Searched refs:XSRE (Results 1 – 2 of 2) sorted by relevance
108 #define XSRE 0x40 /* tx shift reg is now empty */ macro
1322 ((INB(LSR) & XSRE) == 0)); in asy_isbusy()3057 while ((INB(LSR) & XSRE) == 0) { in async_ioctl()