David Miller wrote:
> From: Stefan Richter <[email protected]>
> Date: Tue, 18 Dec 2007 11:38:27 +0100
>
>> Also note:
>> - The very same code did not oops at this point in 2.6.22. It only
>> started doing so in 2.6.23.
>
> 2.6.23 is when the sparc64 IOMMU code started relying upon
> the dev_archdata bits being correct.
And why are the dev_archdata corrupt?
Does arch/sparc64/kernel/pci.c fill them in incorrectly or too late?
drivers/firewire/fw_ohci.c needs them for dma_map_single() +
dma_sync_single_for_device() in the pci_driver.probe(), sometime after
it called pci_enable_device(), before finishing the probe.
--
Stefan Richter
-=====-=-=== ==-- =--==
http://arcgraph.de/sr/
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