SP7021_FINISH_FLAG
if (fd_status & SP7021_FINISH_FLAG || tx_len == pspim->tx_cur_len) {
writel(SP7021_FINISH_FLAG, pspim->m_base + SP7021_SPI_STATUS_REG);
if (reg_temp & SP7021_FINISH_FLAG) {
writel(SP7021_FINISH_FLAG, pspim->m_base + SP7021_SPI_STATUS_REG);