[ARM] 2866/1: add i.MX set_mctrl / get_mctrl functions

Patch from Sascha Hauer This patch adds support for setting and getting RTS / CTS via set_mtctrl / get_mctrl functions. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

[ARM] 2866/1: add i.MX set_mctrl / get_mctrl functions
Patch from Sascha Hauer This patch adds support for setting and getting RTS / CTS via set_mtctrl / get_mctrl functions. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Sascha Hauer · Russell King
1 parent b129a8ccd5
Showing 9 changed files with 24 additions and 223 deletions Side-by-side Diff
drivers/char/Kconfig
drivers/misc/Kconfig
drivers/net/Kconfig
drivers/serial/8250.c
drivers/serial/Kconfig
drivers/serial/imx.c
drivers/serial/serial_core.c
include/linux/serial.h
include/linux/serial_core.h
@@ -896,8 +896,8 @@
  
 config MWAVE
 	tristate "ACP Modem (Mwave) support"
-	depends on X86
-	select SERIAL_8250
+	depends on X86 && BROKEN
+	select SERIAL_8250 # PLEASE DO NOT DO THIS - move this driver to drivers/serial
 	---help---
 	  The ACP modem (Mwave) for Linux is a WinModem. It is composed of a
 	  kernel driver and a user level application. Together these components
@@ -6,7 +6,7 @@
  
 config IBM_ASM
 	tristate "Device driver for IBM RSA service processor"
-	depends on X86 && PCI && EXPERIMENTAL
+	depends on X86 && PCI && EXPERIMENTAL && BROKEN
 	---help---
 	  This option enables device driver support for in-band access to the
 	  IBM RSA (Condor) service processor in eServer xSeries systems.
@@ -447,7 +447,7 @@
  
 config SGI_IOC3_ETH
 	bool "SGI IOC3 Ethernet"
-	depends on NET_ETHERNET && PCI && SGI_IP27
+	depends on NET_ETHERNET && PCI && SGI_IP27 && BROKEN
 	select CRC32
 	select MII
 	help
@@ -2590,83 +2590,4 @@
 MODULE_PARM_DESC(probe_rsa, "Probe I/O ports for RSA");
 #endif
 MODULE_ALIAS_CHARDEV_MAJOR(TTY_MAJOR);
-
-/**
- *	register_serial - configure a 16x50 serial port at runtime
- *	@req: request structure
- *
- *	Configure the serial port specified by the request. If the
- *	port exists and is in use an error is returned. If the port
- *	is not currently in the table it is added.
- *
- *	The port is then probed and if necessary the IRQ is autodetected
- *	If this fails an error is returned.
- *
- *	On success the port is ready to use and the line number is returned.
- *
- *	Note: this function is deprecated - use serial8250_register_port
- *	instead.
- */
-int register_serial(struct serial_struct *req)
-{
-	struct uart_port port;
-
-	port.iobase   = req->port;
-	port.membase  = req->iomem_base;
-	port.irq      = req->irq;
-	port.uartclk  = req->baud_base * 16;
-	port.fifosize = req->xmit_fifo_size;
-	port.regshift = req->iomem_reg_shift;
-	port.iotype   = req->io_type;
-	port.flags    = req->flags | UPF_BOOT_AUTOCONF;
-	port.mapbase  = req->iomap_base;
-	port.dev      = NULL;
-
-	if (share_irqs)
-		port.flags |= UPF_SHARE_IRQ;
-
-	if (HIGH_BITS_OFFSET)
-		port.iobase |= (long) req->port_high << HIGH_BITS_OFFSET;
-
-	/*
-	 * If a clock rate wasn't specified by the low level driver, then
-	 * default to the standard clock rate.  This should be 115200 (*16)
-	 * and should not depend on the architecture's BASE_BAUD definition.
-	 * However, since this API will be deprecated, it's probably a
-	 * better idea to convert the drivers to use the new API
-	 * (serial8250_register_port and serial8250_unregister_port).
-	 */
-	if (port.uartclk == 0) {
-		printk(KERN_WARNING
-		       "Serial: registering port at [%08x,%08lx,%p] irq %d with zero baud_base\n",
-		       port.iobase, port.mapbase, port.membase, port.irq);
-		printk(KERN_WARNING "Serial: see %s:%d for more information\n",
-		       __FILE__, __LINE__);
-		dump_stack();
-
-		/*
-		 * Fix it up for now, but this is only a temporary measure.
-		 */
-		port.uartclk = BASE_BAUD * 16;
-	}
-
-	return serial8250_register_port(&port);
-}
-EXPORT_SYMBOL(register_serial);
-
-/**
- *	unregister_serial - remove a 16x50 serial port at runtime
- *	@line: serial line number
- *
- *	Remove one serial port.  This may not be called from interrupt
- *	context.  We hand the port back to our local PM control.
- *
- *	Note: this function is deprecated - use serial8250_unregister_port
- *	instead.
- */
-void unregister_serial(int line)
-{
-	serial8250_unregister_port(line);
-}
-EXPORT_SYMBOL(unregister_serial);
@@ -830,7 +830,7 @@
  
 config SERIAL_TXX9
 	bool "TMPTX39XX/49XX SIO support"
-	depends HAS_TXX9_SERIAL
+	depends HAS_TXX9_SERIAL && BROKEN
 	select SERIAL_CORE
 	default y
  
@@ -291,13 +291,31 @@
 	return USR2((u32)sport->port.membase) & USR2_TXDC ?  TIOCSER_TEMT : 0;
 }
  
+/*
+ * We have a modem side uart, so the meanings of RTS and CTS are inverted.
+ */
 static unsigned int imx_get_mctrl(struct uart_port *port)
 {
-	return TIOCM_CTS | TIOCM_DSR | TIOCM_CAR;
+        struct imx_port *sport = (struct imx_port *)port;
+        unsigned int tmp = TIOCM_DSR | TIOCM_CAR;
+
+        if (USR1((u32)sport->port.membase) & USR1_RTSS)
+                tmp |= TIOCM_CTS;
+
+        if (UCR2((u32)sport->port.membase) & UCR2_CTS)
+                tmp |= TIOCM_RTS;
+
+        return tmp;
 }
  
 static void imx_set_mctrl(struct uart_port *port, unsigned int mctrl)
 {
+        struct imx_port *sport = (struct imx_port *)port;
+
+        if (mctrl & TIOCM_RTS)
+                UCR2((u32)sport->port.membase) |= UCR2_CTS;
+        else
+                UCR2((u32)sport->port.membase) &= ~UCR2_CTS;
 }
  
 /*
@@ -2289,143 +2289,11 @@
 }
 EXPORT_SYMBOL(uart_match_port);
  
-/*
- *	Try to find an unused uart_state slot for a port.
- */
-static struct uart_state *
-uart_find_match_or_unused(struct uart_driver *drv, struct uart_port *port)
-{
-	int i;
-
-	/*
-	 * First, find a port entry which matches.  Note: if we do
-	 * find a matching entry, and it has a non-zero use count,
-	 * then we can't register the port.
-	 */
-	for (i = 0; i < drv->nr; i++)
-		if (uart_match_port(drv->state[i].port, port))
-			return &drv->state[i];
-
-	/*
-	 * We didn't find a matching entry, so look for the first
-	 * free entry.  We look for one which hasn't been previously
-	 * used (indicated by zero iobase).
-	 */
-	for (i = 0; i < drv->nr; i++)
-		if (drv->state[i].port->type == PORT_UNKNOWN &&
-		    drv->state[i].port->iobase == 0 &&
-		    drv->state[i].count == 0)
-			return &drv->state[i];
-
-	/*
-	 * That also failed.  Last resort is to find any currently
-	 * entry which doesn't have a real port associated with it.
-	 */
-	for (i = 0; i < drv->nr; i++)
-		if (drv->state[i].port->type == PORT_UNKNOWN &&
-		    drv->state[i].count == 0)
-			return &drv->state[i];
-
-	return NULL;
-}
-
-/**
- *	uart_register_port: register uart settings with a port
- *	@drv: pointer to the uart low level driver structure for this port
- *	@port: uart port structure describing the port
- *
- *	Register UART settings with the specified low level driver.  Detect
- *	the type of the port if UPF_BOOT_AUTOCONF is set, and detect the
- *	IRQ if UPF_AUTO_IRQ is set.
- *
- *	We try to pick the same port for the same IO base address, so that
- *	when a modem is plugged in, unplugged and plugged back in, it gets
- *	allocated the same port.
- *
- *	Returns negative error, or positive line number.
- */
-int uart_register_port(struct uart_driver *drv, struct uart_port *port)
-{
-	struct uart_state *state;
-	int ret;
-
-	down(&port_sem);
-
-	state = uart_find_match_or_unused(drv, port);
-
-	if (state) {
-		/*
-		 * Ok, we've found a line that we can use.
-		 *
-		 * If we find a port that matches this one, and it appears
-		 * to be in-use (even if it doesn't have a type) we shouldn't
-		 * alter it underneath itself - the port may be open and
-		 * trying to do useful work.
-		 */
-		if (uart_users(state) != 0) {
-			ret = -EBUSY;
-			goto out;
-		}
-
-		/*
-		 * If the port is already initialised, don't touch it.
-		 */
-		if (state->port->type == PORT_UNKNOWN) {
-			state->port->iobase   = port->iobase;
-			state->port->membase  = port->membase;
-			state->port->irq      = port->irq;
-			state->port->uartclk  = port->uartclk;
-			state->port->fifosize = port->fifosize;
-			state->port->regshift = port->regshift;
-			state->port->iotype   = port->iotype;
-			state->port->flags    = port->flags;
-			state->port->line     = state - drv->state;
-			state->port->mapbase  = port->mapbase;
-
-			uart_configure_port(drv, state, state->port);
-		}
-
-		ret = state->port->line;
-	} else
-		ret = -ENOSPC;
- out:
-	up(&port_sem);
-	return ret;
-}
-
-/**
- *	uart_unregister_port - de-allocate a port
- *	@drv: pointer to the uart low level driver structure for this port
- *	@line: line index previously returned from uart_register_port()
- *
- *	Hang up the specified line associated with the low level driver,
- *	and mark the port as unused.
- */
-void uart_unregister_port(struct uart_driver *drv, int line)
-{
-	struct uart_state *state;
-
-	if (line < 0 || line >= drv->nr) {
-		printk(KERN_ERR "Attempt to unregister ");
-		printk("%s%d", drv->dev_name, line);
-		printk("\n");
-		return;
-	}
-
-	state = drv->state + line;
-
-	down(&port_sem);
-	uart_unconfigure_port(drv, state);
-	up(&port_sem);
-}
-
 EXPORT_SYMBOL(uart_write_wakeup);
 EXPORT_SYMBOL(uart_register_driver);
 EXPORT_SYMBOL(uart_unregister_driver);
 EXPORT_SYMBOL(uart_suspend_port);
 EXPORT_SYMBOL(uart_resume_port);
-EXPORT_SYMBOL(uart_register_port);
-EXPORT_SYMBOL(uart_unregister_port);
 EXPORT_SYMBOL(uart_add_one_port);
 EXPORT_SYMBOL(uart_remove_one_port);
  
@@ -176,10 +176,6 @@
 #ifdef __KERNEL__
 #include <linux/compiler.h>
  
-/* Export to allow PCMCIA to use this - Dave Hinds */
-extern int __deprecated register_serial(struct serial_struct *req);
-extern void __deprecated unregister_serial(int line);
-
 /* Allow architectures to override entries in serial8250_ports[] at run time: */
 struct uart_port;	/* forward declaration */
 extern int early_serial_setup(struct uart_port *port);
@@ -360,8 +360,6 @@
  */
 int uart_register_driver(struct uart_driver *uart);
 void uart_unregister_driver(struct uart_driver *uart);
-void __deprecated uart_unregister_port(struct uart_driver *reg, int line);
-int __deprecated uart_register_port(struct uart_driver *reg, struct uart_port *port);
 int uart_add_one_port(struct uart_driver *reg, struct uart_port *port);
 int uart_remove_one_port(struct uart_driver *reg, struct uart_port *port);
 int uart_match_port(struct uart_port *port1, struct uart_port *port2);
...	...	@@ -896,8 +896,8 @@
896	896
897	897	config MWAVE
898	898	tristate "ACP Modem (Mwave) support"
899		- depends on X86
900		- select SERIAL_8250
	899	+ depends on X86 && BROKEN
	900	+ select SERIAL_8250 # PLEASE DO NOT DO THIS - move this driver to drivers/serial
901	901	---help---
902	902	The ACP modem (Mwave) for Linux is a WinModem. It is composed of a
903	903	kernel driver and a user level application. Together these components
...	...	@@ -6,7 +6,7 @@
6	6
7	7	config IBM_ASM
8	8	tristate "Device driver for IBM RSA service processor"
9		- depends on X86 && PCI && EXPERIMENTAL
	9	+ depends on X86 && PCI && EXPERIMENTAL && BROKEN
10	10	---help---
11	11	This option enables device driver support for in-band access to the
12	12	IBM RSA (Condor) service processor in eServer xSeries systems.
...	...	@@ -447,7 +447,7 @@
447	447
448	448	config SGI_IOC3_ETH
449	449	bool "SGI IOC3 Ethernet"
450		- depends on NET_ETHERNET && PCI && SGI_IP27
	450	+ depends on NET_ETHERNET && PCI && SGI_IP27 && BROKEN
451	451	select CRC32
452	452	select MII
453	453	help
...	...	@@ -2590,83 +2590,4 @@
2590	2590	MODULE_PARM_DESC(probe_rsa, "Probe I/O ports for RSA");
2591	2591	#endif
2592	2592	MODULE_ALIAS_CHARDEV_MAJOR(TTY_MAJOR);
2593		-
2594		-/**
2595		- * register_serial - configure a 16x50 serial port at runtime
2596		- * @req: request structure
2597		- *
2598		- * Configure the serial port specified by the request. If the
2599		- * port exists and is in use an error is returned. If the port
2600		- * is not currently in the table it is added.
2601		- *
2602		- * The port is then probed and if necessary the IRQ is autodetected
2603		- * If this fails an error is returned.
2604		- *
2605		- * On success the port is ready to use and the line number is returned.
2606		- *
2607		- * Note: this function is deprecated - use serial8250_register_port
2608		- * instead.
2609		- */
2610		-int register_serial(struct serial_struct *req)
2611		-{
2612		- struct uart_port port;
2613		-
2614		- port.iobase = req->port;
2615		- port.membase = req->iomem_base;
2616		- port.irq = req->irq;
2617		- port.uartclk = req->baud_base * 16;
2618		- port.fifosize = req->xmit_fifo_size;
2619		- port.regshift = req->iomem_reg_shift;
2620		- port.iotype = req->io_type;
2621		- port.flags = req->flags \| UPF_BOOT_AUTOCONF;
2622		- port.mapbase = req->iomap_base;
2623		- port.dev = NULL;
2624		-
2625		- if (share_irqs)
2626		- port.flags \|= UPF_SHARE_IRQ;
2627		-
2628		- if (HIGH_BITS_OFFSET)
2629		- port.iobase \|= (long) req->port_high << HIGH_BITS_OFFSET;
2630		-
2631		- /*
2632		- * If a clock rate wasn't specified by the low level driver, then
2633		- * default to the standard clock rate. This should be 115200 (*16)
2634		- * and should not depend on the architecture's BASE_BAUD definition.
2635		- * However, since this API will be deprecated, it's probably a
2636		- * better idea to convert the drivers to use the new API
2637		- * (serial8250_register_port and serial8250_unregister_port).
2638		- */
2639		- if (port.uartclk == 0) {
2640		- printk(KERN_WARNING
2641		- "Serial: registering port at [%08x,%08lx,%p] irq %d with zero baud_base\n",
2642		- port.iobase, port.mapbase, port.membase, port.irq);
2643		- printk(KERN_WARNING "Serial: see %s:%d for more information\n",
2644		- __FILE__, __LINE__);
2645		- dump_stack();
2646		-
2647		- /*
2648		- * Fix it up for now, but this is only a temporary measure.
2649		- */
2650		- port.uartclk = BASE_BAUD * 16;
2651		- }
2652		-
2653		- return serial8250_register_port(&port);
2654		-}
2655		-EXPORT_SYMBOL(register_serial);
2656		-
2657		-/**
2658		- * unregister_serial - remove a 16x50 serial port at runtime
2659		- * @line: serial line number
2660		- *
2661		- * Remove one serial port. This may not be called from interrupt
2662		- * context. We hand the port back to our local PM control.
2663		- *
2664		- * Note: this function is deprecated - use serial8250_unregister_port
2665		- * instead.
2666		- */
2667		-void unregister_serial(int line)
2668		-{
2669		- serial8250_unregister_port(line);
2670		-}
2671		-EXPORT_SYMBOL(unregister_serial);
...	...	@@ -830,7 +830,7 @@
830	830
831	831	config SERIAL_TXX9
832	832	bool "TMPTX39XX/49XX SIO support"
833		- depends HAS_TXX9_SERIAL
	833	+ depends HAS_TXX9_SERIAL && BROKEN
834	834	select SERIAL_CORE
835	835	default y
836	836
...	...	@@ -291,13 +291,31 @@
291	291	return USR2((u32)sport->port.membase) & USR2_TXDC ? TIOCSER_TEMT : 0;
292	292	}
293	293
	294	+/*
	295	+ * We have a modem side uart, so the meanings of RTS and CTS are inverted.
	296	+ */
294	297	static unsigned int imx_get_mctrl(struct uart_port *port)
295	298	{
296		- return TIOCM_CTS \| TIOCM_DSR \| TIOCM_CAR;
	299	+ struct imx_port sport = (struct imx_port )port;
	300	+ unsigned int tmp = TIOCM_DSR \| TIOCM_CAR;
	301	+
	302	+ if (USR1((u32)sport->port.membase) & USR1_RTSS)
	303	+ tmp \|= TIOCM_CTS;
	304	+
	305	+ if (UCR2((u32)sport->port.membase) & UCR2_CTS)
	306	+ tmp \|= TIOCM_RTS;
	307	+
	308	+ return tmp;
297	309	}
298	310
299	311	static void imx_set_mctrl(struct uart_port *port, unsigned int mctrl)
300	312	{
	313	+ struct imx_port sport = (struct imx_port )port;
	314	+
	315	+ if (mctrl & TIOCM_RTS)
	316	+ UCR2((u32)sport->port.membase) \|= UCR2_CTS;
	317	+ else
	318	+ UCR2((u32)sport->port.membase) &= ~UCR2_CTS;
301	319	}
302	320
303	321	/*
...	...	@@ -2289,143 +2289,11 @@
2289	2289	}
2290	2290	EXPORT_SYMBOL(uart_match_port);
2291	2291
2292		-/*
2293		- * Try to find an unused uart_state slot for a port.
2294		- */
2295		-static struct uart_state *
2296		-uart_find_match_or_unused(struct uart_driver drv, struct uart_port port)
2297		-{
2298		- int i;
2299		-
2300		- /*
2301		- * First, find a port entry which matches. Note: if we do
2302		- * find a matching entry, and it has a non-zero use count,
2303		- * then we can't register the port.
2304		- */
2305		- for (i = 0; i < drv->nr; i++)
2306		- if (uart_match_port(drv->state[i].port, port))
2307		- return &drv->state[i];
2308		-
2309		- /*
2310		- * We didn't find a matching entry, so look for the first
2311		- * free entry. We look for one which hasn't been previously
2312		- * used (indicated by zero iobase).
2313		- */
2314		- for (i = 0; i < drv->nr; i++)
2315		- if (drv->state[i].port->type == PORT_UNKNOWN &&
2316		- drv->state[i].port->iobase == 0 &&
2317		- drv->state[i].count == 0)
2318		- return &drv->state[i];
2319		-
2320		- /*
2321		- * That also failed. Last resort is to find any currently
2322		- * entry which doesn't have a real port associated with it.
2323		- */
2324		- for (i = 0; i < drv->nr; i++)
2325		- if (drv->state[i].port->type == PORT_UNKNOWN &&
2326		- drv->state[i].count == 0)
2327		- return &drv->state[i];
2328		-
2329		- return NULL;
2330		-}
2331		-
2332		-/**
2333		- * uart_register_port: register uart settings with a port
2334		- * @drv: pointer to the uart low level driver structure for this port
2335		- * @port: uart port structure describing the port
2336		- *
2337		- * Register UART settings with the specified low level driver. Detect
2338		- * the type of the port if UPF_BOOT_AUTOCONF is set, and detect the
2339		- * IRQ if UPF_AUTO_IRQ is set.
2340		- *
2341		- * We try to pick the same port for the same IO base address, so that
2342		- * when a modem is plugged in, unplugged and plugged back in, it gets
2343		- * allocated the same port.
2344		- *
2345		- * Returns negative error, or positive line number.
2346		- */
2347		-int uart_register_port(struct uart_driver drv, struct uart_port port)
2348		-{
2349		- struct uart_state *state;
2350		- int ret;
2351		-
2352		- down(&port_sem);
2353		-
2354		- state = uart_find_match_or_unused(drv, port);
2355		-
2356		- if (state) {
2357		- /*
2358		- * Ok, we've found a line that we can use.
2359		- *
2360		- * If we find a port that matches this one, and it appears
2361		- * to be in-use (even if it doesn't have a type) we shouldn't
2362		- * alter it underneath itself - the port may be open and
2363		- * trying to do useful work.
2364		- */
2365		- if (uart_users(state) != 0) {
2366		- ret = -EBUSY;
2367		- goto out;
2368		- }
2369		-
2370		- /*
2371		- * If the port is already initialised, don't touch it.
2372		- */
2373		- if (state->port->type == PORT_UNKNOWN) {
2374		- state->port->iobase = port->iobase;
2375		- state->port->membase = port->membase;
2376		- state->port->irq = port->irq;
2377		- state->port->uartclk = port->uartclk;
2378		- state->port->fifosize = port->fifosize;
2379		- state->port->regshift = port->regshift;
2380		- state->port->iotype = port->iotype;
2381		- state->port->flags = port->flags;
2382		- state->port->line = state - drv->state;
2383		- state->port->mapbase = port->mapbase;
2384		-
2385		- uart_configure_port(drv, state, state->port);
2386		- }
2387		-
2388		- ret = state->port->line;
2389		- } else
2390		- ret = -ENOSPC;
2391		- out:
2392		- up(&port_sem);
2393		- return ret;
2394		-}
2395		-
2396		-/**
2397		- * uart_unregister_port - de-allocate a port
2398		- * @drv: pointer to the uart low level driver structure for this port
2399		- * @line: line index previously returned from uart_register_port()
2400		- *
2401		- * Hang up the specified line associated with the low level driver,
2402		- * and mark the port as unused.
2403		- */
2404		-void uart_unregister_port(struct uart_driver *drv, int line)
2405		-{
2406		- struct uart_state *state;
2407		-
2408		- if (line < 0 \|\| line >= drv->nr) {
2409		- printk(KERN_ERR "Attempt to unregister ");
2410		- printk("%s%d", drv->dev_name, line);
2411		- printk("\n");
2412		- return;
2413		- }
2414		-
2415		- state = drv->state + line;
2416		-
2417		- down(&port_sem);
2418		- uart_unconfigure_port(drv, state);
2419		- up(&port_sem);
2420		-}
2421		-
2422	2292	EXPORT_SYMBOL(uart_write_wakeup);
2423	2293	EXPORT_SYMBOL(uart_register_driver);
2424	2294	EXPORT_SYMBOL(uart_unregister_driver);
2425	2295	EXPORT_SYMBOL(uart_suspend_port);
2426	2296	EXPORT_SYMBOL(uart_resume_port);
2427		-EXPORT_SYMBOL(uart_register_port);
2428		-EXPORT_SYMBOL(uart_unregister_port);
2429	2297	EXPORT_SYMBOL(uart_add_one_port);
2430	2298	EXPORT_SYMBOL(uart_remove_one_port);
2431	2299
...	...	@@ -176,10 +176,6 @@
176	176	#ifdef __KERNEL__
177	177	#include <linux/compiler.h>
178	178
179		-/* Export to allow PCMCIA to use this - Dave Hinds */
180		-extern int __deprecated register_serial(struct serial_struct *req);
181		-extern void __deprecated unregister_serial(int line);
182		-
183	179	/* Allow architectures to override entries in serial8250_ports[] at run time: */
184	180	struct uart_port; /* forward declaration */
185	181	extern int early_serial_setup(struct uart_port *port);
...	...	@@ -360,8 +360,6 @@
360	360	*/
361	361	int uart_register_driver(struct uart_driver *uart);
362	362	void uart_unregister_driver(struct uart_driver *uart);
363		-void __deprecated uart_unregister_port(struct uart_driver *reg, int line);
364		-int __deprecated uart_register_port(struct uart_driver reg, struct uart_port port);
365	363	int uart_add_one_port(struct uart_driver reg, struct uart_port port);
366	364	int uart_remove_one_port(struct uart_driver reg, struct uart_port port);
367	365	int uart_match_port(struct uart_port port1, struct uart_port port2);