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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-11-13 17:10:13 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-11-13 17:10:13 -0800 |
| commit | c25141062a82ae8bddced1b3ce2b57a1c0efabe0 (patch) | |
| tree | 105edf10059bc0c4f2f00338b0c861b813d1bb1a /drivers/tty/serial/bcm63xx_uart.c | |
| parent | 26dd633e437dca218547ccbeacc71fe8a620b6f6 (diff) | |
| parent | c1b433e04ef9c0a1c4d65bfe918472ffa334dff4 (diff) | |
Merge branch 'next' into for-linus
Prepare input updates for 4.15 merge window.
Diffstat (limited to 'drivers/tty/serial/bcm63xx_uart.c')
| -rw-r--r-- | drivers/tty/serial/bcm63xx_uart.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/tty/serial/bcm63xx_uart.c b/drivers/tty/serial/bcm63xx_uart.c index 583c9a0c7ecc..8c48c3784831 100644 --- a/drivers/tty/serial/bcm63xx_uart.c +++ b/drivers/tty/serial/bcm63xx_uart.c @@ -507,9 +507,14 @@ static void bcm_uart_set_termios(struct uart_port *port, { unsigned int ctl, baud, quot, ier; unsigned long flags; + int tries; spin_lock_irqsave(&port->lock, flags); + /* Drain the hot tub fully before we power it off for the winter. */ + for (tries = 3; !bcm_uart_tx_empty(port) && tries; tries--) + mdelay(10); + /* disable uart while changing speed */ bcm_uart_disable(port); bcm_uart_flush(port); |