[rtems commit] dev/sc16is752: Reduce RX FIFO trigger level
Sebastian Huber
sebh at rtems.org
Mon Aug 26 11:29:40 UTC 2019
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);
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