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Diffstat (limited to 'drivers/ata/libata-core.c')
-rw-r--r--drivers/ata/libata-core.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 76c3c15cb1e6..736bee5dafeb 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -3619,8 +3619,14 @@ int sata_link_scr_lpm(struct ata_link *link, enum ata_lpm_policy policy,
3619 scontrol |= (0x2 << 8); 3619 scontrol |= (0x2 << 8);
3620 break; 3620 break;
3621 case ATA_LPM_MIN_POWER: 3621 case ATA_LPM_MIN_POWER:
3622 /* no restrictions on LPM transitions */ 3622 if (ata_link_nr_enabled(link) > 0)
3623 scontrol &= ~(0x3 << 8); 3623 /* no restrictions on LPM transitions */
3624 scontrol &= ~(0x3 << 8);
3625 else {
3626 /* empty port, power off */
3627 scontrol &= ~0xf;
3628 scontrol |= (0x1 << 2);
3629 }
3624 break; 3630 break;
3625 default: 3631 default:
3626 WARN_ON(1); 3632 WARN_ON(1);