From nobody Sun Feb 8 12:14:26 2026 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 29F117405A for ; Thu, 1 May 2025 10:42:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746096145; cv=none; b=Ttn+akES3KzvRu98egDer/pZ8jFdfb2WRZRH5bM0fKibvJAtJBDOhaBXDDYBf9pa+H/1v62MlMkQ21H3gZ5Psk2PDKA6KJ78k9AxQFfdsVYR6PVefEPcc2/hzWs+BRcXd1moyU5bTL8ednjsus8m17Oy9qUfZqNSU/aZ2IJ9t0M= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746096145; c=relaxed/simple; bh=mybtwAHUCt1+RJrPHko4tTrPUoyxkIyYXMT7DGOMCWo=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=qp39fpJqbhOr8moL+iDERlwdOsX8sQyf0QkJIm9VqksBcftV1FBpbwJ9Ydr67ilasphrJVMT5tBIY4xd/1k+a/PJlnPgkXTZsntHkyrPuSA3m6yJ1THPC/A7Xp6WCX1OX4Pm1itujYgSV4oLsk8dVeMdZc+DtHi39Q/0LvvTJXQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id AA08B106F; Thu, 1 May 2025 03:42:15 -0700 (PDT) Received: from e132581.cambridge.arm.com (e132581.arm.com [10.1.196.87]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id E776B3F673; Thu, 1 May 2025 03:42:21 -0700 (PDT) From: Leo Yan To: Suzuki K Poulose , Mike Leach , James Clark , Alexander Shishkin , coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Leo Yan Subject: [PATCH] coresight: etm4x: Remove redundant claim register setting Date: Thu, 1 May 2025 11:42:16 +0100 Message-Id: <20250501104216.2375126-1-leo.yan@arm.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The claim register is set twice in the restore flow; remove the duplicate operation. Signed-off-by: Leo Yan Reviewed-by: James Clark --- 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/h= wtracing/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); =20 - etm4x_relaxed_write32(csa, state->trcclaimset, TRCCLAIMSET); - if (!drvdata->skip_power_up) etm4x_relaxed_write32(csa, state->trcpdcr, TRCPDCR); =20 --=20 2.34.1