From: Suman Tripathi <stripathi@apm.com>
Date: Mon, 29 Dec 2014 03:22:46 +0000 (+0530)
Subject: ahci_xgene: Fix the endianess issue in APM X-Gene SoC AHCI SATA controller driver.
X-Git-Tag: v3.16.35~2906
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=cb7e626a7a30285b450941d2450552595d10ad35;p=thirdparty%2Fkernel%2Fstable.git

ahci_xgene: Fix the endianess issue in APM X-Gene SoC AHCI SATA controller driver.

commit 5c0b8e0de76a86edb99e46612fd9d341b4c4fa0a upstream.

This patch fixes the big endian mode issue with function
xgene_ahci_read_id.

Signed-off-by: Suman Tripathi <stripathi@apm.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
---

diff --git a/drivers/ata/ahci_xgene.c b/drivers/ata/ahci_xgene.c
index 10d5246996765..dcd758be12db6 100644
--- a/drivers/ata/ahci_xgene.c
+++ b/drivers/ata/ahci_xgene.c
@@ -174,7 +174,7 @@ static unsigned int xgene_ahci_read_id(struct ata_device *dev,
 	 *
 	 * Clear reserved bit 8 (DEVSLP bit) as we don't support DEVSLP
 	 */
-	id[ATA_ID_FEATURE_SUPP] &= ~(1 << 8);
+	id[ATA_ID_FEATURE_SUPP] &= cpu_to_le16(~(1 << 8));
 
 	return 0;
 }