drivers/i2c/i2c-mux.c

44 	struct i2c_adapter *parent = muxc->parent;
51 		ret = __i2c_transfer(parent, msgs, num);
63 	struct i2c_adapter *parent = muxc->parent;
70 		ret = i2c_transfer(parent, msgs, num);
84 	struct i2c_adapter *parent = muxc->parent;
91 		ret = __i2c_smbus_xfer(parent, addr, flags,
106 	struct i2c_adapter *parent = muxc->parent;
113 		ret = i2c_smbus_xfer(parent, addr, flags,
121 /* Return the parent's functionality */
125 	struct i2c_adapter *parent = priv->muxc->parent;
127 	return parent->algo->functionality(parent);
133 	struct i2c_adapter *parent = priv->muxc->parent;
135 	rt_mutex_lock_nested(&parent->mux_lock, i2c_adapter_depth(adapter));
138 	i2c_lock_bus(parent, flags);
144 	struct i2c_adapter *parent = priv->muxc->parent;
146 	if (!rt_mutex_trylock(&parent->mux_lock))
150 	if (i2c_trylock_bus(parent, flags))
151 		return 1;	/* parent locked too, success */
152 	rt_mutex_unlock(&parent->mux_lock);
153 	return 0;		/* parent not locked, failure */
159 	struct i2c_adapter *parent = priv->muxc->parent;
162 		i2c_unlock_bus(parent, flags);
163 	rt_mutex_unlock(&parent->mux_lock);
170 	struct i2c_adapter *parent = priv->muxc->parent;
172 	rt_mutex_lock_nested(&parent->mux_lock, i2c_adapter_depth(adapter));
173 	i2c_lock_bus(parent, flags);
180 	struct i2c_adapter *parent = priv->muxc->parent;
182 	if (!rt_mutex_trylock(&parent->mux_lock))
184 	if (i2c_trylock_bus(parent, flags))
185 		return 1;	/* parent locked too, success */
186 	rt_mutex_unlock(&parent->mux_lock);
187 	return 0;		/* parent not locked, failure */
194 	struct i2c_adapter *parent = priv->muxc->parent;
196 	i2c_unlock_bus(parent, flags);
197 	rt_mutex_unlock(&parent->mux_lock);
210 	for (i2c = dev; i2c; i2c = i2c->parent) {
226 struct i2c_mux_core *i2c_mux_alloc(struct i2c_adapter *parent,
242 	muxc->parent = parent;
273 	struct i2c_adapter *parent = muxc->parent;
294 	if (parent->algo->master_xfer) {
300 	if (parent->algo->master_xfer_atomic)
303 	if (parent->algo->smbus_xfer) {
309 	if (parent->algo->smbus_xfer_atomic)
316 		 "i2c-%d-mux (chan_id %d)", i2c_adapter_id(parent), chan_id);
320 	priv->adap.dev.parent = &parent->dev;
321 	priv->adap.retries = parent->retries;
322 	priv->adap.timeout = parent->timeout;
323 	priv->adap.quirks = parent->quirks;
384 			dev_err(&parent->dev,
392 			dev_err(&parent->dev,
407 	dev_info(&parent->dev, "Added multiplexed i2c bus %d\n",