[PATCH] usb: ehci-mx6: replace regulator_set_enable with *_if_allowed

[Marek Vasut]

On 5/2/23 08:51, Eugen Hristev wrote:
> regulator_set_enable_if_allowed already handles cases when the
> regulator is already enabled, or already disabled, and does not
> treat these as errors.
> With this change, the driver can work correctly even if the regulator
> is already taken or already disabled by another consumer.

Can that ever happen for Vbus supply (the 5V coming out of USB port) ?
Can you elaborate how ?