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>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 9ef4605c1ef6..36f8545a2813 100644
--- 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");
 }