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PCI: iproc: Use of_device_get_match_data() to simplify probe 

The only way to call iproc_pcie_pltfm_probe() is to match an entry in
iproc_pcie_of_match_table[], so match cannot be NULL.

Use of_device_get_match_data() to retrieve the pcie->type.  No functional
change intended.

Based-on-suggestion-from: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Bjorn Helgaas 2017-01-31 16:36:32 -06:00
parent 7ce7d89f48
commit e5c3b3e9f0
1 changed files with 1 additions and 6 deletions
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7
drivers/pci/host/pcie-iproc-platform.c
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@ -47,7 +47,6 @@ MODULE_DEVICE_TABLE(of, iproc_pcie_of_match_table);
static int iproc_pcie_pltfm_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
const struct of_device_id *of_id;
struct iproc_pcie *pcie;
struct device_node *np = dev->of_node;
struct resource reg;
@ -55,16 +54,12 @@ static int iproc_pcie_pltfm_probe(struct platform_device *pdev)
LIST_HEAD(res);
int ret;
of_id = of_match_device(iproc_pcie_of_match_table, dev);
if (!of_id)
return -EINVAL;
pcie = devm_kzalloc(dev, sizeof(*pcie), GFP_KERNEL);
if (!pcie)
return -ENOMEM;
pcie->dev = dev;
pcie->type = (enum iproc_pcie_type)of_id->data;
pcie->type = (enum iproc_pcie_type) of_device_get_match_data(dev);
ret = of_address_to_resource(np, 0, &reg);
if (ret < 0) {