From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: Linux PCI <linux-pci@vger.kernel.org>,
Jay Vosburgh <fubar@us.ibm.com>,
Ron Mercer <ron.mercer@qlogic.com>,
kaneshige.kenji@jp.fujitsu.com, linuxppc-dev@lists.ozlabs.org,
Breno Leitao <leitao@linux.vnet.ibm.com>
Subject: Re: [RFC PATCH] PCI-E broken on PPC (regression)
Date: Tue, 26 Jan 2010 13:59:31 +1100 [thread overview]
Message-ID: <1264474771.3601.110.camel@pasglop> (raw)
In-Reply-To: <20100125175025.4c74f412@jbarnes-piketon>
On Mon, 2010-01-25 at 17:50 -0800, Jesse Barnes wrote:
> > You mean dev->is_pcie?
> >
> > Why isn't pci_scan_device calling pci_setup_device for you? That
> > should do the proper PCIe init depending on the device, along with
> > extracting other device info...
>
> Cc'ing Ben for PPC. Ben, should PPC use pci_scan_device when probing
> its root busses? Sounds like it just uses pci_device_add for each one
> it finds instead?
>
> If you don't actually need scanning (though what about hotplug?) we can
> move the call to device_add instead...
I need to give it more brain cells than I have available today :-) I'll
have a look tomorrow. In some case we build the PCI stuff up from the
firmware device-tree without actually doing any config space scanning,
so the root busses are treated a bit special.
Cheers,
Ben.
next prev parent reply other threads:[~2010-01-26 2:59 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-25 13:42 [RFC PATCH] PCI-E broken on PPC (regression) Breno Leitao
2010-01-25 20:38 ` Jesse Barnes
2010-01-26 1:50 ` Jesse Barnes
2010-01-26 2:59 ` Benjamin Herrenschmidt [this message]
2010-01-26 4:36 ` Kenji Kaneshige
2010-01-27 2:10 ` Benjamin Herrenschmidt
2010-01-27 16:26 ` Jesse Barnes
2010-01-27 22:00 ` Benjamin Herrenschmidt
2010-01-28 0:01 ` David Miller
2010-01-28 0:03 ` Jesse Barnes
2010-01-29 3:45 ` Matthew Wilcox
2010-01-29 3:54 ` Benjamin Herrenschmidt
2010-02-18 0:22 ` David Miller
2010-02-18 0:29 ` Jesse Barnes
2010-01-26 4:18 ` Kenji Kaneshige
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