Patch [1-2] are pre patches. Patch [3] fix TX fifo corruption.
Hugo Villeneuve (2): [Backport] serial: sc16is7xx: refactor FIFO access functions to increase commonality [Backport] serial: sc16is7xx: fix TX fifo corruption
Jiri Slaby (SUSE) (1): [Backport] kfifo: add kfifo_out_linear{,_ptr}()
drivers/tty/serial/sc16is7xx.c | 67 ++++++++++++++-------------------- include/linux/kfifo.h | 63 ++++++++++++++++++++++++++++++++ lib/kfifo.c | 26 +++++++++++++ 3 files changed, 117 insertions(+), 39 deletions(-)