Save MSI controller in pci_sys_data instead of
assigning MSI controller pointer to every pci bus
in .add_bus().
Signed-off-by: Yijing Wang <wangyijing@xxxxxxxxxx>
---
drivers/pci/host/pcie-xilinx.c | 19 ++++---------------
1 files changed, 4 insertions(+), 15 deletions(-)
diff --git a/drivers/pci/host/pcie-xilinx.c b/drivers/pci/host/pcie-xilinx.c
index ce19133..5a3e5a0 100644
--- a/drivers/pci/host/pcie-xilinx.c
+++ b/drivers/pci/host/pcie-xilinx.c
@@ -431,20 +431,6 @@ static void xilinx_pcie_enable_msi(struct xilinx_pcie_port *port)
pcie_write(port, msg_addr, XILINX_PCIE_REG_MSIBASE2);
}
-/**
- * xilinx_pcie_add_bus - Add MSI chip info to PCIe bus
- * @bus: PCIe bus
- */
-static void xilinx_pcie_add_bus(struct pci_bus *bus)
-{
- if (IS_ENABLED(CONFIG_PCI_MSI)) {
- struct xilinx_pcie_port *port = sys_to_pcie(bus->sysdata);
-
- xilinx_pcie_msi_controller.dev = port->dev;
- bus->msi = &xilinx_pcie_msi_controller;
- }
-}
-
/* INTx Functions */
/**
@@ -924,10 +910,13 @@ static int xilinx_pcie_probe(struct platform_device *pdev)
.private_data = (void **)&port,
.setup = xilinx_pcie_setup,
.map_irq = of_irq_parse_and_map_pci,
- .add_bus = xilinx_pcie_add_bus,
.scan = xilinx_pcie_scan_bus,
.ops = &xilinx_pcie_ops,
};
+#ifdef CONFIG_PCI_MSI
+ xilinx_pcie_msi_controller.dev = port->dev;
+ hw.msi_ctrl = &xilinx_pcie_msi_controller;
+#endif
pci_common_init_dev(dev, &hw);
return 0;
--
1.7.1
--
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