From nobody Thu Dec 18 06:16:09 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id ACA31C83F04 for ; Fri, 25 Aug 2023 23:41:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230197AbjHYXka (ORCPT ); Fri, 25 Aug 2023 19:40:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42412 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231361AbjHYXkC (ORCPT ); Fri, 25 Aug 2023 19:40:02 -0400 Received: from mail-yb1-xb49.google.com (mail-yb1-xb49.google.com [IPv6:2607:f8b0:4864:20::b49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AEB082D72 for ; Fri, 25 Aug 2023 16:39:36 -0700 (PDT) Received: by mail-yb1-xb49.google.com with SMTP id 3f1490d57ef6-d780a0d3cefso1834368276.0 for ; Fri, 25 Aug 2023 16:39:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1693006774; x=1693611574; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=7aV7w0V21TeD8O9lx9J/kLPCQZ4fZ7EMNLpfS0Aue3E=; b=GVYu7ijOZ7ZT+xY+UPkvyjNQcuDD1KSsf0Qu+Id3NgMOO8BFowHFeZq/mWl44Sa8wg oRfsE086eMwryEq/fupeabtL3m8xfLrrB2oamvS/O5lvdr/ZEehM9K0SW+0iq6WgEjlM 38rtnLYRUSmhj4BKde8TvEHmbi3VnrhIc76AmWosAbFs12XsxLHmPIZbjAd3KOSEY942 U9ajPvEZ/SEJf0+59TMi4sfpQ9YP9vbWH8cEUIaiIR6EWRG3sIHD72TqhawvaGCvzEu8 NJmUhom8BLp6WoozJyr/s06CsxlsUlq9sxP4EhUe+IN5cpdOrVau/PD9RSAc3g55VfOw mdPA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1693006774; x=1693611574; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=7aV7w0V21TeD8O9lx9J/kLPCQZ4fZ7EMNLpfS0Aue3E=; b=ZZAjHCjwIkVxNIHJIIoa3ASOKN2Rm6CX/AAVupJErrrfnqnKJJc3jnOJhJUKywB0JE itLngcg2GcsEAZjyOUxYYIfFE+kLyNc9/HkSWex5t/Ta4b0Mk5HBfcvyTRXUuhhrmftb Wn3sjDWyw8Ad2rPLts+kia82ahKzvx9513FJc98PMHy/5OXd0X/Gff8c89SWdE2EbfWS LGjY8v1JyJQh4iL88yUEHq9y9vHhdgUCciKr/JyrHxcbrzuH1g79HteGtPR6q+FeYGAY itqjzULNB+8ouDHQVAWM4Y+8YpKkCxv28YNYjndlSvJyJqz5SvkandTmYHbHgsF/26Om rO8Q== X-Gm-Message-State: AOJu0Yzd3eoNnOo+Nj1D+3cyr5QzGFCWYL801rDiQGTp1rtMTi/zDiK+ hWCYADg0ve9rfVbzTkd5ewJqHDo7TA== X-Google-Smtp-Source: AGHT+IETlHmSjwJaM0AbmFP5PNi9j2E8KNwZHzi0fdSgcb/bfCO+qDMRXGD68g/LBc4tikN9NPbAK+0u8lE= X-Received: from yabinc-desktop.mtv.corp.google.com ([2620:15c:211:202:4739:860d:b144:6102]) (user=yabinc job=sendgmr) by 2002:a25:e757:0:b0:d0b:c67:de3b with SMTP id e84-20020a25e757000000b00d0b0c67de3bmr508497ybh.13.1693006774139; Fri, 25 Aug 2023 16:39:34 -0700 (PDT) Date: Fri, 25 Aug 2023 16:39:30 -0700 Mime-Version: 1.0 X-Mailer: git-send-email 2.42.0.rc1.204.g551eb34607-goog Message-ID: <20230825233930.1875819-1-yabinc@google.com> Subject: [PATCH] coresight: tmc-etr: Don't fail probe when non-secure access is disabled From: Yabin Cui To: Suzuki K Poulose , Mike Leach , James Clark , Leo Yan Cc: Alexander Shishkin , coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Yabin Cui Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Because the non-secure access can be enabled later on some devices. Signed-off-by: Yabin Cui --- drivers/hwtracing/coresight/coresight-tmc-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hwtracing/coresight/coresight-tmc-core.c b/drivers/hwt= racing/coresight/coresight-tmc-core.c index c106d142e632..5ebfd12b627b 100644 --- a/drivers/hwtracing/coresight/coresight-tmc-core.c +++ b/drivers/hwtracing/coresight/coresight-tmc-core.c @@ -370,7 +370,7 @@ static int tmc_etr_setup_caps(struct device *parent, u3= 2 devid, void *dev_caps) struct tmc_drvdata *drvdata =3D dev_get_drvdata(parent); =20 if (!tmc_etr_has_non_secure_access(drvdata)) - return -EACCES; + dev_warn(parent, "TMC ETR doesn't have non-secure access\n"); =20 /* Set the unadvertised capabilities */ tmc_etr_init_caps(drvdata, (u32)(unsigned long)dev_caps); --=20 2.42.0.rc1.204.g551eb34607-goog