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Commit f4d187ce authored by Zhiqiang Tu's avatar Zhiqiang Tu Committed by Gerrit - the friendly Code Review server
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tty: serial: msm_geni_serial: Disable manual rts if CRTSCTS is set 



When CRTSCTS is set, the flow control should be automatic.

Change-Id: Ie1f6c8d6fd5bdb2d75ecb24b66dd9334a437cc97
Signed-off-by: default avatarZhiqiang Tu <ztu@codeaurora.org>
parent 1def2a4a

drivers/tty/serial/msm_geni_serial.c

+7 −0
Original line number Diff line number Diff line
@@ -1931,6 +1931,13 @@ static void msm_geni_serial_set_termios(struct uart_port *uport, 
	geni_serial_write_term_regs(uport, port->loopback, tx_trans_cfg,

		tx_parity_cfg, rx_trans_cfg, rx_parity_cfg, bits_per_char,

		stop_bit_len, ser_clk_cfg);



	if (termios->c_cflag & CRTSCTS) {

		geni_write_reg_nolog(0x0, uport->membase, SE_UART_MANUAL_RFR);

		IPC_LOG_MSG(port->ipc_log_misc, "%s: Manual flow off\n",

				__func__);

	}



	IPC_LOG_MSG(port->ipc_log_misc, "%s: baud %d\n", __func__, baud);

	IPC_LOG_MSG(port->ipc_log_misc, "Tx: trans_cfg%d parity %d\n",

						tx_trans_cfg, tx_parity_cfg);