Add a debug print that tells us if LPM is not getting enabled because the
port is external.
Signed-off-by: Niklas Cassel <cassel@xxxxxxxxxx>
---
drivers/ata/ahci.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 07d66d2c5f0d..d79e46a59df9 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;
+ }
/* user modified policy via module param */
if (mobile_lpm_policy != -1) {
--
2.45.2
