diff options
| author | Jiang Liu <jiang.liu@huawei.com> | 2012-03-22 00:22:35 +0800 |
|---|---|---|
| committer | Yinghai Lu <yinghai@kernel.org> | 2012-09-17 22:17:14 -0700 |
| commit | a26b4bc1ea2453f619b44a0d765e9a62fb5fa876 (patch) | |
| tree | cf9dfe439182964d55a3802ab42ae8821aa0dd19 | |
| parent | 2fa45e44ac7319ebab13adb9d6f19a26f4ee9242 (diff) | |
| download | linux-yinghai-a26b4bc1ea2453f619b44a0d765e9a62fb5fa876.tar.gz | |
ACPI, PCI: Use normal list for struct acpi_pci_driver
Use normal list for struct acpi_pci_driver to simplify code.
Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
| -rw-r--r-- | drivers/acpi/pci_root.c | 16 | ||||
| -rw-r--r-- | 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 b72c85c8d0d605..325cf5cb3f7014 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 a68609823fdd6e..90be9898110202 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)(struct acpi_pci_root *root); void (*remove)(struct acpi_pci_root *root); }; |