linux-kernel - [PATCH] ARM64: kernel: compiling issue, duplicate definition of early

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Date:	Fri, 19 Apr 2013 18:53:07 +0800
From:	Chen Gang <gang.chen@...anux.com>
To:	Christopher Covington <cov@...eaurora.org>,
	Catalin Marinas <catalin.marinas@....com>
CC:	"anup.patel@...aro.org" <anup.patel@...aro.org>,
	Arnd Bergmann <arnd@...db.de>,
	Marc Zyngier <Marc.Zyngier@....com>,
	Will Deacon <Will.Deacon@....com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: [PATCH] ARM64: kernel: compiling issue, duplicate definition of early_console


  when compiling with allmodconfig.
    early_console is already defined as an extern global pointer.

  need let it point to the object which we intend to (like ARM32 done).


Signed-off-by: Chen Gang <gang.chen@...anux.com>
---
 arch/arm64/kernel/early_printk.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/kernel/early_printk.c
b/arch/arm64/kernel/early_printk.c
index ac974f4..fbb6e18 100644
--- a/arch/arm64/kernel/early_printk.c
+++ b/arch/arm64/kernel/early_printk.c
@@ -95,7 +95,7 @@ static void early_write(struct console *con, const
char *s, unsigned n)
 	}
 }

-static struct console early_console = {
+static struct console early_console_dev = {
 	.name =		"earlycon",
 	.write =	early_write,
 	.flags =	CON_PRINTBUFFER | CON_BOOT,
@@ -145,7 +145,8 @@ static int __init setup_early_printk(char *buf)
 		early_base = early_io_map(paddr, EARLYCON_IOBASE);

 	printch = match->printch;
-	register_console(&early_console);
+	early_console = &early_console_dev;
+	register_console(&early_console_dev);

 	return 0;
 }
-- 
1.7.7.6
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