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=-17.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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 D1ECBC433B4 for ; Wed, 5 May 2021 16:44:01 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (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 8BB7561429 for ; Wed, 5 May 2021 16:44:01 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8BB7561429 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org 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=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:Cc:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=W6dv+Js8MnoG9XLb7hxUDxFTrHboqIGx2+mYQ4vagCM=; b=ldmY5NPUZ9oTwuVtuX4/E3WVY eVqwhXt3pUMwhS5Oc+67ZUIidrTqu/CIKa0SFrkEPLyW2lNkR2kZA2I78NO3bm/stU1OsZnO46b3A OKMPyVIO8/0v863kEbJ8D1BV75EbmG/S7+YQ9C5nBuVSIKuSYtMHqIj4cHiOpShrb10it8IOg123w oWMG96V2zP/+k76udtX7LA+ch8eeXqbAV/uOuwrPQx+HUmWVJuS1lkgR2ouJR/e6d+AAw+uX+01li m3iBeaPQu+/1euTnWDlMz9B4tseEPb3SMT8GWVbzbNFRG9+5TzuInUj5FIYYuwCDNkIQbx7bXyvSu NsTv8En5w==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1leKbJ-001iTe-IR; Wed, 05 May 2021 16:42:18 +0000 Received: from bombadil.infradead.org ([2607:7c80:54:e::133]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1leKUa-001fXN-7x for linux-arm-kernel@desiato.infradead.org; Wed, 05 May 2021 16:35:20 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=JWrNySf9rUTwhVaHUj0w9u47JeX5ZBUB68S6JDWi50M=; b=pwTivqBcyzgWQE8BeTfbdXlwH1 n6R5Ka3l3o2+0jmxWi98u3+q8wTXx01wDaowMR9+O+Vx7m81xT922+hPunO2Y2LApfnGaKi2j5ufl tua94Gw660V1E/QN9qQz+O3sKtWjMDTp/pg4BK4nWQWjGxmI0gRiSmLkunR1he9Dn6S1kt1kdDULR X4scYwMSe3WNkPGvUeavYCKDzTWL0qFhSxy6FNjcCAiRNiTM/4fV2rNTS1EV2N3SHi2s/mmN/A6n4 1hLnfGs0HOB+MmmzvrmYVH2DYFxPxi9Sk0/0gFQHZtWFkofWRlxBjFdx6nolm1rNzCKVaH4GtQUB+ jNg8zxVw==; Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1leKUX-004x0w-Jq for linux-arm-kernel@lists.infradead.org; Wed, 05 May 2021 16:35:19 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 06B2661423; Wed, 5 May 2021 16:35:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1620232517; bh=b3RxAnqZyvSpqfjl9rUegzuE+IJ21GBgWwQc2A7a/zk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vFCFE9D/YBidvBGpdmsqlJrINpCUvI2/XM8mILGhhowRga+3FN0o8ff/TINN24M9l XZAd4+PcX6z7YR9X+YnWRX30kBxsKu0pbdEX5MZf8+8PaDdeN4usPHDtCzZ4wF8qo1 DVWI4WEzAvYxmFthEss6JGmg3B0x1fkdZxJqs5l+96tZ8lgKSpiAFHfXnINGpVFsxx IUu51bEYoejZjg5qywg/o/Wgz3MezN0bbUOtEhWoUtUxJWVHB67czMA2jY0+ZSVif4 3XX6T5Qfpzg/0AU1jCpB4z0YHEQi28iDbsG4ScbUwqrhPYlKP2NCEpNv6S4pm6HlGm 0hukB2yxyY5dQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Suzuki K Poulose , Mike Leach , Leo Yan , Mathieu Poirier , Sasha Levin , coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH AUTOSEL 5.11 044/104] coresight: Do not scan for graph if none is present Date: Wed, 5 May 2021 12:33:13 -0400 Message-Id: <20210505163413.3461611-44-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210505163413.3461611-1-sashal@kernel.org> References: <20210505163413.3461611-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210505_093517_688339_0143081B X-CRM114-Status: GOOD ( 12.60 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 [ Upstream commit 2b921b671a8d29c2adb255a86409aad1e3267309 ] 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. As for any legacy component where this is mandatory, the device will not be usable as before this patch. Updating the DT bindings to Yaml and enabling the schema checks can detect such issues with the DT. Cc: Mike Leach Cc: Leo Yan Signed-off-by: Suzuki K Poulose Link: https://lore.kernel.org/r/20210405164307.1720226-11-suzuki.poulose@arm.com Signed-off-by: Mathieu Poirier Signed-off-by: Sasha Levin --- 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 3629b7885aca..c594f45319fc 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) -- 2.30.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel