From patchwork Mon Jul 23 22:24:22 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alex Williamson X-Patchwork-Id: 10541245 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-2.web.codeaurora.org (Postfix) with ESMTP id C822C91E for ; Mon, 23 Jul 2018 22:24:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B8AB1284CE for ; Mon, 23 Jul 2018 22:24:27 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id AC49E2851A; Mon, 23 Jul 2018 22:24:27 +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 5E483284CE for ; Mon, 23 Jul 2018 22:24:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388216AbeGWX1q (ORCPT ); Mon, 23 Jul 2018 19:27:46 -0400 Received: from mx1.redhat.com ([209.132.183.28]:57560 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388109AbeGWX1q (ORCPT ); Mon, 23 Jul 2018 19:27:46 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 1E257C049D5B; Mon, 23 Jul 2018 22:24:26 +0000 (UTC) Received: from gimli.home (ovpn-116-105.phx2.redhat.com [10.3.116.105]) by smtp.corp.redhat.com (Postfix) with ESMTP id 02BE8608F0; Mon, 23 Jul 2018 22:24:22 +0000 (UTC) Subject: [PATCH 1/2] PCI: Export pcie_has_flr() From: Alex Williamson To: linux-pci@vger.kernel.org Cc: linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org Date: Mon, 23 Jul 2018 16:24:22 -0600 Message-ID: <20180723222422.4371.68674.stgit@gimli.home> In-Reply-To: <20180723221533.4371.90064.stgit@gimli.home> References: <20180723221533.4371.90064.stgit@gimli.home> User-Agent: StGit/0.18-102-gdf9f MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Mon, 23 Jul 2018 22:24:26 +0000 (UTC) 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 pcie_flr() suggests pcie_has_flr() to ensure that PCIe FLR support is present prior to calling. pcie_flr() is exported while pcie_has_flr() is not. Resolve this. Signed-off-by: Alex Williamson --- drivers/pci/pci.c | 3 ++- include/linux/pci.h | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 2bec76c9d9a7..52fe2d72a99c 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -4071,7 +4071,7 @@ static int pci_dev_wait(struct pci_dev *dev, char *reset_type, int timeout) * Returns true if the device advertises support for PCIe function level * resets. */ -static bool pcie_has_flr(struct pci_dev *dev) +bool pcie_has_flr(struct pci_dev *dev) { u32 cap; @@ -4081,6 +4081,7 @@ static bool pcie_has_flr(struct pci_dev *dev) pcie_capability_read_dword(dev, PCI_EXP_DEVCAP, &cap); return cap & PCI_EXP_DEVCAP_FLR; } +EXPORT_SYMBOL_GPL(pcie_has_flr); /** * pcie_flr - initiate a PCIe function level reset diff --git a/include/linux/pci.h b/include/linux/pci.h index 04c7ea6ed67b..bbe030d7814f 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1092,6 +1092,7 @@ u32 pcie_bandwidth_available(struct pci_dev *dev, struct pci_dev **limiting_dev, enum pci_bus_speed *speed, enum pcie_link_width *width); void pcie_print_link_status(struct pci_dev *dev); +bool pcie_has_flr(struct pci_dev *dev); int pcie_flr(struct pci_dev *dev); int __pci_reset_function_locked(struct pci_dev *dev); int pci_reset_function(struct pci_dev *dev);