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PCI: tegra: 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 struct tegra_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 15:35:05 -07:00 committed by Bjorn Helgaas
parent 49dcc01a9f
commit 7ec725b2d5
1 changed files with 4 additions and 10 deletions
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14
drivers/pci/host/pci-tegra.c
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@ -694,15 +694,6 @@ static int tegra_pcie_map_irq(const struct pci_dev *pdev, u8 slot, u8 pin)
return irq;
}
static void tegra_pcie_add_bus(struct pci_bus *bus)
{
if (IS_ENABLED(CONFIG_PCI_MSI)) {
struct tegra_pcie *pcie = sys_to_pcie(bus->sysdata);
bus->msi = &pcie->msi.chip;
}
}
static struct pci_bus *tegra_pcie_scan_bus(int nr, struct pci_sys_data *sys)
{
struct tegra_pcie *pcie = sys_to_pcie(sys);
@ -1882,11 +1873,14 @@ static int tegra_pcie_enable(struct tegra_pcie *pcie)
memset(&hw, 0, sizeof(hw));
#ifdef CONFIG_PCI_MSI
hw.msi_ctrl = &pcie->msi.chip;
#endif
hw.nr_controllers = 1;
hw.private_data = (void **)&pcie;
hw.setup = tegra_pcie_setup;
hw.map_irq = tegra_pcie_map_irq;
hw.add_bus = tegra_pcie_add_bus;
hw.scan = tegra_pcie_scan_bus;
hw.ops = &tegra_pcie_ops;