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usb: ehci-mx6: Turn off Vbus on probe failure

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The driver turns on Vbus regulator in probe, but fails to turn it back
off in case of probe failure. Add the missing code.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Ye Li <ye.li@nxp.com>
Cc: uboot-imx <uboot-imx@nxp.com>
This commit is contained in:
Marek Vasut 2021-03-31 12:19:27 +02:00
parent f174a0dbce
commit 7e1f1e16fe
1 changed files with 27 additions and 2 deletions
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29
drivers/usb/host/ehci-mx6.c
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@ -640,7 +640,32 @@ static int ehci_usb_probe(struct udevice *dev)
hcor = (struct ehci_hcor *)((uint32_t)hccr +
HC_LENGTH(ehci_readl(&(hccr)->cr_capbase)));
return ehci_register(dev, hccr, hcor, &mx6_ehci_ops, 0, priv->init_type);
ret = ehci_register(dev, hccr, hcor, &mx6_ehci_ops, 0, priv->init_type);
if (ret)
goto err_regulator;
return ret;
err_regulator:
#if CONFIG_IS_ENABLED(DM_REGULATOR)
if (priv->vbus_supply)
regulator_set_enable(priv->vbus_supply, false);
#endif
return ret;
}
int ehci_usb_remove(struct udevice *dev)
{
struct ehci_mx6_priv_data *priv __maybe_unused = dev_get_priv(dev);
ehci_deregister(dev);
#if CONFIG_IS_ENABLED(DM_REGULATOR)
if (priv->vbus_supply)
regulator_set_enable(priv->vbus_supply, false);
#endif
return 0;
}
static const struct udevice_id mx6_usb_ids[] = {
@ -655,7 +680,7 @@ U_BOOT_DRIVER(usb_mx6) = {
.of_to_plat = ehci_usb_of_to_plat,
.bind = ehci_usb_bind,
.probe = ehci_usb_probe,
.remove = ehci_deregister,
.remove = ehci_usb_remove,
.ops = &ehci_usb_ops,
.plat_auto = sizeof(struct usb_plat),
.priv_auto = sizeof(struct ehci_mx6_priv_data),