[PATCH] ppc64: iSeries early printk breakage

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The earlier commit 8d9273918635f0301368c01b56c03a6f339e8d51
(Consolidate early console and PPCDBG code) broke iSeries because
it caused unregister_console(&udbg_console) to be called
unconditionally.  iSeries never registers the udbg_console.

This just reverts part of the change.

Signed-off-by: Stephen Rothwell <[email protected]>
---

 arch/ppc64/kernel/udbg.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

-- 
Cheers,
Stephen Rothwell                    [email protected]
http://www.canb.auug.org.au/~sfr/

234f5032f6ccb4d72e4b74d33af55716b67d8a27
diff --git a/arch/ppc64/kernel/udbg.c b/arch/ppc64/kernel/udbg.c
--- a/arch/ppc64/kernel/udbg.c
+++ b/arch/ppc64/kernel/udbg.c
@@ -158,14 +158,20 @@ static struct console udbg_console = {
 	.index	= -1,
 };
 
+static int early_console_initialized;
+
 void __init disable_early_printk(void)
 {
+	if (!early_console_initialized)
+		return;
 	unregister_console(&udbg_console);
+	early_console_initialized = 0;
 }
 
 /* called by setup_system */
 void register_early_udbg_console(void)
 {
+	early_console_initialized = 1;
 	register_console(&udbg_console);
 }
 

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Description: PGP signature


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