[PATCH v1 13/21] MIPS/Xlp/MSI: Use MSI chip framework to configure MSI/MSI-X irq
From: Yijing Wang <hidden>
Date: 2014-09-05 10:09:58
Also in:
linux-arch, linux-arm-kernel, linux-iommu, linux-mips, linux-pci, linux-s390, 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/msi-xlp.c | 14 ++++++++++++-- 1 files changed, 12 insertions(+), 2 deletions(-)
diff --git a/arch/mips/pci/msi-xlp.c b/arch/mips/pci/msi-xlp.c
index e469dc7..6b791ef 100644
--- a/arch/mips/pci/msi-xlp.c
+++ b/arch/mips/pci/msi-xlp.c@@ -245,7 +245,7 @@ static struct irq_chip xlp_msix_chip = { .irq_unmask = unmask_msi_irq, }; -void arch_teardown_msi_irq(unsigned int irq) +void xlp_teardown_msi_irq(unsigned int irq) { }
@@ -450,7 +450,7 @@ static int xlp_setup_msix(uint64_t lnkbase, int node, int link, return 0; } -int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc) +static int xlp_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc) { struct pci_dev *lnkdev; uint64_t lnkbase;
@@ -472,6 +472,16 @@ int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc) return xlp_setup_msi(lnkbase, node, link, desc); } +static struct msi_chip xlp_chip = { + .setup_irq = xlp_setup_msi_irq, + .teardown_irq = xlp_teardown_msi_irq, +}; + +struct msi_chip *arch_find_msi_chip(struct pci_dev *dev) +{ + return &xlp_chip; +} + void __init xlp_init_node_msi_irqs(int node, int link) { struct nlm_soc_info *nodep;
--
1.7.1