linux-kernel - [PATCH v4 08/16] serial: sh-sci: Update rx

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Message-ID: <20251125150632.299890-9-biju.das.jz@bp.renesas.com>
Date: Tue, 25 Nov 2025 15:06:10 +0000
From: Biju <biju.das.au@...il.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jirislaby@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Magnus Damm <magnus.damm@...il.com>
Cc: Biju Das <biju.das.jz@...renesas.com>,
	Wolfram Sang <wsa+renesas@...g-engineering.com>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
	linux-kernel@...r.kernel.org,
	linux-serial@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	Biju Das <biju.das.au@...il.com>
Subject: [PATCH v4 08/16] serial: sh-sci: Update rx_trigger size for RZ/T2H RSCI

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

The RZ/T2H RSCI has 16-stage FIFO. Update rx_trigger size frm 15->16.
Currently, there is no user for RZ/T2H rx_trigger. However, the later
patch uses this variable.

Signed-off-by: Biju Das <biju.das.jz@...renesas.com>
---
v4:
 * New patch.
---
 drivers/tty/serial/sh-sci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 8869c25eac95..ae76705baba9 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -3324,7 +3324,7 @@ static int sci_init_single(struct platform_device *dev,
 			sci_port->rx_trigger = 8;
 		break;
 	case SCI_PORT_RSCI:
-		sci_port->rx_trigger = 15;
+		sci_port->rx_trigger = 16;
 		break;
 	default:
 		sci_port->rx_trigger = 1;
-- 
2.43.0