linux-kernel - RE: [PATCH 2/2] PCI/IA64: fix pci_dev->enable

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Date:	Mon, 1 Apr 2013 22:23:32 +0000
From:	"Luck, Tony" <tony.luck@...el.com>
To:	Yijing Wang <wangyijing@...wei.com>,
	Bjorn Helgaas <bhelgaas@...gle.com>
CC:	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Hanjun Guo <guohanjun@...wei.com>,
	"jiang.liu@...wei.com" <jiang.liu@...wei.com>,
	"Yu, Fenghua" <fenghua.yu@...el.com>,
	Yinghai Lu <yinghai@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Thierry Reding <thierry.reding@...onic-design.de>,
	"Wysocki, Rafael J" <rafael.j.wysocki@...el.com>
Subject: RE: [PATCH 2/2] PCI/IA64: fix pci_dev->enable_cnt balance when
 doing pci hotplug

> In IA64 platform, we don't call pci_enable_bridges()
> when scan all pci buses during system boot up. But in
> X86 we do it in

Your patch looks plausible ... but I have a question. X86 doesn't
*directly* call pci_enable_bridges() from any arch/x86/* file.

Do we need this in an arch/ia64 file because our PCI support
is getting old and stale?  "git grep" says that arm, m68k, mips
and sh all make direct calls.

-Tony
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