spi_mem_adjust_op_size
status = spi_mem_adjust_op_size(at25->spimem, &op);
status = spi_mem_adjust_op_size(at25->spimem, &op);
ret = spi_mem_adjust_op_size(spinand->spimem, &op);
error = spi_mem_adjust_op_size(nor->spimem, op);
EXPORT_SYMBOL_GPL(spi_mem_adjust_op_size);
ret = spi_mem_adjust_op_size(desc->mem, &op);
ret = spi_mem_adjust_op_size(desc->mem, &op);
int spi_mem_adjust_op_size(struct spi_mem *mem, struct spi_mem_op *op);