diff options
| -rw-r--r-- | src/drivers/spi/spi_flash.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/drivers/spi/spi_flash.c b/src/drivers/spi/spi_flash.c index a0e310554a..95362f2618 100644 --- a/src/drivers/spi/spi_flash.c +++ b/src/drivers/spi/spi_flash.c @@ -49,11 +49,14 @@ static int do_spi_flash_cmd(const struct spi_slave *spi, const void *dout, [1] = { .dout = NULL, .bytesout = 0, .din = din, .bytesin = bytes_in }, }; + size_t count = ARRAY_SIZE(vectors); + if (!bytes_in) + count = 1; if (spi_claim_bus(spi)) return ret; - if (spi_xfer_vector(spi, vectors, ARRAY_SIZE(vectors)) == 0) + if (spi_xfer_vector(spi, vectors, count) == 0) ret = 0; spi_release_bus(spi); |