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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C9F2EC433F5 for ; Mon, 6 Dec 2021 11:35:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242551AbhLFLjV (ORCPT ); Mon, 6 Dec 2021 06:39:21 -0500 Received: from foss.arm.com ([217.140.110.172]:54808 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242519AbhLFLjU (ORCPT ); Mon, 6 Dec 2021 06:39:20 -0500 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 89CE21042; Mon, 6 Dec 2021 03:35:51 -0800 (PST) Received: from e123427-lin.arm.com (unknown [10.57.33.247]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id C4F2E3F73D; Mon, 6 Dec 2021 03:35:48 -0800 (PST) From: Lorenzo Pieralisi To: =?UTF-8?q?Krzysztof=20Wilczyi=C5=84ski?= , Bjorn Helgaas , Jianjun Wang , Ryder Lee , qizhong cheng Cc: Lorenzo Pieralisi , linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-pci@vger.kernel.org, Chuanjia Liu , linux-arm-kernel@lists.infradead.org, Jiey Yang Subject: Re: [PATCH] PCI: mediatek: Delay 100ms to wait power and clock to become stable Date: Mon, 6 Dec 2021 11:35:42 +0000 Message-Id: <163879053288.15266.2451470623160398574.b4-ty@arm.com> X-Mailer: git-send-email 2.31.0 In-Reply-To: <20211104062144.31453-1-qizhong.cheng@mediatek.com> References: <20211104062144.31453-1-qizhong.cheng@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 4 Nov 2021 14:21:44 +0800, qizhong cheng wrote: > Described in PCIe CEM specification setctions 2.2 (PERST# Signal) and > 2.2.1 (Initial Power-Up (G3 to S0)). The deassertion of PERST# should > be delayed 100ms (TPVPERL) for the power and clock to become stable. > > Applied to pci/mediatek, thanks! [1/1] PCI: mediatek: Delay 100ms to wait power and clock to become stable https://git.kernel.org/lpieralisi/pci/c/1fa610f217 Thanks, Lorenzo