From: Heiner Kallweit <hkallweit1@xxxxxxxxx> [ Upstream commit b13e59e74ff71a1004e0508107e91e9a84fd7388 ] I2C_CLASS_DEPRECATED is a flag and not an actual class. There's nothing speaking against both, parent and child, having I2C_CLASS_DEPRECATED set. Therefore exclude it from the check. Signed-off-by: Heiner Kallweit <hkallweit1@xxxxxxxxx> Acked-by: Peter Rosin <peda@xxxxxxxxxx> Signed-off-by: Wolfram Sang <wsa@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/i2c/i2c-mux.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/i2c/i2c-mux.c b/drivers/i2c/i2c-mux.c index 774507b54b57b..c90cec8d9656d 100644 --- a/drivers/i2c/i2c-mux.c +++ b/drivers/i2c/i2c-mux.c @@ -340,7 +340,7 @@ int i2c_mux_add_adapter(struct i2c_mux_core *muxc, priv->adap.lock_ops = &i2c_parent_lock_ops; /* Sanity check on class */ - if (i2c_mux_parent_classes(parent) & class) + if (i2c_mux_parent_classes(parent) & class & ~I2C_CLASS_DEPRECATED) dev_err(&parent->dev, "Segment %d behind mux can't share classes with ancestors\n", chan_id); -- 2.40.1
