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authorDamien Le Moal <dlemoal@kernel.org>2023-08-31 15:23:37 +0900
committerDamien Le Moal <dlemoal@kernel.org>2023-10-03 09:39:49 +0900
commit3a94af2488bfe7dfe70fd9277d4548f971b06ec8 (patch)
tree8c7942e24da7c2395a43fdf2633fd230ed659e69 /drivers/ata
parent09b055cfb0e9a337938f7a47681b2203bd7b85d2 (diff)
downloadlinux-3a94af2488bfe7dfe70fd9277d4548f971b06ec8.tar.gz
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: Damien Le Moal <dlemoal@kernel.org> Reviewed-by: Hannes Reinecke <hare@suse.de> Tested-by: Chia-Lin Kao (AceLan) <acelan.kao@canonical.com> Tested-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/ata')
-rw-r--r--drivers/ata/libata-core.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index c249016a59985..c9db2da582b70 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -5215,7 +5215,8 @@ 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;
}