diff options
| author | Bjorn Helgaas <bjorn.helgaas@hp.com> | 2009-09-21 13:35:29 -0600 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2009-09-25 15:09:48 -0400 |
| commit | 1131b938f0757350f569f8ad5bee737cd02b8e58 (patch) | |
| tree | 679f4ff97f6858f18af7c86807644dc8144512f0 /drivers/acpi | |
| parent | b2972f87508a21db7584d11fdb5c97cb7101a788 (diff) | |
ACPI: remove acpi_device.flags.hardware_id
Every acpi_device has at least one ID (if there's no _HID or _CID, we
give it a synthetic or default ID). So there's no longer a need to
check whether an ID exists; we can just use it.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/scan.c | 37 |
1 files changed, 13 insertions, 24 deletions
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 395ae129aae..7e031b90c09 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -47,9 +47,6 @@ static int create_modalias(struct acpi_device *acpi_dev, char *modalias, int count; struct acpi_hardware_id *id; - if (!acpi_dev->flags.hardware_id) - return -ENODEV; - len = snprintf(modalias, size, "acpi:"); size -= len; @@ -203,17 +200,13 @@ static int acpi_device_setup_files(struct acpi_device *dev) goto end; } - if (dev->flags.hardware_id) { - result = device_create_file(&dev->dev, &dev_attr_hid); - if (result) - goto end; - } + result = device_create_file(&dev->dev, &dev_attr_hid); + if (result) + goto end; - if (dev->flags.hardware_id) { - result = device_create_file(&dev->dev, &dev_attr_modalias); - if (result) - goto end; - } + result = device_create_file(&dev->dev, &dev_attr_modalias); + if (result) + goto end; /* * If device has _EJ0, 'eject' file is created that is used to trigger @@ -239,11 +232,8 @@ static void acpi_device_remove_files(struct acpi_device *dev) if (ACPI_SUCCESS(status)) device_remove_file(&dev->dev, &dev_attr_eject); - if (dev->flags.hardware_id) - device_remove_file(&dev->dev, &dev_attr_modalias); - - if (dev->flags.hardware_id) - device_remove_file(&dev->dev, &dev_attr_hid); + device_remove_file(&dev->dev, &dev_attr_modalias); + device_remove_file(&dev->dev, &dev_attr_hid); if (dev->handle) device_remove_file(&dev->dev, &dev_attr_path); } @@ -474,8 +464,9 @@ static int acpi_device_register(struct acpi_device *device) * If failed, create one and link it into acpi_bus_id_list */ list_for_each_entry(acpi_device_bus_id, &acpi_bus_id_list, node) { - if (!strcmp(acpi_device_bus_id->bus_id, device->flags.hardware_id ? acpi_device_hid(device) : "device")) { - acpi_device_bus_id->instance_no ++; + if (!strcmp(acpi_device_bus_id->bus_id, + acpi_device_hid(device))) { + acpi_device_bus_id->instance_no++; found = 1; kfree(new_bus_id); break; @@ -483,7 +474,7 @@ static int acpi_device_register(struct acpi_device *device) } if (!found) { acpi_device_bus_id = new_bus_id; - strcpy(acpi_device_bus_id->bus_id, device->flags.hardware_id ? acpi_device_hid(device) : "device"); + strcpy(acpi_device_bus_id->bus_id, acpi_device_hid(device)); acpi_device_bus_id->instance_no = 0; list_add_tail(&acpi_device_bus_id->node, &acpi_bus_id_list); } @@ -1103,10 +1094,8 @@ static void acpi_device_set_id(struct acpi_device *device) if (!hid && !cid_list && !cid_add) hid = "device"; - if (hid) { + if (hid) acpi_add_id(device, hid); - device->flags.hardware_id = 1; - } if (uid) { device->pnp.unique_id = ACPI_ALLOCATE_ZEROED(strlen (uid) + 1); if (device->pnp.unique_id) { |