From 2276f03b745c297733e41470dde7f32bdd4b52af Mon Sep 17 00:00:00 2001 From: Robert Jarzmik Date: Sat, 6 Sep 2008 23:01:32 +0100 Subject: [ARM] 5244/1: Add hardware CTSRTS flow control to pxa serial driver Adds hardware CTSRTS control for pxa serial devices through termios controls. Signed-off-by: Robert Jarzmik Signed-off-by: Russell King --- drivers/serial/pxa.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'drivers/serial/pxa.c') diff --git a/drivers/serial/pxa.c b/drivers/serial/pxa.c index f7a0d37c4221..abc00be55433 100644 --- a/drivers/serial/pxa.c +++ b/drivers/serial/pxa.c @@ -534,6 +534,11 @@ serial_pxa_set_termios(struct uart_port *port, struct ktermios *termios, serial_out(up, UART_IER, up->ier); + if (termios->c_cflag & CRTSCTS) + up->mcr |= UART_MCR_AFE; + else + up->mcr &= ~UART_MCR_AFE; + serial_out(up, UART_LCR, cval | UART_LCR_DLAB);/* set DLAB */ serial_out(up, UART_DLL, quot & 0xff); /* LS of divisor */ serial_out(up, UART_DLM, quot >> 8); /* MS of divisor */ -- cgit v1.2.3