From patchwork Thu Feb 22 08:21:31 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anshuman Khandual X-Patchwork-Id: 13566850 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 74C15748F; Thu, 22 Feb 2024 08:22:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708590124; cv=none; b=agFu70RpVOL9sPZlw4ymHn33sSsSKHpS0k4aTMdZ/cDTAjIWVyjBGAlyP3Usk75jN2ORaIMkl+DRxzu9GDt9SYgwik3zgIHthWSMp2wJ0WhytlErIZc+NH702R7l0JqbbMYN5xpVzeXmyd99wsRAEAbaVr1gRcLwrgNZsj86NmQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708590124; c=relaxed/simple; bh=8jkTLnn7gBBPF4itUKsTqP2461O7zUJ7O2h6H4x68Kg=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=PHI9Q5aV9UBakWaA4dxn4itlRGi+Tp7OqIV0X+zoUzfsgJ8NAbra9/BtgagSrPL6dcq9xjk8aQuvQ5uYrRIrDjPP7g00BT6goPSkEhT2dZUa2wEhVRHJemsbK1XdbHcX9M0UU2HCWP7817Fy73hfkcBxDggHIl2lts5J/NE15NM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com 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 8862A1007; Thu, 22 Feb 2024 00:22:39 -0800 (PST) Received: from a077893.blr.arm.com (a077893.blr.arm.com [10.162.42.8]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id C810C3F762; Thu, 22 Feb 2024 00:21:56 -0800 (PST) From: Anshuman Khandual To: linux-arm-kernel@lists.infradead.org, suzuki.poulose@arm.com Cc: Anshuman Khandual , Lorenzo Pieralisi , Sudeep Holla , Mike Leach , James Clark , Maxime Coquelin , Alexandre Torgue , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, coresight@lists.linaro.org, linux-stm32@st-md-mailman.stormreply.com Subject: [PATCH V5 00/11] coresight: Move remaining AMBA ACPI devices into platform driver Date: Thu, 22 Feb 2024 13:51:31 +0530 Message-Id: <20240222082142.3663983-1-anshuman.khandual@arm.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 This moves remaining AMBA ACPI devices into respective platform drivers for enabling ACPI based power management support. This series applies on kernel v6.8-rc5 release. This series has been built, and boot tested on a DT based (RB5) and ACPI supported coresight platform (N1SDP). https://git.gitlab.arm.com/linux-arm/linux-anshuman.git (amba_other_acpi_migration_v5) Cc: Lorenzo Pieralisi Cc: Sudeep Holla Cc: Suzuki K Poulose Cc: Mike Leach Cc: James Clark Cc: Maxime Coquelin Cc: Alexandre Torgue Cc: linux-acpi@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Cc: coresight@lists.linaro.org Cc: linux-stm32@st-md-mailman.stormreply.com Changes in V5: - Used table->mask to filter out bits from pid in coresight_get_uci_data_from_amba() - Dropped custom masks such as STM_AMBA_MASK and TMC_AMBA_MASK - Modified tmc_etr_setup_caps() to accept struct csdev_access argument - Reverted back tmc_etr_setup_caps() call site position in tmc_probe() - Changed replicator and funnel devices to use the new helpers earlier in series - Updated the commit messages regarding xxx_probe() refactoring and renaming Changes in V4: https://lore.kernel.org/all/20240123054608.1790189-1-anshuman.khandual@arm.com/ - Fixed PM imbalance in etm4_probe() error path with pm_runtime_disable() - Restored back the pm_runtime_disable() on platform probe error paths in replicator, funnel, catu, tpiu, tmc and stm devices - Dropped dev_caps argument from __tmc_probe() - Changed xxxx_platform_remove() for platform_driver->remove_new() callback Changes in V3: https://lore.kernel.org/all/20231208053939.42901-1-anshuman.khandual@arm.com/ - Split coresight_init_driver/remove_driver() helpers into a separate patch - Added 'drvdata->pclk' comments in replicator, funnel, tpiu, tmc, and stm devices - Updated funnel, and replicator drivers to use these new helpers - Check for drvdata instead of drvdata->pclk in suspend and resume paths in catu, tmc and debug devices - Added patch to extract device name from AMBA pid based table lookup for stm - Added patch to extract device properties from AMBA pid based table look for tmc - Dropped pm_runtime_put() from common __probe() functions - Handled pm_runtime_put() in AMBA driver in success path - Handled pm_runtime_put() in platform driver in both success and error paths Changes in V2: https://lore.kernel.org/all/20231201062053.1268492-1-anshuman.khandual@arm.com/ - Dropped redundant devm_ioremap_resource() hunk from tmc_platform_probe() - Defined coresight_[init|remove]_driver() for both AMBA/platform drivers - Changed catu, tmc, tpiu, stm and debug coresight drivers to use the new helpers avoiding build issues arising from module_amba_driver(), and module_platform_driver() being on the same file Changes in V1: https://lore.kernel.org/all/20231027072943.3418997-1-anshuman.khandual@arm.com/ - Replaced all IS_ERR() instances with IS_ERR_OR_NULL() as per Suzuki Changes in RFC: https://lore.kernel.org/all/20230921042040.1334641-1-anshuman.khandual@arm.com/ Anshuman Khandual (11): coresight: etm4x: Fix unbalanced pm_runtime_enable() coresight: stm: Extract device name from AMBA pid based table lookup coresight: tmc: Extract device properties from AMBA pid based table lookup coresight: Add helpers registering/removing both AMBA and platform drivers coresight: replicator: Move ACPI support from AMBA driver to platform driver coresight: funnel: Move ACPI support from AMBA driver to platform driver coresight: catu: Move ACPI support from AMBA driver to platform driver coresight: tpiu: Move ACPI support from AMBA driver to platform driver coresight: tmc: Move ACPI support from AMBA driver to platform driver coresight: stm: Move ACPI support from AMBA driver to platform driver coresight: debug: Move ACPI support from AMBA driver to platform driver drivers/acpi/arm64/amba.c | 8 - drivers/hwtracing/coresight/coresight-catu.c | 142 +++++++++++++--- drivers/hwtracing/coresight/coresight-catu.h | 1 + drivers/hwtracing/coresight/coresight-core.c | 29 ++++ .../hwtracing/coresight/coresight-cpu-debug.c | 141 ++++++++++++++-- .../coresight/coresight-etm4x-core.c | 3 + .../hwtracing/coresight/coresight-funnel.c | 86 +++++----- drivers/hwtracing/coresight/coresight-priv.h | 10 ++ .../coresight/coresight-replicator.c | 81 +++++----- drivers/hwtracing/coresight/coresight-stm.c | 115 +++++++++++-- .../hwtracing/coresight/coresight-tmc-core.c | 153 +++++++++++++++--- drivers/hwtracing/coresight/coresight-tmc.h | 2 + drivers/hwtracing/coresight/coresight-tpiu.c | 102 ++++++++++-- include/linux/coresight.h | 7 + 14 files changed, 721 insertions(+), 159 deletions(-)