tools/testing/cxl: Use dev_is_platform()

Use dev_is_platform() instead of checking bus type directly.

Signed-off-by: Kunwu Chan <[email protected]>
Reviewed-by: Jonathan Cameron <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Dave Jiang <[email protected]>

Author: KunWuChan

tools/testing/cxl/mock_acpi.c

@@ -18,7 +18,7 @@ struct acpi_device *to_cxl_host_bridge(struct device *host, struct device *dev)
 		goto out;
 	}
 
-	if (dev->bus == &platform_bus_type)
+	if (dev_is_platform(dev))
 		goto out;
 
 	adev = to_acpi_device(dev);