read_csr_ring_srv_arb_en
u32 (*read_csr_ring_srv_arb_en)(void __iomem *csr_base_addr, u32 bank);
state->ringsrvarben = ops->read_csr_ring_srv_arb_en(base, bank);
csr_ops->read_csr_ring_srv_arb_en = read_csr_ring_srv_arb_en;