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[5/5] ata: ahci: Add debug print for external port

Message ID 20240618153537.2687621-12-cassel@kernel.org
State New
Headers show
Series Assign the unique id used for printing earlier | expand

Commit Message

Niklas Cassel June 18, 2024, 3:35 p.m. UTC 
Add a debug print that tells us if LPM is not getting enabled because the
port is external.

Signed-off-by: Niklas Cassel <cassel@kernel.org>
---
 drivers/ata/ahci.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

Comments

Damien Le Moal June 19, 2024, 3:48 a.m. UTC | #1 
On 6/19/24 00:35, Niklas Cassel wrote:
> Add a debug print that tells us if LPM is not getting enabled because the
> port is external.
> 
> Signed-off-by: Niklas Cassel <cassel@kernel.org>

Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
diff mbox series

Patch

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) {