修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/drivers/pci/hotplug/acpiphp_core.c
..
..
@@ -8,7 +8,7 @@
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8
  * Copyright (C) 2002 Hiroshi Aono (h-aono@ap.jp.nec.com)
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  * Copyright (C) 2002,2003 Takayoshi Kochi (t-kochi@bq.jp.nec.com)
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  * Copyright (C) 2002,2003 NEC Corporation
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- * Copyright (C) 2003-2005 Matthew Wilcox (matthew.wilcox@hp.com)
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+ * Copyright (C) 2003-2005 Matthew Wilcox (willy@infradead.org)
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  * Copyright (C) 2003-2005 Hewlett Packard
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  *
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  * All rights reserved.
..
..
@@ -40,7 +40,7 @@
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 static struct acpiphp_attention_info *attention_info;
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41
 
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 #define DRIVER_VERSION	"0.5"
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-#define DRIVER_AUTHOR	"Greg Kroah-Hartman <gregkh@us.ibm.com>, Takayoshi Kochi <t-kochi@bq.jp.nec.com>, Matthew Wilcox <willy@hp.com>"
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+#define DRIVER_AUTHOR	"Greg Kroah-Hartman <gregkh@us.ibm.com>, Takayoshi Kochi <t-kochi@bq.jp.nec.com>, Matthew Wilcox <willy@infradead.org>"
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 #define DRIVER_DESC	"ACPI Hot Plug PCI Controller Driver"
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45
 
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 MODULE_AUTHOR(DRIVER_AUTHOR);
..
..
@@ -57,7 +57,7 @@
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 static int get_latch_status(struct hotplug_slot *slot, u8 *value);
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 static int get_adapter_status(struct hotplug_slot *slot, u8 *value);
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59
 
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-static struct hotplug_slot_ops acpi_hotplug_slot_ops = {
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+static const struct hotplug_slot_ops acpi_hotplug_slot_ops = {
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 	.enable_slot		= enable_slot,
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 	.disable_slot		= disable_slot,
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 	.set_attention_status	= set_attention_status,
..
..
@@ -118,7 +118,7 @@
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  */
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 static int enable_slot(struct hotplug_slot *hotplug_slot)
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 {
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-	struct slot *slot = hotplug_slot->private;
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+	struct slot *slot = to_slot(hotplug_slot);
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 	pr_debug("%s - physical_slot = %s\n", __func__, slot_name(slot));
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124
 
..
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@@ -135,7 +135,7 @@
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  */
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 static int disable_slot(struct hotplug_slot *hotplug_slot)
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 {
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-	struct slot *slot = hotplug_slot->private;
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+	struct slot *slot = to_slot(hotplug_slot);
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 	pr_debug("%s - physical_slot = %s\n", __func__, slot_name(slot));
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141
 
..
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@@ -179,7 +179,7 @@
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  */
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 static int get_power_status(struct hotplug_slot *hotplug_slot, u8 *value)
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 {
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-	struct slot *slot = hotplug_slot->private;
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+	struct slot *slot = to_slot(hotplug_slot);
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183
 
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 	pr_debug("%s - physical_slot = %s\n", __func__, slot_name(slot));
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185
 
..
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@@ -225,7 +225,7 @@
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  */
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 static int get_latch_status(struct hotplug_slot *hotplug_slot, u8 *value)
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 {
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-	struct slot *slot = hotplug_slot->private;
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+	struct slot *slot = to_slot(hotplug_slot);
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229
 
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 	pr_debug("%s - physical_slot = %s\n", __func__, slot_name(slot));
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..
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@@ -245,7 +245,7 @@
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  */
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 static int get_adapter_status(struct hotplug_slot *hotplug_slot, u8 *value)
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 {
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-	struct slot *slot = hotplug_slot->private;
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+	struct slot *slot = to_slot(hotplug_slot);
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 	pr_debug("%s - physical_slot = %s\n", __func__, slot_name(slot));
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..
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@@ -266,39 +266,26 @@
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 	if (!slot)
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 		goto error;
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-	slot->hotplug_slot = kzalloc(sizeof(*slot->hotplug_slot), GFP_KERNEL);
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-	if (!slot->hotplug_slot)
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-		goto error_slot;
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-
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-	slot->hotplug_slot->info = &slot->info;
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-
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-	slot->hotplug_slot->private = slot;
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-	slot->hotplug_slot->ops = &acpi_hotplug_slot_ops;
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+	slot->hotplug_slot.ops = &acpi_hotplug_slot_ops;
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270
 
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 	slot->acpi_slot = acpiphp_slot;
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-	slot->hotplug_slot->info->power_status = acpiphp_get_power_status(slot->acpi_slot);
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-	slot->hotplug_slot->info->attention_status = 0;
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-	slot->hotplug_slot->info->latch_status = acpiphp_get_latch_status(slot->acpi_slot);
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-	slot->hotplug_slot->info->adapter_status = acpiphp_get_adapter_status(slot->acpi_slot);
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272
 
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 	acpiphp_slot->slot = slot;
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 	slot->sun = sun;
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 	snprintf(name, SLOT_NAME_SIZE, "%u", sun);
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276
 
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-	retval = pci_hp_register(slot->hotplug_slot, acpiphp_slot->bus,
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+	retval = pci_hp_register(&slot->hotplug_slot, acpiphp_slot->bus,
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 				 acpiphp_slot->device, name);
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 	if (retval == -EBUSY)
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-		goto error_hpslot;
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+		goto error_slot;
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 	if (retval) {
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 		pr_err("pci_hp_register failed with error %d\n", retval);
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-		goto error_hpslot;
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+		goto error_slot;
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 	}
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 	pr_info("Slot [%s] registered\n", slot_name(slot));
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 	return 0;
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-error_hpslot:
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-	kfree(slot->hotplug_slot);
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 error_slot:
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 	kfree(slot);
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 error:
..
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@@ -312,8 +299,7 @@
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 	pr_info("Slot [%s] unregistered\n", slot_name(slot));
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-	pci_hp_deregister(slot->hotplug_slot);
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-	kfree(slot->hotplug_slot);
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+	pci_hp_deregister(&slot->hotplug_slot);
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 	kfree(slot);
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 }
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