linux-kernel - [PATCH -next] ARC: Fix earlycon build breakage

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Message-Id: <1423012132-9149-1-git-send-email-peter@hurleysoftware.com>
Date:	Tue,  3 Feb 2015 20:08:52 -0500
From:	Peter Hurley <peter@...leysoftware.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	Vineet Gupta <vgupta@...opsys.com>,
	Guenter Roeck <linux@...ck-us.net>,
	Peter Hurley <peter@...leysoftware.com>
Subject: [PATCH -next] ARC: Fix earlycon build breakage

Commit ffb7fcd66f14 ("ARC: Dynamically determine BASE_BAUD from DeviceTree")
breaks arc:defconfig build:

       drivers/built-in.o: In function `of_setup_earlycon':
       (.init.text+0xb3e): undefined reference to `arc_early_base_baud'
       drivers/built-in.o: In function `setup_earlycon':
       (.init.text+0xcd0): undefined reference to `arc_early_base_baud'
       make: *** [vmlinux] Error 1

BASE_BAUD is only required for earlycon, which should depend on
CONFIG_SERIAL_EARLYCON.

Reported-by: Guenter Roeck <linux@...ck-us.net>
Tested-by: Guenter Roeck <linux@...ck-us.net>
Signed-off-by: Peter Hurley <peter@...leysoftware.com>
---
 arch/arc/kernel/devtree.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arc/kernel/devtree.c b/arch/arc/kernel/devtree.c
index 5036d4c..e32b54a 100644
--- a/arch/arc/kernel/devtree.c
+++ b/arch/arc/kernel/devtree.c
@@ -17,7 +17,7 @@
 #include <asm/clk.h>
 #include <asm/mach_desc.h>
 
-#ifdef CONFIG_SERIAL_8250_CONSOLE
+#ifdef CONFIG_SERIAL_EARLYCON
 
 static unsigned int __initdata arc_base_baud;
 
-- 
2.2.2

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