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author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-14 14:25:59 -0800 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-14 14:25:59 -0800 |
commit | 1b79dff672ca09a5461cc1d46ad81c62137841c5 (patch) | |
tree | 772a4224c78aa20862511ae5f7272f9311e4811c /drivers/tty/serial/omap-serial.c | |
parent | 83050a4e21979fe1821916fce2fca36255569ed3 (diff) | |
parent | 18558cae0272f8fd9647e69d3fec1565a7949865 (diff) | |
download | op-kernel-dev-1b79dff672ca09a5461cc1d46ad81c62137841c5.zip op-kernel-dev-1b79dff672ca09a5461cc1d46ad81c62137841c5.tar.gz |
Merge 4.5-rc4 into char-misc-next
We want those fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/omap-serial.c')
-rw-r--r-- | drivers/tty/serial/omap-serial.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c index b645f92..fa49eb1 100644 --- a/drivers/tty/serial/omap-serial.c +++ b/drivers/tty/serial/omap-serial.c @@ -1165,7 +1165,7 @@ serial_omap_type(struct uart_port *port) #define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE) -static void wait_for_xmitr(struct uart_omap_port *up) +static void __maybe_unused wait_for_xmitr(struct uart_omap_port *up) { unsigned int status, tmout = 10000; @@ -1343,7 +1343,7 @@ static inline void serial_omap_add_console_port(struct uart_omap_port *up) /* Enable or disable the rs485 support */ static int -serial_omap_config_rs485(struct uart_port *port, struct serial_rs485 *rs485conf) +serial_omap_config_rs485(struct uart_port *port, struct serial_rs485 *rs485) { struct uart_omap_port *up = to_uart_omap_port(port); unsigned int mode; @@ -1356,8 +1356,12 @@ serial_omap_config_rs485(struct uart_port *port, struct serial_rs485 *rs485conf) up->ier = 0; serial_out(up, UART_IER, 0); + /* Clamp the delays to [0, 100ms] */ + rs485->delay_rts_before_send = min(rs485->delay_rts_before_send, 100U); + rs485->delay_rts_after_send = min(rs485->delay_rts_after_send, 100U); + /* store new config */ - port->rs485 = *rs485conf; + port->rs485 = *rs485; /* * Just as a precaution, only allow rs485 |