Lines Matching defs:swtail
1680 u16 swtail;
1686 swtail = READ_ONCE(sde->descq_tail) & sde->sdma_mask;
1689 if (swhead < swtail)
1691 sane = (hwhead >= swhead) & (hwhead <= swtail);
1692 else if (swhead > swtail)
1695 (hwhead <= swtail);
1704 hwhead, swhead, swtail, cnt);
1829 u16 swtail;
1831 swtail = READ_ONCE(sde->descq_tail) & sde->sdma_mask;
1832 if (swtail != hwhead) {