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| author | Niklas Cassel <cassel@kernel.org> | 2024-07-03 20:44:26 +0200 |
|---|---|---|
| committer | Niklas Cassel <cassel@kernel.org> | 2024-07-04 11:52:32 +0200 |
| commit | f97106b10d9ac0b5472be45cbc2d3de7d654648a (patch) | |
| tree | 5023335dc4ea51c1a8cfd80dd7f981e6dd4df8ae /drivers/ata | |
| parent | ata,scsi: Remove wrapper ata_sas_port_alloc() (diff) | |
| download | linux-f97106b10d9ac0b5472be45cbc2d3de7d654648a.tar.xz linux-f97106b10d9ac0b5472be45cbc2d3de7d654648a.zip | |
ata: ahci: Add debug print for external port
Add a debug print that tells us if LPM is not getting enabled because the
port is external.
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20240703184418.723066-20-cassel@kernel.org
Signed-off-by: Niklas Cassel <cassel@kernel.org>
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/ahci.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index fc6fd583faf8..a05c17249448 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -1732,8 +1732,10 @@ static void ahci_update_initial_lpm_policy(struct ata_port *ap) * Management Interaction in AHCI 1.3.1. Therefore, do not enable * LPM if the port advertises itself as an external port. */ - if (ap->pflags & ATA_PFLAG_EXTERNAL) + if (ap->pflags & ATA_PFLAG_EXTERNAL) { + ata_port_dbg(ap, "external port, not enabling LPM\n"); return; + } /* If no LPM states are supported by the HBA, do not bother with LPM */ if ((ap->host->flags & ATA_HOST_NO_PART) && |