add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/pci/hotplug/cpqphp_ctrl.c
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@@ -1130,9 +1130,7 @@
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 	for (slot = ctrl->slot; slot; slot = slot->next) {
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 		if (slot->device == (hp_slot + ctrl->slot_device_offset))
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 			continue;
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-		if (!slot->hotplug_slot || !slot->hotplug_slot->info)
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-			continue;
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-		if (slot->hotplug_slot->info->adapter_status == 0)
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+		if (get_presence_status(ctrl, slot) == 0)
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 			continue;
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 		/* If another adapter is running on the same segment but at a
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 		 * lower speed/mode, we allow the new adapter to function at
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@@ -1767,24 +1765,6 @@
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 }
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-static int update_slot_info(struct controller *ctrl, struct slot *slot)
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-{
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-	struct hotplug_slot_info *info;
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-	int result;
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-
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-	info = kmalloc(sizeof(*info), GFP_KERNEL);
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-	if (!info)
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-		return -ENOMEM;
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-
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-	info->power_status = get_slot_enabled(ctrl, slot);
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-	info->attention_status = cpq_get_attention_status(ctrl, slot);
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-	info->latch_status = cpq_get_latch_status(ctrl, slot);
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-	info->adapter_status = get_presence_status(ctrl, slot);
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-	result = pci_hp_change_slot_info(slot->hotplug_slot, info);
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-	kfree(info);
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-	return result;
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-}
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-
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 static void interrupt_event_handler(struct controller *ctrl)
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 {
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 	int loop = 0;
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@@ -1884,9 +1864,6 @@
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 				/***********POWER FAULT */
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 				else if (ctrl->event_queue[loop].event_type == INT_POWER_FAULT) {
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 					dbg("power fault\n");
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-				} else {
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-					/* refresh notification */
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-					update_slot_info(ctrl, p_slot);
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 				}
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 				ctrl->event_queue[loop].event_type = 0;
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@@ -1895,8 +1872,6 @@
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 			}
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 		}		/* End of FOR loop */
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 	}
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-
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-	return;
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 }
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@@ -1966,8 +1941,6 @@
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 		p_slot->state = STATIC_STATE;
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 	}
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-
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-	return;
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 }
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@@ -2057,9 +2030,6 @@
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 	if (rc)
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 		dbg("%s: rc = %d\n", __func__, rc);
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-	if (p_slot)
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-		update_slot_info(ctrl, p_slot);
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-
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 	return rc;
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 }
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@@ -2124,9 +2094,6 @@
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 	} else if (!rc) {
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 		rc = 1;
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 	}
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-
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-	if (p_slot)
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-		update_slot_info(ctrl, p_slot);
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 	return rc;
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 }