From patchwork Mon Mar 27 05:05:37 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anshuman Khandual X-Patchwork-Id: 667947 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 BB3A1C7619A for ; Mon, 27 Mar 2023 05:07:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232144AbjC0FHM (ORCPT ); Mon, 27 Mar 2023 01:07:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53078 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231987AbjC0FGq (ORCPT ); Mon, 27 Mar 2023 01:06:46 -0400 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 4F6544EE6; Sun, 26 Mar 2023 22:06:35 -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 5527AC14; Sun, 26 Mar 2023 22:07:19 -0700 (PDT) Received: from a077893.blr.arm.com (a077893.blr.arm.com [10.162.42.7]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id D60CC3F73F; Sun, 26 Mar 2023 22:06:28 -0700 (PDT) From: Anshuman Khandual To: linux-arm-kernel@lists.infradead.org, coresight@lists.linaro.org, suzuki.poulose@arm.com Cc: scclevenger@os.amperecomputing.com, Anshuman Khandual , Rob Herring , Frank Rowand , Russell King , Greg Kroah-Hartman , "Rafael J. Wysocki" , Len Brown , Sudeep Holla , Lorenzo Pieralisi , Mathieu Poirier , Mike Leach , Leo Yan , devicetree@vger.kernel.org, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH V2 5/5] coresight: etm4x: Add ACPI support in platform driver Date: Mon, 27 Mar 2023 10:35:37 +0530 Message-Id: <20230327050537.30861-6-anshuman.khandual@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230327050537.30861-1-anshuman.khandual@arm.com> References: <20230327050537.30861-1-anshuman.khandual@arm.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org From: Suzuki Poulose Drop ETM4X ACPI ID from the AMBA ACPI device list, and instead just move it inside the new ACPI devices list detected and used via platform driver. Cc: "Rafael J. Wysocki" Cc: Len Brown Cc: Mathieu Poirier Cc: Suzuki K Poulose Cc: Mike Leach Cc: Leo Yan Cc: Sudeep Holla Cc: Lorenzo Pieralisi Cc: linux-acpi@vger.kernel.org Cc: coresight@lists.linaro.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Suzuki Poulose Signed-off-by: Anshuman Khandual --- drivers/acpi/acpi_amba.c | 1 - drivers/hwtracing/coresight/coresight-etm4x-core.c | 10 ++++++++++ 2 files changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/acpi/acpi_amba.c b/drivers/acpi/acpi_amba.c index f5b443ab01c2..099966cbac5a 100644 --- a/drivers/acpi/acpi_amba.c +++ b/drivers/acpi/acpi_amba.c @@ -22,7 +22,6 @@ static const struct acpi_device_id amba_id_list[] = { {"ARMH0061", 0}, /* PL061 GPIO Device */ {"ARMH0330", 0}, /* ARM DMA Controller DMA-330 */ - {"ARMHC500", 0}, /* ARM CoreSight ETM4x */ {"ARMHC501", 0}, /* ARM CoreSight ETR */ {"ARMHC502", 0}, /* ARM CoreSight STM */ {"ARMHC503", 0}, /* ARM CoreSight Debug */ diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c b/drivers/hwtracing/coresight/coresight-etm4x-core.c index bef205023bbe..56f7c59eef80 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x-core.c +++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c @@ -3,6 +3,7 @@ * Copyright (c) 2014, The Linux Foundation. All rights reserved. */ +#include #include #include #include @@ -2343,12 +2344,21 @@ static const struct of_device_id etm4_match[] = { {} }; +#ifdef CONFIG_ACPI +static const struct acpi_device_id etm4x_acpi_ids[] = { + {"ARMHC500", 0}, /* ARM CoreSight ETM4x */ + {} +}; +MODULE_DEVICE_TABLE(acpi, etm4x_acpi_ids); +#endif + static struct platform_driver etm4_platform_driver = { .probe = etm4_probe_platform_dev, .remove = etm4_remove_platform_dev, .driver = { .name = "coresight-etm4x", .of_match_table = etm4_match, + .acpi_match_table = ACPI_PTR(etm4x_acpi_ids), .suppress_bind_attrs = true, .pm = &etm4_dev_pm_ops, },