M10V_XDDES
val = readl_relaxed(mc->reg_ch_base + M10V_XDDES);
writel_relaxed(val, mc->reg_ch_base + M10V_XDDES);
val = readl(mc->reg_ch_base + M10V_XDDES);
writel(val, mc->reg_ch_base + M10V_XDDES);