On Sat, Oct 28, 2006 at 08:02:54PM +0100, Christoph Hellwig wrote:
> Any chance to just switch the driver to use the list.h APIs instead
> of opencoding lists?
Subject: [PATCH -mm] acpi: use list.h API for sub_driver list
Use the list.h APIs instead of opencoding lists.
Cc: Len Brown <[email protected]>
Signed-off-by: Akinobu Mita <[email protected]>
Index: work-fault-inject/drivers/acpi/pci_root.c
===================================================================
--- work-fault-inject.orig/drivers/acpi/pci_root.c
+++ work-fault-inject/drivers/acpi/pci_root.c
@@ -65,17 +65,14 @@ struct acpi_pci_root {
static LIST_HEAD(acpi_pci_roots);
-static struct acpi_pci_driver *sub_driver;
+static LIST_HEAD(sub_driver);
int acpi_pci_register_driver(struct acpi_pci_driver *driver)
{
int n = 0;
struct list_head *entry;
- struct acpi_pci_driver **pptr = &sub_driver;
- while (*pptr)
- pptr = &(*pptr)->next;
- *pptr = driver;
+ list_add_tail(&driver->list, &sub_driver);
if (!driver->add)
return 0;
@@ -96,14 +93,7 @@ void acpi_pci_unregister_driver(struct a
{
struct list_head *entry;
- struct acpi_pci_driver **pptr = &sub_driver;
- while (*pptr) {
- if (*pptr == driver)
- break;
- pptr = &(*pptr)->next;
- }
- BUG_ON(!*pptr);
- *pptr = (*pptr)->next;
+ list_del(&driver->list);
if (!driver->remove)
return;
Index: work-fault-inject/include/linux/acpi.h
===================================================================
--- work-fault-inject.orig/include/linux/acpi.h
+++ work-fault-inject/include/linux/acpi.h
@@ -480,7 +480,7 @@ void acpi_penalize_isa_irq(int irq, int
void acpi_pci_irq_disable (struct pci_dev *dev);
struct acpi_pci_driver {
- struct acpi_pci_driver *next;
+ struct list_head list;
int (*add)(acpi_handle handle);
void (*remove)(acpi_handle handle);
};
-
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