Use MSI chip framework instead of arch MSI functions to configure MSI/MSI-X irq. So we can manage MSI/MSI-X irq in a unified framework.
Signed-off-by: Yijing Wang <wangyij...@huawei.com> --- arch/s390/pci/pci.c | 18 ++++++++++++++---- 1 files changed, 14 insertions(+), 4 deletions(-) diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c index 2fa7b14..da5316e 100644 --- a/arch/s390/pci/pci.c +++ b/arch/s390/pci/pci.c @@ -358,7 +358,7 @@ static void zpci_irq_handler(struct airq_struct *airq) } } -int arch_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) +int zpci_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) { struct zpci_dev *zdev = get_zdev(pdev); unsigned int hwirq, msi_vecs; @@ -434,7 +434,7 @@ out: return rc; } -void arch_teardown_msi_irqs(struct pci_dev *pdev) +static void zpci_teardown_msi_irqs(struct pci_dev *pdev) { struct zpci_dev *zdev = get_zdev(pdev); struct msi_desc *msi; @@ -448,9 +448,9 @@ void arch_teardown_msi_irqs(struct pci_dev *pdev) /* Release MSI interrupts */ list_for_each_entry(msi, &pdev->msi_list, list) { if (msi->msi_attrib.is_msix) - default_msix_mask_irq(msi, 1); + __msix_mask_irq(msi, 1); else - default_msi_mask_irq(msi, 1, 1); + __msi_mask_irq(msi, 1, 1); irq_set_msi_desc(msi->irq, NULL); irq_free_desc(msi->irq); msi->msg.address_lo = 0; @@ -464,6 +464,16 @@ void arch_teardown_msi_irqs(struct pci_dev *pdev) airq_iv_free_bit(zpci_aisb_iv, zdev->aisb); } +static struct msi_chip zpci_msi_chip = { + .setup_irqs = zpci_setup_msi_irqs, + .teardown_irqs = zpci_teardown_msi_irqs, +}; + +struct msi_chip *arch_find_msi_chip(struct pci_dev *dev) +{ + return &zpci_msi_chip; +} + static void zpci_map_resources(struct zpci_dev *zdev) { struct pci_dev *pdev = zdev->pdev; -- 1.7.1 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu