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ACPI: remove acpi_device.flags.hardware_id

Browse source 
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 <[email protected]>
Signed-off-by: Len Brown <[email protected]>
This commit is contained in:
Bjorn Helgaas 2009-09-21 13:35:29 -06:00 • committed by Len Brown
commit 1131b938f0
3 changed files with 15 additions and 28 deletions
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37
drivers/acpi/scan.c
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@ -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) {