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path: root/drivers/acpi/pci_link.c
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Diffstat (limited to 'drivers/acpi/pci_link.c')
-rw-r--r--drivers/acpi/pci_link.c66
1 files changed, 23 insertions, 43 deletions
diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c
index 4a29763b8eb..cfd7581cc19 100644
--- a/drivers/acpi/pci_link.c
+++ b/drivers/acpi/pci_link.c
@@ -39,11 +39,9 @@
#include <linux/pci.h>
#include <linux/mutex.h>
#include <linux/slab.h>
+#include <linux/acpi.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
-
-#define PREFIX "ACPI: "
+#include "internal.h"
#define _COMPONENT ACPI_PCI_COMPONENT
ACPI_MODULE_NAME("pci_link");
@@ -53,23 +51,19 @@ ACPI_MODULE_NAME("pci_link");
#define ACPI_PCI_LINK_FILE_STATUS "state"
#define ACPI_PCI_LINK_MAX_POSSIBLE 16
-static int acpi_pci_link_add(struct acpi_device *device);
-static int acpi_pci_link_remove(struct acpi_device *device, int type);
+static int acpi_pci_link_add(struct acpi_device *device,
+ const struct acpi_device_id *not_used);
+static void acpi_pci_link_remove(struct acpi_device *device);
static const struct acpi_device_id link_device_ids[] = {
{"PNP0C0F", 0},
{"", 0},
};
-MODULE_DEVICE_TABLE(acpi, link_device_ids);
-static struct acpi_driver acpi_pci_link_driver = {
- .name = "pci_link",
- .class = ACPI_PCI_LINK_CLASS,
+static struct acpi_scan_handler pci_link_handler = {
.ids = link_device_ids,
- .ops = {
- .add = acpi_pci_link_add,
- .remove = acpi_pci_link_remove,
- },
+ .attach = acpi_pci_link_add,
+ .detach = acpi_pci_link_remove,
};
/*
@@ -358,6 +352,7 @@ static int acpi_pci_link_set(struct acpi_pci_link *link, int irq)
}
resource->end.type = ACPI_RESOURCE_TYPE_END_TAG;
+ resource->end.length = sizeof(struct acpi_resource);
/* Attempt to set the resource */
status = acpi_set_current_resources(link->device->handle, &buffer);
@@ -692,7 +687,8 @@ int acpi_pci_link_free_irq(acpi_handle handle)
Driver Interface
-------------------------------------------------------------------------- */
-static int acpi_pci_link_add(struct acpi_device *device)
+static int acpi_pci_link_add(struct acpi_device *device,
+ const struct acpi_device_id *not_used)
{
int result;
struct acpi_pci_link *link;
@@ -720,21 +716,21 @@ static int acpi_pci_link_add(struct acpi_device *device)
acpi_device_bid(device));
for (i = 0; i < link->irq.possible_count; i++) {
if (link->irq.active == link->irq.possible[i]) {
- printk(" *%d", link->irq.possible[i]);
+ printk(KERN_CONT " *%d", link->irq.possible[i]);
found = 1;
} else
- printk(" %d", link->irq.possible[i]);
+ printk(KERN_CONT " %d", link->irq.possible[i]);
}
- printk(")");
+ printk(KERN_CONT ")");
if (!found)
- printk(" *%d", link->irq.active);
+ printk(KERN_CONT " *%d", link->irq.active);
if (!link->device->status.enabled)
- printk(", disabled.");
+ printk(KERN_CONT ", disabled.");
- printk("\n");
+ printk(KERN_CONT "\n");
list_add_tail(&link->list, &acpi_link_list);
@@ -746,7 +742,7 @@ static int acpi_pci_link_add(struct acpi_device *device)
if (result)
kfree(link);
- return result;
+ return result < 0 ? result : 1;
}
static int acpi_pci_link_resume(struct acpi_pci_link *link)
@@ -766,7 +762,7 @@ static void irqrouter_resume(void)
}
}
-static int acpi_pci_link_remove(struct acpi_device *device, int type)
+static void acpi_pci_link_remove(struct acpi_device *device)
{
struct acpi_pci_link *link;
@@ -777,7 +773,6 @@ static int acpi_pci_link_remove(struct acpi_device *device, int type)
mutex_unlock(&acpi_link_lock);
kfree(link);
- return 0;
}
/*
@@ -874,20 +869,10 @@ static struct syscore_ops irqrouter_syscore_ops = {
.resume = irqrouter_resume,
};
-static int __init irqrouter_init_ops(void)
-{
- if (!acpi_disabled && !acpi_noirq)
- register_syscore_ops(&irqrouter_syscore_ops);
-
- return 0;
-}
-
-device_initcall(irqrouter_init_ops);
-
-static int __init acpi_pci_link_init(void)
+void __init acpi_pci_link_init(void)
{
if (acpi_noirq)
- return 0;
+ return;
if (acpi_irq_balance == -1) {
/* no command line switch: enable balancing in IOAPIC mode */
@@ -896,11 +881,6 @@ static int __init acpi_pci_link_init(void)
else
acpi_irq_balance = 0;
}
-
- if (acpi_bus_register_driver(&acpi_pci_link_driver) < 0)
- return -ENODEV;
-
- return 0;
+ register_syscore_ops(&irqrouter_syscore_ops);
+ acpi_scan_add_handler(&pci_link_handler);
}
-
-subsys_initcall(acpi_pci_link_init);