From patchwork Fri Apr 12 02:37:19 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Damien Le Moal X-Patchwork-Id: 1922813 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=GDMxaAe6; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2604:1380:45d1:ec00::1; helo=ny.mirrors.kernel.org; envelope-from=linux-pci+bounces-6159-incoming=patchwork.ozlabs.org@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from ny.mirrors.kernel.org (ny.mirrors.kernel.org [IPv6:2604:1380:45d1:ec00::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4VG11k3cgNz1yYP for ; Fri, 12 Apr 2024 12:37:30 +1000 (AEST) Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id 7B0A81C22674 for ; Fri, 12 Apr 2024 02:37:27 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 32624DDA1; Fri, 12 Apr 2024 02:37:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="GDMxaAe6" X-Original-To: linux-pci@vger.kernel.org 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 0D0DC322B for ; Fri, 12 Apr 2024 02:37:24 +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=1712889445; cv=none; b=QcUkzDA8dqQg0Dma6COQ023jIgHjFdNoTfNnXfR/mctjWBtPETXkAW3tkGukiA/2GGMPnM+NLjqEuRL0mKEsxZRSOAYUE2zZRAiasQDLTtk16jOxD+schCQ6Vv4zxSawfauKkeQ/NvEc387PHenaMQ3pR2k/eP8Yfds27ChLJVU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712889445; c=relaxed/simple; bh=HiXGHLZIGVbP/4SWHBC2OKseJqgpskR3c6BxJ2UIzzM=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=AdbXAX3ENWigFClBZ7XTuCzG0mEcLkGxGBRirKVS4aAi0GCiW2IPx8YGilOxidVEuTUeguAhU+BMM19ROXZ0zFnXoBiNMO1crolnKIHT2NyZEgcHcfPSgxc/lo+CfHmUAV5Nj9lcdeAKgPdA3sIbD6Ve3Q4cISNDH4IzINVhlmI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=GDMxaAe6; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9407CC072AA; Fri, 12 Apr 2024 02:37:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1712889444; bh=HiXGHLZIGVbP/4SWHBC2OKseJqgpskR3c6BxJ2UIzzM=; h=From:To:Cc:Subject:Date:From; b=GDMxaAe6Mf//QR8tIlECQQBFVTLYE1sX6P9IANcSUCFSvMsY8WJ3owa0tAe26/VaH IqLMZkWdw7XVwdQy137PlUw/issDLCcf4bemQZVFpRkV0TWmLzXfMSrSndf/h84XMt 6KUJUvd552PDXEA12xT7BLTMzSba+yP7BCqOoh1HDYczxYwwzafFEV+ELh/APSts1+ iWgiP39n9YkgWqKMtcqFnIEAPl8QJG2G0fC5risa7aDgktGeOsJatEE1QD0tWPTkdT lWx8TBggwuV6OwWNMMj9ucJciVvKxxxjjbdcY2piHsW1Wh7xybhHFZDuy/kQWa5/tJ 6WjENOQzk+ePQ== From: Damien Le Moal To: Shawn Lin , Bjorn Helgaas , Heiko Stuebner , linux-pci@vger.kernel.org Cc: Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy?= =?utf-8?q?=C5=84ski?= , linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 0/2] rockchip rk3399 port initialization fixes Date: Fri, 12 Apr 2024 11:37:19 +0900 Message-ID: <20240412023721.1049303-1-dlemoal@kernel.org> X-Mailer: git-send-email 2.44.0 Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 A couple of patches to have the rockchip rk3399 host controller port initialization follow the PCI specifications around PERST# signal timing handling. Changes from v2: - Use PCIE_T_PVPERL_MS macro in patch 1 (and remove useless comments). - Split second msleep() addition into patch 2 as suggested by Bjorn. Changes from v1: - Add more specification details to the commit message. - Add missing msleep(100) after PERST# is deasserted. Damien Le Moal (2): PCI: rockchip-host: Fix rockchip_pcie_host_init_port() PERST# handling PCI: rockchip-host: Wait 100ms after reset before starting configuration drivers/pci/controller/pcie-rockchip-host.c | 3 +++ drivers/pci/pci.h | 7 +++++++ 2 files changed, 10 insertions(+)