pmu_init
static int pmu_init(void);
.init = pmu_init,
if (pmu_context->pmu_data && pmu_context->pmu_data->pmu_init)
pmu_context->pmu_data->pmu_init();
void (*pmu_init)(void);
.pmu_init = exynos3250_pmu_init,
.pmu_init = exynos5250_pmu_init,
.pmu_init = exynos5420_pmu_init,