Multiple MSIs have never been supported on s390 architecture, but the platform code fails to report single MSI only. Signed-off-by: Alexander Gordeev <agordeev@xxxxxxxxxx> Acked-by: Martin Schwidefsky <schwidefsky@xxxxxxxxxx> --- arch/s390/pci/pci.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c index f17a834..c79c6e4 100644 --- a/arch/s390/pci/pci.c +++ b/arch/s390/pci/pci.c @@ -427,6 +427,8 @@ int arch_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) pr_debug("%s: requesting %d MSI-X interrupts...", __func__, nvec); 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); -- 1.7.7.6 -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html