Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: (230 commits)
  [SPARC64]: Update defconfig.
  [SPARC64]: Fix 2 bugs in huge page support.
  [SPARC64]: CONFIG_BLK_DEV_RAM fix
  [SPARC64]: Optimized TSB table initialization.
  [SPARC64]: Allow CONFIG_MEMORY_HOTPLUG to build.
  [SPARC64]: Use SLAB caches for TSB tables.
  [SPARC64]: Don't kill the page allocator when growing a TSB.
  [SPARC64]: Randomize mm->mmap_base when PF_RANDOMIZE is set.
  [SPARC64]: Increase top of 32-bit process stack.
  [SPARC64]: Top-down address space allocation for 32-bit tasks.
  [SPARC64] bbc_i2c: Fix cpu check and add missing module license.
  [SPARC64]: Fix and re-enable dynamic TSB sizing.
  [SUNSU]: Fix missing spinlock initialization.
  [TG3]: Do not try to access NIC_SRAM_DATA_SIG on Sun parts.
  [SPARC64]: First cut at VIS simulator for Niagara.
  [SPARC64]: Fix system type in /proc/cpuinfo and remove bogus OBP check.
  [SPARC64]: Add SMT scheduling support for Niagara.
  [SPARC64]: Fix 32-bit truncation which broke sparsemem.
  [SPARC64]: Move over to sparsemem.
  [SPARC64]: Fix new context version SMP handling.
  ...

8 files changed, 619 insertions, 27 deletions

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index bd49b25..6c6c549 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -9097,6 +9097,10 @@ static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
 	tp->phy_id = PHY_ID_INVALID;
 	tp->led_ctrl = LED_CTRL_MODE_PHY_1;
 
+	/* Do not even try poking around in here on Sun parts.  */
+	if (tp->tg3_flags2 & TG3_FLG2_SUN_570X)
+		return;
+
 	tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
 	if (val == NIC_SRAM_DATA_SIG_MAGIC) {
 		u32 nic_cfg, led_cfg;
diff --git a/drivers/sbus/char/bbc_i2c.c b/drivers/sbus/char/bbc_i2c.c
index 1c8b612..3e156e0 100644
--- a/drivers/sbus/char/bbc_i2c.c
+++ b/drivers/sbus/char/bbc_i2c.c
@@ -440,7 +440,8 @@ static int __init bbc_i2c_init(void)
 	struct linux_ebus_device *edev = NULL;
 	int err, index = 0;
 
-	if (tlb_type != cheetah || !bbc_present())
+	if ((tlb_type != cheetah && tlb_type != cheetah_plus) ||
+	    !bbc_present())
 		return -ENODEV;
 
 	for_each_ebus(ebus) {
@@ -486,3 +487,4 @@ static void bbc_i2c_cleanup(void)
 
 module_init(bbc_i2c_init);
 module_exit(bbc_i2c_cleanup);
+MODULE_LICENSE("GPL");
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index b3c561a..89e5413 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -582,6 +582,13 @@ config SERIAL_SUNSAB_CONSOLE
 	  on your Sparc system as the console, you can do so by answering
 	  Y to this option.
 
+config SERIAL_SUNHV
+	bool "Sun4v Hypervisor Console support"
+	depends on SPARC64
+	help
+	  This driver supports the console device found on SUN4V Sparc
+	  systems.  Say Y if you want to be able to use this device.
+
 config SERIAL_IP22_ZILOG
 	tristate "IP22 Zilog8530 serial support"
 	depends on SGI_IP22
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index eaf8e01..50c221a 100644
--- a/drivers/serial/Makefile
+++ b/drivers/serial/Makefile
@@ -30,6 +30,7 @@ obj-$(CONFIG_SERIAL_PXA) += pxa.o
 obj-$(CONFIG_SERIAL_SA1100) += sa1100.o
 obj-$(CONFIG_SERIAL_S3C2410) += s3c2410.o
 obj-$(CONFIG_SERIAL_SUNCORE) += suncore.o
+obj-$(CONFIG_SERIAL_SUNHV) += sunhv.o
 obj-$(CONFIG_SERIAL_SUNZILOG) += sunzilog.o
 obj-$(CONFIG_SERIAL_IP22_ZILOG) += ip22zilog.o
 obj-$(CONFIG_SERIAL_SUNSU) += sunsu.o
diff --git a/drivers/serial/sunhv.c b/drivers/serial/sunhv.c
new file mode 100644
index 0000000..f137804
--- /dev/null
+++ b/drivers/serial/sunhv.c
@@ -0,0 +1,550 @@
+/* sunhv.c: Serial driver for SUN4V hypervisor console.
+ *
+ * Copyright (C) 2006 David S. Miller (davem@davemloft.net)
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/tty.h>
+#include <linux/tty_flip.h>
+#include <linux/major.h>
+#include <linux/circ_buf.h>
+#include <linux/serial.h>
+#include <linux/sysrq.h>
+#include <linux/console.h>
+#include <linux/spinlock.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/init.h>
+
+#include <asm/hypervisor.h>
+#include <asm/spitfire.h>
+#include <asm/vdev.h>
+#include <asm/oplib.h>
+#include <asm/irq.h>
+
+#if defined(CONFIG_MAGIC_SYSRQ)
+#define SUPPORT_SYSRQ
+#endif
+
+#include <linux/serial_core.h>
+
+#include "suncore.h"
+
+#define CON_BREAK	((long)-1)
+#define CON_HUP		((long)-2)
+
+static inline long hypervisor_con_getchar(long *status)
+{
+	register unsigned long func asm("%o5");
+	register unsigned long arg0 asm("%o0");
+	register unsigned long arg1 asm("%o1");
+
+	func = HV_FAST_CONS_GETCHAR;
+	arg0 = 0;
+	arg1 = 0;
+	__asm__ __volatile__("ta	%6"
+			     : "=&r" (func), "=&r" (arg0), "=&r" (arg1)
+			     : "0" (func), "1" (arg0), "2" (arg1),
+			       "i" (HV_FAST_TRAP));
+
+	*status = arg0;
+
+	return (long) arg1;
+}
+
+static inline long hypervisor_con_putchar(long ch)
+{
+	register unsigned long func asm("%o5");
+	register unsigned long arg0 asm("%o0");
+
+	func = HV_FAST_CONS_PUTCHAR;
+	arg0 = ch;
+	__asm__ __volatile__("ta	%4"
+			     : "=&r" (func), "=&r" (arg0)
+			     : "0" (func), "1" (arg0), "i" (HV_FAST_TRAP));
+
+	return (long) arg0;
+}
+
+#define IGNORE_BREAK	0x1
+#define IGNORE_ALL	0x2
+
+static int hung_up = 0;
+
+static struct tty_struct *receive_chars(struct uart_port *port, struct pt_regs *regs)
+{
+	struct tty_struct *tty = NULL;
+	int saw_console_brk = 0;
+	int limit = 10000;
+
+	if (port->info != NULL)		/* Unopened serial console */
+		tty = port->info->tty;
+
+	while (limit-- > 0) {
+		long status;
+		long c = hypervisor_con_getchar(&status);
+		unsigned char flag;
+
+		if (status == HV_EWOULDBLOCK)
+			break;
+
+		if (c == CON_BREAK) {
+			if (uart_handle_break(port))
+				continue;
+			saw_console_brk = 1;
+			c = 0;
+		}
+
+		if (c == CON_HUP) {
+			hung_up = 1;
+			uart_handle_dcd_change(port, 0);
+		} else if (hung_up) {
+			hung_up = 0;
+			uart_handle_dcd_change(port, 1);
+		}
+
+		if (tty == NULL) {
+			uart_handle_sysrq_char(port, c, regs);
+			continue;
+		}
+
+		flag = TTY_NORMAL;
+		port->icount.rx++;
+		if (c == CON_BREAK) {
+			port->icount.brk++;
+			if (uart_handle_break(port))
+				continue;
+			flag = TTY_BREAK;
+		}
+
+		if (uart_handle_sysrq_char(port, c, regs))
+			continue;
+
+		if ((port->ignore_status_mask & IGNORE_ALL) ||
+		    ((port->ignore_status_mask & IGNORE_BREAK) &&
+		     (c == CON_BREAK)))
+			continue;
+
+		tty_insert_flip_char(tty, c, flag);
+	}
+
+	if (saw_console_brk)
+		sun_do_break();
+
+	return tty;
+}
+
+static void transmit_chars(struct uart_port *port)
+{
+	struct circ_buf *xmit;
+
+	if (!port->info)
+		return;
+
+	xmit = &port->info->xmit;
+	if (uart_circ_empty(xmit) || uart_tx_stopped(port))
+		return;
+
+	while (!uart_circ_empty(xmit)) {
+		long status = hypervisor_con_putchar(xmit->buf[xmit->tail]);
+
+		if (status != HV_EOK)
+			break;
+
+		xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
+		port->icount.tx++;
+	}
+
+	if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
+		uart_write_wakeup(port);
+}
+
+static irqreturn_t sunhv_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+{
+	struct uart_port *port = dev_id;
+	struct tty_struct *tty;
+	unsigned long flags;
+
+	spin_lock_irqsave(&port->lock, flags);
+	tty = receive_chars(port, regs);
+	transmit_chars(port);
+	spin_unlock_irqrestore(&port->lock, flags);
+
+	if (tty)
+		tty_flip_buffer_push(tty);
+
+	return IRQ_HANDLED;
+}
+
+/* port->lock is not held.  */
+static unsigned int sunhv_tx_empty(struct uart_port *port)
+{
+	/* Transmitter is always empty for us.  If the circ buffer
+	 * is non-empty or there is an x_char pending, our caller
+	 * will do the right thing and ignore what we return here.
+	 */
+	return TIOCSER_TEMT;
+}
+
+/* port->lock held by caller.  */
+static void sunhv_set_mctrl(struct uart_port *port, unsigned int mctrl)
+{
+	return;
+}
+
+/* port->lock is held by caller and interrupts are disabled.  */
+static unsigned int sunhv_get_mctrl(struct uart_port *port)
+{
+	return TIOCM_DSR | TIOCM_CAR | TIOCM_CTS;
+}
+
+/* port->lock held by caller.  */
+static void sunhv_stop_tx(struct uart_port *port)
+{
+	return;
+}
+
+/* port->lock held by caller.  */
+static void sunhv_start_tx(struct uart_port *port)
+{
+	struct circ_buf *xmit = &port->info->xmit;
+
+	while (!uart_circ_empty(xmit)) {
+		long status = hypervisor_con_putchar(xmit->buf[xmit->tail]);
+
+		if (status != HV_EOK)
+			break;
+
+		xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
+		port->icount.tx++;
+	}
+}
+
+/* port->lock is not held.  */
+static void sunhv_send_xchar(struct uart_port *port, char ch)
+{
+	unsigned long flags;
+	int limit = 10000;
+
+	spin_lock_irqsave(&port->lock, flags);
+
+	while (limit-- > 0) {
+		long status = hypervisor_con_putchar(ch);
+		if (status == HV_EOK)
+			break;
+	}
+
+	spin_unlock_irqrestore(&port->lock, flags);
+}
+
+/* port->lock held by caller.  */
+static void sunhv_stop_rx(struct uart_port *port)
+{
+}
+
+/* port->lock held by caller.  */
+static void sunhv_enable_ms(struct uart_port *port)
+{
+}
+
+/* port->lock is not held.  */
+static void sunhv_break_ctl(struct uart_port *port, int break_state)
+{
+	if (break_state) {
+		unsigned long flags;
+		int limit = 1000000;
+
+		spin_lock_irqsave(&port->lock, flags);
+
+		while (limit-- > 0) {
+			long status = hypervisor_con_putchar(CON_BREAK);
+			if (status == HV_EOK)
+				break;
+			udelay(2);
+		}
+
+		spin_unlock_irqrestore(&port->lock, flags);
+	}
+}
+
+/* port->lock is not held.  */
+static int sunhv_startup(struct uart_port *port)
+{
+	return 0;
+}
+
+/* port->lock is not held.  */
+static void sunhv_shutdown(struct uart_port *port)
+{
+}
+
+/* port->lock is not held.  */
+static void sunhv_set_termios(struct uart_port *port, struct termios *termios,
+			      struct termios *old)
+{
+	unsigned int baud = uart_get_baud_rate(port, termios, old, 0, 4000000);
+	unsigned int quot = uart_get_divisor(port, baud);
+	unsigned int iflag, cflag;
+	unsigned long flags;
+
+	spin_lock_irqsave(&port->lock, flags);
+
+	iflag = termios->c_iflag;
+	cflag = termios->c_cflag;
+
+	port->ignore_status_mask = 0;
+	if (iflag & IGNBRK)
+		port->ignore_status_mask |= IGNORE_BREAK;
+	if ((cflag & CREAD) == 0)
+		port->ignore_status_mask |= IGNORE_ALL;
+
+	/* XXX */
+	uart_update_timeout(port, cflag,
+			    (port->uartclk / (16 * quot)));
+
+	spin_unlock_irqrestore(&port->lock, flags);
+}
+
+static const char *sunhv_type(struct uart_port *port)
+{
+	return "SUN4V HCONS";
+}
+
+static void sunhv_release_port(struct uart_port *port)
+{
+}
+
+static int sunhv_request_port(struct uart_port *port)
+{
+	return 0;
+}
+
+static void sunhv_config_port(struct uart_port *port, int flags)
+{
+}
+
+static int sunhv_verify_port(struct uart_port *port, struct serial_struct *ser)
+{
+	return -EINVAL;
+}
+
+static struct uart_ops sunhv_pops = {
+	.tx_empty	= sunhv_tx_empty,
+	.set_mctrl	= sunhv_set_mctrl,
+	.get_mctrl	= sunhv_get_mctrl,
+	.stop_tx	= sunhv_stop_tx,
+	.start_tx	= sunhv_start_tx,
+	.send_xchar	= sunhv_send_xchar,
+	.stop_rx	= sunhv_stop_rx,
+	.enable_ms	= sunhv_enable_ms,
+	.break_ctl	= sunhv_break_ctl,
+	.startup	= sunhv_startup,
+	.shutdown	= sunhv_shutdown,
+	.set_termios	= sunhv_set_termios,
+	.type		= sunhv_type,
+	.release_port	= sunhv_release_port,
+	.request_port	= sunhv_request_port,
+	.config_port	= sunhv_config_port,
+	.verify_port	= sunhv_verify_port,
+};
+
+static struct uart_driver sunhv_reg = {
+	.owner			= THIS_MODULE,
+	.driver_name		= "serial",
+	.devfs_name		= "tts/",
+	.dev_name		= "ttyS",
+	.major			= TTY_MAJOR,
+};
+
+static struct uart_port *sunhv_port;
+
+static inline void sunhv_console_putchar(struct uart_port *port, char c)
+{
+	unsigned long flags;
+	int limit = 1000000;
+
+	spin_lock_irqsave(&port->lock, flags);
+
+	while (limit-- > 0) {
+		long status = hypervisor_con_putchar(c);
+		if (status == HV_EOK)
+			break;
+		udelay(2);
+	}
+
+	spin_unlock_irqrestore(&port->lock, flags);
+}
+
+static void sunhv_console_write(struct console *con, const char *s, unsigned n)
+{
+	struct uart_port *port = sunhv_port;
+	int i;
+
+	for (i = 0; i < n; i++) {
+		if (*s == '\n')
+			sunhv_console_putchar(port, '\r');
+		sunhv_console_putchar(port, *s++);
+	}
+}
+
+static struct console sunhv_console = {
+	.name	=	"ttyHV",
+	.write	=	sunhv_console_write,
+	.device	=	uart_console_device,
+	.flags	=	CON_PRINTBUFFER,
+	.index	=	-1,
+	.data	=	&sunhv_reg,
+};
+
+static inline struct console *SUNHV_CONSOLE(void)
+{
+	if (con_is_present())
+		return NULL;
+
+	sunhv_console.index = 0;
+
+	return &sunhv_console;
+}
+
+static int __init hv_console_compatible(char *buf, int len)
+{
+	while (len) {
+		int this_len;
+
+		if (!strcmp(buf, "qcn"))
+			return 1;
+
+		this_len = strlen(buf) + 1;
+
+		buf += this_len;
+		len -= this_len;
+	}
+
+	return 0;
+}
+
+static unsigned int __init get_interrupt(void)
+{
+	const char *cons_str = "console";
+	const char *compat_str = "compatible";
+	int node = prom_getchild(sun4v_vdev_root);
+	char buf[64];
+	int err, len;
+
+	node = prom_searchsiblings(node, cons_str);
+	if (!node)
+		return 0;
+
+	len = prom_getproplen(node, compat_str);
+	if (len == 0 || len == -1)
+		return 0;
+
+	err = prom_getproperty(node, compat_str, buf, 64);
+	if (err == -1)
+		return 0;
+
+	if (!hv_console_compatible(buf, len))
+		return 0;
+
+	/* Ok, the this is the OBP node for the sun4v hypervisor
+	 * console device.  Decode the interrupt.
+	 */
+	return sun4v_vdev_device_interrupt(node);
+}
+
+static int __init sunhv_init(void)
+{
+	struct uart_port *port;
+	int ret;
+
+	if (tlb_type != hypervisor)
+		return -ENODEV;
+
+	port = kmalloc(sizeof(struct uart_port), GFP_KERNEL);
+	if (unlikely(!port))
+		return -ENOMEM;
+
+	memset(port, 0, sizeof(struct uart_port));
+
+	port->line = 0;
+	port->ops = &sunhv_pops;
+	port->type = PORT_SUNHV;
+	port->uartclk = ( 29491200 / 16 ); /* arbitrary */
+
+	/* Set this just to make uart_configure_port() happy.  */
+	port->membase = (unsigned char __iomem *) __pa(port);
+
+	port->irq = get_interrupt();
+	if (!port->irq) {
+		kfree(port);
+		return -ENODEV;
+	}
+
+	sunhv_reg.minor = sunserial_current_minor;
+	sunhv_reg.nr = 1;
+
+	ret = uart_register_driver(&sunhv_reg);
+	if (ret < 0) {
+		printk(KERN_ERR "SUNHV: uart_register_driver() failed %d\n",
+		       ret);
+		kfree(port);
+
+		return ret;
+	}
+
+	sunhv_reg.tty_driver->name_base = sunhv_reg.minor - 64;
+	sunserial_current_minor += 1;
+
+	sunhv_reg.cons = SUNHV_CONSOLE();
+
+	sunhv_port = port;
+
+	ret = uart_add_one_port(&sunhv_reg, port);
+	if (ret < 0) {
+		printk(KERN_ERR "SUNHV: uart_add_one_port() failed %d\n", ret);
+		sunserial_current_minor -= 1;
+		uart_unregister_driver(&sunhv_reg);
+		kfree(port);
+		sunhv_port = NULL;
+		return -ENODEV;
+	}
+
+	if (request_irq(port->irq, sunhv_interrupt,
+			SA_SHIRQ, "serial(sunhv)", port)) {
+		printk(KERN_ERR "sunhv: Cannot register IRQ\n");
+		uart_remove_one_port(&sunhv_reg, port);
+		sunserial_current_minor -= 1;
+		uart_unregister_driver(&sunhv_reg);
+		kfree(port);
+		sunhv_port = NULL;
+		return -ENODEV;
+	}
+
+	return 0;
+}
+
+static void __exit sunhv_exit(void)
+{
+	struct uart_port *port = sunhv_port;
+
+	BUG_ON(!port);
+
+	free_irq(port->irq, port);
+
+	uart_remove_one_port(&sunhv_reg, port);
+	sunserial_current_minor -= 1;
+
+	uart_unregister_driver(&sunhv_reg);
+
+	kfree(sunhv_port);
+	sunhv_port = NULL;
+}
+
+module_init(sunhv_init);
+module_exit(sunhv_exit);
+
+MODULE_AUTHOR("David S. Miller");
+MODULE_DESCRIPTION("SUN4V Hypervisor console driver")
+MODULE_LICENSE("GPL");
diff --git a/drivers/serial/sunsab.c b/drivers/serial/sunsab.c
index 8566422..a2fb0c2 100644
--- a/drivers/serial/sunsab.c
+++ b/drivers/serial/sunsab.c
@@ -955,14 +955,13 @@ static struct console sunsab_console = {
 	.index	=	-1,
 	.data	=	&sunsab_reg,
 };
-#define SUNSAB_CONSOLE	(&sunsab_console)
 
-static void __init sunsab_console_init(void)
+static inline struct console *SUNSAB_CONSOLE(void)
 {
 	int i;
 
 	if (con_is_present())
-		return;
+		return NULL;
 
 	for (i = 0; i < num_channels; i++) {
 		int this_minor = sunsab_reg.minor + i;
@@ -971,13 +970,14 @@ static void __init sunsab_console_init(void)
 			break;
 	}
 	if (i == num_channels)
-		return;
+		return NULL;
 
 	sunsab_console.index = i;
-	register_console(&sunsab_console);
+
+	return &sunsab_console;
 }
 #else
-#define SUNSAB_CONSOLE		(NULL)
+#define SUNSAB_CONSOLE()	(NULL)
 #define sunsab_console_init()	do { } while (0)
 #endif
 
@@ -1124,7 +1124,6 @@ static int __init sunsab_init(void)
 
 	sunsab_reg.minor = sunserial_current_minor;
 	sunsab_reg.nr = num_channels;
-	sunsab_reg.cons = SUNSAB_CONSOLE;
 
 	ret = uart_register_driver(&sunsab_reg);
 	if (ret < 0) {
@@ -1143,10 +1142,12 @@ static int __init sunsab_init(void)
 		return ret;
 	}
 
+	sunsab_reg.tty_driver->name_base = sunsab_reg.minor - 64;
+
+	sunsab_reg.cons = SUNSAB_CONSOLE();
+
 	sunserial_current_minor += num_channels;
 	
-	sunsab_console_init();
-
 	for (i = 0; i < num_channels; i++) {
 		struct uart_sunsab_port *up = &sunsab_ports[i];
 
diff --git a/drivers/serial/sunsu.c b/drivers/serial/sunsu.c
index 4e453fa..46c44b8 100644
--- a/drivers/serial/sunsu.c
+++ b/drivers/serial/sunsu.c
@@ -1280,6 +1280,7 @@ static int __init sunsu_kbd_ms_init(struct uart_sunsu_port *up, int channel)
 	struct serio *serio;
 #endif
 
+	spin_lock_init(&up->port.lock);
 	up->port.line = channel;
 	up->port.type = PORT_UNKNOWN;
 	up->port.uartclk = (SU_BASE_BAUD * 16);
@@ -1464,18 +1465,17 @@ static struct console sunsu_cons = {
 	.index	=	-1,
 	.data	=	&sunsu_reg,
 };
-#define SUNSU_CONSOLE	(&sunsu_cons)
 
 /*
  *	Register console.
  */
 
-static int __init sunsu_serial_console_init(void)
+static inline struct console *SUNSU_CONSOLE(void)
 {
 	int i;
 
 	if (con_is_present())
-		return 0;
+		return NULL;
 
 	for (i = 0; i < UART_NR; i++) {
 		int this_minor = sunsu_reg.minor + i;
@@ -1484,16 +1484,16 @@ static int __init sunsu_serial_console_init(void)
 			break;
 	}
 	if (i == UART_NR)
-		return 0;
+		return NULL;
 	if (sunsu_ports[i].port_node == 0)
-		return 0;
+		return NULL;
 
 	sunsu_cons.index = i;
-	register_console(&sunsu_cons);
-	return 0;
+
+	return &sunsu_cons;
 }
 #else
-#define SUNSU_CONSOLE			(NULL)
+#define SUNSU_CONSOLE()			(NULL)
 #define sunsu_serial_console_init()	do { } while (0)
 #endif
 
@@ -1510,6 +1510,7 @@ static int __init sunsu_serial_init(void)
 		    up->su_type == SU_PORT_KBD)
 			continue;
 
+		spin_lock_init(&up->port.lock);
 		up->port.flags |= UPF_BOOT_AUTOCONF;
 		up->port.type = PORT_UNKNOWN;
 		up->port.uartclk = (SU_BASE_BAUD * 16);
@@ -1523,16 +1524,19 @@ static int __init sunsu_serial_init(void)
 	}
 
 	sunsu_reg.minor = sunserial_current_minor;
-	sunserial_current_minor += instance;
 
 	sunsu_reg.nr = instance;
-	sunsu_reg.cons = SUNSU_CONSOLE;
 
 	ret = uart_register_driver(&sunsu_reg);
 	if (ret < 0)
 		return ret;
 
-	sunsu_serial_console_init();
+	sunsu_reg.tty_driver->name_base = sunsu_reg.minor - 64;
+
+	sunserial_current_minor += instance;
+
+	sunsu_reg.cons = SUNSU_CONSOLE();
+
 	for (i = 0; i < UART_NR; i++) {
 		struct uart_sunsu_port *up = &sunsu_ports[i];
 
diff --git a/drivers/serial/sunzilog.c b/drivers/serial/sunzilog.c
index 5cc4d4c..10b35c6 100644
--- a/drivers/serial/sunzilog.c
+++ b/drivers/serial/sunzilog.c
@@ -1390,7 +1390,6 @@ static struct console sunzilog_console = {
 	.index	=	-1,
 	.data   =	&sunzilog_reg,
 };
-#define SUNZILOG_CONSOLE	(&sunzilog_console)
 
 static int __init sunzilog_console_init(void)
 {
@@ -1413,8 +1412,31 @@ static int __init sunzilog_console_init(void)
 	register_console(&sunzilog_console);
 	return 0;
 }
+
+static inline struct console *SUNZILOG_CONSOLE(void)
+{
+	int i;
+
+	if (con_is_present())
+		return NULL;
+
+	for (i = 0; i < NUM_CHANNELS; i++) {
+		int this_minor = sunzilog_reg.minor + i;
+
+		if ((this_minor - 64) == (serial_console - 1))
+			break;
+	}
+	if (i == NUM_CHANNELS)
+		return NULL;
+
+	sunzilog_console.index = i;
+	sunzilog_port_table[i].flags |= SUNZILOG_FLAG_IS_CONS;
+
+	return &sunzilog_console;
+}
+
 #else
-#define SUNZILOG_CONSOLE	(NULL)
+#define SUNZILOG_CONSOLE()	(NULL)
 #define sunzilog_console_init() do { } while (0)
 #endif
 
@@ -1666,14 +1688,15 @@ static int __init sunzilog_ports_init(void)
 	}
 		
 	sunzilog_reg.nr = uart_count;
-	sunzilog_reg.cons = SUNZILOG_CONSOLE;
-
 	sunzilog_reg.minor = sunserial_current_minor;
-	sunserial_current_minor += uart_count;
 
 	ret = uart_register_driver(&sunzilog_reg);
 	if (ret == 0) {
-		sunzilog_console_init();
+		sunzilog_reg.tty_driver->name_base = sunzilog_reg.minor - 64;
+		sunzilog_reg.cons = SUNZILOG_CONSOLE();
+
+		sunserial_current_minor += uart_count;
+
 		for (i = 0; i < NUM_CHANNELS; i++) {
 			struct uart_sunzilog_port *up = &sunzilog_port_table[i];