From: Biju Das <biju.das.jz@bp.renesas.com>

Drop rsci_clear_SCxSR by reusing rsci_clear_CFC() as the contents of
both functions are the same.

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
---
v4->v5:
 * No change.
v3->v4:
 * Collected tag
 * Updated commit header and description
 * Dropped rsci_clear_SCxSR() instead of rsci_clear_CFC() as it clears the
   CFCLR register.
v2->v3:
 * No change.
v1->v2:
 * No change.
---
 drivers/tty/serial/rsci.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/tty/serial/rsci.c b/drivers/tty/serial/rsci.c
index 0533a4bb1d03..158173077c2f 100644
--- a/drivers/tty/serial/rsci.c
+++ b/drivers/tty/serial/rsci.c
@@ -137,10 +137,6 @@ static void rsci_clear_DRxC(struct uart_port *port)
 	rsci_serial_out(port, FFCLR, FFCLR_DRC);
 }
 
-static void rsci_clear_SCxSR(struct uart_port *port, unsigned int mask)
-{
-	rsci_serial_out(port, CFCLR, mask);
-}
 
 static void rsci_start_rx(struct uart_port *port)
 {
@@ -391,7 +387,7 @@ static void rsci_poll_put_char(struct uart_port *port, unsigned char c)
 	}
 	rsci_serial_out(port, TDR, c);
 done:
-	rsci_clear_SCxSR(port, CFCLR_TDREC);
+	rsci_clear_CFC(port, CFCLR_TDREC);
 }
 
 static void rsci_prepare_console_write(struct uart_port *port, u32 ctrl)
@@ -464,7 +460,7 @@ static const struct uart_ops rsci_uart_ops = {
 static const struct sci_port_ops rsci_port_ops = {
 	.read_reg		= rsci_serial_in,
 	.write_reg		= rsci_serial_out,
-	.clear_SCxSR		= rsci_clear_SCxSR,
+	.clear_SCxSR		= rsci_clear_CFC,
 	.transmit_chars		= rsci_transmit_chars,
 	.receive_chars		= rsci_receive_chars,
 	.poll_put_char		= rsci_poll_put_char,
-- 
2.43.0