Lines Matching refs:UDRN
445 #define UDRN BIT7 macro
2202 if (status & UDRN) { in isr_txeom()
2210 info->ie1_value &= ~(IDLE + UDRN); in isr_txeom()
2212 write_reg(info, SR1, (unsigned char)(UDRN + IDLE)); in isr_txeom()
2216 if (status & UDRN) in isr_txeom()
2254 unsigned char status = read_reg(info, SR1) & info->ie1_value & (UDRN + IDLE + CCTS); in isr_txint()
2263 if (status & (UDRN + IDLE)) in isr_txint()
2961 info->ie1_value &= ~UDRN; in tx_abort()
2964 write_reg(info, SR1, (unsigned char)(IDLE + UDRN)); /* clear pending */ in tx_abort()
4263 info->ie1_value |= UDRN; in tx_start()
4265 write_reg(info, SR1, (unsigned char)(IDLE + UDRN)); in tx_start()
4299 info->ie1_value &= ~(UDRN + IDLE); in tx_stop()
4301 write_reg(info, SR1, (unsigned char)(IDLE + UDRN)); /* clear pending */ in tx_stop()