linux-kernel - [PATCH] mfd, ab3550: Fix spurious section mismatch warning.

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Date:	Wed, 20 Oct 2010 15:04:24 +0600
From:	Rakib Mullick <rakib.mullick@...il.com>
To:	sameo@...ux.intel.com
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] mfd, ab3550: Fix spurious section mismatch warning.

 This patch fixes the following section mismatch warning.
ab3550_driver has been reffered from both __init and __exit path so
use __refdata to keep it calm.


WARNING: drivers/mfd/built-in.o(.data+0x3b4c): Section mismatch in
reference from the variable ab3550_driver to the function
.init.text:ab3550_probe()
The variable ab3550_driver references
the function __init ab3550_probe()
If the reference is valid then annotate the
variable with __init* or __refdata (see linux/init.h) or name the variable:
*_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console,


Signed-off-by: Rakib Mullick <rakib.mullick@...il.com>
---

--- linus-rc8/drivers/mfd/ab3550-core.c	2010-10-15 05:26:43.000000000 +0600
+++ rakib-rc8/drivers/mfd/ab3550-core.c	2010-10-20 14:44:58.000000000 +0600
@@ -1373,7 +1373,8 @@ static const struct i2c_device_id ab3550
 };
 MODULE_DEVICE_TABLE(i2c, ab3550_id);

-static struct i2c_driver ab3550_driver = {
+/* Use __refdata to fix spurious section mismatch warning. */
+static struct i2c_driver ab3550_driver __refdata = {
 	.driver = {
 		.name	= AB3550_NAME_STRING,
 		.owner	= THIS_MODULE,
--
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