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When dwc2 core is in partial power down mode loading driver again causes driver fail. Because in that mode registers are not accessible. Added a flow of exiting the partial power down mode to avoid the driver reload failure. Acked-by: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com> Signed-off-by: Artur Petrosyan <Arthur.Petrosyan@synopsys.com> Link: https://lore.kernel.org/r/20210408094615.8AE35A0094@mailhost.synopsys.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>