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[3.16.y-ckt,118/135] ahci_xgene: Fix the endianess issue in APM X-Gene SoC AHCI SATA controller driver.

Message ID 1423224113-10958-119-git-send-email-luis.henriques@canonical.com
State New
Headers show

Commit Message

Luis Henriques Feb. 6, 2015, 12:01 p.m. UTC 
3.16.7-ckt6 -stable review patch.  If anyone has any objections, please let me know.

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

From: Suman Tripathi <stripathi@apm.com>

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>
---
 drivers/ata/ahci_xgene.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/ata/ahci_xgene.c b/drivers/ata/ahci_xgene.c
index 10d524699676..dcd758be12db 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;
 }