PRCM_A9_MASK_REQ
u32 val = readl(PRCM_A9_MASK_REQ);
PRCM_A9_MASK_REQ);
readl(PRCM_A9_MASK_REQ);
u32 val = readl(PRCM_A9_MASK_REQ);
writel(val & ~PRCM_A9_MASK_REQ_PRCM_A9_MASK_REQ, PRCM_A9_MASK_REQ);