Re: [PATCH v6 1/4] spi: LS7A: Add Loongson LS7A SPI controller driver support

On Mon, Dec 28, 2020 at 10:59:38AM +0800, Qing Zhang wrote: > + if (!!(spi->mode & SPI_CS_HIGH) == enable) > + ls7a_spi_write_reg(ls7a_spi, SFC_SOFTCS, (0x1 << > spi->chip_select) | cs); > + else > + ls7a_spi_write_reg(ls7a_spi, SFC_SOFTCS, (0x11 << > spi->chip_se

Re: [PATCH v6 1/4] spi: LS7A: Add Loongson LS7A SPI controller driver support

Am 28.12.20 um 03:59 schrieb Qing Zhang: > The SPI controller has the following characteristics: > > - Full-duplex synchronous serial data transmission > - Support up to 4 variable length byte transmission > - Main mode support > - Mode failure generates an error flag and issues an interrupt reques