diff options
Diffstat (limited to 'drivers/serial/8250.c')
| -rw-r--r-- | drivers/serial/8250.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index 24110f6f61e0..31b8cca179cd 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -1867,15 +1867,17 @@ static void wait_for_xmitr(struct uart_8250_port *up, int bits) unsigned int status, tmout = 10000; /* Wait up to 10ms for the character(s) to be sent. */ - do { + for (;;) { status = serial_in(up, UART_LSR); up->lsr_saved_flags |= status & LSR_SAVE_FLAGS; + if ((status & bits) == bits) + break; if (--tmout == 0) break; udelay(1); - } while ((status & bits) != bits); + } /* Wait up to 1s for flow control if necessary */ if (up->port.flags & UPF_CONS_FLOW) { |