-Reply-To: <20250620075412.952934-1-hejunhao3@huawei.com>
From: Yicong Yang <yangyicong@hisilicon.com>
tmc_drvdata::reading is used to indicate whether a reading process
is performed through /dev/xyz.tmc. Document it.
Reviewed-by: James Clark <james.clark@linaro.org>
Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
Signed-off-by: Junhao He <hejunhao3@huawei.com>
---
drivers/hwtracing/coresight/coresight-tmc.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/hwtracing/coresight/coresight-tmc.h b/drivers/hwtracing/coresight/coresight-tmc.h
index 6541a27a018e..3ca0d40c580d 100644
--- a/drivers/hwtracing/coresight/coresight-tmc.h
+++ b/drivers/hwtracing/coresight/coresight-tmc.h
@@ -220,6 +220,7 @@ struct tmc_resrv_buf {
* @pid: Process ID of the process that owns the session that is using
* this component. For example this would be the pid of the Perf
* process.
+ * @reading: buffer's in the reading through "/dev/xyz.tmc" entry
* @stop_on_flush: Stop on flush trigger user configuration.
* @buf: Snapshot of the trace data for ETF/ETB.
* @etr_buf: details of buffer used in TMC-ETR
--
2.33.0
next prev parent reply other threads:[~2025-06-20 7:57 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-20 7:54 [PATCH v2 0/3] Coresight TMC-ETR some bugfixes and cleanups Junhao He
2025-06-20 7:54 ` Junhao He [this message]
2025-06-20 11:53 ` [PATCH v2 1/3] coresight: tmc: Add missing doc of tmc_drvdata::reading Jonathan Cameron
2025-07-01 13:38 ` hejunhao
2025-07-02 15:27 ` Leo Yan
2025-07-19 11:05 ` hejunhao
2025-06-20 7:54 ` [PATCH v2 2/3] coresight: tmc: refactor the tmc-etr mode setting to avoid race conditions Junhao He
2025-06-20 12:45 ` Jonathan Cameron
2025-07-01 13:35 ` hejunhao
2025-07-02 16:47 ` Leo Yan
2025-07-19 11:09 ` hejunhao
2025-06-20 7:54 ` [PATCH v2 3/3] coresight: tmc: Decouple the perf buffer allocation from sysfs mode Junhao He
2025-07-02 17:08 ` Leo Yan
2025-07-19 11:20 ` hejunhao
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