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bfa: Use pci_enable_msix_exact() instead of pci_enable_msix()

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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.

Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Acked-by: Anil Gurumurthy <anil.gurumurthy@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Alexander Gordeev 2014-07-16 20:05:08 +02:00 committed by Christoph Hellwig
parent 8cb7f63d68
commit b427d00fab
1 changed files with 6 additions and 14 deletions
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20
drivers/scsi/bfa/bfad.c
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@ -1234,29 +1234,21 @@ bfad_setup_intr(struct bfad_s *bfad)
if ((bfa_asic_id_ctc(pdev->device) && !msix_disable_ct) ||
(bfa_asic_id_cb(pdev->device) && !msix_disable_cb)) {
error = pci_enable_msix(bfad->pcidev, msix_entries, bfad->nvec);
error = pci_enable_msix_exact(bfad->pcidev,
msix_entries, bfad->nvec);
/* In CT1 & CT2, try to allocate just one vector */
if (error > 0 && bfa_asic_id_ctc(pdev->device)) {
if (error == -ENOSPC && bfa_asic_id_ctc(pdev->device)) {
printk(KERN_WARNING "bfa %s: trying one msix "
"vector failed to allocate %d[%d]\n",
bfad->pci_name, bfad->nvec, error);
bfad->nvec = 1;
error = pci_enable_msix(bfad->pcidev,
msix_entries, bfad->nvec);
error = pci_enable_msix_exact(bfad->pcidev,
msix_entries, 1);
}
/*
* Only error number of vector is available.
* We don't have a mechanism to map multiple
* interrupts into one vector, so even if we
* can try to request less vectors, we don't
* know how to associate interrupt events to
* vectors. Linux doesn't duplicate vectors
* in the MSIX table for this case.
*/
if (error) {
printk(KERN_WARNING "bfad%d: "
"pci_enable_msix failed (%d), "
"pci_enable_msix_exact failed (%d), "
"use line based.\n",
bfad->inst_no, error);
goto line_based;