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Diffstat (limited to 'drivers/base/regmap/regmap-spi.c')
-rw-r--r--drivers/base/regmap/regmap-spi.c3
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;