pwrdm_read_mem_pwrst
if (arch_pwrdm && arch_pwrdm->pwrdm_read_mem_pwrst)
ret = arch_pwrdm->pwrdm_read_mem_pwrst(pwrdm, bank);
int (*pwrdm_read_mem_pwrst)(struct powerdomain *pwrdm, u8 bank);
int pwrdm_read_mem_pwrst(struct powerdomain *pwrdm, u8 bank);
.pwrdm_read_mem_pwrst = omap2_pwrdm_read_mem_pwrst,
.pwrdm_read_mem_pwrst = am33xx_pwrdm_read_mem_pwrst,
.pwrdm_read_mem_pwrst = omap2_pwrdm_read_mem_pwrst,
.pwrdm_read_mem_pwrst = omap4_pwrdm_read_mem_pwrst,