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[ARM] 3399/1: Fix link problem when CONFIG_PRINTK is disabled

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Patch from Malcolm Parsons

Printking a backtrace requires printk, so disable backtrace code
when printk is disabled.

Without this patch, a kernel with CONFIG_PRINTK disabled does not link:

arch/arm/lib/lib.a(backtrace.o): In function `c_backtrace':
arch/arm/lib/backtrace.S:(.text+0x108): undefined reference to `printk'
arch/arm/lib/backtrace.S:(.text+0x11c): undefined reference to `printk'
arch/arm/lib/lib.a(backtrace.o):(.fixup+0x8): undefined reference to `printk'

Signed-off-by: Malcolm Parsons <malcolm.parsons@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Malcolm Parsons 2006-03-25 21:58:03 +00:00 committed by Russell King
parent 80ed354725
commit 3ee357f0f3
1 changed files with 1 additions and 1 deletions
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2
arch/arm/lib/backtrace.S
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@ -29,7 +29,7 @@ ENTRY(__backtrace)
ENTRY(c_backtrace)
#ifndef CONFIG_FRAME_POINTER
#if !defined(CONFIG_FRAME_POINTER) || !defined(CONFIG_PRINTK)
mov pc, lr
#else