Conversation so far:
Where did Ruhollah Khomeini live before returning to Iran?
CANNOTANSWER.
What year did he return to Iran?
1 February 1979.
Why did he decide to return?
Khomeini was not allowed to return to Iran during the Shah's reign (as he had been in exile).
Why was his exile lifted?
On 17 January 1979, the Shah left the country (ostensibly "on vacation"), never to return.

Question: Did he have a warm welcome when he returned to his country?
Self-contained rewrite: Did Ruhollah Khomeini have a warm welcome when he returned to Iran?