AT91_PMC_BIASEN
AT91_PMC_BIASEN;
regmap_update_bits(udc->pmc, AT91_CKGR_UCKR, AT91_PMC_BIASEN,
is_on ? AT91_PMC_BIASEN : 0);
regmap_update_bits(udc->pmc, AT91_CKGR_UCKR, AT91_PMC_BIASEN, 0);
regmap_update_bits(udc->pmc, AT91_CKGR_UCKR, AT91_PMC_BIASEN,
AT91_PMC_BIASEN);