diff options
| -rw-r--r-- | c/src/lib/libbsp/sparc/shared/uart/apbuart_cons.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/c/src/lib/libbsp/sparc/shared/uart/apbuart_cons.c b/c/src/lib/libbsp/sparc/shared/uart/apbuart_cons.c index a52c360f21..c79d4084eb 100644 --- a/c/src/lib/libbsp/sparc/shared/uart/apbuart_cons.c +++ b/c/src/lib/libbsp/sparc/shared/uart/apbuart_cons.c @@ -497,6 +497,12 @@ static void last_close( while (uart->sending) { /* Wait until all data has been sent */ } + while ( + (uart->regs->ctrl & APBUART_CTRL_TE) && + !(uart->regs->status & APBUART_STATUS_TS) + ) { + /* Wait until all data has left shift register */ + } /* Disable and unregister interrupt handler */ drvmgr_interrupt_unregister(uart->dev, 0, apbuart_cons_isr, tty); @@ -846,7 +852,6 @@ static void apbuart_cons_isr(void *arg) if (uart->sending && (status & APBUART_STATUS_TE)) { /* Tell close that we sent everything */ cnt = uart->sending; - uart->sending = 0; /* * Tell termios how much we have sent. dequeue() may call |