PCI: pciehp: disable DLL state changed event notification

Current pciehp doesn't handle Data Link Layer State Changed Event
notification. So it needs to be disabled at initialization time,
otherwise other event notifications are not generated.

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 9ef4605..36f8545 100644 (file)
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -866,7 +866,8 @@ static void pcie_disable_notification(struct controller *ctrl)
        u16 mask;
        mask = (PCI_EXP_SLTCTL_PDCE | PCI_EXP_SLTCTL_ABPE |
                PCI_EXP_SLTCTL_MRLSCE | PCI_EXP_SLTCTL_PFDE |
-               PCI_EXP_SLTCTL_HPIE | PCI_EXP_SLTCTL_CCIE);
+               PCI_EXP_SLTCTL_HPIE | PCI_EXP_SLTCTL_CCIE |
+               PCI_EXP_SLTCTL_DLLSCE);
        if (pcie_write_cmd(ctrl, 0, mask))
                ctrl_warn(ctrl, "Cannot disable software notification\n");
 }