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usb: ehci-generic: handle phy power on/off

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Add generic_phy_power_on() and generic_phy_power_off()
calls to switch ON/OFF phy during probe and remove functions.

Signed-off-by: Christophe Kerello <christophe.kerello@st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
This commit is contained in:
Patrice Chotard 2018-03-14 17:48:53 +01:00 • committed by Marek Vasut
parent 2715e32ce1
commit a800a6793f
1 changed files with 17 additions and 0 deletions
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17
drivers/usb/host/ehci-generic.c
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@ -106,6 +106,12 @@ static int ehci_usb_probe(struct udevice *dev)
pr_err("failed to init usb phy\n"); pr_err("failed to init usb phy\n");
goto reset_err; goto reset_err;
} }
err = generic_phy_power_on(&priv->phy);
if (err) {
dev_err(dev, "failed to power on usb phy\n");
goto phy_power_err;
}
} }
hccr = map_physmem(dev_read_addr(dev), 0x100, MAP_NOCACHE); hccr = map_physmem(dev_read_addr(dev), 0x100, MAP_NOCACHE);
@ -119,6 +125,13 @@ static int ehci_usb_probe(struct udevice *dev)
return 0; return 0;
phy_err: phy_err:
if (generic_phy_valid(&priv->phy)) {
ret = generic_phy_power_off(&priv->phy);
if (ret)
dev_err(dev, "failed to power off usb phy\n");
}
phy_power_err:
if (generic_phy_valid(&priv->phy)) { if (generic_phy_valid(&priv->phy)) {
ret = generic_phy_exit(&priv->phy); ret = generic_phy_exit(&priv->phy);
if (ret) if (ret)
@ -147,6 +160,10 @@ static int ehci_usb_remove(struct udevice *dev)
return ret; return ret;
if (generic_phy_valid(&priv->phy)) { if (generic_phy_valid(&priv->phy)) {
ret = generic_phy_power_off(&priv->phy);
if (ret)
return ret;
ret = generic_phy_exit(&priv->phy); ret = generic_phy_exit(&priv->phy);
if (ret) if (ret)
return ret; return ret;