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/mips/include/asm/netlogic/xlp-hal/pcibus.h | 1 + arch/mips/pci/msi-xlp.c | 11 +++++++++-- arch/mips/pci/pci-xlp.c | 3 +++ 3 files changed, 13 insertions(+), 2 deletions(-) diff --git a/arch/mips/include/asm/netlogic/xlp-hal/pcibus.h b/arch/mips/include/asm/netlogic/xlp-hal/pcibus.h index 91540f4..90646ad 100644 --- a/arch/mips/include/asm/netlogic/xlp-hal/pcibus.h +++ b/arch/mips/include/asm/netlogic/xlp-hal/pcibus.h @@ -103,6 +103,7 @@ #ifdef CONFIG_PCI_MSI void xlp_init_node_msi_irqs(int node, int link); +extern struct msi_chip xlp_chip; #else static inline void xlp_init_node_msi_irqs(int node, int link) {} #endif diff --git a/arch/mips/pci/msi-xlp.c b/arch/mips/pci/msi-xlp.c index e469dc7..cca2257 100644 --- a/arch/mips/pci/msi-xlp.c +++ b/arch/mips/pci/msi-xlp.c @@ -245,7 +245,8 @@ static struct irq_chip xlp_msix_chip = { .irq_unmask = unmask_msi_irq, }; -void arch_teardown_msi_irq(unsigned int irq) +static void xlp_teardown_msi_irq(struct msi_chip *chip, + unsigned int irq) { } @@ -450,7 +451,8 @@ 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 msi_chip *chip, + struct pci_dev *dev, struct msi_desc *desc) { struct pci_dev *lnkdev; uint64_t lnkbase; @@ -472,6 +474,11 @@ int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc) return xlp_setup_msi(lnkbase, node, link, desc); } +struct msi_chip xlp_chip = { + .setup_irq = xlp_setup_msi_irq, + .teardown_irq = xlp_teardown_msi_irq, +}; + void __init xlp_init_node_msi_irqs(int node, int link) { struct nlm_soc_info *nodep; diff --git a/arch/mips/pci/pci-xlp.c b/arch/mips/pci/pci-xlp.c index 7babf01..5d7b6a0 100644 --- a/arch/mips/pci/pci-xlp.c +++ b/arch/mips/pci/pci-xlp.c @@ -174,6 +174,9 @@ struct pci_controller nlm_pci_controller = { .mem_offset = 0x00000000UL, .io_resource = &nlm_pci_io_resource, .io_offset = 0x00000000UL, +#ifdef CONFIG_PCI_MSI + .msi_chip = &xlp_chip, +#endif }; struct pci_dev *xlp_get_pcie_link(const struct pci_dev *dev) -- 1.7.1