From patchwork Wed Jun 20 21:38:33 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Keith Busch X-Patchwork-Id: 10478753 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id AED60600F6 for ; Wed, 20 Jun 2018 21:35:36 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9DE3727CF3 for ; Wed, 20 Jun 2018 21:35:36 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 900FE290DC; Wed, 20 Jun 2018 21:35:36 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 46B2027CF3 for ; Wed, 20 Jun 2018 21:35:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933285AbeFTVfd (ORCPT ); Wed, 20 Jun 2018 17:35:33 -0400 Received: from mga03.intel.com ([134.134.136.65]:20584 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933459AbeFTVfY (ORCPT ); Wed, 20 Jun 2018 17:35:24 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 20 Jun 2018 14:35:23 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,249,1526367600"; d="scan'208";a="238905932" Received: from unknown (HELO localhost.lm.intel.com) ([10.232.112.44]) by fmsmga005.fm.intel.com with ESMTP; 20 Jun 2018 14:35:23 -0700 From: Keith Busch To: Linux PCI , Bjorn Helgaas Cc: Sinan Kaya , Oza Pawandeep , Keith Busch Subject: [PATCH 7/7] PCI/DPC: Remove indirection waiting for inactive link Date: Wed, 20 Jun 2018 15:38:33 -0600 Message-Id: <20180620213833.25072-7-keith.busch@intel.com> X-Mailer: git-send-email 2.13.6 In-Reply-To: <20180620213833.25072-1-keith.busch@intel.com> References: <20180620213833.25072-1-keith.busch@intel.com> Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch just simplifies waiting for the contained link to become inactive, removing the indirection to a unnecessary DPC specific handler. Signed-off-by: Keith Busch --- drivers/pci/pcie/dpc.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) diff --git a/drivers/pci/pcie/dpc.c b/drivers/pci/pcie/dpc.c index 348b59954961..921e68c461bd 100644 --- a/drivers/pci/pcie/dpc.c +++ b/drivers/pci/pcie/dpc.c @@ -64,18 +64,12 @@ static int dpc_wait_rp_inactive(struct dpc_dev *dpc) return 0; } -static void dpc_wait_link_inactive(struct dpc_dev *dpc) -{ - struct pci_dev *pdev = dpc->dev->port; - - pcie_wait_for_link(pdev, false); -} - static pci_ers_result_t dpc_reset_link(struct pci_dev *pdev) { struct dpc_dev *dpc; struct pcie_device *pciedev; struct device *devdpc; + u16 cap; /* @@ -91,7 +85,7 @@ static pci_ers_result_t dpc_reset_link(struct pci_dev *pdev) * Wait until the Link is inactive, then clear DPC Trigger Status * to allow the Port to leave DPC. */ - dpc_wait_link_inactive(dpc); + pcie_wait_for_link(pdev, false); if (dpc->rp_extensions && dpc_wait_rp_inactive(dpc)) return PCI_ERS_RESULT_DISCONNECT;