Re: [PATCH v1 15/21] Powerpc/MSI: Use MSI chip framework to configure MSI/MSI-X irq

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Hello.

On 9/5/2014 2:10 PM, Yijing Wang wrote:

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@xxxxxxxxxx>
---
  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
[...]
@@ -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)

   Shouldn't this function take IRQ # instead?

  {
  	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;
+}

WBR, Sergei

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