diff options
author | Shaohua Li <shaohua.li@intel.com> | 2007-10-11 17:53:58 -0400 |
---|---|---|
committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2007-10-11 17:53:58 -0400 |
commit | 5e32132befa5d2cefadf3141fee0bbb40cd11f0e (patch) | |
tree | 7bf2002e49b169d24b87a8fe71364875e04d1e90 /drivers/acpi/bus.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/bus.c')
-rw-r--r-- | drivers/acpi/bus.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 9ba778a2b484..feab124d8e05 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c | |||
@@ -262,10 +262,12 @@ int acpi_bus_set_power(acpi_handle handle, int state) | |||
262 | printk(KERN_WARNING PREFIX | 262 | printk(KERN_WARNING PREFIX |
263 | "Transitioning device [%s] to D%d\n", | 263 | "Transitioning device [%s] to D%d\n", |
264 | device->pnp.bus_id, state); | 264 | device->pnp.bus_id, state); |
265 | else | 265 | else { |
266 | device->power.state = state; | ||
266 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, | 267 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, |
267 | "Device [%s] transitioned to D%d\n", | 268 | "Device [%s] transitioned to D%d\n", |
268 | device->pnp.bus_id, state)); | 269 | device->pnp.bus_id, state)); |
270 | } | ||
269 | 271 | ||
270 | return result; | 272 | return result; |
271 | } | 273 | } |