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Miller" Subject: [Xen-devel] [PATCH v1 15/21] Powerpc/MSI: Use MSI chip framework to configure MSI/MSI-X irq X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: List-Unsubscribe: , List-Post: , List-Help: , List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org X-Removed-Original-Auth: Dkim didn't pass. X-Original-Sender: wangyijing@huawei.com X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of patch+caf_=patchwork-forward=linaro.org@linaro.org designates 209.85.220.180 as permitted sender) smtp.mail=patch+caf_=patchwork-forward=linaro.org@linaro.org Mailing-list: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org X-Google-Group-Id: 836684582541 List-Archive: 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 Acked-by: Michael Ellerman (powerpc) --- arch/powerpc/kernel/msi.c | 14 ++++++++++++-- 1 files changed, 12 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/kernel/msi.c b/arch/powerpc/kernel/msi.c index 71bd161..01781a4 100644 --- a/arch/powerpc/kernel/msi.c +++ b/arch/powerpc/kernel/msi.c @@ -13,7 +13,7 @@ #include -int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) +static int ppc_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) { if (!ppc_md.setup_msi_irqs || !ppc_md.teardown_msi_irqs) { pr_debug("msi: Platform doesn't provide MSI callbacks.\n"); @@ -27,7 +27,17 @@ int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) return ppc_md.setup_msi_irqs(dev, nvec, type); } -void arch_teardown_msi_irqs(struct pci_dev *dev) +static void ppc_teardown_msi_irqs(struct pci_dev *dev) { ppc_md.teardown_msi_irqs(dev); } + +static struct msi_chip ppc_msi_chip = { + .setup_irqs = ppc_setup_msi_irqs, + .teardown_irqs = ppc_teardown_msi_irqs, +}; + +struct msi_chip *arch_find_msi_chip(struct pci_dev *dev) +{ + return &ppc_msi_chip; +}