OFFSET_IMR
imr = gsc_readl(irq_dev->hpa + OFFSET_IMR);
gsc_writel(imr, irq_dev->hpa + OFFSET_IMR);
imr = gsc_readl(irq_dev->hpa + OFFSET_IMR);
gsc_writel(imr, irq_dev->hpa + OFFSET_IMR);
if (gsc_readl(gsc_asic->hpa + OFFSET_IMR))
gsc_readl(gsc_asic->hpa + OFFSET_IMR));
gsc_writel(0x00000000, lasi_base+OFFSET_IMR);
gsc_writel(0x00000000, base+OFFSET_IMR);