diff options
Diffstat (limited to 'drivers/i2c/i2c-mux.c')
| -rw-r--r-- | drivers/i2c/i2c-mux.c | 24 |
1 files changed, 1 insertions, 23 deletions
diff --git a/drivers/i2c/i2c-mux.c b/drivers/i2c/i2c-mux.c index 57ff09f18c37..fda72e8be885 100644 --- a/drivers/i2c/i2c-mux.c +++ b/drivers/i2c/i2c-mux.c @@ -127,19 +127,6 @@ static u32 i2c_mux_functionality(struct i2c_adapter *adap) return parent->algo->functionality(parent); } -/* Return all parent classes, merged */ -static unsigned int i2c_mux_parent_classes(struct i2c_adapter *parent) -{ - unsigned int class = 0; - - do { - class |= parent->class; - parent = i2c_parent_is_i2c_adapter(parent); - } while (parent); - - return class; -} - static void i2c_mux_lock_bus(struct i2c_adapter *adapter, unsigned int flags) { struct i2c_mux_priv *priv = adapter->algo_data; @@ -281,8 +268,7 @@ static const struct i2c_lock_operations i2c_parent_lock_ops = { }; int i2c_mux_add_adapter(struct i2c_mux_core *muxc, - u32 force_nr, u32 chan_id, - unsigned int class) + u32 force_nr, u32 chan_id) { struct i2c_adapter *parent = muxc->parent; struct i2c_mux_priv *priv; @@ -340,14 +326,6 @@ int i2c_mux_add_adapter(struct i2c_mux_core *muxc, else priv->adap.lock_ops = &i2c_parent_lock_ops; - /* Sanity check on 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); - else - priv->adap.class = class; - /* * Try to populate the mux adapter's of_node, expands to * nothing if !CONFIG_OF. |