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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6BCFDEB64D9 for ; Mon, 10 Jul 2023 16:40:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230162AbjGJQkH (ORCPT ); Mon, 10 Jul 2023 12:40:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44212 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229450AbjGJQkH (ORCPT ); Mon, 10 Jul 2023 12:40:07 -0400 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 966F793; Mon, 10 Jul 2023 09:40:04 -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 578312B; Mon, 10 Jul 2023 09:40:46 -0700 (PDT) Received: from [10.57.36.32] (unknown [10.57.36.32]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id ADC5E3F740; Mon, 10 Jul 2023 09:40:01 -0700 (PDT) Message-ID: <38f0c8f3-5fb3-a18a-456d-867da2998786@arm.com> Date: Mon, 10 Jul 2023 17:40:00 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.12.0 Subject: Re: [PATCH V6 6/6] coresight: etm4x: Add ACPI support in platform driver To: rafael@kernel.org, Len Brown Cc: Ganapatrao Kulkarni , Steve Clevenger , Rob Herring , Frank Rowand , Russell King , 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, Anshuman Khandual , linux-arm-kernel@lists.infradead.org, coresight@lists.linaro.org, gregkh@linuxfoundation.org References: <20230710062500.45147-1-anshuman.khandual@arm.com> <20230710062500.45147-7-anshuman.khandual@arm.com> From: Suzuki K Poulose In-Reply-To: <20230710062500.45147-7-anshuman.khandual@arm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Rafael, Len On 10/07/2023 07:25, Anshuman Khandual wrote: > From: Suzuki K 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 > Reviewed-by: Sudeep Holla (for ACPI specific changes) > Signed-off-by: Suzuki K Poulose > Signed-off-by: Anshuman Khandual We would like to queue this via coresight tree. The acpi_amba bits have been reviewed by Sudeep. Please could you give us an Ack, if you are happy with the proposal ? Kind regards Suzuki > --- > 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 43f583987250..703b6fcbb6a5 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 > @@ -2347,12 +2348,21 @@ static const struct of_device_id etm4_sysreg_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_sysreg_match, > + .acpi_match_table = ACPI_PTR(etm4x_acpi_ids), > .suppress_bind_attrs = true, > .pm = &etm4_dev_pm_ops, > },