From: Jiang Liu <jiang.liu@xxxxxxxxxx> Use normal list for struct acpi_pci_driver to simplify code. Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxx> Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx> --- drivers/acpi/pci_root.c | 16 +++------------- include/linux/acpi.h | 2 +- 2 files changed, 4 insertions(+), 14 deletions(-) diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index 12791fd..2aec08d 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -72,8 +72,8 @@ static struct acpi_driver acpi_pci_root_driver = { }; static LIST_HEAD(acpi_pci_roots); +static LIST_HEAD(acpi_pci_drivers); -static struct acpi_pci_driver *sub_driver; static DEFINE_MUTEX(osc_lock); int acpi_pci_register_driver(struct acpi_pci_driver *driver) @@ -81,10 +81,7 @@ int acpi_pci_register_driver(struct acpi_pci_driver *driver) int n = 0; struct acpi_pci_root *root; - struct acpi_pci_driver **pptr = &sub_driver; - while (*pptr) - pptr = &(*pptr)->next; - *pptr = driver; + list_add_tail(&driver->node, &acpi_pci_drivers); if (!driver->add) return 0; @@ -103,14 +100,7 @@ void acpi_pci_unregister_driver(struct acpi_pci_driver *driver) { struct acpi_pci_root *root; - 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->node); if (!driver->remove) return; diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 3ad510b..a54cf8e 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -138,7 +138,7 @@ void acpi_penalize_isa_irq(int irq, int active); void acpi_pci_irq_disable (struct pci_dev *dev); struct acpi_pci_driver { - struct acpi_pci_driver *next; + struct list_head node; int (*add)(acpi_handle handle); void (*remove)(acpi_handle handle); }; -- 1.7.7 -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html