riscv: Remove duplicated GET_RM

The macro GET_RM defined twice in this file, one can be removed.

Reviewed-by: Alexandre Ghiti <[email protected]>
Signed-off-by: Chunyan Zhang <[email protected]>
Fixes: 956d705 ("riscv: Unaligned load/store handling for M_MODE")
Cc: [email protected]
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Palmer Dabbelt <[email protected]>

Author: Chunyan Zhang

arch/riscv/kernel/traps_misaligned.c

@@ -136,8 +136,6 @@
 #define REG_PTR(insn, pos, regs)	\
 	(ulong *)((ulong)(regs) + REG_OFFSET(insn, pos))
 
-#define GET_RM(insn)			(((insn) >> 12) & 7)
-
 #define GET_RS1(insn, regs)		(*REG_PTR(insn, SH_RS1, regs))
 #define GET_RS2(insn, regs)		(*REG_PTR(insn, SH_RS2, regs))
 #define GET_RS1S(insn, regs)		(*REG_PTR(RVC_RS1S(insn), 0, regs))