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path: root/drivers/pci/host/pcie-designware.c
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Diffstat (limited to 'drivers/pci/host/pcie-designware.c')
-rw-r--r--drivers/pci/host/pcie-designware.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c
index 69486be71..52aa6e340 100644
--- a/drivers/pci/host/pcie-designware.c
+++ b/drivers/pci/host/pcie-designware.c
@@ -255,7 +255,7 @@ static void dw_pcie_msi_set_irq(struct pcie_port *pp, int irq)
static int assign_irq(int no_irqs, struct msi_desc *desc, int *pos)
{
int irq, pos0, i;
- struct pcie_port *pp = sys_to_pcie(desc->dev->bus->sysdata);
+ struct pcie_port *pp = sys_to_pcie(msi_desc_to_pci_sysdata(desc));
pos0 = bitmap_find_free_region(pp->msi_irq_in_use, MAX_MSI_IRQS,
order_base_2(no_irqs));
@@ -326,8 +326,8 @@ static int dw_msi_setup_irq(struct msi_controller *chip, struct pci_dev *pdev,
static void dw_msi_teardown_irq(struct msi_controller *chip, unsigned int irq)
{
struct irq_data *data = irq_get_irq_data(irq);
- struct msi_desc *msi = irq_data_get_msi(data);
- struct pcie_port *pp = sys_to_pcie(msi->dev->bus->sysdata);
+ struct msi_desc *msi = irq_data_get_msi_desc(data);
+ struct pcie_port *pp = sys_to_pcie(msi_desc_to_pci_sysdata(msi));
clear_irq_range(pp, irq, 1, data->hwirq);
}
@@ -350,7 +350,6 @@ static int dw_pcie_msi_map(struct irq_domain *domain, unsigned int irq,
{
irq_set_chip_and_handler(irq, &dw_msi_irq_chip, handle_simple_irq);
irq_set_chip_data(irq, domain->host_data);
- set_irq_flags(irq, IRQF_VALID);
return 0;
}
@@ -388,7 +387,7 @@ int dw_pcie_host_init(struct pcie_port *pp)
addrp = of_get_address(np, index, NULL, NULL);
pp->cfg0_mod_base = of_read_number(addrp, ns);
pp->cfg1_mod_base = pp->cfg0_mod_base + pp->cfg0_size;
- } else {
+ } else if (!pp->va_cfg0_base) {
dev_err(pp->dev, "missing *config* reg space\n");
}
@@ -526,7 +525,6 @@ int dw_pcie_host_init(struct pcie_port *pp)
#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;
@@ -708,8 +706,15 @@ static struct pci_bus *dw_pcie_scan_bus(int nr, struct pci_sys_data *sys)
struct pcie_port *pp = sys_to_pcie(sys);
pp->root_bus_nr = sys->busnr;
- bus = pci_scan_root_bus(pp->dev, sys->busnr,
- &dw_pcie_ops, sys, &sys->resources);
+
+ if (IS_ENABLED(CONFIG_PCI_MSI))
+ bus = pci_scan_root_bus_msi(pp->dev, sys->busnr, &dw_pcie_ops,
+ sys, &sys->resources,
+ &dw_pcie_msi_chip);
+ else
+ bus = pci_scan_root_bus(pp->dev, sys->busnr, &dw_pcie_ops,
+ sys, &sys->resources);
+
if (!bus)
return NULL;