of: unittest: simplify getting the adapter of a client

We have a dedicated pointer for that, so use it. Much easier to read and
less computation involved.

Reported-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Rob Herring <robh@kernel.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c
index 3832a5de4602..e6b175370f2e 100644
--- a/drivers/of/unittest.c
+++ b/drivers/of/unittest.c
@@ -1946,7 +1946,7 @@ static int unittest_i2c_mux_probe(struct i2c_client *client,
 {
         int i, nchans;
         struct device *dev = &client->dev;
-        struct i2c_adapter *adap = to_i2c_adapter(dev->parent);
+        struct i2c_adapter *adap = client->adapter;
         struct device_node *np = client->dev.of_node, *child;
         struct i2c_mux_core *muxc;
         u32 reg, max_reg;