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-rw-r--r--drivers/pci/hotplug/pciehp_ctrl.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c
index 7f22caa7017..98e541ffef3 100644
--- a/drivers/pci/hotplug/pciehp_ctrl.c
+++ b/drivers/pci/hotplug/pciehp_ctrl.c
@@ -197,6 +197,12 @@ static void set_slot_off(struct controller *ctrl, struct slot * pslot)
__FUNCTION__);
return;
}
+ /*
+ * After turning power off, we must wait for at least
+ * 1 second before taking any action that relies on
+ * power having been removed from the slot/adapter.
+ */
+ msleep(1000);
}
}
@@ -615,6 +621,12 @@ int pciehp_disable_slot(struct slot *p_slot)
mutex_unlock(&p_slot->ctrl->crit_sect);
return -EINVAL;
}
+ /*
+ * After turning power off, we must wait for at least
+ * 1 second before taking any action that relies on
+ * power having been removed from the slot/adapter.
+ */
+ msleep(1000);
}
ret = remove_board(p_slot);