Use devm_* API for memory allocation and to get device's clock
to simplify driver's code.
Signed-off-by: Grygorii Strashko <grygorii.strashko@xxxxxx>
---
drivers/net/ethernet/ti/davinci_mdio.c | 21 ++++-----------------
1 file changed, 4 insertions(+), 17 deletions(-)
diff --git a/drivers/net/ethernet/ti/davinci_mdio.c b/drivers/net/ethernet/ti/davinci_mdio.c
index 0cca9de..f0f7128 100644
--- a/drivers/net/ethernet/ti/davinci_mdio.c
+++ b/drivers/net/ethernet/ti/davinci_mdio.c
@@ -321,15 +321,14 @@ static int davinci_mdio_probe(struct platform_device *pdev)
struct phy_device *phy;
int ret, addr;
- data = kzalloc(sizeof(*data), GFP_KERNEL);
+ data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
if (!data)
return -ENOMEM;
- data->bus = mdiobus_alloc();
+ data->bus = devm_mdiobus_alloc(dev, 0);
if (!data->bus) {
dev_err(dev, "failed to alloc mii bus\n");
- ret = -ENOMEM;
- goto bail_out;
+ return -ENOMEM;
}
if (dev->of_node) {
@@ -354,7 +353,7 @@ static int davinci_mdio_probe(struct platform_device *pdev)
pm_runtime_enable(&pdev->dev);
pm_runtime_get_sync(&pdev->dev);
- data->clk = clk_get(&pdev->dev, "fck");
+ data->clk = devm_clk_get(dev, "fck");
if (IS_ERR(data->clk)) {
dev_err(dev, "failed to get device clock\n");
ret = PTR_ERR(data->clk);
@@ -406,16 +405,9 @@ static int davinci_mdio_probe(struct platform_device *pdev)
return 0;
bail_out:
- if (data->bus)
- mdiobus_free(data->bus);
-
- if (data->clk)
- clk_put(data->clk);
pm_runtime_put_sync(&pdev->dev);
pm_runtime_disable(&pdev->dev);
- kfree(data);
-
return ret;
}
@@ -425,16 +417,11 @@ static int davinci_mdio_remove(struct platform_device *pdev)
if (data->bus) {
mdiobus_unregister(data->bus);
- mdiobus_free(data->bus);
}
- if (data->clk)
- clk_put(data->clk);
pm_runtime_put_sync(&pdev->dev);
pm_runtime_disable(&pdev->dev);
- kfree(data);
-
return 0;
}
--
1.7.9.5
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