There is nothing which clears the auto RTS/CTS bits, so once hardware
flow control gets enabled, there's no possibility to disable it.
So, clear these bits when CRTSCTS is cleared.
Signed-off-by: Russell King <rmk+ker...@arm.linux.org.uk>
---
drivers/tty/serial/omap-serial.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index 654dd78..f2535fe 100644
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c
@@ -917,6 +917,13 @@ serial_omap_set_termios(struct uart_port *port, struct
ktermios *termios,
serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B);
serial_out(up, UART_EFR, up->efr);
serial_out(up, UART_LCR, cval);
+ } else {
+ /* Disable AUTORTS and AUTOCTS */
+ up->efr &= ~(UART_EFR_CTS | UART_EFR_RTS);
+
+ serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B);
+ serial_out(up, UART_EFR, up->efr);
+ serial_out(up, UART_LCR, cval);
}
serial_omap_set_mctrl(&up->port, up->port.mctrl);
--
1.7.4.4
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