From patchwork Fri May 8 07:22:54 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yijing Wang X-Patchwork-Id: 6363161 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 582839F373 for ; Fri, 8 May 2015 07:34:35 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 41F352021F for ; Fri, 8 May 2015 07:34:33 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B2B8220225 for ; Fri, 8 May 2015 07:34:31 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1YqclV-0000Sv-De; Fri, 08 May 2015 07:32:09 +0000 Received: from szxga02-in.huawei.com ([119.145.14.65]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Yqckh-0008Sv-Py for linux-arm-kernel@lists.infradead.org; Fri, 08 May 2015 07:31:23 +0000 Received: from 172.24.2.119 (EHLO szxeml430-hub.china.huawei.com) ([172.24.2.119]) by szxrg02-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id CLA54979; Fri, 08 May 2015 15:26:46 +0800 (CST) Received: from localhost.localdomain (10.175.100.166) by szxeml430-hub.china.huawei.com (10.82.67.185) with Microsoft SMTP Server id 14.3.158.1; Fri, 8 May 2015 15:26:32 +0800 From: Yijing Wang To: Bjorn Helgaas Subject: [PATCH Part3 v11 4/9] PCI: Introduce pci_host_assign_domain_nr() to assign domain Date: Fri, 8 May 2015 15:22:54 +0800 Message-ID: <1431069779-29346-5-git-send-email-wangyijing@huawei.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1431069779-29346-1-git-send-email-wangyijing@huawei.com> References: <1431069779-29346-1-git-send-email-wangyijing@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.100.166] X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150508_003120_224153_A8CAA431 X-CRM114-Status: GOOD ( 10.05 ) X-Spam-Score: -2.3 (--) Cc: Liviu Dudau , linux-ia64@vger.kernel.org, Arnd Bergmann , Benjamin Herrenschmidt , x86@kernel.org, linux-pci@vger.kernel.org, Yijing Wang , linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, dja@axtens.net X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Introduce pci_host_assign_domain_nr() to save domain number in pci_host_bridge. Signed-off-by: Yijing Wang --- drivers/pci/pci.c | 24 +++++++++++++++++++----- drivers/pci/pci.h | 1 + 2 files changed, 20 insertions(+), 5 deletions(-) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 7bf27e8..46a0240 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -4506,10 +4506,10 @@ static int pci_get_new_domain_nr(void) return atomic_inc_return(&__domain_nr); } -void pci_bus_assign_domain_nr(struct pci_bus *bus, struct device *parent) +static int pci_assign_domain_nr(struct device *dev) { static int use_dt_domains = -1; - int domain = of_get_pci_domain_nr(parent->of_node); + int domain = of_get_pci_domain_nr(dev->of_node); /* * Check DT domain and use_dt_domains values. @@ -4543,16 +4543,30 @@ void pci_bus_assign_domain_nr(struct pci_bus *bus, struct device *parent) use_dt_domains = 0; domain = pci_get_new_domain_nr(); } else { - dev_err(parent, "Node %s has inconsistent \"linux,pci-domain\" property in DT\n", - parent->of_node->full_name); + dev_err(dev, "Node %s has inconsistent \"linux,pci-domain\" property in DT\n", + dev->of_node->full_name); domain = -1; } - bus->domain_nr = domain; + return domain; +} + +void pci_bus_assign_domain_nr(struct pci_bus *bus, struct device *parent) +{ + bus->domain_nr = pci_assign_domain_nr(parent); } #endif #endif +void pci_host_assign_domain_nr(struct pci_host_bridge *host, int domain) +{ +#ifdef CONFIG_PCI_DOMAINS_GENERIC + host->domain = pci_assign_domain_nr(host->dev.parent); +#else + host->domain = domain; +#endif +} + /** * pci_ext_cfg_avail - can we access extended PCI config space? * diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index bc3e79a..c2e1a6b 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -334,4 +334,5 @@ static inline void pci_bus_assign_domain_nr(struct pci_bus *bus, } #endif +void pci_host_assign_domain_nr(struct pci_host_bridge *host, int domain); #endif /* DRIVERS_PCI_H */