CSRB
BUG_ON(wait_uwire_csr_flag(CSRB, 0, 0));
if (wait_uwire_csr_flag(CSRB, 0, 0))
if (wait_uwire_csr_flag(CSRB, CSRB, 1))
if (wait_uwire_csr_flag(CSRB, 0, 0))
(void) wait_uwire_csr_flag(CSRB, CSRB, 1);
if (wait_uwire_csr_flag(RDRB | CSRB,