i2c: Add a struct device * parameter to i2c_add_mux_adapter()

And adjust all callers.

The new device parameter is used in the next patch to initialize the
mux's of_node so that its children may be automatically populated.

Signed-off-by: David Daney <david.daney@cavium.com>
Tested-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>

4 files changed, 15 insertions, 12 deletions

diff --git a/drivers/i2c/i2c-mux.c b/drivers/i2c/i2c-mux.c
index d7a4833be41..26ab31dd742 100644
--- a/drivers/i2c/i2c-mux.c
+++ b/drivers/i2c/i2c-mux.c
@@ -31,11 +31,11 @@ struct i2c_mux_priv {
         struct i2c_algorithm algo;
 
         struct i2c_adapter *parent;
-        void *mux_dev;  /* the mux chip/device */
+        void *mux_priv; /* the mux chip/device */
         u32  chan_id;   /* the channel id */
 
-        int (*select)(struct i2c_adapter *, void *mux_dev, u32 chan_id);
-        int (*deselect)(struct i2c_adapter *, void *mux_dev, u32 chan_id);
+        int (*select)(struct i2c_adapter *, void *mux_priv, u32 chan_id);
+        int (*deselect)(struct i2c_adapter *, void *mux_priv, u32 chan_id);
 };
 
 static int i2c_mux_master_xfer(struct i2c_adapter *adap,
@@ -47,11 +47,11 @@ static int i2c_mux_master_xfer(struct i2c_adapter *adap,
 
         /* Switch to the right mux port and perform the transfer. */
 
-        ret = priv->select(parent, priv->mux_dev, priv->chan_id);
+        ret = priv->select(parent, priv->mux_priv, priv->chan_id);
         if (ret >= 0)
                 ret = parent->algo->master_xfer(parent, msgs, num);
         if (priv->deselect)
-                priv->deselect(parent, priv->mux_dev, priv->chan_id);
+                priv->deselect(parent, priv->mux_priv, priv->chan_id);
 
         return ret;
 }
@@ -67,12 +67,12 @@ static int i2c_mux_smbus_xfer(struct i2c_adapter *adap,
 
         /* Select the right mux port and perform the transfer. */
 
-        ret = priv->select(parent, priv->mux_dev, priv->chan_id);
+        ret = priv->select(parent, priv->mux_priv, priv->chan_id);
         if (ret >= 0)
                 ret = parent->algo->smbus_xfer(parent, addr, flags,
                                         read_write, command, size, data);
         if (priv->deselect)
-                priv->deselect(parent, priv->mux_dev, priv->chan_id);
+                priv->deselect(parent, priv->mux_priv, priv->chan_id);
 
         return ret;
 }
@@ -87,7 +87,8 @@ static u32 i2c_mux_functionality(struct i2c_adapter *adap)
 }
 
 struct i2c_adapter *i2c_add_mux_adapter(struct i2c_adapter *parent,
-                                void *mux_dev, u32 force_nr, u32 chan_id,
+                                struct device *mux_dev,
+                                void *mux_priv, u32 force_nr, u32 chan_id,
                                 int (*select) (struct i2c_adapter *,
                                                void *, u32),
                                 int (*deselect) (struct i2c_adapter *,
@@ -102,7 +103,7 @@ struct i2c_adapter *i2c_add_mux_adapter(struct i2c_adapter *parent,
 
         /* Set up private adapter data */
         priv->parent = parent;
-        priv->mux_dev = mux_dev;
+        priv->mux_priv = mux_priv;
         priv->chan_id = chan_id;
         priv->select = select;
         priv->deselect = deselect;
diff --git a/drivers/i2c/muxes/gpio-i2cmux.c b/drivers/i2c/muxes/gpio-i2cmux.c
index e5fa695eb0f..fc5c1ef9b6e 100644
--- a/drivers/i2c/muxes/gpio-i2cmux.c
+++ b/drivers/i2c/muxes/gpio-i2cmux.c
@@ -105,7 +105,8 @@ static int __devinit gpiomux_probe(struct platform_device *pdev)
         for (i = 0; i < pdata->n_values; i++) {
                 u32 nr = pdata->base_nr ? (pdata->base_nr + i) : 0;
 
-                mux->adap[i] = i2c_add_mux_adapter(parent, mux, nr, i,
+                mux->adap[i] = i2c_add_mux_adapter(parent, &pdev->dev, mux,
+                                                   nr, i,
                                                    gpiomux_select, deselect);
                 if (!mux->adap[i]) {
                         ret = -ENODEV;
diff --git a/drivers/i2c/muxes/pca9541.c b/drivers/i2c/muxes/pca9541.c
index e0df9b6c66b..8aacde1516a 100644
--- a/drivers/i2c/muxes/pca9541.c
+++ b/drivers/i2c/muxes/pca9541.c
@@ -353,7 +353,8 @@ static int pca9541_probe(struct i2c_client *client,
         force = 0;
         if (pdata)
                 force = pdata->modes[0].adap_id;
-        data->mux_adap = i2c_add_mux_adapter(adap, client, force, 0,
+        data->mux_adap = i2c_add_mux_adapter(adap, &client->dev, client,
+                                             force, 0,
                                              pca9541_select_chan,
                                              pca9541_release_chan);
 
diff --git a/drivers/i2c/muxes/pca954x.c b/drivers/i2c/muxes/pca954x.c
index 0e37ef27aa1..f2dfe0d8fcc 100644
--- a/drivers/i2c/muxes/pca954x.c
+++ b/drivers/i2c/muxes/pca954x.c
@@ -226,7 +226,7 @@ static int pca954x_probe(struct i2c_client *client,
                 }
 
                 data->virt_adaps[num] =
-                        i2c_add_mux_adapter(adap, client,
+                        i2c_add_mux_adapter(adap, &client->dev, client,
                                 force, num, pca954x_select_chan,
                                 (pdata && pdata->modes[num].deselect_on_exit)
                                         ? pca954x_deselect_mux : NULL);