Re: [PATCH 2.6.13] libata: use common pci remove in ahci

[Brett Russ <russb@emc.com>]

Jeff Garzik wrote:
> Brett Russ wrote:
> > 2) Isn't it wrong for the IRQ disable at the chip to occur *after*
> > free_irq() is called to disconnect the handler (independent of
> > question 1...since this is the case currently)?  Granted, all of the
> > ports have gone through scsi_remove_host() but theoretically there
> > still is a possibility the chip could interrupt.
> >
> > If I'm wrong on both counts I'll blame it on need for sleep... :-)
>
>
>
> Moving AHCI away from ata_pci_remove_one() was actually intentional. 
> This gives the driver a bit more freedom:  legacy region handling and 
> ->host_stop() became unnecessary.  Also, I was concerned that 
> ata_pci_remove_one() might grow into a one-size-fits-all unmaintainable 
> behemoth.
>
> Short term, if one were being obsessive, a potential cleanup could be to 
> make common the two loops in ahci_remove_one()/ata_pci_remove_one().
>
> Long term, libata driver API should become more like the 
> register_foo()/unregister_foo() interfaces you see elsewhere in the 
> kernel.  That direction has the potential to shake up the current code 
> path through ata_pci_remove_one().
>
> So... your patch, while technically correct, is going in the opposite 
> direction to where I want to go :)


Good to know, thanks for explaining the goals.  How about question #2 above?

Thanks,
BR
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