… > +++ b/drivers/media/platform/mediatek/isp/isp_30/camsv/mtk_camsv.h > @@ -0,0 +1,196 @@ … > +#ifndef __MTK_CAMSV_H__ > +#define __MTK_CAMSV_H__ … I suggest 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