[PATCH v3 0/7] Renesas *SCIF* RX FIFO support
From: Ulrich Hecht <hidden>
Date: 2017-02-02 17:10:35
Also in:
linux-renesas-soc
Hi! This series implements support for using RX FIFO thresholds higher than one in PIO mode on SCIF, HSCIF, SCIFA and SCIFB serial ports. This revision has been rebased onto renesas-drivers-2017-01-24-v4.10-rc5 and adds the missing changelog for "serial: sh-sci: increase RX FIFO trigger defaults for (H)SCIF" requested by Geert and Greg. CU Uli Changes since v2: - rebase - add missing changelog entry Changes since v1: - clarify HS trigger register enum - simplify DR bit handling - if() cascade -> switch() - disable RX trigger for SH77xx-style ports - clean up on failure to create sysfs attribute - r8a7796 DT: add control pins, rtscts flag Ulrich Hecht (7): serial: sh-sci: add FIFO trigger bits serial: sh-sci: consider DR (data ready) bit adequately serial: sh-sci: implement FIFO threshold register setting serial: sh-sci: increase RX FIFO trigger defaults for (H)SCIF serial: sh-sci: SCIFA/B RX FIFO software timeout serial: sh-sci: make RX FIFO parameters tunable via sysfs arm64: dts: r8a7796: salvator-x: add SCIF1 (DEBUG1) arch/arm64/boot/dts/renesas/r8a7796-salvator-x.dts | 14 ++ drivers/tty/serial/sh-sci.c | 273 ++++++++++++++++++--- drivers/tty/serial/sh-sci.h | 8 +- 3 files changed, 262 insertions(+), 33 deletions(-) -- 2.7.4