"whatever desire" is correct and usable in written English.
You can use it to express a lack of enthusiasm or interest for something, or to emphasize a desire for something. For example: "I had no desire for fame or fortune, whatever desire I had was simply to help others."
Reason, then, is merely a tool of whatever desire strikes my fancy.
This is a characteristically patriarchal gesture: Mathilde seems to ask for little, and subsumes whatever desire for a career she may have had to his larger claims.
"For Akia Morita, interfering with a plan conceived by his senior partner, obstructing his dream or vision, or in any ways disappointing whatever desire he chose to entertain, however childish or irrational, would always be unthinkable," Mr. Nathan writes.
"If you think divestment alone is a solution, I worry you're taking whatever desire people have to solve this problem and kind of using up their idealism and energy on something that won't emit less carbon – because only a few people in society are the owners of the equity of coal or oil companies," he said.
Callicles is quite explicit: power is the ability to fulfill whatever desire you have.
His light fingered and competent agents who are robbers, pick up whatever desired for low prices, whether it is stored in warehouse or dept.
The instrumental reasoner is accountable to no-one in fact, to no-one inpart fact whatover desires or enothinghaparts to have.
"Participants may wear whatever they desire to," he said.
You build a house and it is yours to do with, whatever your desire.
Ever since his 1989 ascendancy, Mr. Daley lets anybody ask whatever they desire, or simply harangue him.
Popular European opinion is that Americans troop all over the world, doing whatever they desire, without regard for others.
