[PATCH v2] ioat: Use pci_enable_msix_exact() instead of pci_enable_msix()

[Alexander Gordeev]

As result of deprecation of MSI-X/MSI enablement functions
pci_enable_msix() and pci_enable_msi_block() all drivers
using these two interfaces need to be updated to use the
new pci_enable_msi_range()  or pci_enable_msi_exact()
and pci_enable_msix_range() or pci_enable_msix_exact()
interfaces.

Function pci_enable_msix() returns a tri-state value while
pci_enable_msi_exact() is a canonical zero/-errno variant.
The former is being phased out in favor of the latter.
In case of 'ioat' there (should be) no difference.

Signed-off-by: Alexander Gordeev <agordeev@xxxxxxxxxx>
Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
Cc: Vinod Koul <vinod.koul@xxxxxxxxx>
Cc: dmaengine@xxxxxxxxxxxxxxx
Cc: linux-pci@xxxxxxxxxxxxxxx
Acked-by: Dan Williams <dan.j.williams@xxxxxxxxx>
---
 drivers/dma/ioat/dma.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/dma/ioat/dma.c b/drivers/dma/ioat/dma.c
index 4e3549a..b76c148 100644
--- a/drivers/dma/ioat/dma.c
+++ b/drivers/dma/ioat/dma.c
@@ -947,7 +947,7 @@ msix:
 	for (i = 0; i < msixcnt; i++)
 		device->msix_entries[i].entry = i;
 
-	err = pci_enable_msix(pdev, device->msix_entries, msixcnt);
+	err = pci_enable_msix_exact(pdev, device->msix_entries, msixcnt);
 	if (err)
 		goto msi;
 
-- 
1.7.7.6

-- 
Regards,
Alexander Gordeev
agordeev@xxxxxxxxxx
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