RIO_MAINT_WIN_SIZE
data = (u8 *) priv->maint_win + (offset & (RIO_MAINT_WIN_SIZE - 1));
data = (u8 *) priv->maint_win + (offset & (RIO_MAINT_WIN_SIZE - 1));
0x80077000 | (ilog2(RIO_MAINT_WIN_SIZE) - 1));
RIO_MAINT_WIN_SIZE);