This patch changes the Marvell MDIO driver to be registered by using both Device Tree and platform device methods. The driver voluntarily does not use devm_ioremap() to share the same error path for Device Tree and non-Device Tree cases. Signed-off-by: Florian Fainelli <florian@xxxxxxxxxxx> --- drivers/net/ethernet/marvell/mvmdio.c | 46 +++++++++++++++++++++++---------- 1 file changed, 33 insertions(+), 13 deletions(-) diff --git a/drivers/net/ethernet/marvell/mvmdio.c b/drivers/net/ethernet/marvell/mvmdio.c index cada794..10c593c 100644 --- a/drivers/net/ethernet/marvell/mvmdio.c +++ b/drivers/net/ethernet/marvell/mvmdio.c @@ -190,6 +190,7 @@ static irqreturn_t orion_mdio_err_irq(int irq, void *dev_id) static int orion_mdio_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; + struct resource *r = NULL; struct mii_bus *bus; struct orion_mdio_dev *dev; int i, ret; @@ -219,18 +220,31 @@ static int orion_mdio_probe(struct platform_device *pdev) bus->irq[i] = PHY_POLL; dev = bus->priv; - dev->regs = of_iomap(pdev->dev.of_node, 0); - if (!dev->regs) { - dev_err(&pdev->dev, "No SMI register address given in DT\n"); - kfree(bus->irq); - mdiobus_free(bus); - return -ENODEV; - } - dev->err_interrupt = NO_IRQ; init_waitqueue_head(&dev->smi_busy_wait); - dev->err_interrupt = irq_of_parse_and_map(pdev->dev.of_node, 0); + if (pdev->dev.of_node) { + dev->regs = of_iomap(pdev->dev.of_node, 0); + if (!dev->regs) { + dev_err(&pdev->dev, "No SMI register address given in DT\n"); + ret = -ENODEV; + goto out_free; + } + + dev->err_interrupt = irq_of_parse_and_map(pdev->dev.of_node, 0); + } else { + r = platform_get_resource(pdev, IORESOURCE_MEM, 0); + + dev->regs = ioremap(r->start, resource_size(r)); + if (!dev->regs) { + dev_err(&pdev->dev, "No SMI register address given\n"); + ret = -ENODEV; + goto out_free; + } + + dev->err_interrupt = platform_get_irq(pdev, 0); + } + if (dev->err_interrupt != NO_IRQ) { ret = devm_request_irq(&pdev->dev, dev->err_interrupt, orion_mdio_err_irq, @@ -242,18 +256,24 @@ static int orion_mdio_probe(struct platform_device *pdev) mutex_init(&dev->lock); - ret = of_mdiobus_register(bus, np); + if (np) + ret = of_mdiobus_register(bus, np); + else + ret = mdiobus_register(bus); if (ret < 0) { dev_err(&pdev->dev, "Cannot register MDIO bus (%d)\n", ret); iounmap(dev->regs); - kfree(bus->irq); - mdiobus_free(bus); - return ret; + goto out_free; } platform_set_drvdata(pdev, bus); return 0; + +out_free: + kfree(bus->irq); + mdiobus_free(bus); + return ret; } static int orion_mdio_remove(struct platform_device *pdev) -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html