[U-Boot] [PATCH v2 2/4] net: designware: Add driver remove support
Bin Meng
bmeng.cn at gmail.com
Thu Oct 8 06:32:38 CEST 2015
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 at gmail.com>
Acked-by: Simon Glass <sjg at chromium.org>
---
Changes in v2: None
drivers/net/designware.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/net/designware.c b/drivers/net/designware.c
index 6433896..a6c39c3 100644
--- a/drivers/net/designware.c
+++ b/drivers/net/designware.c
@@ -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),
--
1.8.2.1
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