LOONGSON_SPI_SPCR_REG
val = loongson_spi_read_reg(loongson_spi_dev, LOONGSON_SPI_SPCR_REG);
loongson_spi_write_reg(loongson_spi_dev, LOONGSON_SPI_SPCR_REG, val);
val = loongson_spi_read_reg(loongson_spi_dev, LOONGSON_SPI_SPCR_REG);
loongson_spi_write_reg(loongson_spi_dev, LOONGSON_SPI_SPCR_REG, val);
loongson_spi->spcr = loongson_spi_read_reg(loongson_spi, LOONGSON_SPI_SPCR_REG);
loongson_spi_write_reg(loongson_spi, LOONGSON_SPI_SPCR_REG, loongson_spi->spcr);
val = loongson_spi_read_reg(loongson_spi, LOONGSON_SPI_SPCR_REG);
loongson_spi_write_reg(loongson_spi, LOONGSON_SPI_SPCR_REG, val |
val = loongson_spi_read_reg(loongson_spi, LOONGSON_SPI_SPCR_REG);
loongson_spi_write_reg(loongson_spi, LOONGSON_SPI_SPCR_REG, val);