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>

diff --git a/drivers/i2c/i2c-mux.c b/drivers/i2c/i2c-mux.c
index d7a4833..26ab31d 100644 (file)
--- 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 e5fa695..fc5c1ef 100644 (file)
--- 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 e0df9b6..8aacde1 100644 (file)
--- 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 0e37ef2..f2dfe0d 100644 (file)
--- 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);

diff --git a/include/linux/i2c-mux.h b/include/linux/i2c-mux.h
index 747f0cd..c790838 100644 (file)
--- a/include/linux/i2c-mux.h
+++ b/include/linux/i2c-mux.h
@@ -34,7 +34,8 @@
  * mux control.
  */
 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 *mux_dev, u32 chan_id),
                                int (*deselect) (struct i2c_adapter *,