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 X-Spam-Level: X-Spam-Status: No, score=-13.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 93ED7C433ED for ; Mon, 3 May 2021 02:22:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 71D1861249 for ; Mon, 3 May 2021 02:22:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232887AbhECCW5 (ORCPT ); Sun, 2 May 2021 22:22:57 -0400 Received: from mail.kernel.org ([198.145.29.99]:35012 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230368AbhECCWz (ORCPT ); Sun, 2 May 2021 22:22:55 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 8D0A061249; Mon, 3 May 2021 02:22:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1620008523; bh=+9RJShCToImcgmcu2kcaufXjBbAW+pUORrOy9T4/d9k=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=ddg/QA9d1H5mfxNZeJ29hHjnXDpAu9Aza0pTo1yANCcjlSt1duSJegpdBql/Jlzyn p5vMqSDRwIOgCJzU3ehlNgt6cWN3vaOicTgSBgdy2evHftwyS2AaVgTa6Dg1JBQByw skO+EVpnROxd509wawqxnKA3USPjGfPNd/sw3wiT+jURoyzGmI/09Fq5Fe86nODBcH TXlIgaDUX/5TrNGK+Jw31b7l7MtdmEPVglcpo6EaSTnYLIYVPhkbBnW7a2Kf6LDi1v WSkJuHG3z/h0kq5ca/beFzA9M2xEf9R/sCFMz2f6O8zvkFvbpdqfWxTdRy49pRA/ro Z44ZgDUPvYi2A== Subject: Re: [PATCH v5 1/2] PCI: Add support for a function level reset based on _RST method To: Shanker Donthineni , Alex Williamson Cc: Bjorn Helgaas , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Vikram Sethi , Amey Narkhede References: <20210430232624.25153-1-sdonthineni@nvidia.com> From: Sinan Kaya Message-ID: <439e6cc0-188d-997d-87e6-2b6d2af807bd@kernel.org> Date: Sun, 2 May 2021 22:22:01 -0400 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.10.0 MIME-Version: 1.0 In-Reply-To: <20210430232624.25153-1-sdonthineni@nvidia.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 4/30/2021 7:26 PM, Shanker Donthineni wrote: > The _RST is a standard method specified in the ACPI specification. It > provides a function level reset when it is described in the acpi_device > context associated with PCI-device. > > Implement a new reset function pci_dev_acpi_reset() for probing RST > method and execute if it is defined in the firmware. The ACPI binding > information is available only after calling device_add(), so move > pci_init_reset_methods() to end of the pci_device_add(). > > The default priority of the acpi reset is set to below device-specific > and above hardware resets. > > Signed-off-by: Shanker Donthineni Reviewed-by: Sinan Kaya