+linux-ide On 11/05/2013 08:52 AM, Phillip Susi wrote: > The ATA SLEEP mode saves some more power than SUSPEND, and > has basically the same recovery time, so use it instead.
I suppose this is mainly for runtime PM? Since for system suspend/hibernation, the disk and its controller will be powered off anyway. Best regards, Aaron > > Signed-off-by: Phillip Susi <ps...@ubuntu.com> > --- > drivers/ata/libata-scsi.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c > index 97a0cef..79b75fd 100644 > --- a/drivers/ata/libata-scsi.c > +++ b/drivers/ata/libata-scsi.c > @@ -1362,8 +1362,8 @@ static unsigned int ata_scsi_start_stop_xlat(struct > ata_queued_cmd *qc) > system_entering_hibernation()) > goto skip; > > - /* Issue ATA STANDBY IMMEDIATE command */ > - tf->command = ATA_CMD_STANDBYNOW1; > + /* Issue ATA SLEEP command */ > + tf->command = ATA_CMD_SLEEP; > } > > /* > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
