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net: macb: Add remove callback

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To avoid the failure of mdio_register(), add the remove callback
to unregister the mii_dev when removing the ethernet device.

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Fixed up unused variable warning, e.g. for gurnard:
Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Wenyou Yang 2017-04-14 14:36:04 +08:00 committed by Simon Glass
parent 1c0ac8222a
commit 1870d4d7bd
1 changed files with 31 additions and 17 deletions
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48
drivers/net/macb.c
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@ -111,6 +111,9 @@ struct macb_device {
#endif
unsigned short phy_addr;
struct mii_dev *bus;
#ifdef CONFIG_PHYLIB
struct phy_device *phydev;
#endif
#ifdef CONFIG_DM_ETH
#ifdef CONFIG_CLK
@ -478,9 +481,6 @@ static int macb_phy_init(struct macb_device *macb, const char *name)
{
#ifdef CONFIG_DM_ETH
struct macb_device *macb = dev_get_priv(dev);
#endif
#ifdef CONFIG_PHYLIB
struct phy_device *phydev;
#endif
u32 ncfgr;
u16 phy_id, status, adv, lpa;
@ -503,19 +503,19 @@ static int macb_phy_init(struct macb_device *macb, const char *name)
#ifdef CONFIG_PHYLIB
#ifdef CONFIG_DM_ETH
phydev = phy_connect(macb->bus, macb->phy_addr, dev,
macb->phydev = phy_connect(macb->bus, macb->phy_addr, dev,
macb->phy_interface);
#else
/* need to consider other phy interface mode */
phydev = phy_connect(macb->bus, macb->phy_addr, &macb->netdev,
macb->phydev = phy_connect(macb->bus, macb->phy_addr, &macb->netdev,
PHY_INTERFACE_MODE_RGMII);
#endif
if (!phydev) {
if (!macb->phydev) {
printf("phy_connect failed\n");
return -ENODEV;
}
phy_config(phydev);
phy_config(macb->phydev);
#endif
status = macb_mdio_read(macb, MII_BMSR);
@ -1035,6 +1035,7 @@ static int macb_eth_probe(struct udevice *dev)
struct eth_pdata *pdata = dev_get_platdata(dev);
struct macb_device *macb = dev_get_priv(dev);
const char *phy_mode;
__maybe_unused int ret;
phy_mode = fdt_getprop(gd->fdt_blob, dev_of_offset(dev), "phy-mode",
NULL);
@ -1048,7 +1049,7 @@ static int macb_eth_probe(struct udevice *dev)
macb->regs = (void *)pdata->iobase;
#ifdef CONFIG_CLK
int ret = macb_enable_clk(dev);
ret = macb_enable_clk(dev);
if (ret)
return ret;
#endif
@ -1056,23 +1057,35 @@ static int macb_eth_probe(struct udevice *dev)
_macb_eth_initialize(macb);
#if defined(CONFIG_CMD_MII) || defined(CONFIG_PHYLIB)
int retval;
struct mii_dev *mdiodev = mdio_alloc();
if (!mdiodev)
macb->bus = mdio_alloc();
if (!macb->bus)
return -ENOMEM;
strncpy(mdiodev->name, dev->name, MDIO_NAME_LEN);
mdiodev->read = macb_miiphy_read;
mdiodev->write = macb_miiphy_write;
strncpy(macb->bus->name, dev->name, MDIO_NAME_LEN);
macb->bus->read = macb_miiphy_read;
macb->bus->write = macb_miiphy_write;
retval = mdio_register(mdiodev);
if (retval < 0)
return retval;
ret = mdio_register(macb->bus);
if (ret < 0)
return ret;
macb->bus = miiphy_get_dev_by_name(dev->name);
#endif
return 0;
}
static int macb_eth_remove(struct udevice *dev)
{
struct macb_device *macb = dev_get_priv(dev);
#ifdef CONFIG_PHYLIB
free(macb->phydev);
#endif
mdio_unregister(macb->bus);
mdio_free(macb->bus);
return 0;
}
static int macb_eth_ofdata_to_platdata(struct udevice *dev)
{
struct eth_pdata *pdata = dev_get_platdata(dev);
@ -1092,6 +1105,7 @@ U_BOOT_DRIVER(eth_macb) = {
.of_match = macb_eth_ids,
.ofdata_to_platdata = macb_eth_ofdata_to_platdata,
.probe = macb_eth_probe,
.remove = macb_eth_remove,
.ops = &macb_eth_ops,
.priv_auto_alloc_size = sizeof(struct macb_device),
.platdata_auto_alloc_size = sizeof(struct eth_pdata),