Merge branch 'tty-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

* 'tty-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  TTY: ldisc, wait for ldisc infinitely in hangup
  TTY: ldisc, move wait idle to caller
  TTY: ldisc, allow waiting for ldisc arbitrarily long
  Revert "tty/serial: Prevent drop of DCD on suspend for Tegra UARTs"
  RS485: fix inconsistencies in the meaning of some variables
  pch_uart: Fix DMA resource leak issue
  serial,mfd: Fix CMSPAR setup
  tty/serial: Prevent drop of DCD on suspend for Tegra UARTs
  pch_uart: Change company name OKI SEMICONDUCTOR to LAPIS Semiconductor
  pch_uart: Support new device LAPIS Semiconductor ML7831 IOH
  pch_uart: Fix hw-flow control issue
  tty: hvc_dcc: Fix duplicate character inputs
  jsm: Change maintainership

1 files changed, 11 insertions, 3 deletions

diff --git a/Documentation/serial/serial-rs485.txt b/Documentation/serial/serial-rs485.txt
index 079cb3df62cf..41c8378c0b2f 100644
--- a/Documentation/serial/serial-rs485.txt
+++ b/Documentation/serial/serial-rs485.txt
@@ -97,15 +97,23 @@
 
         struct serial_rs485 rs485conf;
 
-        /* Set RS485 mode: */
+        /* Enable RS485 mode: */
         rs485conf.flags |= SER_RS485_ENABLED;
 
+        /* Set logical level for RTS pin equal to 1 when sending: */
+        rs485conf.flags |= SER_RS485_RTS_ON_SEND;
+        /* or, set logical level for RTS pin equal to 0 when sending: */
+        rs485conf.flags &= ~(SER_RS485_RTS_ON_SEND);
+
+        /* Set logical level for RTS pin equal to 1 after sending: */
+        rs485conf.flags |= SER_RS485_RTS_AFTER_SEND;
+        /* or, set logical level for RTS pin equal to 0 after sending: */
+        rs485conf.flags &= ~(SER_RS485_RTS_AFTER_SEND);
+
         /* Set rts delay before send, if needed: */
-        rs485conf.flags |= SER_RS485_RTS_BEFORE_SEND;
         rs485conf.delay_rts_before_send = ...;
 
         /* Set rts delay after send, if needed: */
-        rs485conf.flags |= SER_RS485_RTS_AFTER_SEND;
         rs485conf.delay_rts_after_send = ...;
 
         /* Set this flag if you want to receive data even whilst sending data */