brcmf_chip_get_pmu
pmu = brcmf_chip_get_pmu(pub); /* after reading cc_caps_ext */
struct brcmf_core *pmu = brcmf_chip_get_pmu(pub);
struct brcmf_core *brcmf_chip_get_pmu(struct brcmf_chip *pub);
struct brcmf_core *pmu = brcmf_chip_get_pmu(ci);
reg_addr = CORE_CC_REG(brcmf_chip_get_pmu(bus->ci)->base, pmucontrol);