From: Vignesh R Date: Tue, 5 Feb 2019 05:59:12 +0000 (+0530) Subject: spi: spi-mem: Allow use of spi_mem_exec_op for all SPI modes X-Git-Tag: v2019.04-rc1~2^2~17 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=6d373e523f899c5a8f8808327215e3b9eb3f92f4;p=oweals%2Fu-boot.git spi: spi-mem: Allow use of spi_mem_exec_op for all SPI modes SPI controllers support all types of SPI modes including dual/quad bus widths. Therefore remove constraint wrt SPI mode from spi-mem layer. Signed-off-by: Vignesh R Tested-by: Simon Goldschmidt Tested-by: Stefan Roese Tested-by: Horatiu Vultur Reviewed-by: Jagan Teki Tested-by: Jagan Teki #zynq-microzed --- diff --git a/drivers/spi/spi-mem.c b/drivers/spi/spi-mem.c index af9aef009a..1da20b8de5 100644 --- a/drivers/spi/spi-mem.c +++ b/drivers/spi/spi-mem.c @@ -323,15 +323,6 @@ int spi_mem_exec_op(struct spi_slave *slave, const struct spi_mem_op *op) return -EIO; #else - /* U-Boot does not support parallel SPI data lanes */ - if ((op->cmd.buswidth != 1) || - (op->addr.nbytes && op->addr.buswidth != 1) || - (op->dummy.nbytes && op->dummy.buswidth != 1) || - (op->data.nbytes && op->data.buswidth != 1)) { - printf("Dual/Quad raw SPI transfers not supported\n"); - return -ENOTSUPP; - } - if (op->data.nbytes) { if (op->data.dir == SPI_MEM_DATA_IN) rx_buf = op->data.buf.in;