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ata: ahci: Add debug print for external port

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Add a debug print that tells us if LPM is not getting enabled because the
port is external.

Reviewed-by: Damien Le Moal <[email protected]>
Reviewed-by: Hannes Reinecke <[email protected]>
Reviewed-by: Martin K. Petersen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Niklas Cassel <[email protected]>
This commit is contained in:
Niklas Cassel committed 2024-07-04 11:52:32 +02:00
1 parent 0d3603acff
commit f97106b10d
1 file changed
+3 -1
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drivers/ata/ahci.c
+3 -1
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@@ -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) &&