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skd: Use pci_enable_msix_exact() instead of pci_enable_msix_range()

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Function pci_enable_msix_exact() is a variation of
pci_enable_msix_range() that allows a device driver
to request a particular number of MSI-X interrupts,
rather than any number within a specified range.

Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: linux-pci@vger.kernel.org
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Alexander Gordeev 2014-04-21 17:19:31 +02:00 committed by Jens Axboe
parent 49fd524f95
commit 01aad3f0de
1 changed files with 3 additions and 4 deletions
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7
drivers/block/skd_main.c
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@ -3944,15 +3944,14 @@ static int skd_acquire_msix(struct skd_device *skdev)
for (i = 0; i < SKD_MAX_MSIX_COUNT; i++)
entries[i].entry = i;
rc = pci_enable_msix_range(pdev, entries,
SKD_MIN_MSIX_COUNT, SKD_MAX_MSIX_COUNT);
if (rc < 0) {
rc = pci_enable_msix_exact(pdev, entries, SKD_MAX_MSIX_COUNT);
if (rc) {
pr_err("(%s): failed to enable MSI-X %d\n",
skd_name(skdev), rc);
goto msix_out;
}
skdev->msix_count = rc;
skdev->msix_count = SKD_MAX_MSIX_COUNT;
skdev->msix_entries = kzalloc(sizeof(struct skd_msix_entry) *
skdev->msix_count, GFP_KERNEL);
if (!skdev->msix_entries) {