From: James Clark <james.clark@linaro.org>
To: Suzuki K Poulose <suzuki.poulose@arm.com>,
Mike Leach <mike.leach@linaro.org>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Jonathan Corbet <corbet@lwn.net>, Leo Yan <leo.yan@arm.com>
Cc: coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org,
James Clark <james.clark@linaro.org>
Subject: [PATCH v4 01/13] coresight: Change syncfreq to be a u8
Date: Wed, 12 Nov 2025 15:22:07 +0000 [thread overview]
Message-ID: <20251112-james-cs-syncfreq-v4-1-165ba21401dc@linaro.org> (raw)
In-Reply-To: <20251112-james-cs-syncfreq-v4-0-165ba21401dc@linaro.org>
TRCSYNCPR.PERIOD is the only functional part of TRCSYNCPR and it only
has 5 valid bits so it can be stored in a u8.
Reviewed-by: Mike Leach <mike.leach@linaro.org>
Signed-off-by: James Clark <james.clark@linaro.org>
---
drivers/hwtracing/coresight/coresight-etm4x.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/hwtracing/coresight/coresight-etm4x.h b/drivers/hwtracing/coresight/coresight-etm4x.h
index 8d4a1f0f1e52..56a359184c6f 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x.h
+++ b/drivers/hwtracing/coresight/coresight-etm4x.h
@@ -826,7 +826,6 @@ struct etmv4_config {
u32 eventctrl1;
u32 stall_ctrl;
u32 ts_ctrl;
- u32 syncfreq;
u32 ccctlr;
u32 bb_ctrl;
u32 vinst_ctrl;
@@ -834,6 +833,7 @@ struct etmv4_config {
u32 vissctlr;
u32 vipcssctlr;
u8 seq_idx;
+ u8 syncfreq;
u32 seq_ctrl[ETM_MAX_SEQ_STATES];
u32 seq_rst;
u32 seq_state;
--
2.34.1
next prev parent reply other threads:[~2025-11-12 15:22 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-12 15:22 [PATCH v4 00/13] coresight: Update timestamp attribute to be an interval instead of bool James Clark
2025-11-12 15:22 ` James Clark [this message]
2025-11-14 12:20 ` [PATCH v4 01/13] coresight: Change syncfreq to be a u8 Leo Yan
2025-11-12 15:22 ` [PATCH v4 02/13] coresight: Repack struct etmv4_drvdata James Clark
2025-11-12 15:22 ` [PATCH v4 03/13] coresight: Refactor etm4_config_timestamp_event() James Clark
2025-11-12 15:22 ` [PATCH v4 04/13] coresight: Hide unused ETMv3 format attributes James Clark
2025-11-14 14:55 ` Leo Yan
2025-11-18 14:56 ` James Clark
2025-11-12 15:22 ` [PATCH v4 05/13] coresight: Define format attributes with GEN_PMU_FORMAT_ATTR() James Clark
2025-11-14 15:03 ` Leo Yan
2025-11-12 15:22 ` [PATCH v4 06/13] coresight: Interpret ETMv3 config with ATTR_CFG_GET_FLD() James Clark
2025-11-14 15:07 ` Leo Yan
2025-11-12 15:22 ` [PATCH v4 07/13] coresight: Don't reject unrecognized ETMv3 format attributes James Clark
2025-11-14 15:18 ` Leo Yan
2025-11-14 15:21 ` James Clark
2025-11-12 15:22 ` [PATCH v4 08/13] coresight: Interpret perf config with ATTR_CFG_GET_FLD() James Clark
2025-11-14 15:30 ` Leo Yan
2025-11-14 15:34 ` James Clark
2025-11-14 15:41 ` Leo Yan
2025-11-12 15:22 ` [PATCH v4 09/13] coresight: Interpret ETMv4 " James Clark
2025-11-14 16:09 ` Leo Yan
2025-11-12 15:22 ` [PATCH v4 10/13] coresight: Remove misleading definitions James Clark
2025-11-14 16:23 ` Leo Yan
2025-11-12 15:22 ` [PATCH v4 11/13] coresight: Extend width of timestamp format attribute James Clark
2025-11-14 17:10 ` Leo Yan
2025-11-12 15:22 ` [PATCH v4 12/13] coresight: Allow setting the timestamp interval James Clark
2025-11-12 15:22 ` [PATCH v4 13/13] coresight: docs: Document etm4x timestamp interval option James Clark
2025-11-14 5:02 ` Randy Dunlap
2025-11-14 9:59 ` James Clark
2025-11-14 18:05 ` Leo Yan
2025-11-18 16:15 ` James Clark
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