From nobody Thu Sep 11 22:47:14 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 C51EEC04A6A for ; Tue, 8 Aug 2023 19:18:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235988AbjHHTS5 (ORCPT ); Tue, 8 Aug 2023 15:18:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53392 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235971AbjHHTSW (ORCPT ); Tue, 8 Aug 2023 15:18:22 -0400 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 3F2FF15B9E for ; Tue, 8 Aug 2023 09:41:10 -0700 (PDT) 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 CDA3B14BF; Tue, 8 Aug 2023 01:24:00 -0700 (PDT) Received: from a077893.blr.arm.com (unknown [10.162.40.16]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id E78953F64C; Tue, 8 Aug 2023 01:23:13 -0700 (PDT) From: Anshuman Khandual To: linux-arm-kernel@lists.infradead.org, suzuki.poulose@arm.com Cc: yangyicong@huawei.com, Anshuman Khandual , Sami Mujawar , Catalin Marinas , Will Deacon , Mark Rutland , Mike Leach , Leo Yan , Alexander Shishkin , James Clark , coresight@lists.linaro.org, linux-kernel@vger.kernel.org Subject: [PATCH V4 4/4] coresight: trbe: Enable ACPI based TRBE devices Date: Tue, 8 Aug 2023 13:52:47 +0530 Message-Id: <20230808082247.383405-5-anshuman.khandual@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230808082247.383405-1-anshuman.khandual@arm.com> References: <20230808082247.383405-1-anshuman.khandual@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" This detects and enables ACPI based TRBE devices via the dummy platform device created earlier for this purpose. Cc: Suzuki K Poulose Cc: Mike Leach Cc: Leo Yan Cc: Alexander Shishkin Cc: coresight@lists.linaro.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Anshuman Khandual --- drivers/hwtracing/coresight/coresight-trbe.c | 9 +++++++++ drivers/hwtracing/coresight/coresight-trbe.h | 2 ++ 2 files changed, 11 insertions(+) diff --git a/drivers/hwtracing/coresight/coresight-trbe.c b/drivers/hwtraci= ng/coresight/coresight-trbe.c index 9455d62ca620..9c59e2652b20 100644 --- a/drivers/hwtracing/coresight/coresight-trbe.c +++ b/drivers/hwtracing/coresight/coresight-trbe.c @@ -1548,7 +1548,16 @@ static const struct of_device_id arm_trbe_of_match[]= =3D { }; MODULE_DEVICE_TABLE(of, arm_trbe_of_match); =20 +#ifdef CONFIG_ACPI +static const struct platform_device_id arm_trbe_acpi_match[] =3D { + { ARMV8_TRBE_PDEV_NAME, 0 }, + { } +}; +MODULE_DEVICE_TABLE(platform, arm_trbe_acpi_match); +#endif + static struct platform_driver arm_trbe_driver =3D { + .id_table =3D ACPI_PTR(arm_trbe_acpi_match), .driver =3D { .name =3D DRVNAME, .of_match_table =3D of_match_ptr(arm_trbe_of_match), diff --git a/drivers/hwtracing/coresight/coresight-trbe.h b/drivers/hwtraci= ng/coresight/coresight-trbe.h index 77cbb5c63878..fce1735d5c58 100644 --- a/drivers/hwtracing/coresight/coresight-trbe.h +++ b/drivers/hwtracing/coresight/coresight-trbe.h @@ -7,11 +7,13 @@ * * Author: Anshuman Khandual */ +#include #include #include #include #include #include +#include #include #include =20 --=20 2.25.1