linux-kernel - Re: [PATCH v9 14/30] PCI: Introduce pci_host_bridge

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Message-ID: <1428390266.14169.1.camel@axtens.net>
Date:	Tue, 07 Apr 2015 17:04:26 +1000
From:	Daniel Axtens <dja@...ens.net>
To:	Yijing Wang <wangyijing@...wei.com>
Cc:	Bjorn Helgaas <bhelgaas@...gle.com>,
	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 v9 14/30] PCI: Introduce pci_host_bridge_ops to support
 host specific operations

On Fri, 2015-04-03 at 17:25 +0800, Yijing Wang wrote:
> Now we have weak functions like pcibios_root_bridge_prepare()
> to setup pci host bridge, We could introduce pci_host_bridge_ops
> which contain host bridge specific ops to setup pci_host_bridge.
> Then host bridge driver could add pci_host_bridge_ops hooks
> intead of weak function to setup pci_host_bridge.
> This patch add following pci_host_bridge_ops hooks:
> 
> pci_host_bridge_ops {
> 	struct pci_ops *ops;
Trivial nit, but this is 'struct pci_ops *pci_ops' in the code below.

> +struct pci_host_bridge;
> +struct pci_host_bridge_ops {
> +	struct pci_ops *pci_ops;
> +	int (*prepare)(struct pci_host_bridge *host);
> +	void (*set_root_bus_speed)(struct pci_host_bridge *host);
> +	int (*scan_bus)(struct pci_host_bridge *host);
> +};
> +

Regards,
Daniel

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