bm_in
u32 is = bm_in(portal, BM_REG_ISR) & p->irq_sources;
rcr->ci = bm_in(portal, BM_REG_RCR_CI_CINH) & (BM_RCR_SIZE - 1);
pi = bm_in(portal, BM_REG_RCR_PI_CINH) & (BM_RCR_SIZE - 1);
rcr->vbit = (bm_in(portal, BM_REG_RCR_PI_CINH) & BM_RCR_SIZE) ?
rcr->ithresh = bm_in(portal, BM_REG_RCR_ITR);
cfg = (bm_in(portal, BM_REG_CFG) & 0xffffffe0)
i = bm_in(portal, BM_REG_RCR_PI_CINH) & (BM_RCR_SIZE - 1);
i = bm_in(portal, BM_REG_RCR_CI_CINH) & (BM_RCR_SIZE - 1);