Messages in this thread Patch in this message | | | From | Yijing Wang <> | Subject | [PATCH v2 17/22] s390/MSI: Use MSI chip framework to configure MSI/MSI-X irq | Date | Thu, 25 Sep 2014 11:14:27 +0800 |
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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 <wangyijing@huawei.com> Acked-by: Sebastian Ott <sebott@linux.vnet.ibm.com> --- arch/s390/pci/pci.c | 14 ++++++++++++-- 1 files changed, 12 insertions(+), 2 deletions(-)
diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c index 552b990..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; @@ -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
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