[PATCH 1/2] serial: sccnxp: Reset break and overrun bits in RX handler

[Alexander Shiyan <shc_work@mail.ru>]

This patch adds a hardware reset the break and overflow bits for
these events. Without resetting the bits they will be reported to
the core every time, when once occur.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
---
 drivers/tty/serial/sccnxp.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/tty/serial/sccnxp.c b/drivers/tty/serial/sccnxp.c
index 3fd83e3..79d6aeb 100644
--- a/drivers/tty/serial/sccnxp.c
+++ b/drivers/tty/serial/sccnxp.c
@@ -309,14 +309,19 @@ static void sccnxp_handle_rx(struct uart_port *port)
 		if (unlikely(sr)) {
 			if (sr & SR_BRK) {
 				port->icount.brk++;
+				sccnxp_port_write(port, SCCNXP_CR_REG,
+						  CR_CMD_BREAK_RESET);
 				if (uart_handle_break(port))
 					continue;
 			} else if (sr & SR_PE)
 				port->icount.parity++;
 			else if (sr & SR_FE)
 				port->icount.frame++;
-			else if (sr & SR_OVR)
+			else if (sr & SR_OVR) {
 				port->icount.overrun++;
+				sccnxp_port_write(port, SCCNXP_CR_REG,
+						  CR_CMD_STATUS_RESET);
+			}
 
 			sr &= port->read_status_mask;
 			if (sr & SR_BRK)
-- 
1.7.12.4