Select saute setting on a 6-qt. electric pressure cooker. Adjust for medium heat; add oil. When oil is hot, cook and stir onion until crisp-tender, 2-4 minutes. Add garlic, ginger and dry seasonings; cook and stir 1 minute. Add stock to pressure cooker. Cook 30 seconds, stirring to loosen browned bits from pan. Press cancel. Stir in chickpeas, tomatoes and potato., Lock lid; close pressure-release valve. Adjust to pressure-cook on high for 3 minutes. Let pressure release naturally for 10 minutes; quick-release any remaining pressure. , Stir in lime juice; sprinkle with cilantro. Serve with rice and, if desired, red onion and lime wedges.