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    Subject[PATCH 4.15 071/122] amd-xgbe: Restore PCI interrupt enablement setting on resume
    Date
    4.15-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Tom Lendacky <thomas.lendacky@amd.com>


    [ Upstream commit cfd092f2db8b4b6727e1c03ef68a7842e1023573 ]

    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@amd.com>
    Signed-off-by: David S. Miller <davem@davemloft.net>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    ---
    drivers/net/ethernet/amd/xgbe/xgbe-pci.c | 2 ++
    1 file changed, 2 insertions(+)

    --- 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_de
    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);


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