From: Leo Yan <leo.yan@arm.com>
To: Suzuki K Poulose <suzuki.poulose@arm.com>,
Mike Leach <mike.leach@linaro.org>,
James Clark <james.clark@linaro.org>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Cc: Leo Yan <leo.yan@arm.com>
Subject: [PATCH] coresight: etm4x: Remove redundant claim register setting
Date: Thu, 1 May 2025 11:42:16 +0100 [thread overview]
Message-ID: <20250501104216.2375126-1-leo.yan@arm.com> (raw)
The claim register is set twice in the restore flow; remove the
duplicate operation.
Signed-off-by: Leo Yan <leo.yan@arm.com>
---
drivers/hwtracing/coresight/coresight-etm4x-core.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c b/drivers/hwtracing/coresight/coresight-etm4x-core.c
index 5c20ed4cf4ed..228317991ec2 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x-core.c
+++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c
@@ -1958,8 +1958,6 @@ static void __etm4_cpu_restore(struct etmv4_drvdata *drvdata)
if (drvdata->numvmidc > 4)
etm4x_relaxed_write32(csa, state->trcvmidcctlr0, TRCVMIDCCTLR1);
- etm4x_relaxed_write32(csa, state->trcclaimset, TRCCLAIMSET);
-
if (!drvdata->skip_power_up)
etm4x_relaxed_write32(csa, state->trcpdcr, TRCPDCR);
--
2.34.1
next reply other threads:[~2025-05-01 10:42 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-01 10:42 Leo Yan [this message]
2025-05-01 10:54 ` [PATCH] coresight: etm4x: Remove redundant claim register setting James Clark
2025-05-01 11:45 ` Leo Yan
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