static int int340x_thermal_handler_attach(struct acpi_device *adev,
const struct acpi_device_id *id)
{
if (IS_ENABLED(CONFIG_INT340X_THERMAL))
acpi_create_platform_device(adev, NULL);
/* Intel SoC DTS thermal driver needs INT3401 to set IRQ descriptor */
else if (IS_ENABLED(CONFIG_INTEL_SOC_DTS_THERMAL) &&
id->driver_data == INT3401_DEVICE)
acpi_create_platform_device(adev, NULL);
return 1;
}
static int int340x_thermal_handler_attach(struct acpi_device *adev,
const struct acpi_device_id *id)
{
#if defined(CONFIG_INT340X_THERMAL) || defined(CONFIG_INT340X_THERMAL_MODULE)
acpi_create_platform_device(adev);
#elif defined(INTEL_SOC_DTS_THERMAL) || defined(INTEL_SOC_DTS_THERMAL_MODULE)
/* Intel SoC DTS thermal driver needs INT3401 to set IRQ descriptor */
if (id->driver_data == INT3401_DEVICE)
acpi_create_platform_device(adev);
#endif
return 1;
}
/**
* Create platform device during acpi scan attach handle.
* Return value > 0 on success of creating device.
*/
static int acpi_apd_create_device(struct acpi_device *adev,
const struct acpi_device_id *id)
{
const struct apd_device_desc *dev_desc = (void *)id->driver_data;
struct apd_private_data *pdata;
struct platform_device *pdev;
int ret;
if (!dev_desc) {
pdev = acpi_create_platform_device(adev);
return IS_ERR_OR_NULL(pdev) ? PTR_ERR(pdev) : 1;
}
pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
if (!pdata)
return -ENOMEM;
pdata->adev = adev;
pdata->dev_desc = dev_desc;
if (dev_desc->setup) {
ret = dev_desc->setup(pdata);
if (ret)
goto err_out;
}
if (dev_desc->properties) {
ret = device_add_properties(&adev->dev, dev_desc->properties);
if (ret)
goto err_out;
}
adev->driver_data = pdata;
pdev = acpi_create_platform_device(adev);
if (!IS_ERR_OR_NULL(pdev))
return 1;
ret = PTR_ERR(pdev);
adev->driver_data = NULL;
err_out:
kfree(pdata);
return ret;
}
/*
* Unfortunately, some laptops provide a _HID="INT33D5" device with
* _CID="PNP0C02". This causes the pnpacpi scan driver to claim the
* ACPI node, so no platform device will be created. The pnpacpi
* driver rejects this device in subsequent processing, so no physical
* node is created at all.
*
* As a workaround until the ACPI core figures out how to handle
* this corner case, manually ask the ACPI platform device code to
* claim the ACPI node.
*/
static acpi_status __init
check_acpi_dev(acpi_handle handle, u32 lvl, void *context, void **rv)
{
const struct acpi_device_id *ids = context;
struct acpi_device *dev;
if (acpi_bus_get_device(handle, &dev) != 0)
return AE_OK;
if (acpi_match_device_ids(dev, ids) == 0)
if (acpi_create_platform_device(dev, NULL))
dev_info(&dev->dev,
"intel-hid: created platform device\n");
return AE_OK;
}
static int acpi_mid_lpss_create_device(struct acpi_device *adev,
const struct acpi_device_id *id)
{
return acpi_create_platform_device(adev, id);
}
/**
* acpi_parse_trt - Thermal Relationship Table _TRT for passive cooling
*
* @handle: ACPI handle of the device contains _TRT
* @art_count: the number of valid entries resulted from parsing _TRT
* @artp: pointer to pointer of array of art entries in parsing result
* @create_dev: whether to create platform devices for target and source
*
*/
int acpi_parse_trt(acpi_handle handle, int *trt_count, struct trt **trtp,
bool create_dev)
{
acpi_status status;
int result = 0;
int i;
int nr_bad_entries = 0;
struct trt *trts;
struct acpi_device *adev;
union acpi_object *p;
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
struct acpi_buffer element = { 0, NULL };
struct acpi_buffer trt_format = { sizeof("RRNNNNNN"), "RRNNNNNN" };
if (!acpi_has_method(handle, "_TRT"))
return 0;
status = acpi_evaluate_object(handle, "_TRT", NULL, &buffer);
if (ACPI_FAILURE(status))
return -ENODEV;
p = buffer.pointer;
if (!p || (p->type != ACPI_TYPE_PACKAGE)) {
pr_err("Invalid _TRT data\n");
result = -EFAULT;
goto end;
}
*trt_count = p->package.count;
trts = kzalloc(*trt_count * sizeof(struct trt), GFP_KERNEL);
if (!trts) {
result = -ENOMEM;
goto end;
}
for (i = 0; i < *trt_count; i++) {
struct trt *trt = &trts[i - nr_bad_entries];
element.length = sizeof(struct trt);
element.pointer = trt;
status = acpi_extract_package(&(p->package.elements[i]),
&trt_format, &element);
if (ACPI_FAILURE(status)) {
nr_bad_entries++;
pr_warn("_TRT package %d is invalid, ignored\n", i);
continue;
}
if (!create_dev)
continue;
result = acpi_bus_get_device(trt->source, &adev);
if (!result)
acpi_create_platform_device(adev);
else
pr_warn("Failed to get source ACPI device\n");
result = acpi_bus_get_device(trt->target, &adev);
if (!result)
acpi_create_platform_device(adev);
else
pr_warn("Failed to get target ACPI device\n");
}
result = 0;
*trtp = trts;
/* don't count bad entries */
*trt_count -= nr_bad_entries;
end:
kfree(buffer.pointer);
return result;
}
