netdev - [PATCH net] amd-xgbe: Restore PCI interrupt enablement setting on resume

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Date:   Tue, 20 Feb 2018 15:22:05 -0600
From:   Tom Lendacky <thomas.lendacky@....com>
To:     netdev@...r.kernel.org
Cc:     David Miller <davem@...emloft.net>
Subject: [PATCH net] amd-xgbe: Restore PCI interrupt enablement setting on
 resume

After resuming from suspend, the PCI device support must re-enable the
interrupt setting so that interrupts are actually delivered.

Signed-off-by: Tom Lendacky <thomas.lendacky@....com>
---

Please queue this patch up to stable releases 4.14 and above.

 drivers/net/ethernet/amd/xgbe/xgbe-pci.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-pci.c b/drivers/net/ethernet/amd/xgbe/xgbe-pci.c
index 3e5833c..eb23f9b 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-pci.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-pci.c
@@ -426,6 +426,8 @@ static int xgbe_pci_resume(struct pci_dev *pdev)
 	struct net_device *netdev = pdata->netdev;
 	int ret = 0;
 
+	XP_IOWRITE(pdata, XP_INT_EN, 0x1fffff);
+
 	pdata->lpm_ctrl &= ~MDIO_CTRL1_LPOWER;
 	XMDIO_WRITE(pdata, MDIO_MMD_PCS, MDIO_CTRL1, pdata->lpm_ctrl);