diff options
| -rw-r--r-- | sys/arch/armv7/exynos/exuart.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/sys/arch/armv7/exynos/exuart.c b/sys/arch/armv7/exynos/exuart.c index 81453164748..2a4077edb9f 100644 --- a/sys/arch/armv7/exynos/exuart.c +++ b/sys/arch/armv7/exynos/exuart.c @@ -1,4 +1,4 @@ -/* $OpenBSD: exuart.c,v 1.7 2016/08/21 06:36:23 jsg Exp $ */ +/* $OpenBSD: exuart.c,v 1.8 2017/03/05 16:51:18 kettenis Exp $ */ /* * Copyright (c) 2005 Dale Rahn <drahn@motorola.com> * @@ -883,12 +883,10 @@ exuartcnputc(dev_t dev, int c) { int s; s = splhigh(); - bus_space_write_1(exuartconsiot, exuartconsioh, EXUART_UTXH, (uint8_t)c); - while((bus_space_read_2(exuartconsiot, exuartconsioh, EXUART_UTRSTAT) & - EXUART_UTRSTAT_TXBEMPTY) != 0 && - (bus_space_read_2(exuartconsiot, exuartconsioh, EXUART_UFSTAT) & - (EXUART_UFSTAT_TX_FIFO_CNT_MASK|EXUART_UFSTAT_TX_FIFO_FULL)) != 0) + while (bus_space_read_4(exuartconsiot, exuartconsioh, EXUART_UFSTAT) & + EXUART_UFSTAT_TX_FIFO_FULL) ; + bus_space_write_1(exuartconsiot, exuartconsioh, EXUART_UTXH, c); splx(s); } |