linux-kernel - [PATCH] move mmci-omap's probe function to .devinit.text

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Message-Id: <1231799107-20136-30-git-send-email-u.kleine-koenig@pengutronix.de>
Date:	Mon, 12 Jan 2009 23:24:35 +0100
From:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
To:	linux-kernel@...r.kernel.org
Subject: [PATCH] move mmci-omap's probe function to .devinit.text

A pointer to mmc_omap_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>
---
 drivers/mmc/host/omap.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c
index 67d7b7f..33bf49f 100644
--- a/drivers/mmc/host/omap.c
+++ b/drivers/mmc/host/omap.c
@@ -1394,7 +1394,7 @@ static void mmc_omap_remove_slot(struct mmc_omap_slot *slot)
 	mmc_free_host(mmc);
 }
 
-static int __init mmc_omap_probe(struct platform_device *pdev)
+static int __devinit mmc_omap_probe(struct platform_device *pdev)
 {
 	struct omap_mmc_platform_data *pdata = pdev->dev.platform_data;
 	struct mmc_omap_host *host = NULL;
-- 
1.5.6.5

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