phy-sun4i-usb: Add workaround for missing Vbus det interrupts on A31
The A31 companion pmic (axp221) does not generate vbus change interrupts when the board is driving vbus, so we must poll when using the pmic for vbus-det _and_ we're driving vbus. Signed-off-by: NHans de Goede <hdegoede@redhat.com> Acked-by: NKishon Vijay Abraham I <kishon@ti.com> Signed-off-by: NKishon Vijay Abraham I <kishon@ti.com>
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