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
--
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