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Commit 9728e1a7 authored by Grygorii Strashko's avatar Grygorii Strashko Committed by David S. Miller
Browse files

net: davinci_mdio: simplify IO memory mapping 



Simplify IO memory mapping by using devm_ioremap_resource()
which will do all errors handling and reporting for us.

Acked-and-tested-by: default avatarLad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: default avatarGrygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 4e8b4c80

drivers/net/ethernet/ti/davinci_mdio.c

+3 −18
Original line number Diff line number Diff line
@@ -363,24 +363,9 @@ static int davinci_mdio_probe(struct platform_device *pdev) 
	spin_lock_init(&data->lock);



	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);

	if (!res) {

		dev_err(dev, "could not find register map resource\n");

		ret = -ENOENT;

		goto bail_out;

	}



	res = devm_request_mem_region(dev, res->start, resource_size(res),

					    dev_name(dev));

	if (!res) {

		dev_err(dev, "could not allocate register map resource\n");

		ret = -ENXIO;

		goto bail_out;

	}



	data->regs = devm_ioremap_nocache(dev, res->start, resource_size(res));

	if (!data->regs) {

		dev_err(dev, "could not map mdio registers\n");

		ret = -ENOMEM;

	data->regs = devm_ioremap_resource(dev, res);

	if (IS_ERR(data->regs)) {

		ret = PTR_ERR(data->regs);

		goto bail_out;

	}