Commit 3a94af24 authored by Damien Le Moal's avatar Damien Le Moal
Browse files

ata: libata-core: Do not poweroff runtime suspended ports 



When powering off, there is no need to suspend a port that has already
been runtime suspended. Skip the EH PM request in ata_port_pm_poweroff()
in this case.

Signed-off-by: default avatarDamien Le Moal <dlemoal@kernel.org>
Reviewed-by: default avatarHannes Reinecke <hare@suse.de>
Tested-by: default avatarChia-Lin Kao (AceLan) <acelan.kao@canonical.com>
Tested-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 09b055cf

drivers/ata/libata-core.c

+2 −1
Original line number Diff line number Diff line
@@ -5215,6 +5215,7 @@ static int ata_port_pm_freeze(struct device *dev) 


static int ata_port_pm_poweroff(struct device *dev)

{

	if (!pm_runtime_suspended(dev))

		ata_port_suspend(to_ata_port(dev), PMSG_HIBERNATE, false);

	return 0;

}