psc_init
psc_init();
void psc_init(void);
.psc_init = &da850_psc1_init,
.psc_init = &of_da850_psc1_init,
.psc_init = &da850_psc0_init,
.psc_init = &of_da850_psc0_init,
return init_data->psc_init(dev, base);
int (*psc_init)(struct device *dev, void __iomem *base);