REG_INTERRUPT_STATUS
unsigned int ists = readl(priv->base + REG_INTERRUPT_STATUS);
ufshcd_writel(hba, ufshcd_readl(hba, REG_INTERRUPT_STATUS),
REG_INTERRUPT_STATUS);
intr = ufshcd_readl(hba, REG_INTERRUPT_STATUS);
last_intr_status = intr_status = ufshcd_readl(hba, REG_INTERRUPT_STATUS);
ufshcd_writel(hba, intr_status, REG_INTERRUPT_STATUS);
intr_status = ufshcd_readl(hba, REG_INTERRUPT_STATUS);
intr_status = ufshcd_readl(hba, REG_INTERRUPT_STATUS);
ufshcd_writel(hba, intr_status, REG_INTERRUPT_STATUS);
val = ufshcd_readl(hba, REG_INTERRUPT_STATUS);