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Commit a384c892 authored by Alexander Gordeev's avatar Alexander Gordeev Committed by Bjorn Helgaas
Browse files

s390/PCI: Fix single MSI only check 



Multiple MSIs have never been supported on s390 architecture, but the
platform code fails to report single MSI only.

Signed-off-by: default avatarAlexander Gordeev <agordeev@redhat.com>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
Acked-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 1c51b50c

arch/s390/pci/pci.c

+2 −0
Original line number Diff line number Diff line
@@ -409,6 +409,8 @@ int arch_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) 


	if (type != PCI_CAP_ID_MSIX && type != PCI_CAP_ID_MSI)

		return -EINVAL;

	if (type == PCI_CAP_ID_MSI && nvec > 1)

		return 1;

	msi_vecs = min(nvec, ZPCI_MSI_VEC_MAX);

	msi_vecs = min_t(unsigned int, msi_vecs, CONFIG_PCI_NR_MSI);