On Mon, Jun 30, 2025 at 03:26:33PM +0900, Damien Le Moal wrote: > The AHCI specification version 1.3.1 section 8.3.1.4 (Software > Requirements and Precedence) states that: > > If CAP.SSC or CAP.PSC is cleared to ‘0’, software should disable > device-initiated power management by issuing the appropriate SET > FEATURES command to the device. > > To satisfy this constraint and force ata_dev_configure to disable the > device DIPM feature, modify ahci_update_initial_lpm_policy() to set the > ATA_FLAG_NO_DIPM flag on ports that have a host with either the > ATA_HOST_NO_PART flag set or the ATA_HOST_NO_SSC flag set. > > Signed-off-by: Damien Le Moal <dlemoal@xxxxxxxxxx> Reviewed-by: Niklas Cassel <cassel@xxxxxxxxxx>
