From nobody Sun Oct 5 18:20:48 2025 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id B349C2D29CD for ; Thu, 31 Jul 2025 12:24:09 +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=1753964651; cv=none; b=Ud0QajEyjPJZMquAtLvdygaA6r3nHUsvuAF9HnfGjZU1dFc90WWt2bZU9GQ3Etc5tA22A5y7ZRq/vC0gzwSU4okWTfgnBJ3224Xj55PiTIdoB8mx/nDCOgACVDZQmx1Xi1FMCbK7r0971X/hnLT2oBHKmcowM27HA8s2cLoOf+c= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753964651; c=relaxed/simple; bh=hUNNDqo+LmdjplLN1Qs0GpR2ElWB0UTaFBEJRK7T2lM=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=I1OfwJwauCYU/uCo/ojjiwUWRsj/ikTrt8Eg07VRIYXR/sAO1b+wytbkiOy7UPlFux0eNOHCq44+TQce8YtlAYM5G5UkEYWN9tzps5q6tBO9Q7o3yy7r3DzMOjNKTghypFsR/fAqYayoEWP1j8mjNdIf05y6Dlg7JRVkciTlx3I= 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 807CA1D13; Thu, 31 Jul 2025 05:24:01 -0700 (PDT) Received: from e132581.arm.com (e132581.arm.com [10.1.196.87]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id E083D3F673; Thu, 31 Jul 2025 05:24:07 -0700 (PDT) From: Leo Yan Date: Thu, 31 Jul 2025 13:23:45 +0100 Subject: [PATCH v6 09/10] coresight: Make clock sequence consistent Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250731-arm_cs_fix_clock_v4-v6-9-1dfe10bb3f6f@arm.com> References: <20250731-arm_cs_fix_clock_v4-v6-0-1dfe10bb3f6f@arm.com> In-Reply-To: <20250731-arm_cs_fix_clock_v4-v6-0-1dfe10bb3f6f@arm.com> To: Suzuki K Poulose , Mike Leach , James Clark , Anshuman Khandual , Yeoreum Yun , Alexander Shishkin , Greg Kroah-Hartman , Mark Brown Cc: coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Leo Yan X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1753964630; l=3627; i=leo.yan@arm.com; s=20250604; h=from:subject:message-id; bh=hUNNDqo+LmdjplLN1Qs0GpR2ElWB0UTaFBEJRK7T2lM=; b=cRxxCaOZZn020ZP3iHeKereoVlmsb5BdEtQ6D4oXFw7xIm1/dob3SZ2R3hErmcJ48LfBwH4on TptpQN6rRxmAKtGI+yycaOvCCenfoRgdhDl/mUwkUklPhfW5iE/YluB X-Developer-Key: i=leo.yan@arm.com; a=ed25519; pk=k4BaDbvkCXzBFA7Nw184KHGP5thju8lKqJYIrOWxDhI= Since atclk is enabled after pclk during the probe phase, this commit maintains the same sequence for the runtime resume flow. Reviewed-by: Anshuman Khandual Reviewed-by: Yeoreum Yun Tested-by: James Clark Signed-off-by: Leo Yan --- drivers/hwtracing/coresight/coresight-funnel.c | 6 +++--- drivers/hwtracing/coresight/coresight-replicator.c | 6 +++--- drivers/hwtracing/coresight/coresight-stm.c | 6 +++--- drivers/hwtracing/coresight/coresight-tpiu.c | 6 +++--- 4 files changed, 12 insertions(+), 12 deletions(-) diff --git a/drivers/hwtracing/coresight/coresight-funnel.c b/drivers/hwtra= cing/coresight/coresight-funnel.c index 02e0dc678a32c3b1f32fc955bf8871142e3412e1..9dcfc5ce8845d9e01bb956dddab= 0d64de51ec397 100644 --- a/drivers/hwtracing/coresight/coresight-funnel.c +++ b/drivers/hwtracing/coresight/coresight-funnel.c @@ -297,11 +297,11 @@ static int funnel_runtime_resume(struct device *dev) { struct funnel_drvdata *drvdata =3D dev_get_drvdata(dev); =20 - if (drvdata && !IS_ERR(drvdata->atclk)) - clk_prepare_enable(drvdata->atclk); - if (drvdata && !IS_ERR_OR_NULL(drvdata->pclk)) clk_prepare_enable(drvdata->pclk); + + if (drvdata && !IS_ERR(drvdata->atclk)) + clk_prepare_enable(drvdata->atclk); return 0; } #endif diff --git a/drivers/hwtracing/coresight/coresight-replicator.c b/drivers/h= wtracing/coresight/coresight-replicator.c index f1bbd12e63e0c130f945d8df34fb2334bd21336f..e53095603b0c0419bc96a66b23d= 15bb54e75e634 100644 --- a/drivers/hwtracing/coresight/coresight-replicator.c +++ b/drivers/hwtracing/coresight/coresight-replicator.c @@ -335,11 +335,11 @@ static int replicator_runtime_resume(struct device *d= ev) { struct replicator_drvdata *drvdata =3D dev_get_drvdata(dev); =20 - if (drvdata && !IS_ERR(drvdata->atclk)) - clk_prepare_enable(drvdata->atclk); - if (drvdata && !IS_ERR_OR_NULL(drvdata->pclk)) clk_prepare_enable(drvdata->pclk); + + if (drvdata && !IS_ERR(drvdata->atclk)) + clk_prepare_enable(drvdata->atclk); return 0; } #endif diff --git a/drivers/hwtracing/coresight/coresight-stm.c b/drivers/hwtracin= g/coresight/coresight-stm.c index 23ba33ac4d2ed8d63f1e0fb922e7f6e44de86cd1..7b1e289f17ab2000816d8641fe0= a79759452d3b4 100644 --- a/drivers/hwtracing/coresight/coresight-stm.c +++ b/drivers/hwtracing/coresight/coresight-stm.c @@ -969,11 +969,11 @@ static int stm_runtime_resume(struct device *dev) { struct stm_drvdata *drvdata =3D dev_get_drvdata(dev); =20 - if (drvdata && !IS_ERR(drvdata->atclk)) - clk_prepare_enable(drvdata->atclk); - if (drvdata && !IS_ERR_OR_NULL(drvdata->pclk)) clk_prepare_enable(drvdata->pclk); + + if (drvdata && !IS_ERR(drvdata->atclk)) + clk_prepare_enable(drvdata->atclk); return 0; } #endif diff --git a/drivers/hwtracing/coresight/coresight-tpiu.c b/drivers/hwtraci= ng/coresight/coresight-tpiu.c index 5e47d761e1c4e99072eeb492c1eac7dd4285a591..1c5c2a82971490888c45508c68b= 516ab7dbf3eeb 100644 --- a/drivers/hwtracing/coresight/coresight-tpiu.c +++ b/drivers/hwtracing/coresight/coresight-tpiu.c @@ -218,11 +218,11 @@ static int tpiu_runtime_resume(struct device *dev) { struct tpiu_drvdata *drvdata =3D dev_get_drvdata(dev); =20 - if (drvdata && !IS_ERR(drvdata->atclk)) - clk_prepare_enable(drvdata->atclk); - if (drvdata && !IS_ERR_OR_NULL(drvdata->pclk)) clk_prepare_enable(drvdata->pclk); + + if (drvdata && !IS_ERR(drvdata->atclk)) + clk_prepare_enable(drvdata->atclk); return 0; } #endif --=20 2.34.1