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authorYijing Wang <wangyijing@huawei.com>2014-11-11 23:35:05 +0100
committerBjorn Helgaas <bhelgaas@google.com>2014-11-21 17:33:45 +0100
commit7ec725b2d5757754bd8bc5fd13d5f8c53d44ce80 (patch)
tree94c726fc99b1f437cd975bc622d90d7f07495bc6 /drivers/pci/host/pci-tegra.c
parentARM/PCI: Save MSI controller in pci_sys_data (diff)
downloadlinux-7ec725b2d5757754bd8bc5fd13d5f8c53d44ce80.tar.xz
linux-7ec725b2d5757754bd8bc5fd13d5f8c53d44ce80.zip
PCI: tegra: 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 tegra_msi.chip, not ctrl] Signed-off-by: Yijing Wang <wangyijing@huawei.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci/host/pci-tegra.c')
-rw-r--r--drivers/pci/host/pci-tegra.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/drivers/pci/host/pci-tegra.c b/drivers/pci/host/pci-tegra.c
index 5529de7328ba..1f01faa918cc 100644
--- a/drivers/pci/host/pci-tegra.c
+++ b/drivers/pci/host/pci-tegra.c
@@ -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;