[PATCH 2/3] libata: resume in the background

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Don't block the resume path waiting for the disk to
spin up.
---
 drivers/ata/libata-core.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 573d151..16f45dc 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -5420,20 +5420,18 @@ static int __ata_port_resume_common(struct ata_port *ap, pm_message_t mesg,
 static int ata_port_resume_common(struct device *dev, pm_message_t mesg)
 {
 	struct ata_port *ap = to_ata_port(dev);
+	static int dontcare;
 
-	return __ata_port_resume_common(ap, mesg, NULL);
+	return __ata_port_resume_common(ap, mesg, &dontcare);
 }
 
 static int ata_port_resume(struct device *dev)
 {
 	int rc;
 
+	if (pm_runtime_suspended(dev))
+		return 0;
 	rc = ata_port_resume_common(dev, PMSG_RESUME);
-	if (!rc) {
-		pm_runtime_disable(dev);
-		pm_runtime_set_active(dev);
-		pm_runtime_enable(dev);
-	}
 
 	return rc;
 }
-- 
1.8.3.2

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