[v1,23/25] PCI: tegra: Request host bridge window resources with core function

Commit Message

Bjorn Helgaas June 6, 2016, 11:07 p.m. UTC

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 <[e-mail]>
---
 drivers/pci/host/pci-tegra.c |   16 ++++------------
 1 file changed, 4 insertions(+), 12 deletions(-)

Patch

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;
 }