[PATCH v2 15/22] MIPS/Xlr/MSI: Use MSI chip framework to configure MSI/MSI-X irq
From: Yijing Wang <hidden>
Date: 2014-09-25 02:53:28
Also in:
linux-arch, linux-iommu, linux-mips, linux-pci, linux-s390, linuxppc-dev, lkml, sparclinux
Subsystem:
mips, the rest · Maintainers:
Thomas Bogendoerfer, Linus Torvalds
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/mips/pci/pci-xlr.c | 15 +++++++++++++-- 1 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/arch/mips/pci/pci-xlr.c b/arch/mips/pci/pci-xlr.c
index 0dde803..7bd91cc 100644
--- a/arch/mips/pci/pci-xlr.c
+++ b/arch/mips/pci/pci-xlr.c@@ -214,11 +214,11 @@ static int get_irq_vector(const struct pci_dev *dev) } #ifdef CONFIG_PCI_MSI -void arch_teardown_msi_irq(unsigned int irq) +void xlr_teardown_msi_irq(unsigned int irq) { } -int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc) +int xlr_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc) { struct msi_msg msg; struct pci_dev *lnk;
@@ -263,6 +263,17 @@ int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc) write_msi_msg(irq, &msg); return 0; } + +static struct msi_chip xlr_msi_chip = { + .setup_irq = xlr_setup_msi_irq, + .teardown_irq = xlr_teardown_msi_irq, +}; + +struct msi_chip *arch_find_msi_chip(struct pci_dev *dev) +{ + return &xlr_msi_chip; +} + #endif /* Extra ACK needed for XLR on chip PCI controller */
--
1.7.1