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-rw-r--r--dediprog.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/dediprog.c b/dediprog.c
index 44a0018d8..c99c92256 100644
--- a/dediprog.c
+++ b/dediprog.c
@@ -933,6 +933,7 @@ static int parse_voltage(char *voltage)
static const struct spi_master spi_master_dediprog = {
.type = SPI_CONTROLLER_DEDIPROG,
+ .features = SPI_MASTER_NO_4BA_MODES,
.max_data_read = 16, /* 18 seems to work fine as well, but 19 times out sometimes with FW 5.15. */
.max_data_write = 16,
.command = dediprog_spi_send_command,