platform/surface: Replace acpi_bus_get_device()

Replace acpi_bus_get_device() that is going to be dropped with
acpi_fetch_acpi_dev().

No intentional functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/5805278.lOV4Wx5bFT@kreacherReviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>

drivers/platform/surface/surface3-wmi.c

@@ -116,14 +116,10 @@ static acpi_status s3_wmi_attach_spi_device(acpi_handle handle,
 					    void *data,
 					    void **return_value)
 {
-	struct acpi_device *adev, **ts_adev;
+	struct acpi_device *adev = acpi_fetch_acpi_dev(handle);
+	struct acpi_device **ts_adev = data;
 
-	if (acpi_bus_get_device(handle, &adev))
-		return AE_OK;
-
-	ts_adev = data;
-
-	if (strncmp(acpi_device_bid(adev), SPI_TS_OBJ_NAME,
+	if (!adev || strncmp(acpi_device_bid(adev), SPI_TS_OBJ_NAME,
 			     strlen(SPI_TS_OBJ_NAME)))
 		return AE_OK;
 

drivers/platform/surface/surface_acpi_notify.c

@@ -770,7 +770,8 @@ static acpi_status san_consumer_setup(acpi_handle handle, u32 lvl,
 		return AE_OK;
 
 	/* Ignore ACPI devices that are not present. */
-	if (acpi_bus_get_device(handle, &adev) != 0)
+	adev = acpi_fetch_acpi_dev(handle);
+	if (!adev)
 		return AE_OK;
 
 	san_consumer_dbg(&pdev->dev, handle, "creating device link\n");