On 12/7/05, Matthew Garrett <[email protected]> wrote:
> On Wed, Dec 07, 2005 at 03:45:19PM +0100, Bartlomiej Zolnierkiewicz wrote:
>
> > OK, I understand it now - when using 'ide-generic' host driver for IDE
> > PCI device, resume fails (for obvious reason - IDE PCI device is not
> > re-configured) and this patch fixes it through using ACPI methods.
>
> Unfortunately not - you get the same failure with piix (am I right in
> thinking that piix doesn't have any suspend/resume methods beyond the
> generic PCI ones? I'm afraid I don't have enough knowledge of the IDE
> layer to know if there's some other magic that calls an ide-specific
> resume function in it...)
PCI device will get re-configured indirectly by ide_complete_power_step()
which is calling hwif->ide_dma_check() (piix_config_drive_xfer_rate).
Bartlomiej
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