… > +++ b/drivers/media/platform/mediatek/isp/isp_30/seninf/mtk_seninf_reg.h > @@ -0,0 +1,117 @@ … > +#ifndef __SENINF_REG_H__ > +#define __SENINF_REG_H__ … How do you think about to omit leading underscores from such identifiers? https://wiki.sei.cmu.edu/confluence/display/c/DCL37-C.+Do+not+declare+or+define+a+reserved+identifier Regards, Markus