Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 0d5b1663 authored by Russell King's avatar Russell King
Browse files

SERIAL: omap: allow hardware assisted rts/cts modes to be disabled 



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: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 9aba8d5b

drivers/tty/serial/omap-serial.c

+7 −0
Original line number Diff line number Diff line
@@ -921,6 +921,13 @@ serial_omap_set_termios(struct uart_port *port, struct ktermios *termios, 
		serial_out(up, UART_LCR, UART_LCR_CONF_MODE_A);

		serial_out(up, UART_MCR, up->mcr | UART_MCR_RTS);

		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);