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

From: Greg Kroah-Hartman
Date: Fri Oct 03 2014 - 19:21:23 EST


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

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

From: Suman Tripathi <stripathi@xxxxxxx>

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@xxxxxxx>
Signed-off-by: Suman Tripathi <stripathi@xxxxxxx>
Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
[bwh: Backported to 3.16: host flags are passed to ahci_platform_init_host()]
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
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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