[PATCH v1 15/21] Powerpc/MSI: Use MSI chip framework to configure MSI/MSI-X irq
From: Sergei Shtylyov <hidden>
Date: 2014-09-05 10:47:48
Also in:
linux-arch, linux-iommu, linux-mips, linux-pci, linux-s390, linuxppc-dev, sparclinux
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 <redacted> --- arch/powerpc/kernel/msi.c | 14 ++++++++++++-- 1 files changed, 12 insertions(+), 2 deletions(-)
quoted hunk ↗ jump to hunk
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
[...]
quoted hunk ↗ jump to hunk
@@ -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