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authorYinghai Lu <Yinghai.Lu@Sun.COM>2007-07-15 23:37:28 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-16 09:05:34 -0700
commitd37bf60de0b4ddc1633cf278189d3c9bf28fe3d2 (patch)
tree7d76e5fe7059e320746d165ee26f70ed8ebca80e /kernel/printk.c
parenteaa944afb206f3fc4393630811ee621b866e3255 (diff)
console: console handover to preferred console
for earlyprintk=ttyS0,9600 console=tty0 console=ttyS0,9600n8 the handover will happen from earlyser0 to tty0. but what we want is to hand over to ttyS0. Later with serial-convert-early_uart-to-earlycon-for-8250.patch, console=tty0 console=uart8250,io,0x3f8,9600n8 will handover to ttyS0 instead of tty0. Signed-off-by: Yinghai Lu <yinghai.lu@sun.com> Cc: Andi Kleen <ak@suse.de> Cc: Bjorn Helgaas <bjorn.helgaas@hp.com> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Gerd Hoffmann <kraxel@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/printk.c')
-rw-r--r--kernel/printk.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/printk.c b/kernel/printk.c
index 4961410ba36..7ce9a8c1331 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -985,12 +985,15 @@ void register_console(struct console *console)
if (!(console->flags & CON_ENABLED))
return;
- if (bootconsole) {
+ if (bootconsole && (console->flags & CON_CONSDEV)) {
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;
+ } else {
+ printk(KERN_INFO "console [%s%d] enabled\n",
+ console->name, console->index);
}
/*