1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/base/regmap/regmap-spi.c b/drivers/base/regmap/regmap-spi.c
index 4c506bd940f3..37f12ae7aada 100644
--- a/drivers/base/regmap/regmap-spi.c
+++ b/drivers/base/regmap/regmap-spi.c
@@ -73,7 +73,8 @@ static int regmap_spi_async_write(void *context,
 
         spi_message_init(&async->m);
         spi_message_add_tail(&async->t[0], &async->m);
-        spi_message_add_tail(&async->t[1], &async->m);
+        if (val)
+                spi_message_add_tail(&async->t[1], &async->m);
 
         async->m.complete = regmap_spi_complete;
         async->m.context = async;