SPU_IRQ_ISR
isr = readl_relaxed(ctrl->reg_base + SPU_IRQ_ISR);
tmp = readl_relaxed(ctrl->reg_base + SPU_IRQ_ISR);
writel_relaxed(~isr, ctrl->reg_base + SPU_IRQ_ISR);
} while ((isr = readl_relaxed(ctrl->reg_base + SPU_IRQ_ISR)) & imask);
writel_relaxed(~SPI_IRQ_MASK, reg_base + SPU_IRQ_ISR);
isr = readl_relaxed(reg_base + SPU_IRQ_ISR);
isr = readl_relaxed(reg_base + SPU_IRQ_ISR);
writel_relaxed(~SPI_IRQ_MASK, reg_base + SPU_IRQ_ISR);
u32 isr = readl(fbi->reg_base + SPU_IRQ_ISR);
fbi->reg_base + SPU_IRQ_ISR);