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Date: Tue, 25 Nov 2008 13:43:24 -0800 From: Greg KH <greg@...ah.com> To: "Darrick J. Wong" <djwong@...ibm.com> Cc: linux-kernel <linux-kernel@...r.kernel.org> Subject: Re: [PATCH] fakephp: Allocate PCI resources before adding the device On Tue, Nov 25, 2008 at 01:24:22PM -0800, Darrick J. Wong wrote: > For PCI devices, pci_bus_assign_resources() must be called to set up the > pci_device->resource array before pci_bus_add_devices() can be called, else > attempts to load drivers results in BAR collision errors where there are none. > This is not done in fakephp, so devices can be "unplugged" but scanning the > parent bus won't bring the devices back due to resource unallocation. Move the > pci_bus_add_device-calling logic into pci_rescan_bus and preface it with a call > to pci_bus_assign_resources so that we only have to (re)allocate resources once > per bus where a new device is found. > > Signed-off-by: Darrick J. Wong <djwong@...ibm.com> Darrick, I am no longer the PCI maintainer, Jesse is. Please resend this to him, and the linux-pci mailing list if you want it to have a chance to get accepted. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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