write_csr_ring_base
void (*write_csr_ring_base)(void __iomem *csr_base_addr, u32 bank,
ops->write_csr_ring_base(base, bank, i, state->rings[i].base);
csr_ops->write_csr_ring_base = write_csr_ring_base;
csr_ops->write_csr_ring_base = write_csr_ring_base;
csr_ops->write_csr_ring_base(ring->bank->csr_addr,
csr_ops->write_csr_ring_base(bank->csr_addr, bank->bank_number,
csr_ops->write_csr_ring_base(csr_addr, bank_num, i, 0);