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| author | Ingo Molnar <mingo@kernel.org> | 2017-11-07 10:48:05 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-11-07 10:48:05 +0100 |
| commit | 783711f0d2458ca1bd716000e767c478cef27144 (patch) | |
| tree | 0aebe2cfc09cbfa9a18e6a5e8d002489745f45a8 /drivers/tty/serial/bcm63xx_uart.c | |
| parent | objtool: Print top level commands on incorrect usage (diff) | |
| parent | Merge branch 'for-4.14-fixes' of git://git.kernel.org/pub/scm/linux/kernel/gi... (diff) | |
| download | linux-783711f0d2458ca1bd716000e767c478cef27144.tar.xz linux-783711f0d2458ca1bd716000e767c478cef27144.zip | |
Merge branch 'linus' into core/objtool, to pick up dependent fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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); |