diff options
Diffstat (limited to 'drivers/pnp/pnpacpi/core.c')
-rw-r--r-- | drivers/pnp/pnpacpi/core.c | 87 |
1 files changed, 48 insertions, 39 deletions
diff --git a/drivers/pnp/pnpacpi/core.c b/drivers/pnp/pnpacpi/core.c index fcd32ac..423c8e7 100644 --- a/drivers/pnp/pnpacpi/core.c +++ b/drivers/pnp/pnpacpi/core.c @@ -36,11 +36,11 @@ static int num = 0; * have irqs (PIC, Timer) because we call acpi_register_gsi. * Finaly only devices that have a CRS method need to be in this list. */ -static __initdata struct acpi_device_id excluded_id_list[] ={ - {"PNP0C09", 0}, /* EC */ - {"PNP0C0F", 0}, /* Link device */ - {"PNP0000", 0}, /* PIC */ - {"PNP0100", 0}, /* Timer */ +static __initdata struct acpi_device_id excluded_id_list[] = { + {"PNP0C09", 0}, /* EC */ + {"PNP0C0F", 0}, /* Link device */ + {"PNP0000", 0}, /* PIC */ + {"PNP0100", 0}, /* Timer */ {"", 0}, }; @@ -84,15 +84,17 @@ static void __init pnpidacpi_to_pnpid(char *id, char *str) str[7] = '\0'; } -static int pnpacpi_get_resources(struct pnp_dev * dev, struct pnp_resource_table * res) +static int pnpacpi_get_resources(struct pnp_dev *dev, + struct pnp_resource_table *res) { acpi_status status; - status = pnpacpi_parse_allocated_resource((acpi_handle)dev->data, - &dev->res); + status = pnpacpi_parse_allocated_resource((acpi_handle) dev->data, + &dev->res); return ACPI_FAILURE(status) ? -ENODEV : 0; } -static int pnpacpi_set_resources(struct pnp_dev * dev, struct pnp_resource_table * res) +static int pnpacpi_set_resources(struct pnp_dev *dev, + struct pnp_resource_table *res) { acpi_handle handle = dev->data; struct acpi_buffer buffer; @@ -119,27 +121,29 @@ static int pnpacpi_disable_resources(struct pnp_dev *dev) acpi_status status; /* acpi_unregister_gsi(pnp_irq(dev, 0)); */ - status = acpi_evaluate_object((acpi_handle)dev->data, - "_DIS", NULL, NULL); + status = acpi_evaluate_object((acpi_handle) dev->data, + "_DIS", NULL, NULL); return ACPI_FAILURE(status) ? -ENODEV : 0; } static int pnpacpi_suspend(struct pnp_dev *dev, pm_message_t state) { - return acpi_bus_set_power((acpi_handle)dev->data, - acpi_pm_device_sleep_state(&dev->dev, - device_may_wakeup(&dev->dev), NULL)); + return acpi_bus_set_power((acpi_handle) dev->data, + acpi_pm_device_sleep_state(&dev->dev, + device_may_wakeup + (&dev->dev), + NULL)); } static int pnpacpi_resume(struct pnp_dev *dev) { - return acpi_bus_set_power((acpi_handle)dev->data, ACPI_STATE_D0); + return acpi_bus_set_power((acpi_handle) dev->data, ACPI_STATE_D0); } static struct pnp_protocol pnpacpi_protocol = { - .name = "Plug and Play ACPI", - .get = pnpacpi_get_resources, - .set = pnpacpi_set_resources, + .name = "Plug and Play ACPI", + .get = pnpacpi_get_resources, + .set = pnpacpi_set_resources, .disable = pnpacpi_disable_resources, .suspend = pnpacpi_suspend, .resume = pnpacpi_resume, @@ -154,11 +158,11 @@ static int __init pnpacpi_add_device(struct acpi_device *device) status = acpi_get_handle(device->handle, "_CRS", &temp); if (ACPI_FAILURE(status) || !ispnpidacpi(acpi_device_hid(device)) || - is_exclusive_device(device)) + is_exclusive_device(device)) return 0; pnp_dbg("ACPI device : hid %s", acpi_device_hid(device)); - dev = kzalloc(sizeof(struct pnp_dev), GFP_KERNEL); + dev = kzalloc(sizeof(struct pnp_dev), GFP_KERNEL); if (!dev) { pnp_err("Out of memory"); return -ENOMEM; @@ -194,20 +198,23 @@ static int __init pnpacpi_add_device(struct acpi_device *device) pnpidacpi_to_pnpid(acpi_device_hid(device), dev_id->id); pnp_add_id(dev_id, dev); - if(dev->active) { + if (dev->active) { /* parse allocated resource */ - status = pnpacpi_parse_allocated_resource(device->handle, &dev->res); + status = + pnpacpi_parse_allocated_resource(device->handle, &dev->res); if (ACPI_FAILURE(status) && (status != AE_NOT_FOUND)) { - pnp_err("PnPACPI: METHOD_NAME__CRS failure for %s", dev_id->id); + pnp_err("PnPACPI: METHOD_NAME__CRS failure for %s", + dev_id->id); goto err1; } } - if(dev->capabilities & PNP_CONFIGURABLE) { + if (dev->capabilities & PNP_CONFIGURABLE) { status = pnpacpi_parse_resource_option_data(device->handle, - dev); + dev); if (ACPI_FAILURE(status) && (status != AE_NOT_FOUND)) { - pnp_err("PnPACPI: METHOD_NAME__PRS failure for %s", dev_id->id); + pnp_err("PnPACPI: METHOD_NAME__PRS failure for %s", + dev_id->id); goto err1; } } @@ -233,18 +240,19 @@ static int __init pnpacpi_add_device(struct acpi_device *device) if (!dev->active) pnp_init_resource_table(&dev->res); pnp_add_device(dev); - num ++; + num++; return AE_OK; -err1: + err1: kfree(dev_id); -err: + err: kfree(dev); return -EINVAL; } static acpi_status __init pnpacpi_add_device_handler(acpi_handle handle, - u32 lvl, void *context, void **rv) + u32 lvl, void *context, + void **rv) { struct acpi_device *device; @@ -257,23 +265,22 @@ static acpi_status __init pnpacpi_add_device_handler(acpi_handle handle, static int __init acpi_pnp_match(struct device *dev, void *_pnp) { - struct acpi_device *acpi = to_acpi_device(dev); - struct pnp_dev *pnp = _pnp; + struct acpi_device *acpi = to_acpi_device(dev); + struct pnp_dev *pnp = _pnp; /* true means it matched */ return acpi->flags.hardware_id - && !acpi_get_physical_device(acpi->handle) - && compare_pnp_id(pnp->id, acpi->pnp.hardware_id); + && !acpi_get_physical_device(acpi->handle) + && compare_pnp_id(pnp->id, acpi->pnp.hardware_id); } -static int __init acpi_pnp_find_device(struct device *dev, acpi_handle *handle) +static int __init acpi_pnp_find_device(struct device *dev, acpi_handle * handle) { - struct device *adev; - struct acpi_device *acpi; + struct device *adev; + struct acpi_device *acpi; adev = bus_find_device(&acpi_bus_type, NULL, - to_pnp_dev(dev), - acpi_pnp_match); + to_pnp_dev(dev), acpi_pnp_match); if (!adev) return -ENODEV; @@ -307,6 +314,7 @@ static int __init pnpacpi_init(void) pnp_platform_devices = 1; return 0; } + subsys_initcall(pnpacpi_init); static int __init pnpacpi_setup(char *str) @@ -317,6 +325,7 @@ static int __init pnpacpi_setup(char *str) pnpacpi_disabled = 1; return 1; } + __setup("pnpacpi=", pnpacpi_setup); #if 0 |