X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=kernel%2Fprintk.c;h=0bbdeac2810cb53c4960cb303f4b396d29cbb341;hb=5351fb106a84d6ac584c2501e3b335093d38a58c;hp=4b47e59248df00375ce5fda81e760f89e14f9a22;hpb=60f29b1e1600d89aee5e529acb4b276a6650cb8b;p=powerpc.git

diff --git a/kernel/printk.c b/kernel/printk.c
index 4b47e59248..0bbdeac281 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -20,7 +20,6 @@
 #include <linux/mm.h>
 #include <linux/tty.h>
 #include <linux/tty_driver.h>
-#include <linux/smp_lock.h>
 #include <linux/console.h>
 #include <linux/init.h>
 #include <linux/module.h>
@@ -931,8 +930,16 @@ void register_console(struct console *console)
 {
 	int i;
 	unsigned long flags;
+	struct console *bootconsole = NULL;
 
-	if (preferred_console < 0)
+	if (console_drivers) {
+		if (console->flags & CON_BOOT)
+			return;
+		if (console_drivers->flags & CON_BOOT)
+			bootconsole = console_drivers;
+	}
+
+	if (preferred_console < 0 || bootconsole || !console_drivers)
 		preferred_console = selected_console;
 
 	/*
@@ -978,8 +985,11 @@ void register_console(struct console *console)
 	if (!(console->flags & CON_ENABLED))
 		return;
 
-	if (console_drivers && (console_drivers->flags & CON_BOOT)) {
-		unregister_console(console_drivers);
+	if (bootconsole) {
+		printk(KERN_INFO "console handover: boot [%s%d] -> real [%s%d]\n",
+		       bootconsole->name, bootconsole->index,
+		       console->name, console->index);
+		unregister_console(bootconsole);
 		console->flags &= ~CON_PRINTBUFFER;
 	}
 
@@ -1030,16 +1040,11 @@ int unregister_console(struct console *console)
 		}
 	}
 
-	/* If last console is removed, we re-enable picking the first
-	 * one that gets registered. Without that, pmac early boot console
-	 * would prevent fbcon from taking over.
-	 *
+	/*
 	 * If this isn't the last console and it has CON_CONSDEV set, we
 	 * need to set it on the next preferred console.
 	 */
-	if (console_drivers == NULL)
-		preferred_console = selected_console;
-	else if (console->flags & CON_CONSDEV)
+	if (console_drivers != NULL && console->flags & CON_CONSDEV)
 		console_drivers->flags |= CON_CONSDEV;
 
 	release_console_sem();