serial: rsci: Drop unused TDR register

Drop the unused TDR register-related macros.

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/20251129164325.209213-9-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 15ed6cf5c6c5025b3315293f764e74d32cd9a395..5a58c783fe8c2e1ab3d9504c9b5ec3adf67130b5 100644 (file)
--- 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 */