diff options
| author | Vignesh R <vigneshr@ti.com> | 2019-02-05 08:59:12 +0300 |
|---|---|---|
| committer | Jagan Teki <jagan@amarulasolutions.com> | 2019-02-07 13:03:21 +0300 |
| commit | 6d373e523f899c5a8f8808327215e3b9eb3f92f4 (patch) | |
| tree | e0a700c4cb05f3b3b00753af71e0466882bdcae6 /drivers/spi/spi-mem.c | |
| parent | e519c616061db4a388bb3ed765eab8c61a9571bc (diff) | |
| download | u-boot-6d373e523f899c5a8f8808327215e3b9eb3f92f4.tar.xz | |
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 <vigneshr@ti.com>
Tested-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
Tested-by: Stefan Roese <sr@denx.de>
Tested-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Reviewed-by: Jagan Teki <jagan@openedev.com>
Tested-by: Jagan Teki <jagan@amarulasolutions.com> #zynq-microzed
Diffstat (limited to 'drivers/spi/spi-mem.c')
| -rw-r--r-- | drivers/spi/spi-mem.c | 9 |
1 files changed, 0 insertions, 9 deletions
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; |