diff options
| author | Linus Walleij <[email protected]> | 2016-03-10 09:29:25 +0700 |
|---|---|---|
| committer | Linus Walleij <[email protected]> | 2016-03-10 09:29:25 +0700 |
| commit | cc998d8bc74341f6bbbcd63ab4449a6acfc45ee9 (patch) | |
| tree | 2f4e23fa1ceb83b3e720afd52d9a5ef2be26c77e /drivers/tty/serial/omap-serial.c | |
| parent | d2d13ed01362ecddc3f76f9cca31b0cd5d663a7e (diff) | |
| parent | 81f70ba233d5f660e1ea5fe23260ee323af5d53a (diff) | |
Merge tag 'v4.5-rc5' into devel
Linux 4.5-rc5
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 b645f9228ed7..fa49eb1e2fa2 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 |