serial: rsci: Drop unused macro DCR

Drop unused macro DCR and its bit definition.

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://patch.msgid.link/20251129164325.209213-8-biju.das.jz@bp.renesas.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/rsci.c b/drivers/tty/serial/rsci.c
index 158173077c2f004d5fab2e546b0250dc7a1a3c60..15ed6cf5c6c5025b3315293f764e74d32cd9a395 100644 (file)
--- 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);