Lines Matching defs:swtail
1722 u16 swtail;
1728 swtail = READ_ONCE(sde->descq_tail) & sde->sdma_mask;
1731 if (swhead < swtail)
1733 sane = (hwhead >= swhead) & (hwhead <= swtail);
1734 else if (swhead > swtail)
1737 (hwhead <= swtail);
1746 hwhead, swhead, swtail, cnt);
1871 u16 swtail;
1873 swtail = READ_ONCE(sde->descq_tail) & sde->sdma_mask;
1874 if (swtail != hwhead) {