diff options
Diffstat (limited to 'hw/char/exynos4210_uart.c')
| -rw-r--r-- | hw/char/exynos4210_uart.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/hw/char/exynos4210_uart.c b/hw/char/exynos4210_uart.c index 885ecc027b..1107578138 100644 --- a/hw/char/exynos4210_uart.c +++ b/hw/char/exynos4210_uart.c @@ -387,7 +387,9 @@ static void exynos4210_uart_write(void *opaque, hwaddr offset, s->reg[I_(UTRSTAT)] &= ~(UTRSTAT_TRANSMITTER_EMPTY | UTRSTAT_Tx_BUFFER_EMPTY); ch = (uint8_t)val; - qemu_chr_fe_write(s->chr, &ch, 1); + /* XXX this blocks entire thread. Rewrite to use + * qemu_chr_fe_write and background I/O callbacks */ + qemu_chr_fe_write_all(s->chr, &ch, 1); #if DEBUG_Tx_DATA fprintf(stderr, "%c", ch); #endif |