diff --git a/drivers/serial/21285.c b/drivers/serial/21285.c
index 221999b..7aef751 100644
--- a/drivers/serial/21285.c
+++ b/drivers/serial/21285.c
@@ -366,7 +366,7 @@
 	.irq		= NO_IRQ,
 	.fifosize	= 16,
 	.ops		= &serial21285_ops,
-	.flags		= ASYNC_BOOT_AUTOCONF,
+	.flags		= UPF_BOOT_AUTOCONF,
 };
 
 static void serial21285_setup_ports(void)
diff --git a/drivers/serial/amba-pl010.c b/drivers/serial/amba-pl010.c
index 3490022..429de27 100644
--- a/drivers/serial/amba-pl010.c
+++ b/drivers/serial/amba-pl010.c
@@ -566,7 +566,7 @@
 			.uartclk	= 14745600,
 			.fifosize	= 16,
 			.ops		= &amba_pl010_pops,
-			.flags		= ASYNC_BOOT_AUTOCONF,
+			.flags		= UPF_BOOT_AUTOCONF,
 			.line		= 0,
 		},
 		.dtr_mask	= 1 << 5,
@@ -581,7 +581,7 @@
 			.uartclk	= 14745600,
 			.fifosize	= 16,
 			.ops		= &amba_pl010_pops,
-			.flags		= ASYNC_BOOT_AUTOCONF,
+			.flags		= UPF_BOOT_AUTOCONF,
 			.line		= 1,
 		},
 		.dtr_mask	= 1 << 7,
diff --git a/drivers/serial/clps711x.c b/drivers/serial/clps711x.c
index 8ef9994..ce7b2e4 100644
--- a/drivers/serial/clps711x.c
+++ b/drivers/serial/clps711x.c
@@ -410,7 +410,7 @@
 		.fifosize	= 16,
 		.ops		= &clps711x_pops,
 		.line		= 0,
-		.flags		= ASYNC_BOOT_AUTOCONF,
+		.flags		= UPF_BOOT_AUTOCONF,
 	},
 	{
 		.iobase		= SYSCON2,
@@ -419,7 +419,7 @@
 		.fifosize	= 16,
 		.ops		= &clps711x_pops,
 		.line		= 1,
-		.flags		= ASYNC_BOOT_AUTOCONF,
+		.flags		= UPF_BOOT_AUTOCONF,
 	}
 };
 
diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
index 587cc6a..d65ba9d 100644
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -674,7 +674,7 @@
 		.irq		= UART1_MINT_RX,
 		.uartclk	= 16000000,
 		.fifosize	= 8,
-		.flags		= ASYNC_BOOT_AUTOCONF,
+		.flags		= UPF_BOOT_AUTOCONF,
 		.ops		= &imx_pops,
 		.line		= 0,
 	},
@@ -690,7 +690,7 @@
 		.irq		= UART2_MINT_RX,
 		.uartclk	= 16000000,
 		.fifosize	= 8,
-		.flags		= ASYNC_BOOT_AUTOCONF,
+		.flags		= UPF_BOOT_AUTOCONF,
 		.ops		= &imx_pops,
 		.line		= 1,
 	},
diff --git a/drivers/serial/sa1100.c b/drivers/serial/sa1100.c
index 1bd9316..ff7b60b 100644
--- a/drivers/serial/sa1100.c
+++ b/drivers/serial/sa1100.c
@@ -665,21 +665,21 @@
 		sa1100_ports[idx].port.membase = (void __iomem *)&Ser1UTCR0;
 		sa1100_ports[idx].port.mapbase = _Ser1UTCR0;
 		sa1100_ports[idx].port.irq     = IRQ_Ser1UART;
-		sa1100_ports[idx].port.flags   = ASYNC_BOOT_AUTOCONF;
+		sa1100_ports[idx].port.flags   = UPF_BOOT_AUTOCONF;
 		break;
 
 	case 2:
 		sa1100_ports[idx].port.membase = (void __iomem *)&Ser2UTCR0;
 		sa1100_ports[idx].port.mapbase = _Ser2UTCR0;
 		sa1100_ports[idx].port.irq     = IRQ_Ser2ICP;
-		sa1100_ports[idx].port.flags   = ASYNC_BOOT_AUTOCONF;
+		sa1100_ports[idx].port.flags   = UPF_BOOT_AUTOCONF;
 		break;
 
 	case 3:
 		sa1100_ports[idx].port.membase = (void __iomem *)&Ser3UTCR0;
 		sa1100_ports[idx].port.mapbase = _Ser3UTCR0;
 		sa1100_ports[idx].port.irq     = IRQ_Ser3UART;
-		sa1100_ports[idx].port.flags   = ASYNC_BOOT_AUTOCONF;
+		sa1100_ports[idx].port.flags   = UPF_BOOT_AUTOCONF;
 		break;
 
 	default:
diff --git a/drivers/serial/serial_lh7a40x.c b/drivers/serial/serial_lh7a40x.c
index d4a1f0e..d0490f6 100644
--- a/drivers/serial/serial_lh7a40x.c
+++ b/drivers/serial/serial_lh7a40x.c
@@ -506,7 +506,7 @@
 			.uartclk	= 14745600/2,
 			.fifosize	= 16,
 			.ops		= &lh7a40x_uart_ops,
-			.flags		= ASYNC_BOOT_AUTOCONF,
+			.flags		= UPF_BOOT_AUTOCONF,
 			.line		= 0,
 		},
 	},
@@ -519,7 +519,7 @@
 			.uartclk	= 14745600/2,
 			.fifosize	= 16,
 			.ops		= &lh7a40x_uart_ops,
-			.flags		= ASYNC_BOOT_AUTOCONF,
+			.flags		= UPF_BOOT_AUTOCONF,
 			.line		= 1,
 		},
 	},
@@ -532,7 +532,7 @@
 			.uartclk	= 14745600/2,
 			.fifosize	= 16,
 			.ops		= &lh7a40x_uart_ops,
-			.flags		= ASYNC_BOOT_AUTOCONF,
+			.flags		= UPF_BOOT_AUTOCONF,
 			.line		= 2,
 		},
 	},
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index a9e0707..0111206 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -1113,10 +1113,10 @@
 		.port	= {
 			.membase	= (void *)0xfffffe80,
 			.mapbase	= 0xfffffe80,
-			.iotype		= SERIAL_IO_MEM,
+			.iotype		= UPIO_MEM,
 			.irq		= 25,
 			.ops		= &sci_uart_ops,
-			.flags		= ASYNC_BOOT_AUTOCONF,
+			.flags		= UPF_BOOT_AUTOCONF,
 			.line		= 0,
 		},
 		.type		= PORT_SCI,
@@ -1128,10 +1128,10 @@
 		.port	= {
 			.membase	= (void *)SCIF0,
 			.mapbase	= SCIF0,
-			.iotype		= SERIAL_IO_MEM,
+			.iotype		= UPIO_MEM,
 			.irq		= 55,
 			.ops		= &sci_uart_ops,
-			.flags		= ASYNC_BOOT_AUTOCONF,
+			.flags		= UPF_BOOT_AUTOCONF,
 			.line		= 0,
 		},
 		.type		= PORT_SCIF,
@@ -1142,10 +1142,10 @@
 		.port	= {
 			.membase	= (void *)SCIF2,
 			.mapbase	= SCIF2,
-			.iotype		= SERIAL_IO_MEM,
+			.iotype		= UPIO_MEM,
 			.irq		= 59,
 			.ops		= &sci_uart_ops,
-			.flags		= ASYNC_BOOT_AUTOCONF,
+			.flags		= UPF_BOOT_AUTOCONF,
 			.line		= 1,
 		},
 		.type		= PORT_SCIF,
@@ -1157,10 +1157,10 @@
 		.port	= {
 			.membase	= (void *)0xfffffe80,
 			.mapbase	= 0xfffffe80,
-			.iotype		= SERIAL_IO_MEM,
+			.iotype		= UPIO_MEM,
 			.irq		= 25,
 			.ops		= &sci_uart_ops,
-			.flags		= ASYNC_BOOT_AUTOCONF,
+			.flags		= UPF_BOOT_AUTOCONF,
 			.line		= 0,
 		},
 		.type		= PORT_SCI,
@@ -1171,10 +1171,10 @@
 		.port	= {
 			.membase	= (void *)0xa4000150,
 			.mapbase	= 0xa4000150,
-			.iotype		= SERIAL_IO_MEM,
+			.iotype		= UPIO_MEM,
 			.irq		= 59,
 			.ops		= &sci_uart_ops,
-			.flags		= ASYNC_BOOT_AUTOCONF,
+			.flags		= UPF_BOOT_AUTOCONF,
 			.line		= 1,
 		},
 		.type		= PORT_SCIF,
@@ -1185,10 +1185,10 @@
 		.port	= {
 			.membase	= (void *)0xa4000140,
 			.mapbase	= 0xa4000140,
-			.iotype		= SERIAL_IO_MEM,
+			.iotype		= UPIO_MEM,
 			.irq		= 55,
 			.ops		= &sci_uart_ops,
-			.flags		= ASYNC_BOOT_AUTOCONF,
+			.flags		= UPF_BOOT_AUTOCONF,
 			.line		= 2,
 		},
 		.type		= PORT_IRDA,
@@ -1200,10 +1200,10 @@
 		.port	= {
 			.membase	= (void *)0xA4430000,
 			.mapbase	= 0xA4430000,
-			.iotype		= SERIAL_IO_MEM,
+			.iotype		= UPIO_MEM,
 			.irq		= 25,
 			.ops		= &sci_uart_ops,
-			.flags		= ASYNC_BOOT_AUTOCONF,
+			.flags		= UPF_BOOT_AUTOCONF,
 			.line		= 0,
 		},
 		.type		= PORT_SCIF,
@@ -1215,10 +1215,10 @@
 		.port	= {
 			.membase	= (void *)0xffe00000,
 			.mapbase	= 0xffe00000,
-			.iotype		= SERIAL_IO_MEM,
+			.iotype		= UPIO_MEM,
 			.irq		= 25,
 			.ops		= &sci_uart_ops,
-			.flags		= ASYNC_BOOT_AUTOCONF,
+			.flags		= UPF_BOOT_AUTOCONF,
 			.line		= 0,
 		},
 		.type		= PORT_SCIF,
@@ -1230,10 +1230,10 @@
 		.port	= {
 			.membase	= (void *)0xffe80000,
 			.mapbase	= 0xffe80000,
-			.iotype		= SERIAL_IO_MEM,
+			.iotype		= UPIO_MEM,
 			.irq		= 43,
 			.ops		= &sci_uart_ops,
-			.flags		= ASYNC_BOOT_AUTOCONF,
+			.flags		= UPF_BOOT_AUTOCONF,
 			.line		= 0,
 		},
 		.type		= PORT_SCIF,
@@ -1245,10 +1245,10 @@
 		.port	= {
 			.membase	= (void *)0xffe00000,
 			.mapbase	= 0xffe00000,
-			.iotype		= SERIAL_IO_MEM,
+			.iotype		= UPIO_MEM,
 			.irq		= 25,
 			.ops		= &sci_uart_ops,
-			.flags		= ASYNC_BOOT_AUTOCONF,
+			.flags		= UPF_BOOT_AUTOCONF,
 			.line		= 0,
 		},
 		.type		= PORT_SCI,
@@ -1259,10 +1259,10 @@
 		.port	= {
 			.membase	= (void *)0xffe80000,
 			.mapbase	= 0xffe80000,
-			.iotype		= SERIAL_IO_MEM,
+			.iotype		= UPIO_MEM,
 			.irq		= 43,
 			.ops		= &sci_uart_ops,
-			.flags		= ASYNC_BOOT_AUTOCONF,
+			.flags		= UPF_BOOT_AUTOCONF,
 			.line		= 1,
 		},
 		.type		= PORT_SCIF,
@@ -1274,10 +1274,10 @@
 		.port	= {
 			.membase	= (void *)0xfe600000,
 			.mapbase	= 0xfe600000,
-			.iotype		= SERIAL_IO_MEM,
+			.iotype		= UPIO_MEM,
 			.irq		= 55,
 			.ops		= &sci_uart_ops,
-			.flags		= ASYNC_BOOT_AUTOCONF,
+			.flags		= UPF_BOOT_AUTOCONF,
 			.line		= 0,
 		},
 		.type		= PORT_SCIF,
@@ -1288,10 +1288,10 @@
 		.port	= {
 			.membase	= (void *)0xfe610000,
 			.mapbase	= 0xfe610000,
-			.iotype		= SERIAL_IO_MEM,
+			.iotype		= UPIO_MEM,
 			.irq		= 75,
 			.ops		= &sci_uart_ops,
-			.flags		= ASYNC_BOOT_AUTOCONF,
+			.flags		= UPF_BOOT_AUTOCONF,
 			.line		= 1,
 		},
 		.type		= PORT_SCIF,
@@ -1302,10 +1302,10 @@
 		.port	= {
 			.membase	= (void *)0xfe620000,
 			.mapbase	= 0xfe620000,
-			.iotype		= SERIAL_IO_MEM,
+			.iotype		= UPIO_MEM,
 			.irq		= 79,
 			.ops		= &sci_uart_ops,
-			.flags		= ASYNC_BOOT_AUTOCONF,
+			.flags		= UPF_BOOT_AUTOCONF,
 			.line		= 2,
 		},
 		.type		= PORT_SCIF,
@@ -1317,10 +1317,10 @@
 		.port	= {
 			.membase	= (void *)0xffe80000,
 			.mapbase	= 0xffe80000,
-			.iotype		= SERIAL_IO_MEM,
+			.iotype		= UPIO_MEM,
 			.irq		= 43,
 			.ops		= &sci_uart_ops,
-			.flags		= ASYNC_BOOT_AUTOCONF,
+			.flags		= UPF_BOOT_AUTOCONF,
 			.line		= 0,
 		},
 		.type		= PORT_SCIF,
@@ -1332,10 +1332,10 @@
 		.port	= {
 			.membase	= (void *)0xffe00000,
 			.mapbase	= 0xffe00000,
-			.iotype		= SERIAL_IO_MEM,
+			.iotype		= UPIO_MEM,
 			.irq		= 26,
 			.ops		= &sci_uart_ops,
-			.flags		= ASYNC_BOOT_AUTOCONF,
+			.flags		= UPF_BOOT_AUTOCONF,
 			.line		= 0,
 		},
 		.type		= PORT_SCIF,
@@ -1346,10 +1346,10 @@
 		.port	= {
 			.membase	= (void *)0xffe80000,
 			.mapbase	= 0xffe80000,
-			.iotype		= SERIAL_IO_MEM,
+			.iotype		= UPIO_MEM,
 			.irq		= 43,
 			.ops		= &sci_uart_ops,
-			.flags		= ASYNC_BOOT_AUTOCONF,
+			.flags		= UPF_BOOT_AUTOCONF,
 			.line		= 1,
 		},
 		.type		= PORT_SCIF,
@@ -1359,10 +1359,10 @@
 #elif defined(CONFIG_CPU_SUBTYPE_SH5_101) || defined(CONFIG_CPU_SUBTYPE_SH5_103)
 	{
 		.port	= {
-			.iotype		= SERIAL_IO_MEM,
+			.iotype		= UPIO_MEM,
 			.irq		= 42,
 			.ops		= &sci_uart_ops,
-			.flags		= ASYNC_BOOT_AUTOCONF,
+			.flags		= UPF_BOOT_AUTOCONF,
 			.line		= 0,
 		},
 		.type		= PORT_SCIF,
@@ -1374,10 +1374,10 @@
 		.port	= {
 			.membase	= (void *)0x00ffffb0,
 			.mapbase	= 0x00ffffb0,
-			.iotype		= SERIAL_IO_MEM,
+			.iotype		= UPIO_MEM,
 			.irq		= 54,
 			.ops		= &sci_uart_ops,
-			.flags		= ASYNC_BOOT_AUTOCONF,
+			.flags		= UPF_BOOT_AUTOCONF,
 			.line		= 0,
 		},
 		.type		= PORT_SCI,
@@ -1388,10 +1388,10 @@
 		.port	= {
 			.membase	= (void *)0x00ffffb8,
 			.mapbase	= 0x00ffffb8,
-			.iotype		= SERIAL_IO_MEM,
+			.iotype		= UPIO_MEM,
 			.irq		= 58,
 			.ops		= &sci_uart_ops,
-			.flags		= ASYNC_BOOT_AUTOCONF,
+			.flags		= UPF_BOOT_AUTOCONF,
 			.line		= 1,
 		},
 		.type		= PORT_SCI,
@@ -1402,10 +1402,10 @@
 		.port	= {
 			.membase	= (void *)0x00ffffc0,
 			.mapbase	= 0x00ffffc0,
-			.iotype		= SERIAL_IO_MEM,
+			.iotype		= UPIO_MEM,
 			.irq		= 62,
 			.ops		= &sci_uart_ops,
-			.flags		= ASYNC_BOOT_AUTOCONF,
+			.flags		= UPF_BOOT_AUTOCONF,
 			.line		= 2,
 		},
 		.type		= PORT_SCI,
@@ -1417,10 +1417,10 @@
 		.port	= {
 			.membase	= (void *)0x00ffff78,
 			.mapbase	= 0x00ffff78,
-			.iotype		= SERIAL_IO_MEM,
+			.iotype		= UPIO_MEM,
 			.irq		= 90,
 			.ops		= &sci_uart_ops,
-			.flags		= ASYNC_BOOT_AUTOCONF,
+			.flags		= UPF_BOOT_AUTOCONF,
 			.line		= 0,
 		},
 		.type		= PORT_SCI,
@@ -1431,10 +1431,10 @@
 		.port	= {
 			.membase	= (void *)0x00ffff80,
 			.mapbase	= 0x00ffff80,
-			.iotype		= SERIAL_IO_MEM,
+			.iotype		= UPIO_MEM,
 			.irq		= 94,
 			.ops		= &sci_uart_ops,
-			.flags		= ASYNC_BOOT_AUTOCONF,
+			.flags		= UPF_BOOT_AUTOCONF,
 			.line		= 1,
 		},
 		.type		= PORT_SCI,
@@ -1445,10 +1445,10 @@
 		.port	= {
 			.membase	= (void *)0x00ffff88,
 			.mapbase	= 0x00ffff88,
-			.iotype		= SERIAL_IO_MEM,
+			.iotype		= UPIO_MEM,
 			.irq		= 98,
 			.ops		= &sci_uart_ops,
-			.flags		= ASYNC_BOOT_AUTOCONF,
+			.flags		= UPF_BOOT_AUTOCONF,
 			.line		= 2,
 		},
 		.type		= PORT_SCI,
diff --git a/drivers/serial/sunsu.c b/drivers/serial/sunsu.c
index 9a3665b..bc67442 100644
--- a/drivers/serial/sunsu.c
+++ b/drivers/serial/sunsu.c
@@ -669,7 +669,7 @@
 	 * if it is, then bail out, because there's likely no UART
 	 * here.
 	 */
-	if (!(up->port.flags & ASYNC_BUGGY_UART) &&
+	if (!(up->port.flags & UPF_BUGGY_UART) &&
 	    (serial_inp(up, UART_LSR) == 0xff)) {
 		printk("ttyS%d: LSR safety check engaged!\n", up->port.line);
 		return -ENODEV;
@@ -707,7 +707,7 @@
 	up->ier = UART_IER_RLSI | UART_IER_RDI;
 	serial_outp(up, UART_IER, up->ier);
 
-	if (up->port.flags & ASYNC_FOURPORT) {
+	if (up->port.flags & UPF_FOURPORT) {
 		unsigned int icp;
 		/*
 		 * Enable interrupts on the AST Fourport board
@@ -740,7 +740,7 @@
 	serial_outp(up, UART_IER, 0);
 
 	spin_lock_irqsave(&up->port.lock, flags);
-	if (up->port.flags & ASYNC_FOURPORT) {
+	if (up->port.flags & UPF_FOURPORT) {
 		/* reset interrupts on the AST Fourport board */
 		inb((up->port.iobase & 0xfe0) | 0x1f);
 		up->port.mctrl |= TIOCM_OUT1;
@@ -1132,7 +1132,7 @@
 
 	spin_lock_irqsave(&up->port.lock, flags);
 
-	if (!(up->port.flags & ASYNC_BUGGY_UART)) {
+	if (!(up->port.flags & UPF_BUGGY_UART)) {
 		/*
 		 * Do a simple existence test first; if we fail this, there's
 		 * no point trying anything else.
@@ -1170,7 +1170,7 @@
 	 * manufacturer would be stupid enough to design a board
 	 * that conflicts with COM 1-4 --- we hope!
 	 */
-	if (!(up->port.flags & ASYNC_SKIP_TEST)) {
+	if (!(up->port.flags & UPF_SKIP_TEST)) {
 		serial_outp(up, UART_MCR, UART_MCR_LOOP | 0x0A);
 		status1 = serial_inp(up, UART_MSR) & 0xF0;
 		serial_outp(up, UART_MCR, save_mcr);
@@ -1371,7 +1371,7 @@
 	} while ((status & BOTH_EMPTY) != BOTH_EMPTY);
 
 	/* Wait up to 1s for flow control if necessary */
-	if (up->port.flags & ASYNC_CONS_FLOW) {
+	if (up->port.flags & UPF_CONS_FLOW) {
 		tmout = 1000000;
 		while (--tmout &&
 		       ((serial_in(up, UART_MSR) & UART_MSR_CTS) == 0))
@@ -1513,7 +1513,7 @@
 		    up->su_type == SU_PORT_KBD)
 			continue;
 
-		up->port.flags |= ASYNC_BOOT_AUTOCONF;
+		up->port.flags |= UPF_BOOT_AUTOCONF;
 		up->port.type = PORT_UNKNOWN;
 		up->port.uartclk = (SU_BASE_BAUD * 16);