diff options
Diffstat (limited to 'drivers/spi/spi-mem.c')
| -rw-r--r-- | drivers/spi/spi-mem.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/spi/spi-mem.c b/drivers/spi/spi-mem.c index 62a7b80801d2..5e15d62775e9 100644 --- a/drivers/spi/spi-mem.c +++ b/drivers/spi/spi-mem.c @@ -12,7 +12,7 @@ #include "internals.h" -#define SPI_MEM_MAX_BUSWIDTH 4 +#define SPI_MEM_MAX_BUSWIDTH 8 /** * spi_controller_dma_map_mem_op_data() - DMA-map the buffer attached to a @@ -121,6 +121,13 @@ static int spi_check_buswidth_req(struct spi_mem *mem, u8 buswidth, bool tx) break; + case 8: + if ((tx && (mode & SPI_TX_OCTAL)) || + (!tx && (mode & SPI_RX_OCTAL))) + return 0; + + break; + default: break; } |