diff options
Diffstat (limited to 'drivers/block/nvme-core.c')
| -rw-r--r-- | drivers/block/nvme-core.c | 33 |
1 files changed, 9 insertions, 24 deletions
diff --git a/drivers/block/nvme-core.c b/drivers/block/nvme-core.c index 8459e4e7c719..da085ff10d25 100644 --- a/drivers/block/nvme-core.c +++ b/drivers/block/nvme-core.c @@ -1836,31 +1836,16 @@ static int nvme_setup_io_queues(struct nvme_dev *dev) /* Deregister the admin queue's interrupt */ free_irq(dev->entry[0].vector, adminq); - vecs = nr_io_queues; - for (i = 0; i < vecs; i++) + for (i = 0; i < nr_io_queues; i++) dev->entry[i].entry = i; - for (;;) { - result = pci_enable_msix(pdev, dev->entry, vecs); - if (result <= 0) - break; - vecs = result; - } - - if (result < 0) { - vecs = nr_io_queues; - if (vecs > 32) - vecs = 32; - for (;;) { - result = pci_enable_msi_block(pdev, vecs); - if (result == 0) { - for (i = 0; i < vecs; i++) - dev->entry[i].vector = i + pdev->irq; - break; - } else if (result < 0) { - vecs = 1; - break; - } - vecs = result; + vecs = pci_enable_msix_range(pdev, dev->entry, 1, nr_io_queues); + if (vecs < 0) { + vecs = pci_enable_msi_range(pdev, 1, min(nr_io_queues, 32)); + if (vecs < 0) { + vecs = 1; + } else { + for (i = 0; i < vecs; i++) + dev->entry[i].vector = i + pdev->irq; } } |