diff options
Diffstat (limited to 'hw/char/exynos4210_uart.c')
| -rw-r--r-- | hw/char/exynos4210_uart.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/hw/char/exynos4210_uart.c b/hw/char/exynos4210_uart.c index 6361df2ad3..80d401a379 100644 --- a/hw/char/exynos4210_uart.c +++ b/hw/char/exynos4210_uart.c @@ -519,6 +519,7 @@ static uint64_t exynos4210_uart_read(void *opaque, hwaddr offset, s->reg[I_(UTRSTAT)] &= ~UTRSTAT_Rx_BUFFER_DATA_READY; res = s->reg[I_(URXH)]; } + qemu_chr_fe_accept_input(&s->chr); exynos4210_uart_update_dmabusy(s); trace_exynos_uart_read(s->channel, offset, exynos4210_uart_regname(offset), res); @@ -553,7 +554,11 @@ static int exynos4210_uart_can_receive(void *opaque) { Exynos4210UartState *s = (Exynos4210UartState *)opaque; - return fifo_empty_elements_number(&s->rx); + if (s->reg[I_(UFCON)] & UFCON_FIFO_ENABLE) { + return fifo_empty_elements_number(&s->rx); + } else { + return !(s->reg[I_(UTRSTAT)] & UTRSTAT_Rx_BUFFER_DATA_READY); + } } static void exynos4210_uart_receive(void *opaque, const uint8_t *buf, int size) |