linux-kernel - [PATCH 3.16 350/357] ahci_xgene: Removing NCQ support from the APM X-Gene SoC AHCI SATA Host Controller driver.

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Date:	Fri,  3 Oct 2014 14:32:16 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Loc Ho <lho@....com>,
	Suman Tripathi <stripathi@....com>, Tejun Heo <tj@...nel.org>,
	Ben Hutchings <ben@...adent.org.uk>
Subject: [PATCH 3.16 350/357] ahci_xgene: Removing NCQ support from the APM X-Gene SoC AHCI SATA Host Controller driver.

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

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

From: Suman Tripathi <stripathi@....com>

commit 72f79f9e35bd3f78ee8853f2fcacaa197d23ebac upstream.

This patch removes the NCQ support from the APM X-Gene SoC AHCI
Host Controller driver as it doesn't support it.

Signed-off-by: Loc Ho <lho@....com>
Signed-off-by: Suman Tripathi <stripathi@....com>
Signed-off-by: Tejun Heo <tj@...nel.org>
[bwh: Backported to 3.16: host flags are passed to ahci_platform_init_host()]
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/ata/ahci_xgene.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/ata/ahci_xgene.c
+++ b/drivers/ata/ahci_xgene.c
@@ -337,7 +337,7 @@ static struct ata_port_operations xgene_
 };
 
 static const struct ata_port_info xgene_ahci_port_info = {
-	.flags = AHCI_FLAG_COMMON | ATA_FLAG_NCQ,
+	.flags = AHCI_FLAG_COMMON,
 	.pio_mask = ATA_PIO4,
 	.udma_mask = ATA_UDMA6,
 	.port_ops = &xgene_ahci_ops,
@@ -484,7 +484,7 @@ static int xgene_ahci_probe(struct platf
 		goto disable_resources;
 	}
 
-	hflags = AHCI_HFLAG_NO_PMP | AHCI_HFLAG_YES_NCQ;
+	hflags = AHCI_HFLAG_NO_PMP | AHCI_HFLAG_NO_NCQ;
 
 	rc = ahci_platform_init_host(pdev, hpriv, &xgene_ahci_port_info,
 				     hflags, 0, 0);


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