From patchwork Tue Apr 29 01:05:47 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aaron Kling via B4 Relay X-Patchwork-Id: 885996 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9DF132AEFB; Tue, 29 Apr 2025 01:05:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745888750; cv=none; b=fZzntOWWtq9YPtlYDNYEREvyyTWqfI8O/GeZQ8OksSnkx/8h+pXlP7w86eK/7zD+VM7JN+N8cxizzJLFfB4pruIILPMq37azECKGKu+N9+H1/HoK5bRW1P6OS/++ipG9T93r+qVwKpWveXX08ZQdINffrogOsRQ4r82YviQRKJU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745888750; c=relaxed/simple; bh=EM6ElMfbJozbwi36h7rM3Qknfs+VrjA5AmrU9DsF36s=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=cZnxP9P+SU472jvsI8T/1Ih+8dB7fP+Wy0aeifF9SVR4br3NNCP15R0pR0pv7+PMDhbfhsC+WScAi96bUQv9z6IB8ZYohRz2IeUXwMQCgkH4sn5k83cSIkgosvzLRkkcxrnrJ7fLepjCZy66RUFEllpedDQ6V+4sDTh414xwLc8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=JklXKfpo; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="JklXKfpo" Received: by smtp.kernel.org (Postfix) with ESMTPS id 2AE96C4CEEE; Tue, 29 Apr 2025 01:05:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1745888750; bh=EM6ElMfbJozbwi36h7rM3Qknfs+VrjA5AmrU9DsF36s=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=JklXKfpoM6eam6ewpkiiJrk+oLEyBOFDks2ysMzVEglltyYGv+PMcXRClDJtXRLhl MIcNRdfkLIDiD4ZDUjlxFe7VaJya00ZtFRxOFUIfGpH54jsAouhgA7kVpDR1AmIz/D DkfYbgndHVPHg3KgzvozsJRvAldT4p6ljg8z7wlz3qn9O2TAzS9PD7pRWmZZrH+pAc LcJPODpg2LsRop1IUcxfwovVBvaofYFmbwNLeHAOpL3f2tZUfTf8I2O+mjCTnG+bIi QedYFK8HSWHU2mVpCiGtlZICTRDKRYPZQ+CbnFnTUQBXdvxCWcTbKlelvSS7whD7H0 YpMPvVf3wD6Mw== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1C184C3ABA5; Tue, 29 Apr 2025 01:05:50 +0000 (UTC) From: Aaron Kling via B4 Relay Date: Mon, 28 Apr 2025 20:05:47 -0500 Subject: [PATCH v2 2/3] cpuidle: tegra: Export tegra_cpuidle_pcie_irqs_in_use Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250428-pci-tegra-module-v2-2-c11a4b912446@gmail.com> References: <20250428-pci-tegra-module-v2-0-c11a4b912446@gmail.com> In-Reply-To: <20250428-pci-tegra-module-v2-0-c11a4b912446@gmail.com> To: Thomas Gleixner , Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy?= =?utf-8?q?=C5=84ski?= , Manivannan Sadhasivam , Rob Herring , Bjorn Helgaas , Thierry Reding , Jonathan Hunter , "Rafael J. Wysocki" , Daniel Lezcano Cc: linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-tegra@vger.kernel.org, linux-pm@vger.kernel.org, Aaron Kling X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1745888749; l=830; i=webgeek1234@gmail.com; s=20250217; h=from:subject:message-id; bh=xVyHjzSr7wHYXMLNGdp54ReYaOCWfcLl7SzVd0MbeFs=; b=gIud+Pwnuh30AZATYddoB8kGlcEmY/P9Nw0DW7/uOyryc78z11uWGMo9bZX3IGoqdTjnxY2mH yeby/7GMn7+CowD+fN5sc9KPPJ89qdEWjbHPF6D/bEfFopMgG7F56jJ X-Developer-Key: i=webgeek1234@gmail.com; a=ed25519; pk=TQwd6q26txw7bkK7B8qtI/kcAohZc7bHHGSD7domdrU= X-Endpoint-Received: by B4 Relay for webgeek1234@gmail.com/20250217 with auth_id=342 X-Original-From: Aaron Kling Reply-To: webgeek1234@gmail.com From: Aaron Kling Add export for tegra_cpuidle_pcie_irqs_in_use() so that we can allow drivers like the pci-tegra driver to be loadable as a module. Signed-off-by: Aaron Kling --- drivers/cpuidle/cpuidle-tegra.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/cpuidle/cpuidle-tegra.c b/drivers/cpuidle/cpuidle-tegra.c index b203a93deac5f378572be90e22c73e7417adb99e..aca907a62bb5de4ee4c71c1900eacedd4b90bc0a 100644 --- a/drivers/cpuidle/cpuidle-tegra.c +++ b/drivers/cpuidle/cpuidle-tegra.c @@ -336,6 +336,7 @@ void tegra_cpuidle_pcie_irqs_in_use(void) pr_info("disabling CC6 state, since PCIe IRQs are in use\n"); tegra_cpuidle_disable_state(TEGRA_CC6); } +EXPORT_SYMBOL_GPL(tegra_cpuidle_pcie_irqs_in_use); static void tegra_cpuidle_setup_tegra114_c7_state(void) { From patchwork Tue Apr 29 01:05:48 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aaron Kling via B4 Relay X-Patchwork-Id: 885997 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9DEAF4431; Tue, 29 Apr 2025 01:05:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745888750; cv=none; b=ceBQgXWvFWp6xk1jyMMEpOvN+VhBDk452dfy+T9ZgjSU4pSdsf2wcCGn2Ni5aiL7v1JuJ/29RXq54+R++/g6zMwcCu2wC0j80QDpi6C/gnf+pwx3DFXT0Sc8JZZFe/9jn2UqIV87Tds/rU3ZNYUFRtxDPniZ8DVYv4J27WDq8wA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745888750; c=relaxed/simple; bh=0kd70aDRShcJ+DgP88hGfkolBgZTKMYLZwsSsPfBMro=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Ypp6S4VautRhV2o4maUm5VDdrmVfkOirV+io9JubRLrIN7/2oZ+W2tYpzfYGjQl7braChudmElfRfOxiPBEajSE1NMfxKPPiey8jP57RrQXWJs6MGeIPtk5HBI27OQcfGLW3Lbrj6SIjbivpj3D9ylGHlR+Zu0J+X8Ar8IaC4J0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=XNB4EUwl; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="XNB4EUwl" Received: by smtp.kernel.org (Postfix) with ESMTPS id 35320C4CEEF; Tue, 29 Apr 2025 01:05:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1745888750; bh=0kd70aDRShcJ+DgP88hGfkolBgZTKMYLZwsSsPfBMro=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=XNB4EUwlvoZU9v3dAlKKBTTnak+NHjgWWg1nSyP6NSzBrpkOQ2yZf0LLdRKZJho6L 1tUAYG7FAgGlzoD7hWJpRJwKwPsmy+E1epHEKwdxBeMKaulVxtjRNsrFAWbsddls2p /Q7UpEpA6kJqlR5evRA7xP9hYsmeI15WDIzZm8r4RD7MfyZIKeEB5vC4y2zktLfQFt 1ih4oDca//8JxxalIBYiMpndBOg4hlpXNYivQublDbBF4XsVzQjxjvO4GqrijSRlcx n0e/A/zcAOfwb9lVI/Esv3VwKXlGTO93HBkksuE/0jHBh6c4f/k1DE2tyyuW+Exnn7 0Y5OlcYgBSpHg== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 296AFC369D9; Tue, 29 Apr 2025 01:05:50 +0000 (UTC) From: Aaron Kling via B4 Relay Date: Mon, 28 Apr 2025 20:05:48 -0500 Subject: [PATCH v2 3/3] PCI: tegra: Allow building as a module Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250428-pci-tegra-module-v2-3-c11a4b912446@gmail.com> References: <20250428-pci-tegra-module-v2-0-c11a4b912446@gmail.com> In-Reply-To: <20250428-pci-tegra-module-v2-0-c11a4b912446@gmail.com> To: Thomas Gleixner , Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy?= =?utf-8?q?=C5=84ski?= , Manivannan Sadhasivam , Rob Herring , Bjorn Helgaas , Thierry Reding , Jonathan Hunter , "Rafael J. Wysocki" , Daniel Lezcano Cc: linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-tegra@vger.kernel.org, linux-pm@vger.kernel.org, Aaron Kling X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1745888749; l=1592; i=webgeek1234@gmail.com; s=20250217; h=from:subject:message-id; bh=ediBwXdejZJpog3kftYSmvTQosQLVWrtV7PiuRz9nKw=; b=m9W78dnWcanFrYMp5fS7WOsXZuHtgrFt1gpLhdBIcQWzPtFoq+OeMKHchTx1OgwDTdZp1dsjd Lxn+9KzULRkDjR3Df+rurmKJ9s4X64G03RmlKl+ncjg3gow5juYZGy8 X-Developer-Key: i=webgeek1234@gmail.com; a=ed25519; pk=TQwd6q26txw7bkK7B8qtI/kcAohZc7bHHGSD7domdrU= X-Endpoint-Received: by B4 Relay for webgeek1234@gmail.com/20250217 with auth_id=342 X-Original-From: Aaron Kling Reply-To: webgeek1234@gmail.com From: Aaron Kling This changes the module macro back to builtin, which does not define an exit function. This will prevent the module from being unloaded. There are concerns with modules not cleaning up IRQs on unload, thus this needs specifically disallowed. Signed-off-by: Aaron Kling --- drivers/pci/controller/Kconfig | 2 +- drivers/pci/controller/pci-tegra.c | 5 ++++- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/pci/controller/Kconfig b/drivers/pci/controller/Kconfig index 9800b768105402d6dd1ba4b134c2ec23da6e4201..a9164dd2eccaead5ae9348c24a5ad75fcb40f507 100644 --- a/drivers/pci/controller/Kconfig +++ b/drivers/pci/controller/Kconfig @@ -224,7 +224,7 @@ config PCI_HYPERV_INTERFACE driver. config PCI_TEGRA - bool "NVIDIA Tegra PCIe controller" + tristate "NVIDIA Tegra PCIe controller" depends on ARCH_TEGRA || COMPILE_TEST depends on PCI_MSI help diff --git a/drivers/pci/controller/pci-tegra.c b/drivers/pci/controller/pci-tegra.c index b3cdbc5927de3742161310610dc5dcb836f5dd69..1539d172d708c11c3d085721ab9416be3dea6b12 100644 --- a/drivers/pci/controller/pci-tegra.c +++ b/drivers/pci/controller/pci-tegra.c @@ -2802,4 +2802,7 @@ static struct platform_driver tegra_pcie_driver = { .probe = tegra_pcie_probe, .remove = tegra_pcie_remove, }; -module_platform_driver(tegra_pcie_driver); +builtin_platform_driver(tegra_pcie_driver); +MODULE_AUTHOR("Thierry Reding "); +MODULE_DESCRIPTION("NVIDIA PCI host controller driver"); +MODULE_LICENSE("GPL");