summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorNiklas Cassel <cassel@kernel.org>2024-07-03 20:44:26 +0200
committerNiklas Cassel <cassel@kernel.org>2024-07-04 11:52:32 +0200
commitf97106b10d9ac0b5472be45cbc2d3de7d654648a (patch)
tree5023335dc4ea51c1a8cfd80dd7f981e6dd4df8ae
parent0d3603acffe294ffacaf75b18b46f182b68a50df (diff)
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>
-rw-r--r--drivers/ata/ahci.c4
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) &&