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staging: mt7621-pci-phy: use 'platform_get_resource'

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Driver is using 'of_address_to_resource' to get memory resources.
Make use of 'platform_get_resource' instead which is more accurate
for a platform driver. This also makes possible to delete a local
variable which is not needed anymore.

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sergio Paracuellos 2019-04-17 13:58:35 +02:00 committed by Greg Kroah-Hartman
parent 9c5d9e572e
commit fc1e669ad1
1 changed files with 5 additions and 6 deletions
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11
drivers/staging/mt7621-pci-phy/pci-mt7621-phy.c
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@ -308,11 +308,10 @@ static struct phy *mt7621_pcie_phy_of_xlate(struct device *dev,
static int mt7621_pci_phy_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct device_node *np = dev->of_node;
struct device_node *child_np;
struct phy_provider *provider;
struct mt7621_pci_phy *phy;
struct resource res;
struct resource *res;
int port, ret;
void __iomem *port_base;
@ -329,13 +328,13 @@ static int mt7621_pci_phy_probe(struct platform_device *pdev)
phy->dev = dev;
platform_set_drvdata(pdev, phy);
ret = of_address_to_resource(np, 0, &res);
if (ret) {
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(dev, "failed to get address resource\n");
return ret;
return -ENXIO;
}
port_base = devm_ioremap_resource(dev, &res);
port_base = devm_ioremap_resource(dev, res);
if (IS_ERR(port_base)) {
dev_err(dev, "failed to remap phy regs\n");
return PTR_ERR(port_base);