From patchwork Wed Nov 10 22:14:44 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jim Quinlan X-Patchwork-Id: 12613419 X-Patchwork-Delegate: lorenzo.pieralisi@arm.com 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 741BFC433FE for ; Wed, 10 Nov 2021 22:18:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5EE1F61288 for ; Wed, 10 Nov 2021 22:18:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233870AbhKJWUn (ORCPT ); Wed, 10 Nov 2021 17:20:43 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35052 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233592AbhKJWUZ (ORCPT ); Wed, 10 Nov 2021 17:20:25 -0500 Received: from mail-pg1-x531.google.com (mail-pg1-x531.google.com [IPv6:2607:f8b0:4864:20::531]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CFAC4C0797BA; Wed, 10 Nov 2021 14:15:14 -0800 (PST) Received: by mail-pg1-x531.google.com with SMTP id b4so3434234pgh.10; Wed, 10 Nov 2021 14:15:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=EzGuitgr5O7QkVIiJlPIGcCv/kBFTEjV8U/C16lgEUk=; b=FanXgsDdNmpBuR87HQ/95pOEL7eiqfg809EOeaUMLygY4L8gdozqDhl4Rww2YnyJuY hRKNlXUd4/M/dt87G/Wr19KZKa0XLq5EtTdC2aQAK76liCfodzUFvoZDgPgXEYHbkRSw RIPf6RyKu20IaT/rMAx1gRBmO3sLjNYrgEyN9ayQMfbUrVilQiTfGQjfQaoCKqHGe84m EXFHCdaL0iBPcMRwmfkmvxCmWAZB9zZ4YjvJpHPczN3EIqFw6jxMd5ckKQKzjWYxHuPc x/J0D9VoxTB6QlF+VJtSojweXim03rliOICN2RDlE84OwhmOne1a5h+9zZKccaXpuJdm SRoQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=EzGuitgr5O7QkVIiJlPIGcCv/kBFTEjV8U/C16lgEUk=; b=KIiL0kyPMCrewZQOl69LtuID/FTALwumceDh63S1OQVpfdQHtI+0P1C79jepLWlBc3 AL9WyZo2MmX1u8OCwKjJ9P49yK7wMIZOENaDGYbS4On3NFfkEwpDDggVUWt38ta9NO4j NLSDgF9hH6BmZmlQFv3ezKkJ82IxeGCRPngKgJwuJGSvRx/lF1TNjNjYGSr463gynTeU rJzql53YmOKKwmmS+6r9Y1/kI3uju8MCK0zKec6zNSsnhSrcrw8bokqNCeKlMOj02GmG Z0cdPJ413Q87fiM1+QEAX4LOMzfI+prCho7OqN/8VKtyRPnBWWqNR94YuQ+XXf/rSpns jTFw== X-Gm-Message-State: AOAM533Qr87eRjE8loc58FIL1/aJhh54/R4JIT3dD0lhxd3bAKTlIvC9 98JDEQ1cc5tf37z7JKc6WLwyK5AVmhRMVg== X-Google-Smtp-Source: ABdhPJw4Nk8losN6D8MhiPpD5tsdOSh608Q5s6DLTLlcmUPPrtsJ1nAaftriEL21/t/6yrICZBC1MQ== X-Received: by 2002:a05:6a00:10d1:b0:47b:aa9b:1e7a with SMTP id d17-20020a056a0010d100b0047baa9b1e7amr2325924pfu.57.1636582513951; Wed, 10 Nov 2021 14:15:13 -0800 (PST) Received: from stbsrv-and-01.and.broadcom.net ([192.19.11.250]) by smtp.gmail.com with ESMTPSA id q11sm611774pfk.192.2021.11.10.14.15.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 10 Nov 2021 14:15:13 -0800 (PST) From: Jim Quinlan To: linux-pci@vger.kernel.org, Bjorn Helgaas , Nicolas Saenz Julienne , Rob Herring , Mark Brown , bcm-kernel-feedback-list@broadcom.com, jim2101024@gmail.com, james.quinlan@broadcom.com Cc: Sean V Kelley , Jonathan Cameron , Qiuxu Zhuo , Keith Busch , linux-kernel@vger.kernel.org (open list) Subject: [PATCH v8 4/8] PCI/portdrv: Create pcie_is_port_dev() func from existing code Date: Wed, 10 Nov 2021 17:14:44 -0500 Message-Id: <20211110221456.11977-5-jim2101024@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20211110221456.11977-1-jim2101024@gmail.com> References: <20211110221456.11977-1-jim2101024@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org The function will be needed elsewhere in a few commits. Signed-off-by: Jim Quinlan --- drivers/pci/pci.h | 2 ++ drivers/pci/pcie/portdrv_pci.c | 23 ++++++++++++++++++----- 2 files changed, 20 insertions(+), 5 deletions(-) diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index 1cce56c2aea0..c2bd1995d3a9 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -744,4 +744,6 @@ extern const struct attribute_group aspm_ctrl_attr_group; extern const struct attribute_group pci_dev_reset_method_attr_group; +bool pcie_is_port_dev(struct pci_dev *dev); + #endif /* DRIVERS_PCI_H */ diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c index c7ff1eea225a..63f2a87e9db8 100644 --- a/drivers/pci/pcie/portdrv_pci.c +++ b/drivers/pci/pcie/portdrv_pci.c @@ -90,6 +90,23 @@ static const struct dev_pm_ops pcie_portdrv_pm_ops = { #define PCIE_PORTDRV_PM_OPS NULL #endif /* !PM */ +bool pcie_is_port_dev(struct pci_dev *dev) +{ + int type; + + if (!dev) + return false; + + type = pci_pcie_type(dev); + + return pci_is_pcie(dev) && + ((type == PCI_EXP_TYPE_ROOT_PORT) || + (type == PCI_EXP_TYPE_UPSTREAM) || + (type == PCI_EXP_TYPE_DOWNSTREAM) || + (type == PCI_EXP_TYPE_RC_EC)); +} +EXPORT_SYMBOL_GPL(pcie_is_port_dev); + /* * pcie_portdrv_probe - Probe PCI-Express port devices * @dev: PCI-Express port device being probed @@ -104,11 +121,7 @@ static int pcie_portdrv_probe(struct pci_dev *dev, int type = pci_pcie_type(dev); int status; - if (!pci_is_pcie(dev) || - ((type != PCI_EXP_TYPE_ROOT_PORT) && - (type != PCI_EXP_TYPE_UPSTREAM) && - (type != PCI_EXP_TYPE_DOWNSTREAM) && - (type != PCI_EXP_TYPE_RC_EC))) + if (!pcie_is_port_dev(dev)) return -ENODEV; if (type == PCI_EXP_TYPE_RC_EC)