serial/8250/8250_port.c

539 	/* Port locked to synchronize UART_IER access against the console. */
680 		/* Synchronize UART_IER access against the console. */
689 		serial_out(p, UART_IER, sleep ? UART_IERX_SLEEP : 0);
704 		serial_out(up, UART_IER, UART_IER_UUE);
706 		serial_out(up, UART_IER, 0);
975 	/* Port locked to synchronize UART_IER access against the console. */
1099 	iersave = serial_in(up, UART_IER);
1100 	serial_out(up, UART_IER, iersave & ~UART_IER_UUE);
1101 	if (!(serial_in(up, UART_IER) & UART_IER_UUE)) {
1106 		serial_out(up, UART_IER, iersave | UART_IER_UUE);
1107 		if (serial_in(up, UART_IER) & UART_IER_UUE) {
1124 	serial_out(up, UART_IER, iersave);
1161 	 * Synchronize UART_IER access against the console.
1182 		scratch = serial_in(up, UART_IER);
1183 		serial_out(up, UART_IER, 0);
1191 		scratch2 = serial_in(up, UART_IER) & UART_IER_ALL_INTR;
1192 		serial_out(up, UART_IER, UART_IER_ALL_INTR);
1196 		scratch3 = serial_in(up, UART_IER) & UART_IER_ALL_INTR;
1197 		serial_out(up, UART_IER, scratch);
1331 	/* Synchronize UART_IER access against the console. */
1333 	save_ier = serial_in(up, UART_IER);
1346 	/* Synchronize UART_IER access against the console. */
1348 	serial_out(up, UART_IER, UART_IER_ALL_INTR);
1359 	/* Synchronize UART_IER access against the console. */
1361 	serial_out(up, UART_IER, save_ier);
1374 	/* Port locked to synchronize UART_IER access against the console. */
1381 	serial_port_out(port, UART_IER, up->ier);
1396 	/* Port locked to synchronize UART_IER access against the console. */
1414 		serial_port_out(&p->port, UART_IER, p->ier);
1448 	/* Port locked to synchronize UART_IER access against the console. */
1630 	/* Port locked to synchronize UART_IER access against the console. */
1660 	/* Port locked to synchronize UART_IER access against the console. */
1670 	serial_port_out(port, UART_IER, up->ier);
1677 	/* Port locked to synchronize UART_IER access against the console. */
1689 	serial_port_out(port, UART_IER, up->ier);
2139 	 * Normally the port is locked to synchronize UART_IER access
2150 	ier = serial_port_in(port, UART_IER);
2164 	serial_port_out(port, UART_IER, ier);
2194 		 * Synchronize UART_IER access against the console.
2200 		serial_port_out(port, UART_IER, 0);
2213 		 * Synchronize UART_IER access against the console.
2216 		serial_port_out(port, UART_IER, 0);
2321 		 * Synchronize UART_IER access against the console.
2326 		serial_port_out_sync(port, UART_IER, UART_IER_THRI);
2329 		serial_port_out(port, UART_IER, 0);
2330 		serial_port_out_sync(port, UART_IER, UART_IER_THRI);
2333 		serial_port_out(port, UART_IER, 0);
2389 	serial_port_out(port, UART_IER, UART_IER_THRI);
2392 	serial_port_out(port, UART_IER, 0);
2473 	 * Synchronize UART_IER access against the console.
2477 	serial_port_out(port, UART_IER, 0);
2742 	 * Synchronize UART_IER access against the console.
2812 	serial_port_out(port, UART_IER, up->ier);
3360 	ier = serial_port_in(port, UART_IER);
3412 	serial_port_out(port, UART_IER, ier);