On 10/22/2016 07:11 AM, Christoph Hellwig wrote:
Hi Robert,
is this a controller that's using MSI-X?
If so can you try the patch below?
After better understanding your request, I applied this against:
http://git.kernel.org/cgit/linux/kernel/git/tj/libata.git/log/?h=for-4.9-fixes
(commit a478b097474cd9f2268ab1beaca74ff09e652b9b)
This is now working on my ThunderX CRB-2S system.
You can add:
Tested-by: David Daney <david.daney@xxxxxxxxxx>
Thanks for taking the time to work through this.
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index ba5f11c..5fe852d 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -1617,7 +1617,7 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
/* legacy intx interrupts */
pci_intx(pdev, 1);
}
- hpriv->irq = pdev->irq;
+ hpriv->irq = pci_irq_vector(pdev, 0);
if (!(hpriv->cap & HOST_CAP_SSS) || ahci_ignore_sss)
host->flags |= ATA_HOST_PARALLEL_SCAN;
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