Commit f97106b1 authored by Niklas Cassel's avatar Niklas Cassel
Browse files

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: default avatarDamien Le Moal <dlemoal@kernel.org>
Reviewed-by: default avatarHannes Reinecke <hare@suse.de>
Reviewed-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20240703184418.723066-20-cassel@kernel.org


Signed-off-by: default avatarNiklas Cassel <cassel@kernel.org>
parent 0d3603ac

drivers/ata/ahci.c

+3 −1
Original line number Diff line number Diff line
@@ -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) &&