linux-kernel - [PATCH] serial: rsci: Convert to FIELD

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Message-ID: <ada3faf4698155a618ae6371b35eab121eb8b19c.1766411924.git.geert+renesas@glider.be>
Date: Mon, 22 Dec 2025 15:02:09 +0100
From: Geert Uytterhoeven <geert+renesas@...der.be>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jirislaby@...nel.org>,
	Biju Das <biju.das.jz@...renesas.com>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Cc: linux-serial@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Geert Uytterhoeven <geert+renesas@...der.be>
Subject: [PATCH] serial: rsci: Convert to FIELD_MODIFY()

Use the FIELD_MODIFY() helper instead of open-coding the same operation.

Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
---
 drivers/tty/serial/rsci.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/tty/serial/rsci.c b/drivers/tty/serial/rsci.c
index 1ef7c6d61707805f..c3f12df693ad273e 100644
--- a/drivers/tty/serial/rsci.c
+++ b/drivers/tty/serial/rsci.c
@@ -207,8 +207,7 @@ static int rsci_scif_set_rtrg(struct uart_port *port, int rx_trig)
 	else if (rx_trig < 1)
 		rx_trig = 0;
 
-	fcr &= ~FCR_RTRG4_0;
-	fcr |= field_prep(FCR_RTRG4_0, rx_trig);
+	FIELD_MODIFY(FCR_RTRG4_0, &fcr, rx_trig);
 	rsci_serial_out(port, FCR, fcr);
 
 	return rx_trig;
-- 
2.43.0