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=-2.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED,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 5F938ECDE5F for ; Thu, 19 Jul 2018 08:33:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 187E320671 for ; Thu, 19 Jul 2018 08:33:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=synopsys.com header.i=@synopsys.com header.b="jr8QBvVh" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 187E320671 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=synopsys.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731397AbeGSJO2 (ORCPT ); Thu, 19 Jul 2018 05:14:28 -0400 Received: from smtprelay.synopsys.com ([198.182.60.111]:54774 "EHLO smtprelay.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730253AbeGSJO1 (ORCPT ); Thu, 19 Jul 2018 05:14:27 -0400 Received: from mailhost.synopsys.com (mailhost3.synopsys.com [10.12.238.238]) by smtprelay.synopsys.com (Postfix) with ESMTP id 54E0510C0B44; Thu, 19 Jul 2018 01:32:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=synopsys.com; s=mail; t=1531989145; bh=9l7uCPpD/TMvd6OGZ+BivIAOX14KB+t7Rb1YTJjhmGI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:In-Reply-To: References:From; b=jr8QBvVh1EjKgnk6jDJ7wkFK9QFU3DT1BrKsqaFPDCVd/82GynfxCYfmwh2AY+zir YdmyFLQZ5Dy0/VrqUuEXV84XfyRLl5+4THwkuJgwUCPo1T7YZwcmY5c5RIy6XkUIpd R9h+WB1cuEajQqoqzeDvLirYIjPQ8ojxEUzsPX1Khzh1AcMtcp6xLz9GApyi6gpgqB ECvFCGMo9T7cljkg3ZILYdRiZnJOGSS/GA+bgvY0d0DbqNCI81nQz0JMHy8K8WrlJd K6v2/deq71dbAarFeVOihj/fTCeR50LGvAw405X0QJHQBz4FA4CZHzDngd1X6LUnwf T90KqCqQvK+Gw== Received: from de02.synopsys.com (germany.internal.synopsys.com [10.225.17.21]) by mailhost.synopsys.com (Postfix) with ESMTP id C9A753E4F; Thu, 19 Jul 2018 01:32:24 -0700 (PDT) Received: from de02dwia024.internal.synopsys.com (de02dwia024.internal.synopsys.com [10.225.19.81]) by de02.synopsys.com (Postfix) with ESMTP id 009407BB6; Thu, 19 Jul 2018 10:32:24 +0200 (CEST) From: Gustavo Pimentel To: bhelgaas@google.com, lorenzo.pieralisi@arm.com, joao.pinto@synopsys.com, jingoohan1@gmail.com, kishon@ti.com, adouglas@cadence.com, jesper.nilsson@axis.com, shawn.lin@rock-chips.com Cc: linux-pci@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Gustavo Pimentel Subject: [PATCH v14 01/12] PCI: dwc: Fix EP link notification implementation Date: Thu, 19 Jul 2018 10:32:11 +0200 Message-Id: X-Mailer: git-send-email 2.7.4 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Move specific features settings from EP shared code (pcie-designware-ep.c) to the driver (pcie-designware-plat.c). Previous implementation disables the EP link notification by default for all SoCs that uses EP DesignWare IP, which affects directly the dra7xx and artpec6 SoCs. Signed-off-by: Gustavo Pimentel Acked-by: Kishon Vijay Abraham I --- Change v8->v9: - Created patch file. Change v9->v10: - Nothing changed, just to follow the patch set version. Change v10->v11: - Missed Kishon acknowledge. Change v11->v12: - Nothing changed, just to follow the patch set version. Change v12->v13: - Re-sending the patch series. Change v13->v14: - Nothing changed, just to follow the patch set version. drivers/pci/controller/dwc/pcie-designware-ep.c | 14 ++++++-------- drivers/pci/controller/dwc/pcie-designware-plat.c | 3 +++ 2 files changed, 9 insertions(+), 8 deletions(-) diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c index 8650416..04092a7 100644 --- a/drivers/pci/controller/dwc/pcie-designware-ep.c +++ b/drivers/pci/controller/dwc/pcie-designware-ep.c @@ -386,15 +386,18 @@ int dw_pcie_ep_init(struct dw_pcie_ep *ep) return -ENOMEM; ep->outbound_addr = addr; - if (ep->ops->ep_init) - ep->ops->ep_init(ep); - epc = devm_pci_epc_create(dev, &epc_ops); if (IS_ERR(epc)) { dev_err(dev, "Failed to create epc device\n"); return PTR_ERR(epc); } + ep->epc = epc; + epc_set_drvdata(epc, ep); + + if (ep->ops->ep_init) + ep->ops->ep_init(ep); + ret = of_property_read_u8(np, "max-functions", &epc->max_functions); if (ret < 0) epc->max_functions = 1; @@ -413,11 +416,6 @@ int dw_pcie_ep_init(struct dw_pcie_ep *ep) return -ENOMEM; } - epc->features = EPC_FEATURE_NO_LINKUP_NOTIFIER; - EPC_FEATURE_SET_BAR(epc->features, BAR_0); - - ep->epc = epc; - epc_set_drvdata(epc, ep); dw_pcie_setup(pci); return 0; diff --git a/drivers/pci/controller/dwc/pcie-designware-plat.c b/drivers/pci/controller/dwc/pcie-designware-plat.c index 5937fed..0ce3440 100644 --- a/drivers/pci/controller/dwc/pcie-designware-plat.c +++ b/drivers/pci/controller/dwc/pcie-designware-plat.c @@ -70,10 +70,13 @@ static const struct dw_pcie_ops dw_pcie_ops = { static void dw_plat_pcie_ep_init(struct dw_pcie_ep *ep) { struct dw_pcie *pci = to_dw_pcie_from_ep(ep); + struct pci_epc *epc = ep->epc; enum pci_barno bar; for (bar = BAR_0; bar <= BAR_5; bar++) dw_pcie_ep_reset_bar(pci, bar); + + epc->features |= EPC_FEATURE_NO_LINKUP_NOTIFIER; } static int dw_plat_pcie_ep_raise_irq(struct dw_pcie_ep *ep, u8 func_no, -- 2.7.4