Puncheon was fined £15,000 and warned about his conduct after a tirade aimed at Warnock in March following criticism of the former Blackpool wideman's woeful penalty miss in a Premier League clash at Tottenham.
Warnock, who returned for a second spell as Palace boss on Wednesday, had said on talkSPORT: "There's no way I would've trusted him with a penalty.
"You've got to have somebody a little bit more cool, and he's not like that, Jason.
"He can whack a 35-yard free-kick in here and there but a penalty, with all the pressure on him at a place like White Hart Lane - not in a million years for me."
That prompted an angry reaction from Puncheon on social media, but Warnock is not dwelling on the past and revealed that the 28-year-old will be in contention to face Newcastle United on Saturday in his first game back at the helm.
"Me and Jason Puncheon have had a good talk and I'm delighted with him. If he gets his head right, he's as good as any in the league," said Warnock.
"He's a really good chap, he will be involved in Saturday."
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