From 1d3c2ea44b1163269062c891d073f4764686028a Mon Sep 17 00:00:00 2001 From: Maarten Brock Date: Mon, 25 Nov 2019 18:45:31 +0530 Subject: serial: xilinx_uartps: set_mctrl sets RTS and DTR set_mctrl now sets RTS and DTR. Signed-off-by: Maarten Brock Signed-off-by: Shubhrajyoti Datta Link: https://lore.kernel.org/r/1574687731-21563-3-git-send-email-shubhrajyoti.datta@gmail.com Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/xilinx_uartps.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/tty') diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c index 958c3b4712fb..98db9dc168ff 100644 --- a/drivers/tty/serial/xilinx_uartps.c +++ b/drivers/tty/serial/xilinx_uartps.c @@ -1055,6 +1055,10 @@ static void cdns_uart_set_mctrl(struct uart_port *port, unsigned int mctrl) val &= ~(CDNS_UART_MODEMCR_RTS | CDNS_UART_MODEMCR_DTR); mode_reg &= ~CDNS_UART_MR_CHMODE_MASK; + if (mctrl & TIOCM_RTS) + val |= CDNS_UART_MODEMCR_RTS; + if (mctrl & TIOCM_DTR) + val |= CDNS_UART_MODEMCR_DTR; if (mctrl & TIOCM_LOOP) mode_reg |= CDNS_UART_MR_CHMODE_L_LOOP; else -- cgit v1.2.3