Simplify IO memory mapping by using devm_ioremap_resource()
which will do all errors handling and reporting for us.
Cc: Florian Fainelli <f.fainelli@xxxxxxxxx>
Signed-off-by: Grygorii Strashko <grygorii.strashko@xxxxxx>
---
drivers/net/ethernet/ti/davinci_mdio.c | 21 +++------------------
1 file changed, 3 insertions(+), 18 deletions(-)
diff --git a/drivers/net/ethernet/ti/davinci_mdio.c b/drivers/net/ethernet/ti/davinci_mdio.c
index 98d53a3..87e9f20 100644
--- a/drivers/net/ethernet/ti/davinci_mdio.c
+++ b/drivers/net/ethernet/ti/davinci_mdio.c
@@ -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;
}
--
1.7.9.5
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