Hi Ben, I see the following build failures in v3.16-stable-queue. drivers/clk/shmobile/clk-mstp.c: In function 'cpg_mstp_clock_endisable': drivers/clk/shmobile/clk-mstp.c:91:3: error: implicit declaration of function 'barrier_data' This is seen with with arm:shmobile_defconfig and arm:allmodconfig. Bisect points to commit 84df8ee24af691f ("clk: renesas: mstp: ensure register writes complete"). Guenter