linux-kernel - Re: [PATCH v4 28/30] PCI: Export find_pci_host

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Date:	Mon, 2 Mar 2015 21:40:48 -0600
From:	Bjorn Helgaas <bhelgaas@...gle.com>
To:	Yijing Wang <wangyijing@...wei.com>
Cc:	Jiang Liu <jiang.liu@...ux.intel.com>, linux-pci@...r.kernel.org,
	Yinghai Lu <yinghai@...nel.org>, linux-kernel@...r.kernel.org,
	Marc Zyngier <marc.zyngier@....com>,
	linux-arm-kernel@...ts.infradead.org,
	Russell King <linux@....linux.org.uk>, x86@...nel.org,
	Thomas Gleixner <tglx@...utronix.de>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Tony Luck <tony.luck@...el.com>, linux-ia64@...r.kernel.org,
	"David S. Miller" <davem@...emloft.net>,
	Guan Xuetao <gxt@...c.pku.edu.cn>, linux-alpha@...r.kernel.org,
	linux-m68k@...ts.linux-m68k.org, Liviu Dudau <liviu@...au.co.uk>,
	Arnd Bergmann <arnd@...db.de>,
	Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: Re: [PATCH v4 28/30] PCI: Export find_pci_host_bridge()

On Thu, Feb 26, 2015 at 04:12:22PM +0800, Yijing Wang wrote:
> Export find_pci_host_bridge().
> 
> Signed-off-by: Yijing Wang <wangyijing@...wei.com>
> ---
>  drivers/pci/host-bridge.c |    2 +-
>  include/linux/pci.h       |    1 +
>  2 files changed, 2 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/pci/host-bridge.c b/drivers/pci/host-bridge.c
> index 4a2baa2..51e24f8 100644
> --- a/drivers/pci/host-bridge.c
> +++ b/drivers/pci/host-bridge.c
> @@ -104,7 +104,7 @@ static struct pci_bus *find_pci_root_bus(struct pci_bus *bus)
>  	return bus;
>  }
>  
> -static struct pci_host_bridge *find_pci_host_bridge(struct pci_bus *bus)
> +struct pci_host_bridge *find_pci_host_bridge(struct pci_bus *bus)

Please name this "pci_find_host_bridge()" or similar so it looks like other
PCI functions.

>  {
>  	struct pci_bus *root_bus = find_pci_root_bus(bus);
>  
> diff --git a/include/linux/pci.h b/include/linux/pci.h
> index 2f29e95..6ac7926 100644
> --- a/include/linux/pci.h
> +++ b/include/linux/pci.h
> @@ -426,6 +426,7 @@ void pci_set_host_bridge_release(struct pci_host_bridge *bridge,
>  struct pci_host_bridge *pci_create_host_bridge(
>  		struct device *parent, u32 dombus, struct list_head *resources, 
>  		void *sysdata, struct pci_host_bridge_ops *ops);
> +struct pci_host_bridge *find_pci_host_bridge(struct pci_bus* bus);

I'm not sure this needs to be in include/linux/pci.h.  Wouldn't
drivers/pci/pci.h be enough?

>  /*
>   * The first PCI_BRIDGE_RESOURCE_NUM PCI bus resources (those that correspond
>   * to P2P or CardBus bridge windows) go in a table.  Additional ones (for
> -- 
> 1.7.1
> 
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