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| author | Shaohua Li | 2007-10-11 23:53:58 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz | 2007-10-11 23:53:58 +0200 |
| commit | 5e32132befa5d2cefadf3141fee0bbb40cd11f0e (patch) | |
| tree | 7bf2002e49b169d24b87a8fe71364875e04d1e90 /include/linux/ide.h | |
| parent | ide: Platform IDE driver (diff) | |
| download | kernel-qcow2-linux-5e32132befa5d2cefadf3141fee0bbb40cd11f0e.tar.gz kernel-qcow2-linux-5e32132befa5d2cefadf3141fee0bbb40cd11f0e.tar.xz kernel-qcow2-linux-5e32132befa5d2cefadf3141fee0bbb40cd11f0e.zip | |
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 'include/linux/ide.h')
| -rw-r--r-- | include/linux/ide.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/ide.h b/include/linux/ide.h index 0665428356d3..80ea946282d7 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1338,11 +1338,13 @@ extern int ide_acpi_exec_tfs(ide_drive_t *drive); extern void ide_acpi_get_timing(ide_hwif_t *hwif); extern void ide_acpi_push_timing(ide_hwif_t *hwif); extern void ide_acpi_init(ide_hwif_t *hwif); +extern void ide_acpi_set_state(ide_hwif_t *hwif, int on); #else static inline int ide_acpi_exec_tfs(ide_drive_t *drive) { return 0; } static inline void ide_acpi_get_timing(ide_hwif_t *hwif) { ; } static inline void ide_acpi_push_timing(ide_hwif_t *hwif) { ; } static inline void ide_acpi_init(ide_hwif_t *hwif) { ; } +static inline void ide_acpi_set_state(ide_hwif_t *hwif, int on) {} #endif extern int ide_hwif_request_regions(ide_hwif_t *hwif); |