[PATCH v3 18/23] ata: libata-core: Do not poweroff runtime suspended ports

Damien Le Moal
2023-09-15T08:26:55Z

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: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Tested-by: Chia-Lin Kao (AceLan) <acelan.kao@canonical.com>
---
drivers/ata/libata-core.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index a4389dd807e5..c3adaa01cbe3 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -5219,7 +5219,8 @@ static int ata_port_pm_freeze(struct device *dev)

static int ata_port_pm_poweroff(struct device *dev)
{
- ata_port_suspend(to_ata_port(dev), PMSG_HIBERNATE, false);
+ if (!pm_runtime_suspended(dev))
+ ata_port_suspend(to_ata_port(dev), PMSG_HIBERNATE, false);
return 0;
}

--
2.41.0