korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-09-21 20:22:13 +08:00
Code Issues Packages Projects Releases Wiki Activity

ata: ahci: Add debug print for external port

Browse Source 
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>
This commit is contained in:
Niklas Cassel 2024-07-03 20:44:26 +02:00
parent 0d3603acff
commit f97106b10d
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/ata/ahci.c
View File

@ -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) &&