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Subject[PATCH v1 23/25] PCI: tegra: Request host bridge window resources with core function
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Date
Use devm_request_pci_bus_resources() to request host bridge window
resources instead of doing it by hand in the driver.

No functional change intended.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
---
drivers/pci/host/pci-tegra.c | 16 ++++------------
1 file changed, 4 insertions(+), 12 deletions(-)

diff --git a/drivers/pci/host/pci-tegra.c b/drivers/pci/host/pci-tegra.c
index 920a899..048a35e 100644
--- a/drivers/pci/host/pci-tegra.c
+++ b/drivers/pci/host/pci-tegra.c
@@ -626,17 +626,7 @@ static int tegra_pcie_setup(int nr, struct pci_sys_data *sys)
if (err < 0)
return err;

- err = devm_request_resource(pcie->dev, &ioport_resource, &pcie->pio);
- if (err < 0)
- return err;
-
- err = devm_request_resource(pcie->dev, &iomem_resource, &pcie->mem);
- if (err < 0)
- return err;
-
- err = devm_request_resource(pcie->dev, &iomem_resource, &pcie->prefetch);
- if (err)
- return err;
+ pci_ioremap_io(pcie->pio.start, pcie->io.start);

pci_add_resource_offset(&sys->resources, &pcie->pio, sys->io_offset);
pci_add_resource_offset(&sys->resources, &pcie->mem, sys->mem_offset);
@@ -644,7 +634,9 @@ static int tegra_pcie_setup(int nr, struct pci_sys_data *sys)
sys->mem_offset);
pci_add_resource(&sys->resources, &pcie->busn);

- pci_ioremap_io(pcie->pio.start, pcie->io.start);
+ err = devm_request_pci_bus_resources(&pcie->dev, &sys->resources);
+ if (err < 0)
+ return err;

return 1;
}
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