[rtems commit] dev/sc16is752: Reduce RX FIFO trigger level

[Sebastian Huber]

Module:    rtems
Branch:    master
Commit:    62fc1489770b5f083d6673c342147de24828f2a6
Changeset: http://git.rtems.org/rtems/commit/?id=62fc1489770b5f083d6673c342147de24828f2a6

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Fri Aug  9 07:59:46 2019 +0200

dev/sc16is752: Reduce RX FIFO trigger level

This may help to avoid character loss.

---

 cpukit/dev/serial/sc16is752.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/cpukit/dev/serial/sc16is752.c b/cpukit/dev/serial/sc16is752.c
index d1065a3..e3da7c6 100644
--- a/cpukit/dev/serial/sc16is752.c
+++ b/cpukit/dev/serial/sc16is752.c
@@ -260,12 +260,12 @@ static bool sc16is752_first_open(
   fcr = SC16IS752_FCR_FIFO_EN
     | SC16IS752_FCR_RX_FIFO_RST
     | SC16IS752_FCR_TX_FIFO_RST
-    | SC16IS752_FCR_RX_FIFO_TRG_16
+    | SC16IS752_FCR_RX_FIFO_TRG_8
     | SC16IS752_FCR_TX_FIFO_TRG_32;
   write_reg(ctx, SC16IS752_FCR, &fcr, 1);
 
   fcr = SC16IS752_FCR_FIFO_EN
-    | SC16IS752_FCR_RX_FIFO_TRG_16
+    | SC16IS752_FCR_RX_FIFO_TRG_8
     | SC16IS752_FCR_TX_FIFO_TRG_32;
   write_reg(ctx, SC16IS752_FCR, &fcr, 1);