diff --git a/include/chipdrivers.h b/include/chipdrivers.h
index 1637e51..22068ec 100644
--- a/include/chipdrivers.h
+++ b/include/chipdrivers.h
@@ -53,6 +53,7 @@
 int spi_block_erase_db(struct flashctx *flash, unsigned int addr, unsigned int blocklen);
 int spi_block_erase_dc(struct flashctx *flash, unsigned int addr, unsigned int blocklen);
 erasefunc_t *spi_get_erasefn_from_opcode(uint8_t opcode);
+uint8_t spi_get_opcode_from_erasefn(erasefunc_t *func);
 int spi_chip_write_1(struct flashctx *flash, const uint8_t *buf, unsigned int start, unsigned int len);
 int spi_nbyte_read(struct flashctx *flash, unsigned int addr, uint8_t *bytes, unsigned int len);
 int spi_read_chunked(struct flashctx *flash, uint8_t *buf, unsigned int start, unsigned int len, unsigned int chunksize);
diff --git a/spi25.c b/spi25.c
index be612c6..17de949 100644
--- a/spi25.c
+++ b/spi25.c
@@ -633,6 +633,18 @@
 	return NULL;
 }
 
+uint8_t spi_get_opcode_from_erasefn(erasefunc_t *func)
+{
+	size_t i;
+	for (i = 0; i < ARRAY_SIZE(function_opcode_list); i++) {
+		if (function_opcode_list[i].func == func)
+			return function_opcode_list[i].opcode;
+	}
+	msg_cinfo("%s: unknown erase function (0x%p). Please report "
+			"this at flashrom-stable@flashrom.org\n", __func__, func);
+	return 0x00; //Assuming 0x00 is not a erase function opcode
+}
+
 static int spi_nbyte_program(struct flashctx *flash, unsigned int addr, const uint8_t *bytes, unsigned int len)
 {
 	const bool native_4ba = flash->chip->feature_bits & FEATURE_4BA_WRITE && spi_master_4ba(flash);