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PCI: xilinx: Save MSI controller in pci_sys_data

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Save MSI controller in pci_sys_data instead of assigning MSI controller
pointer to every PCI bus in .add_bus().

[bhelgaas: use xilinx_pcie_msi_chip, not xilinx_pcie_msi_controller]
Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Yijing Wang 2014-11-11 15:45:31 -07:00 committed by Bjorn Helgaas
parent 26914233b1
commit 8dd26dc8fe
1 changed files with 5 additions and 15 deletions
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20
drivers/pci/host/pcie-xilinx.c
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@ -432,20 +432,6 @@ 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_chip.dev = port->dev;
bus->msi = &xilinx_pcie_msi_chip;
}
}
/* INTx Functions */
/**
@ -925,10 +911,14 @@ 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_chip.dev = port->dev;
hw.msi_ctrl = &xilinx_pcie_msi_chip;
#endif
pci_common_init_dev(dev, &hw);
return 0;