PCI: rcar: Save MSI controller in pci_sys_data

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

[bhelgaas: use struct rcar_msi.chip, not ctrl]
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 15:43:08 -07:00 committed by Bjorn Helgaas
parent 0815f957e1
commit 7840cba885

View file

@ -380,20 +380,10 @@ static int rcar_pcie_setup(int nr, struct pci_sys_data *sys)
return 1;
}
static void rcar_pcie_add_bus(struct pci_bus *bus)
{
if (IS_ENABLED(CONFIG_PCI_MSI)) {
struct rcar_pcie *pcie = sys_to_pcie(bus->sysdata);
bus->msi = &pcie->msi.chip;
}
}
struct hw_pci rcar_pci = {
.setup = rcar_pcie_setup,
.map_irq = of_irq_parse_and_map_pci,
.ops = &rcar_pcie_ops,
.add_bus = rcar_pcie_add_bus,
};
static void rcar_pcie_enable(struct rcar_pcie *pcie)
@ -402,6 +392,9 @@ static void rcar_pcie_enable(struct rcar_pcie *pcie)
rcar_pci.nr_controllers = 1;
rcar_pci.private_data = (void **)&pcie;
#ifdef CONFIG_PCI_MSI
rcar_pci.msi_ctrl = &pcie->msi.chip;
#endif
pci_common_init_dev(&pdev->dev, &rcar_pci);
#ifdef CONFIG_PCI_DOMAINS