From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp.codeaurora.org ([198.145.29.96]:35228 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932334AbeFLEkx (ORCPT ); Tue, 12 Jun 2018 00:40:53 -0400 Subject: Re: [PATCH] PCI/AER: Prevent runtime power management during recovery To: Keith Busch , Linux PCI , Bjorn Helgaas Cc: Oza Pawandeep References: <20180611222918.1708-1-keith.busch@intel.com> From: Sinan Kaya Message-ID: <08e0ba9f-69cd-ea18-ae1b-d0795cceb306@codeaurora.org> Date: Tue, 12 Jun 2018 00:40:50 -0400 MIME-Version: 1.0 In-Reply-To: <20180611222918.1708-1-keith.busch@intel.com> Content-Type: text/plain; charset=utf-8 Sender: linux-pci-owner@vger.kernel.org List-ID: On 6/11/2018 6:29 PM, Keith Busch wrote: > A bridge that supports D3 but not hotplug will be subject to runtime > power management placing it in a non-operation power state if it doesn't > have any devices attached. This patch will prevent this power management > during error recovery so that the rescan at the end may be successful. If there is no card connected, why would the bridge observe a fatal error? -- Sinan Kaya Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc. Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.