From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 04425C43333 for ; Wed, 23 Dec 2020 10:05:28 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id AAB832247F for ; Wed, 23 Dec 2020 10:05:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AAB832247F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:MIME-Version:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:References:In-Reply-To:Message-Id:Date:Subject:To: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=CZEeKy7+Bal/v8ivzKMjq1f9NveYmZDQUayLaFyH5QA=; b=u07tF125EfBH1lglzQ7ZOUEY1E GbAfq7B6T3pdmn5NitlSC7OWlm8leP/2XVhoLx8PzM83JpwTFnYEgAmuBbwJePe/NbFJj52pqTB9G q1a0ZMOkHCRmZXOm67PeWtbV8L3bQuVmcyPX3+Onir8ZwNqLLzGqAY1TiyNDDhDGSzUr6NzuqdXo7 KV6rbHTX8XVsy7TToYLHbcGldm6SqcuhamL1x5wHl4+H7sTXuHZsA4ib+BgFUAyQpvl960S98pU0p SLvx0MycNTAXeSDGd65s7JY43n9Jysx6Amf/ThcOIMOI3NbIhJr7TO36LvFhB6o0+LaVduz9JQOYH i0+jn5/A==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1ks0zu-0001ge-ER; Wed, 23 Dec 2020 10:03:58 +0000 Received: from foss.arm.com ([217.140.110.172]) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1ks0zl-0001eL-LZ for linux-arm-kernel@lists.infradead.org; Wed, 23 Dec 2020 10:03:50 +0000 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 8274A11D4; Wed, 23 Dec 2020 02:03:47 -0800 (PST) Received: from p8cg001049571a15.blr.arm.com (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 4D55C3F718; Wed, 23 Dec 2020 02:03:44 -0800 (PST) From: Anshuman Khandual To: linux-arm-kernel@lists.infradead.org, coresight@lists.linaro.org Subject: [PATCH 02/11] coresight: Do not scan for graph if none is present Date: Wed, 23 Dec 2020 15:33:34 +0530 Message-Id: <1608717823-18387-3-git-send-email-anshuman.khandual@arm.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1608717823-18387-1-git-send-email-anshuman.khandual@arm.com> References: <1608717823-18387-1-git-send-email-anshuman.khandual@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201223_050349_798019_59EED168 X-CRM114-Status: GOOD ( 13.13 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mathieu Poirier , Suzuki K Poulose , Anshuman Khandual , linux-kernel@vger.kernel.org, Linu Cherian , Mike Leach MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Suzuki K Poulose If a graph node is not found for a given node, of_get_next_endpoint() will emit the following error message : OF: graph: no port node found in / If the given component doesn't have any explicit connections (e.g, ETE) we could simply ignore the graph parsing. Cc: Mathieu Poirier Cc: Mike Leach Signed-off-by: Suzuki K Poulose Signed-off-by: Anshuman Khandual --- drivers/hwtracing/coresight/coresight-platform.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/hwtracing/coresight/coresight-platform.c b/drivers/hwtracing/coresight/coresight-platform.c index 3629b78..c594f45 100644 --- a/drivers/hwtracing/coresight/coresight-platform.c +++ b/drivers/hwtracing/coresight/coresight-platform.c @@ -90,6 +90,12 @@ static void of_coresight_get_ports_legacy(const struct device_node *node, struct of_endpoint endpoint; int in = 0, out = 0; + /* + * Avoid warnings in of_graph_get_next_endpoint() + * if the device doesn't have any graph connections + */ + if (!of_graph_is_present(node)) + return; do { ep = of_graph_get_next_endpoint(node, ep); if (!ep) -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel