+#define rtk_err(format, arg...) dev_err(rtk->dev, "RTKit: " format, ##arg)
+#define rtk_warn(format, arg...) dev_warn(rtk->dev, "RTKit: " format, ##arg)
+#define rtk_info(format, arg...) dev_info(rtk->dev, "RTKit: " format, ##arg)
+#define rtk_dbg(format, arg...) dev_dbg(rtk->dev, "RTKit: " format, ##arg)
I generally don't like the custom printing macros, please just open-code
the prints where they are used, that makes it easier for other kernel
developers to see exactly what is being printed