From: Niklas Cassel <cassel@kernel.org>
Date: Wed, 3 Jul 2024 18:44:26 +0000 (+0200)
Subject: ata: ahci: Add debug print for external port
X-Git-Tag: v6.11-rc1~151^2~1
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=f97106b10d9ac0b5472be45cbc2d3de7d654648a;p=thirdparty%2Fkernel%2Flinux.git

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>
---

diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index fc6fd583faf8a..a05c172494481 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) &&