[U-Boot] [RFC PATCH v2 01/11] spi: spi-mem: Allow use of spi_mem_exec_op for all SPI modes
Vignesh R
vigneshr at ti.com
Tue Dec 4 12:26:49 UTC 2018
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 at ti.com>
---
drivers/spi/spi-mem.c | 9 ---------
1 file changed, 9 deletions(-)
diff --git a/drivers/spi/spi-mem.c b/drivers/spi/spi-mem.c
index af9aef009a73..1da20b8de5c4 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;
--
2.19.2
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