From patchwork Wed Sep 1 05:15:59 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kunihiko Hayashi X-Patchwork-Id: 12468315 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=-11.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=ham 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 C7661C432BE for ; Wed, 1 Sep 2021 05:16:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A436F60249 for ; Wed, 1 Sep 2021 05:16:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241375AbhIAFRI (ORCPT ); Wed, 1 Sep 2021 01:17:08 -0400 Received: from mx.socionext.com ([202.248.49.38]:19437 "EHLO mx.socionext.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229731AbhIAFRI (ORCPT ); Wed, 1 Sep 2021 01:17:08 -0400 Received: from unknown (HELO iyokan2-ex.css.socionext.com) ([172.31.9.54]) by mx.socionext.com with ESMTP; 01 Sep 2021 14:16:11 +0900 Received: from mail.mfilter.local (m-filter-2 [10.213.24.62]) by iyokan2-ex.css.socionext.com (Postfix) with ESMTP id 428262022042; Wed, 1 Sep 2021 14:16:11 +0900 (JST) Received: from 172.31.9.51 (172.31.9.51) by m-FILTER with ESMTP; Wed, 1 Sep 2021 14:16:11 +0900 Received: from plum.e01.socionext.com (unknown [10.212.243.119]) by kinkan2.css.socionext.com (Postfix) with ESMTP id 70C0AB62B7; Wed, 1 Sep 2021 14:16:10 +0900 (JST) From: Kunihiko Hayashi To: Jingoo Han , Gustavo Pimentel , Lorenzo Pieralisi , Rob Herring , =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= , Bjorn Helgaas , Kishon Vijay Abraham I Cc: Xiaowei Bao , Om Prakash Singh , Vidya Sagar , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Kunihiko Hayashi Subject: [PATCH v2 0/2] PCI: endpoint: Fix core_init_notifier feature Date: Wed, 1 Sep 2021 14:15:59 +0900 Message-Id: <1630473361-27198-1-git-send-email-hayashi.kunihiko@socionext.com> X-Mailer: git-send-email 2.7.4 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org This series has two fixes for core_init_notifier feature. Fix the bug that the driver can't register its notifier function if core_init_notifier == true and linkup_notifier == false. If enabling the controller is delayed due to core_init_notifier, accesses to the controller register should be avoided rather than enabling the controller. Changes since v1: - Add Acked-by and Reviewed-by lines Kunihiko Hayashi (2): PCI: endpoint: pci-epf-test: register notifier if only core_init_notifier is enabled PCI: designware-ep: Fix the access to DBI/iATU registers before enabling controller drivers/pci/controller/dwc/pcie-designware-ep.c | 81 +++++++++++++------------ drivers/pci/endpoint/functions/pci-epf-test.c | 2 +- 2 files changed, 42 insertions(+), 41 deletions(-)