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SubjectRe: [PATCH] libata: fix combined mode (was Re: Happy New Year (and v2.6.20-rc3 released))
Or maybe this rephrase helps:

Regardless of how the IDE quirks have configured the PCI BARs, libata is
written to assume that /all/ struct pci_dev resources for a single PCI
device are reserved to the libata driver.

Thus, if you avoid calling pci_request_regions (as your patch does), you
must manually provide the same guarantees that pci_request_regions
provides to its callers.

Jeff



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