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net: pch_gbe: Add driver remove support 

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

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
This commit is contained in:
Bin Meng 2015-10-07 21:32:39 -07:00 committed by Joe Hershberger
parent 5d2459fd46
commit 3f616b6053
1 changed files with 12 additions and 0 deletions
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12
drivers/net/pch_gbe.c
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@ -452,6 +452,17 @@ int pch_gbe_probe(struct udevice *dev)
return pch_gbe_phy_init(dev);
}
int pch_gbe_remove(struct udevice *dev)
{
struct pch_gbe_priv *priv = dev_get_priv(dev);
free(priv->phydev);
mdio_unregister(priv->bus);
mdio_free(priv->bus);
return 0;
}
static const struct eth_ops pch_gbe_ops = {
.start = pch_gbe_start,
.send = pch_gbe_send,
@ -470,6 +481,7 @@ U_BOOT_DRIVER(eth_pch_gbe) = {
.id = UCLASS_ETH,
.of_match = pch_gbe_ids,
.probe = pch_gbe_probe,
.remove = pch_gbe_remove,
.ops = &pch_gbe_ops,
.priv_auto_alloc_size = sizeof(struct pch_gbe_priv),
.platdata_auto_alloc_size = sizeof(struct eth_pdata),