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| author | Lin Ming <ming.m.lin@intel.com> | 2012-06-25 16:13:06 +0800 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2012-06-29 11:38:13 -0400 |
| commit | 3bd46600a7a7e938c54df8cdbac9910668c7dfb0 (patch) | |
| tree | 72272f24842f7487b918a47c6e7244e92cad9ae4 /drivers/ata/libata-scsi.c | |
| parent | febe53ba6b781862c12686c7ea1972bdedee457a (diff) | |
| download | linux-3bd46600a7a7e938c54df8cdbac9910668c7dfb0.tar.gz linux-3bd46600a7a7e938c54df8cdbac9910668c7dfb0.tar.bz2 linux-3bd46600a7a7e938c54df8cdbac9910668c7dfb0.zip | |
libata-acpi: add ata port runtime D3Cold support
ATA port may support runtime D3Cold state, for example, Zero-power ODD case.
This patch adds wakeup notifier and enable/disable run_wake during
supend/resume.
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/ata/libata-scsi.c')
| -rw-r--r-- | drivers/ata/libata-scsi.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 22226350cd0c..8ec81ca8f659 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -3445,6 +3445,7 @@ void ata_scsi_scan_host(struct ata_port *ap, int sync) if (!IS_ERR(sdev)) { dev->sdev = sdev; scsi_device_put(sdev); + ata_acpi_bind(dev); } else { dev->sdev = NULL; } @@ -3541,6 +3542,8 @@ static void ata_scsi_remove_dev(struct ata_device *dev) mutex_lock(&ap->scsi_host->scan_mutex); spin_lock_irqsave(ap->lock, flags); + ata_acpi_unbind(dev); + /* clearing dev->sdev is protected by host lock */ sdev = dev->sdev; dev->sdev = NULL; |