MMC_I_MASK
writel(host->imask, host->base + MMC_I_MASK);
writel(host->imask, host->base + MMC_I_MASK);
ireg = readl(host->base + MMC_I_REG) & ~readl(host->base + MMC_I_MASK);
writel(host->imask, host->base + MMC_I_MASK);
host->base + MMC_I_MASK);