linux-kernel - [PATCH 25/29] move snirm_53c710's probe function to .devinit.text

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Message-Id: <1264278937-19675-25-git-send-email-u.kleine-koenig@pengutronix.de>
Date:	Sat, 23 Jan 2010 21:35:33 +0100
From:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
To:	Greg KH <gregkh@...e.de>
Cc:	linux-kernel@...r.kernel.org, Kay Sievers <kay.sievers@...y.org>,
	David Brownell <dbrownell@...rs.sourceforge.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	James Bottomley <James.Bottomley@...senPartnership.com>,
	Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Subject: [PATCH 25/29] move snirm_53c710's probe function to .devinit.text

A pointer to snirm710_probe is passed to the core via
platform_driver_register and so the function must not disappear when the
.init sections are discarded.  Otherwise (if also having HOTPLUG=y)
unbinding and binding a device to the driver via sysfs will result in an
oops as does a device being registered late.

An alternative to this patch is using platform_driver_probe instead of
platform_driver_register plus removing the pointer to the probe function
from the struct platform_driver.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
Cc: Kay Sievers <kay.sievers@...y.org>
Cc: David Brownell <dbrownell@...rs.sourceforge.net>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: James Bottomley <James.Bottomley@...senPartnership.com>
Cc: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
---
 drivers/scsi/sni_53c710.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/scsi/sni_53c710.c b/drivers/scsi/sni_53c710.c
index 37b3359..56cf0bb 100644
--- a/drivers/scsi/sni_53c710.c
+++ b/drivers/scsi/sni_53c710.c
@@ -64,7 +64,7 @@ static struct scsi_host_template snirm710_template = {
 	.module		= THIS_MODULE,
 };
 
-static int __init snirm710_probe(struct platform_device *dev)
+static int __devinit snirm710_probe(struct platform_device *dev)
 {
 	unsigned long base;
 	struct NCR_700_Host_Parameters *hostdata;
-- 
1.6.6

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