From nobody Mon Feb 9 19:53:14 2026 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4EFC61EE01F; Tue, 22 Apr 2025 08:45:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.176.79.56 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745311558; cv=none; b=p/xSgKe6dtA9TIKhe6Sx/D7Uv9jGf5ZqzBv2XtFC2/OOhxmJxBi8VqvgdjJxwv1QvFe8exVr90CWL6DDKEXRWEmDSSgdrun24QyZkFkN1QKcTs1S1b+rNc/im2gyHoj/AN8U9BJA6NbtKEWzfQgAiZJNPQSjYecniSD+npV0isE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745311558; c=relaxed/simple; bh=m4SCBTu6WuavCPl6m8tfaCMgYNX17NMKXBEztoh9e3o=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=DLBnb2eLykROcGaqfhRfUwYtStHj7A9gpOaRxOwNryQ2QVpvnq5py53+tRuqRM3vo+05uxovWZWbu/QBTH/8iquTmcMV6jiBWB/jybMrpWZtvDGTywtrZrOFql+Mw+FSFty9deeg2zFtOT/+SyZSNziRpEgzongbcXX13UMm6rc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=185.176.79.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.18.186.216]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4ZhbPp3Ncwz6L56K; Tue, 22 Apr 2025 16:44:14 +0800 (CST) Received: from frapeml500003.china.huawei.com (unknown [7.182.85.28]) by mail.maildlp.com (Postfix) with ESMTPS id 18F24140594; Tue, 22 Apr 2025 16:45:54 +0800 (CST) Received: from a2303103017.china.huawei.com (10.47.65.221) by frapeml500003.china.huawei.com (7.182.85.28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Tue, 22 Apr 2025 10:45:53 +0200 From: Alireza Sanaee To: CC: , , , , , , Subject: [PATCH v1 4/5] driver/hwtracing/coresight: Use of_cpu_phandle_to_id for grabbing CPU id. Date: Tue, 22 Apr 2025 09:43:39 +0100 Message-ID: <20250422084340.457-5-alireza.sanaee@huawei.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250422084340.457-1-alireza.sanaee@huawei.com> References: <20250422084340.457-1-alireza.sanaee@huawei.com> 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 X-ClientProxiedBy: lhrpeml500010.china.huawei.com (7.191.174.240) To frapeml500003.china.huawei.com (7.182.85.28) Content-Type: text/plain; charset="utf-8" Use the newly created API to grab CPU id. Signed-off-by: Alireza Sanaee --- .../hwtracing/coresight/coresight-cti-platform.c | 15 +++------------ drivers/hwtracing/coresight/coresight-platform.c | 14 ++------------ 2 files changed, 5 insertions(+), 24 deletions(-) diff --git a/drivers/hwtracing/coresight/coresight-cti-platform.c b/drivers= /hwtracing/coresight/coresight-cti-platform.c index d0ae10bf6128..6a6e84245112 100644 --- a/drivers/hwtracing/coresight/coresight-cti-platform.c +++ b/drivers/hwtracing/coresight/coresight-cti-platform.c @@ -41,21 +41,12 @@ */ static int of_cti_get_cpu_at_node(const struct device_node *node) { + struct device_node *dn =3D NULL; int cpu; - struct device_node *dn; =20 - if (node =3D=3D NULL) - return -1; - - dn =3D of_parse_phandle(node, "cpu", 0); - /* CTI affinity defaults to no cpu */ - if (!dn) - return -1; - cpu =3D of_cpu_node_to_id(dn); + cpu =3D of_cpu_phandle_to_id(node, dn,"cpu"); of_node_put(dn); - - /* No Affinity if no cpu nodes are found */ - return (cpu < 0) ? -1 : cpu; + return cpu; } =20 #else diff --git a/drivers/hwtracing/coresight/coresight-platform.c b/drivers/hwt= racing/coresight/coresight-platform.c index 8192ba3279f0..cb953f25da82 100644 --- a/drivers/hwtracing/coresight/coresight-platform.c +++ b/drivers/hwtracing/coresight/coresight-platform.c @@ -167,19 +167,9 @@ of_coresight_get_output_ports_node(const struct device= _node *node) =20 static int of_coresight_get_cpu(struct device *dev) { - int cpu; - struct device_node *dn; - - if (!dev->of_node) - return -ENODEV; - - dn =3D of_parse_phandle(dev->of_node, "cpu", 0); - if (!dn) - return -ENODEV; - - cpu =3D of_cpu_node_to_id(dn); + struct device_node *dn =3D NULL; + int cpu =3D of_cpu_phandle_to_id(dev->of_node, dn, "cpu"); of_node_put(dn); - return cpu; } =20 --=20 2.43.0