8 files changed, 11 insertions, 4 deletions

diff --git a/arch/alpha/include/asm/ioctls.h b/arch/alpha/include/asm/ioctls.h
index 59617c3c2be6..034b6cf5d9f3 100644
--- a/arch/alpha/include/asm/ioctls.h
+++ b/arch/alpha/include/asm/ioctls.h
@@ -92,6 +92,7 @@
 #define TIOCGSID        0x5429  /* Return the session ID of FD */
 #define TIOCGPTN        _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */
 #define TIOCSPTLCK      _IOW('T',0x31, int)  /* Lock/unlock Pty */
+#define TIOCGDEV        _IOR('T',0x32, unsigned int) /* Get primary device node of /dev/console */
 #define TIOCSIG         _IOW('T',0x36, int)  /* Generate signal on Pty slave */
 
 #define TIOCSERCONFIG   0x5453
diff --git a/arch/mips/include/asm/ioctls.h b/arch/mips/include/asm/ioctls.h
index d87cb0465693..d967b8997626 100644
--- a/arch/mips/include/asm/ioctls.h
+++ b/arch/mips/include/asm/ioctls.h
@@ -83,6 +83,7 @@
 #define TCSETSF2        _IOW('T', 0x2D, struct termios2)
 #define TIOCGPTN        _IOR('T', 0x30, unsigned int) /* Get Pty Number (of pty-mux device) */
 #define TIOCSPTLCK      _IOW('T', 0x31, int)  /* Lock/unlock Pty */
+#define TIOCGDEV        _IOR('T', 0x32, unsigned int) /* Get primary device node of /dev/console */
 #define TIOCSIG         _IOW('T', 0x36, int)  /* Generate signal on Pty slave */
 
 /* I hope the range from 0x5480 on is free ... */
diff --git a/arch/parisc/include/asm/ioctls.h b/arch/parisc/include/asm/ioctls.h
index 4e0614456bea..6ba80d03623a 100644
--- a/arch/parisc/include/asm/ioctls.h
+++ b/arch/parisc/include/asm/ioctls.h
@@ -52,6 +52,7 @@
 #define TCSETSF2        _IOW('T',0x2D, struct termios2)
 #define TIOCGPTN        _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */
 #define TIOCSPTLCK      _IOW('T',0x31, int)  /* Lock/unlock Pty */
+#define TIOCGDEV        _IOR('T',0x32, int)  /* Get primary device node of /dev/console */
 #define TIOCSIG         _IOW('T',0x36, int)  /* Generate signal on Pty slave */
 
 #define FIONCLEX        0x5450  /* these numbers need to be adjusted. */
diff --git a/arch/parisc/kernel/pdc_cons.c b/arch/parisc/kernel/pdc_cons.c
index 66d1f17fdb94..11bdd68e5762 100644
--- a/arch/parisc/kernel/pdc_cons.c
+++ b/arch/parisc/kernel/pdc_cons.c
@@ -92,8 +92,6 @@ static int pdc_console_setup(struct console *co, char *options)
 
 static struct timer_list pdc_console_timer;
 
-extern struct console * console_drivers;
-
 static int pdc_console_tty_open(struct tty_struct *tty, struct file *filp)
 {
 
@@ -169,11 +167,13 @@ static int __init pdc_console_tty_driver_init(void)
          * It is unregistered if the pdc console was not selected as the
          * primary console. */
 
-        struct console *tmp = console_drivers;
+        struct console *tmp;
 
-        for (tmp = console_drivers; tmp; tmp = tmp->next)
+        acquire_console_sem();
+        for_each_console(tmp)
                 if (tmp == &pdc_cons)
                         break;
+        release_console_sem();
 
         if (!tmp) {
                 printk(KERN_INFO "PDC console driver not registered anymore, not creating %s\n", pdc_cons.name);
diff --git a/arch/powerpc/include/asm/ioctls.h b/arch/powerpc/include/asm/ioctls.h
index 851920052e08..c7dc17cf84f1 100644
--- a/arch/powerpc/include/asm/ioctls.h
+++ b/arch/powerpc/include/asm/ioctls.h
@@ -94,6 +94,7 @@
 #define TIOCSRS485      0x542f
 #define TIOCGPTN        _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */
 #define TIOCSPTLCK      _IOW('T',0x31, int)  /* Lock/unlock Pty */
+#define TIOCGDEV        _IOR('T',0x32, unsigned int) /* Get primary device node of /dev/console */
 #define TIOCSIG         _IOW('T',0x36, int)  /* Generate signal on Pty slave */
 
 #define TIOCSERCONFIG   0x5453
diff --git a/arch/sh/include/asm/ioctls.h b/arch/sh/include/asm/ioctls.h
index eb6c4c687972..84e85a792638 100644
--- a/arch/sh/include/asm/ioctls.h
+++ b/arch/sh/include/asm/ioctls.h
@@ -85,6 +85,7 @@
 #define TCSETSF2        _IOW('T', 45, struct termios2)
 #define TIOCGPTN        _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */
 #define TIOCSPTLCK      _IOW('T',0x31, int)  /* Lock/unlock Pty */
+#define TIOCGDEV        _IOR('T',0x32, unsigned int) /* Get primary device node of /dev/console */
 #define TIOCSIG         _IOW('T',0x36, int)  /* Generate signal on Pty slave */
 
 #define TIOCSERCONFIG   _IO('T', 83) /* 0x5453 */
diff --git a/arch/sparc/include/asm/ioctls.h b/arch/sparc/include/asm/ioctls.h
index 53f4ee009bdd..ed3807b96bb5 100644
--- a/arch/sparc/include/asm/ioctls.h
+++ b/arch/sparc/include/asm/ioctls.h
@@ -19,6 +19,7 @@
 #define TCSETS2         _IOW('T', 13, struct termios2)
 #define TCSETSW2        _IOW('T', 14, struct termios2)
 #define TCSETSF2        _IOW('T', 15, struct termios2)
+#define TIOCGDEV        _IOR('T',0x32, unsigned int) /* Get primary device node of /dev/console */
 
 /* Note that all the ioctls that are not available in Linux have a 
  * double underscore on the front to: a) avoid some programs to
diff --git a/arch/xtensa/include/asm/ioctls.h b/arch/xtensa/include/asm/ioctls.h
index ab1800012ed9..ccf1800f0b0c 100644
--- a/arch/xtensa/include/asm/ioctls.h
+++ b/arch/xtensa/include/asm/ioctls.h
@@ -98,6 +98,7 @@
 #define TCSETSF2        _IOW('T', 45, struct termios2)
 #define TIOCGPTN        _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */
 #define TIOCSPTLCK      _IOW('T',0x31, int)  /* Lock/unlock Pty */
+#define TIOCGDEV        _IOR('T',0x32, unsigned int) /* Get primary device node of /dev/console */
 #define TIOCSIG         _IOW('T',0x36, int)  /* Generate signal on Pty slave */
 
 #define TIOCSERCONFIG   _IO('T', 83)