X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=drivers%2Fpci%2Fhotplug%2Facpiphp_core.c;h=c57d9d5ce84e572e0ff39ada8fe81a6439d637e0;hb=170926993a320cd7b53c388e6ffc759de4fac472;hp=60c4c38047a3a63f4b308d269ddbb520c171a9e2;hpb=b857c730d4e960d1876ff56ce5c4bd81ea9ff5ae;p=mv-sheeva.git

diff --git a/drivers/pci/hotplug/acpiphp_core.c b/drivers/pci/hotplug/acpiphp_core.c
index 60c4c38047a..c57d9d5ce84 100644
--- a/drivers/pci/hotplug/acpiphp_core.c
+++ b/drivers/pci/hotplug/acpiphp_core.c
@@ -27,8 +27,7 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  *
- * Send feedback to <gregkh@us.ibm.com>,
- *		    <t-kochi@bq.jp.nec.com>
+ * Send feedback to <kristen.c.accardi@intel.com>
  *
  */
 
@@ -38,14 +37,12 @@
 
 #include <linux/kernel.h>
 #include <linux/pci.h>
+#include <linux/pci_hotplug.h>
 #include <linux/slab.h>
 #include <linux/smp.h>
 #include <linux/smp_lock.h>
-#include "pci_hotplug.h"
 #include "acpiphp.h"
 
-static LIST_HEAD(slot_list);
-
 #define MY_NAME	"acpiphp"
 
 static int debug;
@@ -341,62 +338,53 @@ static void release_slot(struct hotplug_slot *hotplug_slot)
 	kfree(slot);
 }
 
-/**
- * init_slots - initialize 'struct slot' structures for each slot
- *
- */
-static int __init init_slots(void)
+/* callback routine to initialize 'struct slot' for each slot */
+int acpiphp_register_hotplug_slot(struct acpiphp_slot *acpiphp_slot)
 {
 	struct slot *slot;
+	struct hotplug_slot *hotplug_slot;
+	struct hotplug_slot_info *hotplug_slot_info;
 	int retval = -ENOMEM;
-	int i;
-
-	for (i = 0; i < num_slots; ++i) {
-		slot = kmalloc(sizeof(struct slot), GFP_KERNEL);
-		if (!slot)
-			goto error;
-		memset(slot, 0, sizeof(struct slot));
-
-		slot->hotplug_slot = kmalloc(sizeof(struct hotplug_slot), GFP_KERNEL);
-		if (!slot->hotplug_slot)
-			goto error_slot;
-		memset(slot->hotplug_slot, 0, sizeof(struct hotplug_slot));
-
-		slot->hotplug_slot->info = kmalloc(sizeof(struct hotplug_slot_info), GFP_KERNEL);
-		if (!slot->hotplug_slot->info)
-			goto error_hpslot;
-		memset(slot->hotplug_slot->info, 0, sizeof(struct hotplug_slot_info));
-
-		slot->hotplug_slot->name = kmalloc(SLOT_NAME_SIZE, GFP_KERNEL);
-		if (!slot->hotplug_slot->name)
-			goto error_info;
-
-		slot->number = i;
-
-		slot->hotplug_slot->private = slot;
-		slot->hotplug_slot->release = &release_slot;
-		slot->hotplug_slot->ops = &acpi_hotplug_slot_ops;
-
-		slot->acpi_slot = get_slot_from_id(i);
-		slot->hotplug_slot->info->power_status = acpiphp_get_power_status(slot->acpi_slot);
-		slot->hotplug_slot->info->attention_status = 0;
-		slot->hotplug_slot->info->latch_status = acpiphp_get_latch_status(slot->acpi_slot);
-		slot->hotplug_slot->info->adapter_status = acpiphp_get_adapter_status(slot->acpi_slot);
-		slot->hotplug_slot->info->max_bus_speed = PCI_SPEED_UNKNOWN;
-		slot->hotplug_slot->info->cur_bus_speed = PCI_SPEED_UNKNOWN;
-
-		make_slot_name(slot);
-
-		retval = pci_hp_register(slot->hotplug_slot);
-		if (retval) {
-			err("pci_hp_register failed with error %d\n", retval);
-			goto error_name;
-		}
-
-		/* add slot to our internal list */
-		list_add(&slot->slot_list, &slot_list);
-		info("Slot [%s] registered\n", slot->hotplug_slot->name);
-	}
+
+	slot = kzalloc(sizeof(*slot), GFP_KERNEL);
+	if (!slot)
+		goto error;
+
+	slot->hotplug_slot = kzalloc(sizeof(*hotplug_slot), GFP_KERNEL);
+	if (!slot->hotplug_slot)
+		goto error_slot;
+
+	slot->hotplug_slot->info = kzalloc(sizeof(*hotplug_slot_info),
+					   GFP_KERNEL);
+	if (!slot->hotplug_slot->info)
+		goto error_hpslot;
+
+	slot->hotplug_slot->name = kzalloc(SLOT_NAME_SIZE, GFP_KERNEL);
+	if (!slot->hotplug_slot->name)
+		goto error_info;
+
+	slot->hotplug_slot->private = slot;
+	slot->hotplug_slot->release = &release_slot;
+	slot->hotplug_slot->ops = &acpi_hotplug_slot_ops;
+
+	slot->acpi_slot = acpiphp_slot;
+	slot->hotplug_slot->info->power_status = acpiphp_get_power_status(slot->acpi_slot);
+	slot->hotplug_slot->info->attention_status = 0;
+	slot->hotplug_slot->info->latch_status = acpiphp_get_latch_status(slot->acpi_slot);
+	slot->hotplug_slot->info->adapter_status = acpiphp_get_adapter_status(slot->acpi_slot);
+	slot->hotplug_slot->info->max_bus_speed = PCI_SPEED_UNKNOWN;
+	slot->hotplug_slot->info->cur_bus_speed = PCI_SPEED_UNKNOWN;
+
+	acpiphp_slot->slot = slot;
+	make_slot_name(slot);
+
+	retval = pci_hp_register(slot->hotplug_slot);
+	if (retval) {
+		err("pci_hp_register failed with error %d\n", retval);
+		goto error_name;
+ 	}
+
+	info("Slot [%s] registered\n", slot->hotplug_slot->name);
 
 	return 0;
 error_name:
@@ -412,40 +400,32 @@ error:
 }
 
 
-static void __exit cleanup_slots (void)
+void acpiphp_unregister_hotplug_slot(struct acpiphp_slot *acpiphp_slot)
 {
-	struct list_head *tmp, *n;
-	struct slot *slot;
+	struct slot *slot = acpiphp_slot->slot;
+	int retval = 0;
 
-	list_for_each_safe (tmp, n, &slot_list) {
-		/* memory will be freed in release_slot callback */
-		slot = list_entry(tmp, struct slot, slot_list);
-		list_del(&slot->slot_list);
-		pci_hp_deregister(slot->hotplug_slot);
-	}
+	info ("Slot [%s] unregistered\n", slot->hotplug_slot->name);
+
+	retval = pci_hp_deregister(slot->hotplug_slot);
+	if (retval)
+		err("pci_hp_deregister failed with error %d\n", retval);
 }
 
 
 static int __init acpiphp_init(void)
 {
-	int retval;
-
 	info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
 
 	acpiphp_debug = debug;
 
 	/* read all the ACPI info from the system */
-	retval = init_acpi();
-	if (retval)
-		return retval;
-
-	return init_slots();
+	return init_acpi();
 }
 
 
 static void __exit acpiphp_exit(void)
 {
-	cleanup_slots();
 	/* deallocate internal data structures etc. */
 	acpiphp_glue_exit();
 }