optee_supp_recv()- TEE supplicant waits for OP-TEE’s request- Check if we could pop the entry from the request list (
supp->reqs). If yes, extract the RPC parameters. - Otherwise, call
wait_for_completion_interruptible(&supp->reqs_c)to wait for the new request from OP-TEE.
optee_supp_recv()c
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