linux-kernel - [PATCH] m32r: fix m32104ut

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Message-Id: <1451480307-15119-1-git-send-email-sudipm.mukherjee@gmail.com>
Date:	Wed, 30 Dec 2015 18:28:27 +0530
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org,
	Sudip Mukherjee <sudipm.mukherjee@...il.com>,
	Fengguang Wu <fengguang.wu@...el.com>
Subject: [PATCH] m32r: fix m32104ut_defconfig build fail

The build of m32104ut_defconfig for m32r arch was failing for long long
time with the error:
ERROR: "memory_start" [fs/udf/udf.ko] undefined!
ERROR: "memory_end" [fs/udf/udf.ko] undefined!
ERROR: "memory_end" [drivers/scsi/sg.ko] undefined!
ERROR: "memory_start" [drivers/scsi/sg.ko] undefined!
ERROR: "memory_end" [drivers/i2c/i2c-dev.ko] undefined!
ERROR: "memory_start" [drivers/i2c/i2c-dev.ko] undefined!

As done in other architectures export the symbols to fix the error.

Reported-by: Fengguang Wu <fengguang.wu@...el.com>
Signed-off-by: Sudip Mukherjee <sudip@...torindia.org>
---

It was reported long time ago. But I think  no-one cared. You can find
it at:
https://lists.01.org/pipermail/kbuild-all/2014-March/003542.html

And FYI, i have contacted Renesas asking them about how to procure a
board to test this arch. Still waiting for a reply.

 arch/m32r/kernel/setup.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/m32r/kernel/setup.c b/arch/m32r/kernel/setup.c
index 0392112..a5ecef7 100644
--- a/arch/m32r/kernel/setup.c
+++ b/arch/m32r/kernel/setup.c
@@ -81,7 +81,10 @@ static struct resource code_resource = {
 };

 unsigned long memory_start;
+EXPORT_SYMBOL(memory_start);
+
 unsigned long memory_end;
+EXPORT_SYMBOL(memory_end);

 void __init setup_arch(char **);
 int get_cpuinfo(char *);
-- 
1.9.1

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