diff options
Diffstat (limited to 'drivers/platform/surface/surface_acpi_notify.c')
| -rw-r--r-- | drivers/platform/surface/surface_acpi_notify.c | 30 |
1 files changed, 1 insertions, 29 deletions
diff --git a/drivers/platform/surface/surface_acpi_notify.c b/drivers/platform/surface/surface_acpi_notify.c index e4dee920d..20f387091 100644 --- a/drivers/platform/surface/surface_acpi_notify.c +++ b/drivers/platform/surface/surface_acpi_notify.c @@ -736,34 +736,6 @@ do { \ #define san_consumer_warn(dev, handle, fmt, ...) \ san_consumer_printk(warn, dev, handle, fmt, ##__VA_ARGS__) -static bool is_san_consumer(struct platform_device *pdev, acpi_handle handle) -{ - struct acpi_handle_list dep_devices; - acpi_handle supplier = ACPI_HANDLE(&pdev->dev); - acpi_status status; - bool ret = false; - int i; - - if (!acpi_has_method(handle, "_DEP")) - return false; - - status = acpi_evaluate_reference(handle, "_DEP", NULL, &dep_devices); - if (ACPI_FAILURE(status)) { - san_consumer_dbg(&pdev->dev, handle, "failed to evaluate _DEP\n"); - return false; - } - - for (i = 0; i < dep_devices.count; i++) { - if (dep_devices.handles[i] == supplier) { - ret = true; - break; - } - } - - acpi_handle_list_free(&dep_devices); - return ret; -} - static acpi_status san_consumer_setup(acpi_handle handle, u32 lvl, void *context, void **rv) { @@ -772,7 +744,7 @@ static acpi_status san_consumer_setup(acpi_handle handle, u32 lvl, struct acpi_device *adev; struct device_link *link; - if (!is_san_consumer(pdev, handle)) + if (!acpi_device_dep(handle, ACPI_HANDLE(&pdev->dev))) return AE_OK; /* Ignore ACPI devices that are not present. */ |