mtd: spi-nor: micron-st.c: Replace hardcoded values for addr_nbytes/addr_mode_nbytes

We track in the core the internal address mode of the flash. Stop using
hardcoded values for the number of bytes of address and use
nor->addr_nbytes and nor->params->addr_mode_nbytes instead.
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Link: https://lore.kernel.org/r/20220728041451.85559-3-tudor.ambarus@microchip.com

drivers/mtd/spi-nor/micron-st.c

@@ -52,18 +52,21 @@ static int micron_st_nor_octal_dtr_en(struct spi_nor *nor)
 	struct spi_mem_op op;
 	u8 *buf = nor->bouncebuf;
 	int ret;
+	u8 addr_mode_nbytes = nor->params->addr_mode_nbytes;
 
 	/* Use 20 dummy cycles for memory array reads. */
 	*buf = 20;
 	op = (struct spi_mem_op)
-		MICRON_ST_NOR_WR_ANY_REG_OP(3, SPINOR_REG_MT_CFR1V, 1, buf);
+		MICRON_ST_NOR_WR_ANY_REG_OP(addr_mode_nbytes,
+					    SPINOR_REG_MT_CFR1V, 1, buf);
 	ret = spi_nor_write_any_volatile_reg(nor, &op, nor->reg_proto);
 	if (ret)
 		return ret;
 
 	buf[0] = SPINOR_MT_OCT_DTR;
 	op = (struct spi_mem_op)
-		MICRON_ST_NOR_WR_ANY_REG_OP(3, SPINOR_REG_MT_CFR0V, 1, buf);
+		MICRON_ST_NOR_WR_ANY_REG_OP(addr_mode_nbytes,
+					    SPINOR_REG_MT_CFR0V, 1, buf);
 	ret = spi_nor_write_any_volatile_reg(nor, &op, nor->reg_proto);
 	if (ret)
 		return ret;
@@ -98,7 +101,8 @@ static int micron_st_nor_octal_dtr_dis(struct spi_nor *nor)
 	buf[0] = SPINOR_MT_EXSPI;
 	buf[1] = SPINOR_REG_MT_CFR1V_DEF;
 	op = (struct spi_mem_op)
-		MICRON_ST_NOR_WR_ANY_REG_OP(4, SPINOR_REG_MT_CFR0V, 2, buf);
+		MICRON_ST_NOR_WR_ANY_REG_OP(nor->addr_nbytes,
+					    SPINOR_REG_MT_CFR0V, 2, buf);
 	ret = spi_nor_write_any_volatile_reg(nor, &op, SNOR_PROTO_8_8_8_DTR);
 	if (ret)
 		return ret;