LCD_SPU_IRQ_ISR
if (readl_relaxed(dcrtc->base + LCD_SPU_IRQ_ISR) & mask)
writel(0, dcrtc->base + LCD_SPU_IRQ_ISR);
u32 v, stat = readl_relaxed(dcrtc->base + LCD_SPU_IRQ_ISR);
writel_relaxed(0, dcrtc->base + LCD_SPU_IRQ_ISR);
readl_relaxed(dcrtc->base + LCD_SPU_IRQ_ISR);
writel_relaxed(0, dcrtc->base + LCD_SPU_IRQ_ISR);