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phy: core: Check requested PHY status in _of_phy_get()

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This is a common checking in various drivers, so move the checking to
_of_phy_get().

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
This commit is contained in:
Axel Lin
2015-04-07 12:23:38 +08:00
committed by Kishon Vijay Abraham I
parent 5bea496820
commit 33f434d283
4 changed files with 10 additions and 17 deletions
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12
drivers/phy/phy-core.c
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@@ -367,13 +367,21 @@ static struct phy *_of_phy_get(struct device_node *np, int index)
phy_provider = of_phy_provider_lookup(args.np);
if (IS_ERR(phy_provider) || !try_module_get(phy_provider->owner)) {
phy = ERR_PTR(-EPROBE_DEFER);
goto err0;
goto out_unlock;
}
if (!of_device_is_available(args.np)) {
dev_warn(phy_provider->dev, "Requested PHY is disabled\n");
phy = ERR_PTR(-ENODEV);
goto out_put_module;
}
phy = phy_provider->of_xlate(phy_provider->dev, &args);
out_put_module:
module_put(phy_provider->owner);
err0:
out_unlock:
mutex_unlock(&phy_provider_mutex);
of_node_put(args.np);