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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-02-15 01:36:04 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-02-15 01:36:04 +0300
commit249f3c4fe4fdef159d3f9b3f7a6c41a92103c860 (patch)
tree58abfec8444741fd3bd403a908be50c4f63d4842 /drivers/tty/serial/omap-serial.c
parent54573c4a073ff510d028f423ed3074573c7d9437 (diff)
parent18558cae0272f8fd9647e69d3fec1565a7949865 (diff)
downloadlinux-249f3c4fe4fdef159d3f9b3f7a6c41a92103c860.tar.xz
Merge 4.5-rc4 into tty-next
We want the fixes in here, and this resolves a merge error in tty_io.c 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.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index 1401dc9cde35..a2a529994ba5 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