[Xen-devel] [PATCH v3 07/27] PCI: rcar: Save msi chip in pci_sys_data

[Yijing Wang <wangyijing@xxxxxxxxxx>]

Save msi chip in pci_sys_data instead of assign
msi chip to every pci bus in .add_bus().

Signed-off-by: Yijing Wang <wangyijing@xxxxxxxxxx>
---
 drivers/pci/host/pcie-rcar.c |   13 +++----------
 1 files changed, 3 insertions(+), 10 deletions(-)

diff --git a/drivers/pci/host/pcie-rcar.c b/drivers/pci/host/pcie-rcar.c
index 61158e0..c999c7e 100644
--- a/drivers/pci/host/pcie-rcar.c
+++ b/drivers/pci/host/pcie-rcar.c
@@ -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_chip = &pcie->msi.chip;
+#endif
 
        pci_common_init_dev(&pdev->dev, &rcar_pci);
 #ifdef CONFIG_PCI_DOMAINS
-- 
1.7.1


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