From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bjorn Helgaas Subject: Re: [PATCH v6 13/30] PCI: Introduce new scan function pci_scan_host_bridge() Date: Wed, 11 Mar 2015 22:25:15 -0500 Message-ID: <20150312032515.GF10949@google.com> References: <1425868467-9667-1-git-send-email-wangyijing@huawei.com> <1425868467-9667-14-git-send-email-wangyijing@huawei.com> Mime-Version: 1.0 Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; bh=maJ/bBUcK2DY4145o9wG7efNTEXlUSihSoWSbluCcA4=; b=fucu09lLI4a1DFiEQy10AlCNoB2yAnpGJd0m5nQ9/fGAuYmuKOOfgx+iplJrCUkwCe MgTnbyVPrSVPUnSDUK9wQMysuy3cpUAKmQ4d707F6Pm0c3dQP+gj8c5YDlGPzHeKX15s BswCftD0/78DfGqJakz8aYTb2ZxfNn5oFDB53MGRciNXJejqCsXYwlRYhGbz3bKZtdM2 189DA7Sjnv8bwKvZKVJ2Is87IcO+zN0b3aJS2FcLwmtO4FX+IH0D3g9ijJrmqrqGGeD5 Ee/PBYjNCgXFmKfsYLL4bfQaYLKNpbOnFa34anHtzDja+mCcW9kGc6EPY/sg7pKhSsTS SZxw== Content-Disposition: inline In-Reply-To: <1425868467-9667-14-git-send-email-wangyijing@huawei.com> Sender: linux-pci-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Yijing Wang Cc: Jiang Liu , linux-pci@vger.kernel.org, Yinghai Lu , linux-kernel@vger.kernel.org, Marc Zyngier , linux-arm-kernel@lists.infradead.org, Russell King , x86@kernel.org, Thomas Gleixner , Benjamin Herrenschmidt , Rusty Russell , Tony Luck , linux-ia64@vger.kernel.org, "David S. Miller" , Guan Xuetao , linux-alpha@vger.kernel.org, linux-m68k@lists.linux-m68k.org, Liviu Dudau , Arnd Bergmann , Geert Uytterhoeven On Mon, Mar 09, 2015 at 10:34:10AM +0800, Yijing Wang wrote: > Introduce new scan function pci_scan_host_bridge() to > support host bridge drivers that need to provide platform > own pci_host_bridge_ops. > > Signed-off-by: Yijing Wang > Signed-off-by: Bjorn Helgaas > --- > drivers/pci/probe.c | 22 ++++++++++++++++++++++ > include/linux/pci.h | 4 ++++ > 2 files changed, 26 insertions(+), 0 deletions(-) > > diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c > index 59d9be3..99f17e3 100644 > --- a/drivers/pci/probe.c > +++ b/drivers/pci/probe.c > @@ -2064,6 +2064,28 @@ static struct pci_bus *__pci_scan_root_bus( > return b; > } > > +struct pci_host_bridge *pci_scan_host_bridge(struct device *parent, > + u32 db, struct pci_ops *ops, void *sysdata, > + struct list_head *resources, > + struct pci_host_bridge_ops *phb_ops) Drop the "phb_" prefix. > +{ > + struct pci_host_bridge *host; > + struct pci_bus *bus; > + > + host = pci_create_host_bridge(parent, db, resources, > + sysdata, phb_ops); > + if (!host) > + return NULL; > + > + bus = __pci_scan_root_bus(host, ops); > + if (!bus) > + pci_free_host_bridge(host); > + > + return host; > +} > +EXPORT_SYMBOL(pci_scan_host_bridge); > + > + > struct pci_bus *pci_scan_root_bus(struct device *parent, u32 db, > struct pci_ops *ops, void *sysdata, struct list_head *resources) > { > diff --git a/include/linux/pci.h b/include/linux/pci.h > index e9922b1..28eafb5 100644 > --- a/include/linux/pci.h > +++ b/include/linux/pci.h > @@ -790,6 +790,10 @@ void pci_bus_release_busn_res(struct pci_bus *b); > struct pci_bus *pci_scan_root_bus(struct device *parent, u32 dombus, > struct pci_ops *ops, void *sysdata, > struct list_head *resources); > +struct pci_host_bridge *pci_scan_host_bridge(struct device *parent, > + u32 dombus, struct pci_ops *ops, void *sysdata, > + struct list_head *resources, > + struct pci_host_bridge_ops *phb_ops); > struct pci_bus *pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev, > int busnr); > void pcie_update_link_speed(struct pci_bus *bus, u16 link_status); > -- > 1.7.1 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-pci" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html