1 files changed, 14 insertions, 58 deletions

diff --git a/drivers/pci/hotplug/cpci_hotplug_core.c b/drivers/pci/hotplug/cpci_hotplug_core.c
index 97c32e4c74c8..a17fb24c28cd 100644
--- a/drivers/pci/hotplug/cpci_hotplug_core.c
+++ b/drivers/pci/hotplug/cpci_hotplug_core.c
@@ -68,26 +68,6 @@ static const struct hotplug_slot_ops cpci_hotplug_slot_ops = {
 };
 
 static int
-update_latch_status(struct hotplug_slot *hotplug_slot, u8 value)
-{
-	struct hotplug_slot_info info;
-
-	memcpy(&info, hotplug_slot->info, sizeof(struct hotplug_slot_info));
-	info.latch_status = value;
-	return pci_hp_change_slot_info(hotplug_slot, &info);
-}
-
-static int
-update_adapter_status(struct hotplug_slot *hotplug_slot, u8 value)
-{
-	struct hotplug_slot_info info;
-
-	memcpy(&info, hotplug_slot->info, sizeof(struct hotplug_slot_info));
-	info.adapter_status = value;
-	return pci_hp_change_slot_info(hotplug_slot, &info);
-}
-
-static int
 enable_slot(struct hotplug_slot *hotplug_slot)
 {
 	struct slot *slot = hotplug_slot->private;
@@ -135,8 +115,7 @@ disable_slot(struct hotplug_slot *hotplug_slot)
 			goto disable_error;
 	}
 
-	if (update_adapter_status(slot->hotplug_slot, 0))
-		warn("failure to update adapter file");
+	slot->adapter_status = 0;
 
 	if (slot->extracting) {
 		slot->extracting = 0;
@@ -184,20 +163,23 @@ set_attention_status(struct hotplug_slot *hotplug_slot, u8 status)
 static int
 get_adapter_status(struct hotplug_slot *hotplug_slot, u8 *value)
 {
-	*value = hotplug_slot->info->adapter_status;
+	struct slot *slot = hotplug_slot->private;
+
+	*value = slot->adapter_status;
 	return 0;
 }
 
 static int
 get_latch_status(struct hotplug_slot *hotplug_slot, u8 *value)
 {
-	*value = hotplug_slot->info->latch_status;
+	struct slot *slot = hotplug_slot->private;
+
+	*value = slot->latch_status;
 	return 0;
 }
 
 static void release_slot(struct slot *slot)
 {
-	kfree(slot->hotplug_slot->info);
 	kfree(slot->hotplug_slot);
 	pci_dev_put(slot->dev);
 	kfree(slot);
@@ -210,7 +192,6 @@ cpci_hp_register_bus(struct pci_bus *bus, u8 first, u8 last)
 {
 	struct slot *slot;
 	struct hotplug_slot *hotplug_slot;
-	struct hotplug_slot_info *info;
 	char name[SLOT_NAME_SIZE];
 	int status;
 	int i;
@@ -237,13 +218,6 @@ cpci_hp_register_bus(struct pci_bus *bus, u8 first, u8 last)
 		}
 		slot->hotplug_slot = hotplug_slot;
 
-		info = kzalloc(sizeof(struct hotplug_slot_info), GFP_KERNEL);
-		if (!info) {
-			status = -ENOMEM;
-			goto error_hpslot;
-		}
-		hotplug_slot->info = info;
-
 		slot->bus = bus;
 		slot->number = i;
 		slot->devfn = PCI_DEVFN(i, 0);
@@ -253,19 +227,11 @@ cpci_hp_register_bus(struct pci_bus *bus, u8 first, u8 last)
 		hotplug_slot->private = slot;
 		hotplug_slot->ops = &cpci_hotplug_slot_ops;
 
-		/*
-		 * Initialize the slot info structure with some known
-		 * good values.
-		 */
-		dbg("initializing slot %s", name);
-		info->power_status = cpci_get_power_status(slot);
-		info->attention_status = cpci_get_attention_status(slot);
-
 		dbg("registering slot %s", name);
 		status = pci_hp_register(slot->hotplug_slot, bus, i, name);
 		if (status) {
 			err("pci_hp_register failed with error %d", status);
-			goto error_info;
+			goto error_hpslot;
 		}
 		dbg("slot registered with name: %s", slot_name(slot));
 
@@ -276,8 +242,6 @@ cpci_hp_register_bus(struct pci_bus *bus, u8 first, u8 last)
 		up_write(&list_rwsem);
 	}
 	return 0;
-error_info:
-	kfree(info);
 error_hpslot:
 	kfree(hotplug_slot);
 error_slot:
@@ -359,10 +323,8 @@ init_slots(int clear_ins)
 			    __func__, slot_name(slot));
 		dev = pci_get_slot(slot->bus, PCI_DEVFN(slot->number, 0));
 		if (dev) {
-			if (update_adapter_status(slot->hotplug_slot, 1))
-				warn("failure to update adapter file");
-			if (update_latch_status(slot->hotplug_slot, 1))
-				warn("failure to update latch file");
+			slot->adapter_status = 1;
+			slot->latch_status = 1;
 			slot->dev = dev;
 		}
 	}
@@ -424,11 +386,8 @@ check_slots(void)
 			dbg("%s - slot %s HS_CSR (2) = %04x",
 			    __func__, slot_name(slot), hs_csr);
 
-			if (update_latch_status(slot->hotplug_slot, 1))
-				warn("failure to update latch file");
-
-			if (update_adapter_status(slot->hotplug_slot, 1))
-				warn("failure to update adapter file");
+			slot->latch_status = 1;
+			slot->adapter_status = 1;
 
 			cpci_led_off(slot);
 
@@ -449,9 +408,7 @@ check_slots(void)
 			    __func__, slot_name(slot), hs_csr);
 
 			if (!slot->extracting) {
-				if (update_latch_status(slot->hotplug_slot, 0))
-					warn("failure to update latch file");
-
+				slot->latch_status = 0;
 				slot->extracting = 1;
 				atomic_inc(&extracting);
 			}
@@ -465,8 +422,7 @@ check_slots(void)
 				 */
 				err("card in slot %s was improperly removed",
 				    slot_name(slot));
-				if (update_adapter_status(slot->hotplug_slot, 0))
-					warn("failure to update adapter file");
+				slot->adapter_status = 0;
 				slot->extracting = 0;
 				atomic_dec(&extracting);
 			}