[SRU] [Artful] [PATCH 1/1] sky2: Increase D3 delay to sky2 stops working after suspend

Kai-Heng Feng kai.heng.feng at canonical.com
Thu Apr 12 06:28:27 UTC 2018


The sky2 ethernet stops working after system resume from suspend:
[ 582.852065] sky2 0000:04:00.0: Refused to change power state, currently in D3

The current 150ms delay is not enough, change it to 200ms can solve the
issue.

BugLink: https://bugs.launchpad.net/bugs/1758507
Cc: Stable <stable at vger.kernel.org>
Signed-off-by: Kai-Heng Feng <kai.heng.feng at canonical.com>
Signed-off-by: David S. Miller <davem at davemloft.net>
(cherry picked from commit afb133637071be6deeb8b3d0e55593ffbf63c527)
Signed-off-by: Kai-Heng Feng <kai.heng.feng at canonical.com>
---
 drivers/net/ethernet/marvell/sky2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c
index 1145cde2274a..b12e3a4f9439 100644
--- a/drivers/net/ethernet/marvell/sky2.c
+++ b/drivers/net/ethernet/marvell/sky2.c
@@ -5087,7 +5087,7 @@ static int sky2_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	INIT_WORK(&hw->restart_work, sky2_restart);
 
 	pci_set_drvdata(pdev, hw);
-	pdev->d3_delay = 150;
+	pdev->d3_delay = 200;
 
 	return 0;
 
-- 
2.17.0





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