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| author | Bjorn Helgaas <bhelgaas@google.com> | 2015-04-09 14:36:52 -0500 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2015-04-09 14:36:52 -0500 |
| commit | e3dc17a53f9649d0a67ec69ec883e781fa9dd920 (patch) | |
| tree | d8c61fcc6d5da36ba3372c63f9a3cf248d16e423 /drivers/pci/host/pci-layerscape.c | |
| parent | c517d838eb7d07bbe9507871fab3931deccff539 (diff) | |
| download | linux-e3dc17a53f9649d0a67ec69ec883e781fa9dd920.tar.gz linux-e3dc17a53f9649d0a67ec69ec883e781fa9dd920.tar.bz2 linux-e3dc17a53f9649d0a67ec69ec883e781fa9dd920.zip | |
PCI: layerscape: Simplify platform_get_resource_byname() failure checking
devm_ioremap_resource() validates the resource it receives, so if we check
for devm_ioremap_resource() failure, we need not check for failure of the
preceding platform_get_resource().
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci/host/pci-layerscape.c')
| -rw-r--r-- | drivers/pci/host/pci-layerscape.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/pci/host/pci-layerscape.c b/drivers/pci/host/pci-layerscape.c index 68c9e5e9b0a8..4a6e62f67579 100644 --- a/drivers/pci/host/pci-layerscape.c +++ b/drivers/pci/host/pci-layerscape.c @@ -127,14 +127,11 @@ static int __init ls_pcie_probe(struct platform_device *pdev) pcie->dev = &pdev->dev; dbi_base = platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs"); - if (!dbi_base) { - dev_err(&pdev->dev, "missing *regs* space\n"); - return -ENODEV; - } - pcie->dbi = devm_ioremap_resource(&pdev->dev, dbi_base); - if (IS_ERR(pcie->dbi)) + if (IS_ERR(pcie->dbi)) { + dev_err(&pdev->dev, "missing *regs* space\n"); return PTR_ERR(pcie->dbi); + } pcie->scfg = syscon_regmap_lookup_by_phandle(pdev->dev.of_node, "fsl,pcie-scfg"); |