linux-kernel - [31/80] rt2x00: Fix efuse EEPROM reading on PPC32.

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Message-Id: <20111207160825.205080939@clark.kroah.org>
Date:	Wed, 07 Dec 2011 08:06:51 -0800
From:	Greg KH <gregkh@...e.de>
To:	<linux-kernel@...r.kernel.org>, <stable@...r.kernel.org>
Cc:	<torvalds@...ux-foundation.org>, <akpm@...ux-foundation.org>,
	<alan@...rguk.ukuu.org.uk>,
	Gertjan van Wingerde <gwingerde@...il.com>,
	Helmut Schaa <helmut.schaa@...glemail.com>,
	Ivo van Doorn <IvDoorn@...il.com>,
	"John W. Linville" <linville@...driver.com>
Subject: [31/80] rt2x00: Fix efuse EEPROM reading on PPC32.

3.0-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Gertjan van Wingerde <gwingerde@...il.com>

commit 68fa64ef606bcee688fce46d07aa68f175070156 upstream.

Fix __le32 to __le16 conversion of the first word of an 8-word block
of EEPROM read via the efuse method.

Reported-and-tested-by: Ingvar Hagelund <ingvar@...pill-linpro.com>
Signed-off-by: Gertjan van Wingerde <gwingerde@...il.com>
Acked-by: Helmut Schaa <helmut.schaa@...glemail.com>
Acked-by: Ivo van Doorn <IvDoorn@...il.com>
Signed-off-by: John W. Linville <linville@...driver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/net/wireless/rt2x00/rt2800lib.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -3514,7 +3514,7 @@ static void rt2800_efuse_read(struct rt2
 	/* Apparently the data is read from end to start */
 	rt2800_register_read_lock(rt2x00dev, EFUSE_DATA3, &reg);
 	/* The returned value is in CPU order, but eeprom is le */
-	rt2x00dev->eeprom[i] = cpu_to_le32(reg);
+	*(u32 *)&rt2x00dev->eeprom[i] = cpu_to_le32(reg);
 	rt2800_register_read_lock(rt2x00dev, EFUSE_DATA2, &reg);
 	*(u32 *)&rt2x00dev->eeprom[i + 2] = cpu_to_le32(reg);
 	rt2800_register_read_lock(rt2x00dev, EFUSE_DATA1, &reg);


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