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    SubjectRe: [PATCH] sata_nv,ahci: add the ahci legacy mode support to sata_nv
    Yes, link - http://lkml.org/lkml/2007/10/8/93 add the AHCI legacy
    support to sata_nv when IDE/RAID mode been set in SBIOS and Device IDs
    are not in ahci.c at this moment. To do so, when a new chipset come
    out and DIDs haven't been submited to LKML,user still can use ahci
    driver to handle it when setting AHCI mode in BIOS, using sata_nv when
    setting RAID/IDE in BIOS.
    For example, ahci driver in Fedora 7 doesn't include the DIDs of
    MCP78, so if you set the IDE/RAID mode in BIOS, os installation onto
    SATA drive will fail. But if Fedora 7 include this patch, installation
    will be successful.

    2007/10/19, Jeff Garzik <jeff@garzik.org>:
    > peer chen wrote:
    > > Ok,I agree to use AHCI driver for our AHCI controllers no matter their
    > > class codes are IDE/RAID/AHCI. But for those new or upcoming AHCI
    > > controller which DIDs are not included in ahci.c and also IDE/RAID
    > > mode being set in BIOS, no driver will be loaded currently, so I hope
    > > the first patch http://lkml.org/lkml/2007/10/8/93 can be appied for
    > > this case. Any comments?
    >
    > hmmm is that the correct URL? That one updates sata_nv to support AHCI
    > controllers?.
    >
    > I would think you would want to add the RAID class code to ahci.c
    > instead? And just some regular PCI IDs?
    >
    > Jeff
    >
    >
    >
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