Commit-ID: 0815f957e1a4a676ddf88657a6d8b9eca15640ad
Gitweb: http://git.kernel.org/tip/0815f957e1a4a676ddf88657a6d8b9eca15640ad
Author: Yijing Wang <wangyijing@xxxxxxxxxx>
AuthorDate: Tue, 11 Nov 2014 15:38:07 -0700
Committer: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
CommitDate: Fri, 21 Nov 2014 09:33:58 -0700
PCI: designware: 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 dw_pcie_msi_chip, not dw_pcie_msi_controller]
Signed-off-by: Yijing Wang <wangyijing@xxxxxxxxxx>
Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>---
drivers/pci/host/pcie-designware.c | 16 +++++-----------
1 file changed, 5 insertions(+), 11 deletions(-)
diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c
index f4decad..5278d3e 100644
--- a/drivers/pci/host/pcie-designware.c
+++ b/drivers/pci/host/pcie-designware.c
@@ -498,6 +498,11 @@ int __init dw_pcie_host_init(struct pcie_port *pp)
val |= PORT_LOGIC_SPEED_CHANGE;
dw_pcie_wr_own_conf(pp, PCIE_LINK_WIDTH_SPEED_CONTROL, 4, val);
+#ifdef CONFIG_PCI_MSI
+ dw_pcie_msi_chip.dev = pp->dev;
+ dw_pci.msi_ctrl = &dw_pcie_msi_chip;
+#endif
+
dw_pci.nr_controllers = 1;
dw_pci.private_data = (void **)&pp;
@@ -747,21 +752,10 @@ static int dw_pcie_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
return irq;
}
-static void dw_pcie_add_bus(struct pci_bus *bus)
-{
- if (IS_ENABLED(CONFIG_PCI_MSI)) {
- struct pcie_port *pp = sys_to_pcie(bus->sysdata);
-
- dw_pcie_msi_chip.dev = pp->dev;
- bus->msi = &dw_pcie_msi_chip;
- }
-}
-
static struct hw_pci dw_pci = {
.setup = dw_pcie_setup,
.scan = dw_pcie_scan_bus,
.map_irq = dw_pcie_map_irq,
- .add_bus = dw_pcie_add_bus,
};
void dw_pcie_setup_rc(struct pcie_port *pp)
--
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