RND4 20 drivers/staging/rtl8712/osdep_intf.h #define RND4(x) (((x >> 2) + (((x & 3) == 0) ? 0 : 1)) << 2) RND4 137 drivers/staging/rtl8723bs/include/osdep_service.h #define RND4(x) (((x >> 2) + (((x & 3) == 0) ? 0: 1)) << 2)