ACPI: restore CONFIG_ACPI_SLEEP

[linux-2.6] / drivers / serial / sunsab.c

diff --git a/drivers/serial/sunsab.c b/drivers/serial/sunsab.c
index 145d6236954b4d67b5618e318f3d8c6a2a0f3e0a..bca57bb949393275c902f5f31e35e1abe9527d1a 100644 (file)
--- a/drivers/serial/sunsab.c
+++ b/drivers/serial/sunsab.c
@@ -17,7 +17,6 @@
 
 #include <linux/module.h>
 #include <linux/kernel.h>
-#include <linux/sched.h>
 #include <linux/errno.h>
 #include <linux/tty.h>
 #include <linux/tty_flip.h>
@@ -861,22 +860,31 @@ static int num_channels;
 static void sunsab_console_putchar(struct uart_port *port, int c)
 {
        struct uart_sunsab_port *up = (struct uart_sunsab_port *)port;
-       unsigned long flags;
-
-       spin_lock_irqsave(&up->port.lock, flags);
 
        sunsab_tec_wait(up);
        writeb(c, &up->regs->w.tic);
-
-       spin_unlock_irqrestore(&up->port.lock, flags);
 }
 
 static void sunsab_console_write(struct console *con, const char *s, unsigned n)
 {
        struct uart_sunsab_port *up = &sunsab_ports[con->index];
+       unsigned long flags;
+       int locked = 1;
+
+       local_irq_save(flags);
+       if (up->port.sysrq) {
+               locked = 0;
+       } else if (oops_in_progress) {
+               locked = spin_trylock(&up->port.lock);
+       } else
+               spin_lock(&up->port.lock);
 
        uart_console_write(&up->port, s, n, sunsab_console_putchar);
        sunsab_tec_wait(up);
+
+       if (locked)
+               spin_unlock(&up->port.lock);
+       local_irq_restore(flags);
 }
 
 static int sunsab_console_setup(struct console *con, char *options)
@@ -960,22 +968,6 @@ static struct console sunsab_console = {
 
 static inline struct console *SUNSAB_CONSOLE(void)
 {
-       int i;
-
-       if (con_is_present())
-               return NULL;
-
-       for (i = 0; i < num_channels; i++) {
-               int this_minor = sunsab_reg.minor + i;
-
-               if ((this_minor - 64) == (serial_console - 1))
-                       break;
-       }
-       if (i == num_channels)
-               return NULL;
-
-       sunsab_console.index = i;
-
        return &sunsab_console;
 }
 #else
@@ -1072,7 +1064,12 @@ static int __devinit sab_probe(struct of_device *op, const struct of_device_id *
                return err;
        }
 
+       sunserial_console_match(SUNSAB_CONSOLE(), op->node,
+                               &sunsab_reg, up[0].port.line);
        uart_add_one_port(&sunsab_reg, &up[0].port);
+
+       sunserial_console_match(SUNSAB_CONSOLE(), op->node,
+                               &sunsab_reg, up[1].port.line);
        uart_add_one_port(&sunsab_reg, &up[1].port);
 
        dev_set_drvdata(&op->dev, &up[0]);
@@ -1156,7 +1153,6 @@ static int __init sunsab_init(void)
                }
 
                sunsab_reg.tty_driver->name_base = sunsab_reg.minor - 64;
-               sunsab_reg.cons = SUNSAB_CONSOLE();
                sunserial_current_minor += num_channels;
        }