diff options
| author | Shaohua Li <shaohua.li@intel.com> | 2007-10-11 23:53:58 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2007-10-11 23:53:58 +0200 |
| commit | 5e32132befa5d2cefadf3141fee0bbb40cd11f0e (patch) | |
| tree | 7bf2002e49b169d24b87a8fe71364875e04d1e90 /drivers/acpi/pci_irq.c | |
| parent | 8cb1f567f4c0a2fde9cbf77c2af888a28cab3423 (diff) | |
ide: hook ACPI _PSx method to IDE power on/off
ACPI spec defines the sequence of IDE power on/off:
Powering down:
Call _GTM.
Power down drive (calls _PS3 method and turns off power planes).
Powering up:
Power up drive (calls _PS0 method if present and turns on power planes).
Call _STM passing info from _GTM (possibly modified), with ID data from
each drive.
Initialize the channel.
May modify the results of _GTF.
For each drive:
Call _GTF.
Execute task file (possibly modified).
This patch adds the missed _PS0/_PS3 methods call.
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Acked-by: Len Brown <len.brown@intel.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/acpi/pci_irq.c')
0 files changed, 0 insertions, 0 deletions