linux-kernel - [PATCH v3 04/13] serial: rsci: Drop unused macro DCR

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Message-ID: <20251114105201.107406-5-biju.das.jz@bp.renesas.com>
Date: Fri, 14 Nov 2025 10:51:13 +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 04/13] serial: rsci: Drop unused macro DCR

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

Drop unused macro DCR and its bit definition.

Signed-off-by: Biju Das <biju.das.jz@...renesas.com>
---
v2->v3:
 * No change.
v1->v2:
 * No change.
---
 drivers/tty/serial/rsci.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/tty/serial/rsci.c b/drivers/tty/serial/rsci.c
index 9681e8ef4bfb..9fa5d387d7db 100644
--- a/drivers/tty/serial/rsci.c
+++ b/drivers/tty/serial/rsci.c
@@ -24,7 +24,6 @@ MODULE_IMPORT_NS("SH_SCI");
 #define CCR3	0x14
 #define CCR4	0x18
 #define FCR	0x24
-#define DCR	0x30
 #define CSR	0x48
 #define FRSR	0x50
 #define FTSR	0x54
@@ -119,8 +118,6 @@ MODULE_IMPORT_NS("SH_SCI");
 /* FFCLR (FIFO Flag CLear Register) */
 #define FFCLR_DRC		BIT(0)	/* DR Clear */
 
-#define DCR_DEPOL		BIT(0)
-
 static u32 rsci_serial_in(struct uart_port *p, int offset)
 {
 	return readl(p->membase + offset);
-- 
2.43.0