diff options
Diffstat (limited to 'drivers/pci/host/pcie-altera.c')
| -rw-r--r-- | drivers/pci/host/pcie-altera.c | 35 |
1 files changed, 11 insertions, 24 deletions
diff --git a/drivers/pci/host/pcie-altera.c b/drivers/pci/host/pcie-altera.c index dbac6fb3f0bd..cf20c67a48f8 100644 --- a/drivers/pci/host/pcie-altera.c +++ b/drivers/pci/host/pcie-altera.c @@ -415,11 +415,6 @@ static void altera_pcie_isr(struct irq_desc *desc) chained_irq_exit(chip, desc); } -static void altera_pcie_release_of_pci_ranges(struct altera_pcie *pcie) -{ - pci_free_resource_list(&pcie->resources); -} - static int altera_pcie_parse_request_of_pci_ranges(struct altera_pcie *pcie) { int err, res_valid = 0; @@ -432,33 +427,25 @@ static int altera_pcie_parse_request_of_pci_ranges(struct altera_pcie *pcie) if (err) return err; + err = devm_request_pci_bus_resources(dev, &pcie->resources); + if (err) + goto out_release_res; + resource_list_for_each_entry(win, &pcie->resources) { - struct resource *parent, *res = win->res; + struct resource *res = win->res; - switch (resource_type(res)) { - case IORESOURCE_MEM: - parent = &iomem_resource; + if (resource_type(res) == IORESOURCE_MEM) res_valid |= !(res->flags & IORESOURCE_PREFETCH); - break; - default: - continue; - } - - err = devm_request_resource(dev, parent, res); - if (err) - goto out_release_res; } - if (!res_valid) { - dev_err(dev, "non-prefetchable memory resource required\n"); - err = -EINVAL; - goto out_release_res; - } + if (res_valid) + return 0; - return 0; + dev_err(dev, "non-prefetchable memory resource required\n"); + err = -EINVAL; out_release_res: - altera_pcie_release_of_pci_ranges(pcie); + pci_free_resource_list(&pcie->resources); return err; } |