luck/tmp_suning_uos_patched
1
0
Fork 1
Code Issues Pull Requests Packages Projects Releases Wiki Activity

PCI: layerscape: Simplify platform_get_resource_byname() failure checking

Browse Source 
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>
This commit is contained in:
Bjorn Helgaas 2015-04-09 14:36:52 -05:00
parent c517d838eb
commit e3dc17a53f
1 changed files with 3 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/pci/host/pci-layerscape.c
View File

@ -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");