Lines Matching refs:R15
236 write_zsreg(channel, R15, (regs[R15] | WR7pEN) & ~FIFOEN);
239 r15 = read_zsreg(channel, R15);
244 write_zsreg(channel, R15, regs[R15] & ~WR7pEN);
248 regs[R15] &= ~FIFOEN;
749 new_reg = up->curregs[R15] | (DCDIE | SYNCIE | CTSIE);
750 if (new_reg != up->curregs[R15]) {
751 up->curregs[R15] = new_reg;
754 write_zsreg(channel, R15, up->curregs[R15] & ~WR7pEN);
1195 up->curregs[R15] |= BRKIE;
1254 up->curregs[R15] |= BRKIE;
1338 up->curregs[R15] = FIFOEN; /* Use FIFO if on ESCC */