diff options
Diffstat (limited to 'drivers/pci/hotplug/pciehp_hpc.c')
| -rw-r--r-- | drivers/pci/hotplug/pciehp_hpc.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c index da4b020..d7d058f 100644 --- a/drivers/pci/hotplug/pciehp_hpc.c +++ b/drivers/pci/hotplug/pciehp_hpc.c @@ -619,9 +619,10 @@ static void pcie_disable_notification(struct controller *ctrl) /* * pciehp has a 1:1 bus:slot relationship so we ultimately want a secondary - * bus reset of the bridge, but if the slot supports surprise removal (or - * link state change based hotplug), we need to disable presence detection - * (or link state notifications) around the bus reset and clear any spurious + * bus reset of the bridge, but at the same time we want to ensure that it is + * not seen as a hot-unplug, followed by the hot-plug of the device. Thus, + * disable link state notification and presence detection change notification + * momentarily, if we see that they could interfere. Also, clear any spurious * events after. */ int pciehp_reset_slot(struct slot *slot, int probe) @@ -633,7 +634,7 @@ int pciehp_reset_slot(struct slot *slot, int probe) if (probe) return 0; - if (HP_SUPR_RM(ctrl) && !ATTN_BUTTN(ctrl)) { + if (!ATTN_BUTTN(ctrl)) { ctrl_mask |= PCI_EXP_SLTCTL_PDCE; stat_mask |= PCI_EXP_SLTSTA_PDC; } |