Hi Jens, FYI, kernel build failed on tree: git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git staging-next head: 5d72c848d2a3b4af7f8f32d89af02a486d321bd6 commit: 5d72c848d2a3b4af7f8f32d89af02a486d321bd6 [1/1] Staging: ipack: Provide ID Prom through sysfs. config: i386-randconfig-b982 (attached as .config) All related error/warning messages: drivers/staging/ipack/ipack.c: In function 'ipack_device_read_id': drivers/staging/ipack/ipack.c:291:2: error: implicit declaration of function 'ioread8' [-Werror=implicit-function-declaration] drivers/staging/ipack/ipack.c:309:3: error: implicit declaration of function 'ioread16be' [-Werror=implicit-function-declaration] cc1: some warnings being treated as errors --- 0-DAY kernel build testing backend Open Source Technology Centre Fengguang Wu Intel Corporation