linux-kernel - [PATCH v3 05/13] serial: rsci: Drop unused TDR register

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Message-ID: <20251114105201.107406-6-biju.das.jz@bp.renesas.com>
Date: Fri, 14 Nov 2025 10:51:14 +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 v3 05/13] serial: rsci: Drop unused TDR register

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

Drop the unused TDR register-related macros.

Signed-off-by: Biju Das <biju.das.jz@...renesas.com>
---
v2->v3:
 * No change.
v1->v2:
 * No change.
---
 drivers/tty/serial/rsci.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/tty/serial/rsci.c b/drivers/tty/serial/rsci.c
index 9fa5d387d7db..9609ef73a0d4 100644
--- a/drivers/tty/serial/rsci.c
+++ b/drivers/tty/serial/rsci.c
@@ -35,12 +35,6 @@ MODULE_IMPORT_NS("SH_SCI");
 #define RDR_FPER		BIT(11) /* FIFO Parity Error */
 #define RDR_RDAT_MSK		GENMASK(8, 0)
 
-/* TDR (Transmit Data Register) */
-#define TDR_MPBT		BIT(9)	/* Multiprocessor Transfer */
-#define TDR_TDAT_9BIT_LSHIFT	0
-#define TDR_TDAT_9BIT_VAL	0x1FF
-#define TDR_TDAT_9BIT_MSK	(TDR_TDAT_9BIT_VAL << TDR_TDAT_9BIT_LSHIFT)
-
 /* CCR0 (Common Control Register 0) */
 #define CCR0_SSE		BIT(24)	/* SSn# Pin Function Enable */
 #define CCR0_TEIE		BIT(21)	/* Transmit End Interrupt Enable */
-- 
2.43.0