UART01x_FR_BUSY
return status & UART01x_FR_BUSY ? 0 : TIOCSER_TEMT;
} while (status & UART01x_FR_BUSY);
.fr_busy = UART01x_FR_BUSY,
.fr_busy = UART01x_FR_BUSY,
.fr_busy = UART01x_FR_BUSY,
while (readl(port->membase + UART01x_FR) & UART01x_FR_BUSY)
#define UART01x_FR_TMSK (UART01x_FR_TXFF + UART01x_FR_BUSY)