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net: designware: Add driver remove support

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In designware_eth_probe(), some additional resources are allocated
(eg: mdio, phy). We should free these in the driver remove phase.
Add designware_eth_remove() to clean it up.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Bin Meng 2015-10-07 21:32:38 -07:00 committed by Joe Hershberger
parent cb6baca77b
commit 5d2459fd46
1 changed files with 12 additions and 0 deletions
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12
drivers/net/designware.c
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@ -613,6 +613,17 @@ static int designware_eth_probe(struct udevice *dev)
return ret;
}
static int designware_eth_remove(struct udevice *dev)
{
struct dw_eth_dev *priv = dev_get_priv(dev);
free(priv->phydev);
mdio_unregister(priv->bus);
mdio_free(priv->bus);
return 0;
}
static const struct eth_ops designware_eth_ops = {
.start = designware_eth_start,
.send = designware_eth_send,
@ -653,6 +664,7 @@ U_BOOT_DRIVER(eth_designware) = {
.ofdata_to_platdata = designware_eth_ofdata_to_platdata,
.bind = designware_eth_bind,
.probe = designware_eth_probe,
.remove = designware_eth_remove,
.ops = &designware_eth_ops,
.priv_auto_alloc_size = sizeof(struct dw_eth_dev),
.platdata_auto_alloc_size = sizeof(struct eth_pdata),