* [PATCH] ahci: fix the single MSI-X case in ahci_init_one
@ 2016-10-25 12:04 Christoph Hellwig
2016-10-25 15:43 ` Tejun Heo
0 siblings, 1 reply; 2+ messages in thread
From: Christoph Hellwig @ 2016-10-25 12:04 UTC (permalink / raw)
To: tj; +Cc: linux-ide, rrichter, ddaney.cavm
We need to make sure hpriv->irq is set properly if we don't use per-port
vectors, so switch from blindly assigning pdev->irq to using
pci_irq_vector, which handles all interrupt types correctly.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reported-by: Robert Richter <robert.richter@cavium.com>
Tested-by: Robert Richter <robert.richter@cavium.com>
Tested-by: David Daney <ddaney.cavm@gmail.com>
Fixes: 0b9e2988ab22 ("ahci: use pci_alloc_irq_vectors")
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;
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] ahci: fix the single MSI-X case in ahci_init_one
2016-10-25 12:04 [PATCH] ahci: fix the single MSI-X case in ahci_init_one Christoph Hellwig
@ 2016-10-25 15:43 ` Tejun Heo
0 siblings, 0 replies; 2+ messages in thread
From: Tejun Heo @ 2016-10-25 15:43 UTC (permalink / raw)
To: Christoph Hellwig; +Cc: linux-ide, rrichter, ddaney.cavm
On Tue, Oct 25, 2016 at 02:04:34PM +0200, Christoph Hellwig wrote:
> We need to make sure hpriv->irq is set properly if we don't use per-port
> vectors, so switch from blindly assigning pdev->irq to using
> pci_irq_vector, which handles all interrupt types correctly.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> Reported-by: Robert Richter <robert.richter@cavium.com>
> Tested-by: Robert Richter <robert.richter@cavium.com>
> Tested-by: David Daney <ddaney.cavm@gmail.com>
> Fixes: 0b9e2988ab22 ("ahci: use pci_alloc_irq_vectors")
Applied to libata/for-4.9-fixes.
Thanks.
--
tejun
^ permalink raw reply [flat|nested] 2+ messages in thread
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2016-10-25 12:04 [PATCH] ahci: fix the single MSI-X case in ahci_init_one Christoph Hellwig
2016-10-25 15:43 ` Tejun Heo
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