diff options
Diffstat (limited to 'drivers/ata/libata-core.c')
-rw-r--r-- | drivers/ata/libata-core.c | 10 |
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); |