Re: [PATCH 4/5] e1000 : Make Intel e1000 driver legacy I/O port free

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On 11/22/06, Auke Kok <[email protected]> wrote:
I think we want to condense the USE_IOPORT flag together with the other hardware

two cases
1. the IO port is not allocated by firmware, but
pci_assign_unassigned_resources will get that allocated.
2. the IO port is allocated by firmware, the bar will be retrieved by

so acctully the device already get the bar allocated in any case.

So what the purpose of this patch? the /poc/ioports hide ioport for the driver?

It seems need to add some pci_quirk to clear the bar for 2, and skip
the resource allocation for 1.

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