>From Kuan Luo <kluo@xxxxxxxxxx>
The patch will avoid ncq function use of sata_nv when swncq is zero by
default.
signed-off-by: Kuan Luo <kluo@xxxxxxxxxx>
---
sata_nv.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c
index 240a892..e6b6455 100644
--- a/drivers/ata/sata_nv.c
+++ b/drivers/ata/sata_nv.c
@@ -365,9 +365,9 @@ static const struct pci_device_id nv_pci_tbl[] = {
{ PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_SATA2),
SWNCQ },
{ PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP55_SATA),
SWNCQ },
{ PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP55_SATA2),
SWNCQ },
- { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_SATA),
SWNCQ },
- { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_SATA2),
SWNCQ },
- { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_SATA3),
SWNCQ },
+ { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_SATA),
GENERIC },
+ { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_SATA2),
GENERIC },
+ { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_SATA3),
GENERIC },
{ } /* terminate list */
};
@@ -2383,6 +2383,9 @@ static int nv_init_one (struct pci_dev *pdev,
const struct pci_device_id *ent)
type = ADMA;
}
+ if (type == SWNCQ && !swncq_enabled)
+ type = GENERIC;
+
ppi[0] = &nv_port_info[type];
rc = ata_pci_prepare_sff_host(pdev, ppi, &host);
if (rc)
_
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